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Pioneer -- XR

1. TP1141 9 TP1131 A ci 1107 E 0015 01110 8 1 0047 047 8 1 142 1 3 TA 5 T6106 Es G 6 E Ames g al GERGEN 54128 EEEEEEER 1 q 89 ADIPI TP1140 TP1274O Q EFMMON 90000001 i AGC 55 BUS 52 2 AVCC lt i EFMO I ADIPO 59 um EFMO 122 Germ AOUT IN 955 1 DIFF AOUT IN eg ER 8 sw B EOUT IN EOUT IN EIN 9
2. 1 1211 TTG MD MECHANISM SWITCH ASSY 100K gl Q9 insert circuit SW 1952 DIRECT ON OFF 5 2 8 SW 1953 LEAD IN ON OFF 275 EE 1210 E See SW 1954 PLAYBACK ON OFF SW 1955 RECORDING ON OFF 1216 1 S SW 1956 LOADING ON OFF DADATA 43 RC120 ADDATA 220 DFCK 1 BCLK 01207 LRCK T 1 220 IN AL 1202 NBI 1 1 1201 S ATIS Rigo Re JD 1837648 La Cooo1 Aw ENCODE DECODE ATRAC oeh EST2 pee AND GATE CDBCLK g AND GATE 74 08 5 CDLRCK amp 101906 TP1911 81927 CN1904 SORE a TC7STOBF 22 DOUTO TP1
3. CAUTION FOR CONTINUED PROTECTION AGAINST 3 3 RISK OF FIRE REPLACE ONLY WITH SAME 4913 15 MFD BY LITTELFUSE INK AF ASSY FOR IC41 AEK7016 KU CXJ TYPE XWZ21 72 CAUTION FOR CONTINUED PROTECTION AGAINST CAUTION FOR CONTINUED PROTECTION AGAINST 5 RISK OF FIRE REPLACE ONLY WITH SAME RISK OF FIRE REPLACE ONLY WITH SAME DBDXJ TYPE XWZ231 81 TYPE NO 4911 25 MFD BY LITTELFUSE INK TYPE NO 491004 MFD BY LITTELFUSE INK 71 7010 FOR IC21 IC22 AEK7053 CAUTION FOR CONTINUED PROTECTION AGAINST CAUTION FOR CONTINUED PROTECTION AGAINST VM 12 RISK OF FIRE REPLACE ONLY WITH SAME RISK OF FIRE REPLACE ONLY WITH SAME A TYPE NO 491003 MFD BY LITTELFUSE INK TYPE NO 491005 MFD BY LITTELFUSE INK FOR IC31 AEK7015 FOR IC11 AND 12 AEK7019 3331 15551 YE 133 n5 q 1 e
4. XR A550MD 5 E 9 x u baw lt GEO NFA 004418 988 3 5102 a 5 6 6 Sitt z 849 9 9 09 9 5 09 9 9 O 9 9 CN5501 5 52045 5845 V 12V x lt im E lt 0 Qu N gt 2 2 2 0 roo lt DAOS S 20455200 9954 52840 0 lt e 2 2 gt 2 gt 2 S 100 0 4 3 5 9 0 21910100 09 919 919 919 91919 6 a S 5704 8 a 2 STE 5 l R2915 52045 1145 MAIN i v9 5 CN2901 VD 5V DISC 123 INDICATOR veg s ned 5 4 45 D D i 559 soL 1 LED 2 t 2_1 et LED 1 5601 lt 856022 R5593 lt 220 2283 x 22013 0 PULSE1 5 82907 NE x 82 Fr Tk
5. 5 P 6 E 7 8 XR A550MD BA4558F HT 12101 7 125 41 16 Vref ALC 77 x 2101 2 ayy 92104 5 25 2412 8 DTC124EK SC DOLPB XREC t 8 5 e 02103 0 5 DTC143EK Loses 5 7dbV Sr DTC124EK 4 2 C2215 82219 Ss odev TP N29 22 50 3 9k 2 g 55 PBL amp 2 02201 So em Bp 4 4 ss E SS t PBR 2205 Ss 02202 Ss gt gt 22 5 Ne lt 2201 99 C2214 82218 At 7 e ms 2502114 22 50 5 9 82213 RTF1209 1k 632131 0 BS REC RA RECL AF e lt zl v EE IST 1 22k 2215 2 2 50 5 0 5 BiLe 11 92201 E 5 12 gdBv 125 L PB 0 0 5V NITIS 25 2412 LM REC F2201 ETS 2 5 12V o 2 187 RES AlS 1 22 1 R2207 g 1k k 9 4 ES HA12136AF S 5 L NR OFF 0 0 5V Q 15 H NR 2 5 12V S E 5 5 5 RIS lt Q2202 KS F2202 5 F 25C2412K amp
6. LD DRIVER V 5 CD 1 R8101 A D T m E E CEDE CI LM D CE D CC 2 veer Sho ge m lt lt 19 gt gt ki Eb cee PEU TG 5 E EIN 5855 YREF a xo E lt lt lt lt 19 85 5 Ta olo N N Ofer SS 559 zs ec als 575 818 Eeke gt M sS aono VREF ajajaja 5 m m GNDD CD 49 me vi 5 gt Qoi E a in 0 jw lt Jud gt TE o gt a x 5 2 6 1 58 5 7 5554552515049 gt 1 21 NC PA gt 86 gt cM gt gt 5 1 DA gt E 4 DGND 45A 8109 HTB SLI 0 22 50 _ 88105 28104 SLC 110 100k YB 25V 6 2k te LA92471ML prrs 330p ve Eu 8106 R8107 C8113 tb 5 460 d 053 2 1 8101 121313 111 68k 2 2k dsci 40 4 0 01515 Cg112 YB 16V vB 2 15 12 RF SERVO CV 834 C8115 11 SLOF 4 Os 3300p 42 TD HFL
7. 5 6 E 7 8 XR A550MD 44 CD Eq 2 2 gt CD AUDIO SIGNAL ROUTE SPINDLE MOTOR ROUTE GOQNOH FOCUS SERVO LOOP LINE aO CARRI AGE MOTOR ROUTE Note The encircled TRACKING SERVO LOOP LINE tA LOADING MOTOR ROUTE denote measuring point in the ro schematic diagram V S CD CN8005 Pin 1 N 1 ele e PLAY RF ASSEN H 500nsec div M 4 wo E 86 c el ol MA R 6 A Ko QU 850 5 Se SENA 5 88 H 8 9 Lut Lo 5 m o sno goe D aa 8 o 515 0 lolo rr Or lz al xx zm lt 8 en i UI oe 5 alojo x amp CN8005 Pin 2 og 416562 5 4552 51150 9 5 8 5 Om wee EFLG 48 JEST n zu 5 5 E Tracking 4 PDO 55 3 YB 9 E 1 5msec div SS D 528571 fe 4 85 C78622NE XN eom amp Beee ze O49 GNDD CD ISET xouT 44 2 o
8. 1 2 3 m 4 XR A550MD 3 8 AF ASSY 2 3 cnso04 212 2 L JO OAZSuHnneYMSsS lt gt Of Oo k 43 3 220000 5 2014100003202020 5 5 CD CN1 054 58 8 g amp amp 9 C 9 GNDM CD 9 7 5 CN4102 we 3 IL 10 BENED 2 15002 CD JA1652 A 8 225298 Els is 5 E A s SS 25 1243 d e A 854 1248 6VDC 5 979 R3015 Ragoo 1 20Hz l4kHz 25 5 1 4 7k 5 25 5027 30351 BD o Ned 2S D d 6 535 6800 26 cab 58 LE 17 88 030131 gT T BI T Bag 8 1 JA3001 25005 e Ea VKB1060 PB ET gt Lch 22 Bibel 258 223280 AUX 12 m Sea Bee a 11122132148 253984 f tore ae Il emt Rn 7 Ke 5 C3039 R 0 45935 gt D TN H Veet 2 2 5 371 1C300T SEA 175394 a 8 NED Vret cgp91 j EU T CD n 2 D 5 212450 PB 6 Wo 8122 5 5 ver uud vut
9. MD_VD Regulator GNDM eH R4013 12 4 1 5 T 77 1 D STBY GNDM GNDA S 5 VOLTAGE CONTROLED BUFFER 8 GNDA MD_VD G 5VDC PB REC 6 5VDC Loading Unloading GNDM vb 65 GNDM O anom 6VDC 3 xe 5 5 TESTA S vo sus assy 2 C amid KUCXJ TYPE XWZ3179 abu DBDXJ TYPE XWZ3188 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 4911 25 MFD BY LITTELFUSE INK FOR 1 4002 AEK7010 FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491 125 MFD BY LITTELFUSE INK FOR 1C4003 7020 J 51048 03500 4 XR A550MD 4001 20 0315 AC1 AC2 CHA 31 1 XR A550MD 3 7 AF ASSY 1 3 82555 RECMUTE 0 BCR ACR
10. 1000 25 R83 1k 556880 8 084 1 ot 8 ATT 7 27 220k Se ee ee ee D85 088 089 090 155133 155254 1 PRIMARY assy TYPE XWZ3175 DBDXJ XWZ3184 XDX3 03 GRAY ACG7020 ee vilA ep ee Ae Y2 1 5004 BLACK NOTE FOR FUSE REPLACEMENT 8 XR A550MD CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY 120V 240V zn 52 7004 17 ONLY 120 gt 2200 Ee FU1 A KUCXJ ken e be 52 SELECTOR DBDXJ TYPE ONLY d rk SUB TRANS assy TYPE XWZ3176 DBDXJ XWZ3185 0 Was A REK 1082 4A L1 DBDXJ T nm EK 1059 T3 15Af o LOO T Amo LIVE sg D H102 NEUTRAL E W331 KUCXJ TYPE mm 151 As i KP 7032 gt 2 5 IDBDXJ TYPE d 1046 2 KUCXJI 1 1 ONLY bau POWER CORD KUCXJ TYPE ADG7022 DBDXJ TYPE ADG1158 1 XR A550MD 3 11 DISPLAY ASSY 55911 DISPLAY 5592
11. 5555650555556 884258225288 503558 99 ES 9 Q oo KD 0 9 gt 9 CN3331 0 9 gt e KE i o E DECK R 9 E Ka PBL D gt e DECK L y B 2 REC L MIC i S GND 4 9 9 REc R 8 Q 5 van BIO ALC 8 B DI d 1 we Le E REGULATOR Ol test 2 O DIGITAL Ol 1 amp 8 8 5 GNoM 0 4 ih MD SUB ASSY te 2001 MD MAIN ASSY KUCXJ TYPE XWZ3179 KUCXJ TYPE XWZ3177 lis DBDXJ XWZ3188 GADA D BDXJ XWZ31 86 D20PYY0425E 85 De AS 0 XDE3024 DC FAN MOTOR SUB TRANS ASSY AXM7003 KUCXJ TYPE XWZ3176 DBDXJ TYPE XWZ3185 NEUTRAL FE rum LIVE C AC POWER CORD KUCXJ ADG7022 DBDXJ TYPE ADG1158 5 6 7 MD LED ASSY KUCXJ TYPE XWZ3180 DBDXJ TYPE XWZ3189 MD MECHANISM ASSY AXA7054 Dous MAIN Assy 1246840167 MECHANISM SWITCH ASSY 1245210149 DOWN BACK UP LOAD IN RESET MD ST DSCK SERCH KDATA MDDATA DSTB DGND DGND DGND DVDD DVDD DVDD
12. SW1953 cn1601 dd 81904 s S v 5 1954 Magnetic 777 515 SW1955 i REC MD Pickup Product RA SW1956 SW1952 Loading Flexible E Direct Board Li CN1101 wp pee gt B CN1252 4 XR A550MD 4 2 FM AM TUNER MODULE 4 CN3051 TUNER MODULE 5 7159 8 MG 14 08 ger 1 BROWN CO 6505 41 175218 16805 SII rw A o GC POP 9990 2298 213 19 2 94292 NI Ox070 TEZ OO C6227 66262 625 6 VR6201 Q6204 Q6203 od 2 8 9 00503 06502 86582 C6e48 81992 z ch 8 86504 522025 othe 909898 ES B 8651 120595 065052 P 0 3 26202 52 p SS 0950586505 dc m cesi 62208 S D RO31810695 OT 8904 cogo 6539 C6837R6918 _ 8 JI 310H EN 56905 86519 R6912 gt 88524 19621 8 c6278 SCH 86405 21795 jee 2 mcs zreguz 8 U S92070XU8 U 2920Z70XU Hu 19207
13. 1 ES o o E ON I xo o c o a 1 x So a i S 77 77 ko GND GND GND GND Ld i MAIN 3 OSC i i Ma o o 9 38 ZU HE o S 1 96403 445 Tis 2 3 1T378A Taxe S A 1 26402 Zo GC saa 1 9 SP m 8 51 coy a Q 1 C6415 reais 85188 E 2 Be SE E 128 CE419 ATK 3 lt R6416 3 SES EJS ZER Sg HH MSE ok 3 3 3 9 5P EZTA R6222 285 25 302 8 va ei 0 69 BUFFER 220 RAS Rei 24 RF vm AGc me20i osc 83 56 iB 107 FM t 4 26204 FM 15K 8 112 E GND 5 4 DG F6203 Zi E Ao R6252 ATF 119 R6219 CT 2 2 4479 1 gt aks 5 20 77 8 18 06214 5 amp 5 2sc2714 TLB d IF 1 VD a GND 1 96204 DTA124ES T B SW 4 C6205 Q6205 DTC124EK TLB 0 SES AM AM 879 d GND M AM 77 GND R6907 TGND MW P BN6202 AM zB AKE 7025 AWG gt ot 0 LS R6918 e ES rio MI m 1 ER 8 9 AM 1 4 GND 81 5 4 8 S TU 5 825 2 16209 6203 4 7K 6042 op E GND GND z SS 77 GND an 3 TGND GND oN 59 amp
14. display SPG SPG in SPG mid SPG out SP 1 SP 2 SP3 SP4 SP5 S PDLIM Item display TG TF1 TF2 SVCNT4 TRBLVo TRBLVt TRKLVo TRKLVt TDPWo TDPWt SLCTo SLCTt SLCTm TCRSCIP COTLVP COTLVr WAITm Slide Settings 3 Press the MENU button 7 times EEPROM SET Item display 4 Press the lt gt button once Focus SLG 5 Press the MENU button 4 times Temp SL2 6 Press the lt P button TEMP OO SLDLIM OO Measured value Set value 7 Set the temperature set value to the value determined above using gt 2 444 buttons 8 Press the lt P button ___ ____ 90 SLDLEV SLKLVk SLKLVt SLKLVm LALSG GALSG HALSOFS LALSOFS GALSOFS OO EEPROM Setting Mode Transition Diagram tsm eOO y MENU x7 Test Mode STOP status XR A55 OMD
15. GC 12222200901 25524 7 EN SONS b lt SE P IMS 262222222 n NN T T e T e A OW pL Pe ds 85 71 as SS XNP3020 B 1 XR A550MD Q2903 Q2908 1 5501 02901 02907 05605 02910 8 XR A550MD 9 05 9 9 1 1 9 1 oN 5 4 3 8 2 5 20 3 5 2 4 2574 95695 a m 56 7o _ R3 5 Sy 24 2 gt X 60655 0 ig DO 2 941 u E Do 5 9995 XNP3020 B 5501 05502 05501 95601 05604 05503 02910 5801 Q5821 Q5606 3901 XR A550MD 5 PCB PARTS LIST NOTES eParts marked by NSP and can not be supplied The A mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation When ordering resistors first convert resistance values into code form as shown in the following examples Ex 1 When there are 2 effective digits any digit apart from 0 such as 560 ohm and 47k ohm tolerance is shown by J 5 and 10 560 Q SXI gt C D5Olusesnssnseeeumaananned RDI 4PU 1511611117 47k gt 47 10 di RDI 4
16. f ge eil oi ail H D 19 96 e W e ij E AI 1010 5 222 1 TOENI 0220 o SSN V5 Mie 2 1065 0 AEE 8229 CH A S O 5 2 82M Q52 Q51 XNP3019 B VR2303 VR2305 VR2304 VR2306 IC2301 VR2302 VR2301 VR2802 VR2801 103301 01 Q3351 aan 1 XR A550MD XNP3019 B 105891 Q53 1 2101 105892 02301 02204 2203 02802 02306 02105 03603 02302 102201 Q3605 Q3608 Q3601 03314 03313 Q3312 Q331 3001 5 6 7 Ei 8 XR A550MD A n m S ck Ke 018 D 5 z 18514 8 pucr rit IA Suter MEC CNDA B C 22101 02102 02201 02202 05751 05752 IC5751 1 5691 1C3001 02805 2807 03653 03651 03312 03311 03353 03354 03351 03252 1 42 IC51 IC32 1 XR A550MD 4 9 PRIMARY and SUB TRANS ASSEMBLIES I PRIMARY ASSY 28 Ha ee AAA W305 lt ize 5890 15 W307 KUC J gt J NV To FUS he DB OL 5 5 d E OI 3 LL W317 0 9 o o 108 6 5 15180 lo Gz v
17. 8 18 8 8 3 8 8 8 8 MAIN VOL MORPHING JOG POWER REW FF STOP PLAY DOLBY MD CD PAUSE NR FREQ TAPE STOP TEST 5 5 R9999 5928 ANA mw S 1 12 15 18 27 550 560 820 1 8k 0 M 05561 R5846 R5929 85942 85850 R5931 5952 5955 5954 R5935 R5936 1k o L An A 8 As DE DS 08 08 d TE rs o 5 o D 5 8 5 18 8 15 8 8 8 8 8 3 3 l AUX MD TAPE TX CD DISC1 DISC2 DISC3 DISC CHANGE CLOSE GNDD D5551 D5554 47k 155181 85558 7077 VD 5V 5 6 7 8 1 XR A550MD 4 PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS 1 Part numbers in PCB diagrams match those in the schematic 3 The parts mounted on this PCB include all necessary parts for diagrams several destinations 2 A comparison between the main parts of PCB and schematic For further information for respective destinations be sure to diagrams is shown below check with the schematic diagram Symbol In Symbol In Schematic part Name 4 View point of PCB diagrams Diagrams Diagrams Connector Capacitor Transistor Transistor with resistor 9 Field effect P C Board Chip Part SIDE B 3 terminal regulator 4 1 PWB B MD MECHANISM SWITCH ASSY F PWB B MD MECHANISM SWITCH ASSY
18. EEPROM SET EEPROM Setting Menu EJECT status gt __ ___ Focus _ _ gt MENU y MENUx2 MENUx3 MENUx4 MENU X5 y DISP Spindle_ Tracking Sled Temp Control__ Y lt gt y 4 y gt 1 4 Y 5 ____ e m SLG 4 11 X MD MENU MD MD REC MENU y MD REC MENU y FF1 44 SPG in ty Ay SL2 44 CONTRL2 94 MENUY MD REG MENU REC MENU MENU __ REC 2_____4 SPG_ mid 44 TF2 44 SLDLIM z SPKLEVm 44 MENU REG MENU REC MENU MD REC MENU y MD REC MENU FZCLEV SPG out SVCNY4 SLDLEV ADJTTM __ 9 MENU MENU MD MENU MD REG MENU MD MENU Y MDREC FOKLEVn aal SP1 e 09 9 HDEQAD 9 MENU MD REC MENU MD MENUy MD REC MENU y MD MENU FOKLEVf 44 SP2 44 TRBLVt 99 SLKLVt 44 LDEQAD ee MENUY MD REC MENU MD MENU MD REC MENU y MD REC MENU MDREC FOKLPFn 9 5 ee TRKLVo SLKLVm 9 GDEQAD 9 MENU MD RE MENU MD REC MENUy MD MENU MDREC FOKLPFf SP4 TRKLVt HDEQBC__ MENU MENU MD MENUy MD REC MENU MD REC ___ _____ TDPWo 44 LDEQBC
19. i 0 000 EN i i Lac pi i CH2 0 000 i CH3 i 0 000V CH4 CH1 2V CH2 2V 5usidi DC 10 1 DC 10 1 E 0 000V Record Len Main 5K Zoom 50 P Detay me 0 000 000 00s m apen Bee e M MIN Trigger NORMAL EDGE 26 e VOUTL VOUTR Stopped PLAY NORM 100M S s 1997 08 04 11 23 12 CHi 5V_ CH2 5V CHa 52V 2us div Ps Filter DC 10 1 DC 10 1 DC 10 1 SMOOTH OFF i BW FULL Stopped spem i Ps Offset CH1 0 000V CH2 0 000V CH3 0 000V CH4 0 000V Record Len Main 2K Zoom 20 p Detay 0 000 000 00s Hold Off i B 9 Trigger NORMAL EDGE PLAY NORM 100M S s 1997 08 04 10 35 14 1 2V CH2 2V jj Pm Filter e DC 10 1 DC 101 500nsidiv SMOOTH OFF BW FULL p Offset CH1 0 000V 0 000V 0 000 CH4 0 000V Record Len e Main 500 Zoom 10 Detay 0 000 000 000s 27 P Hold Off MIN Ps Trigger NORMAL EDGE CH1 DIGITAL REC Stopped 100M 5 5 1997 08 04 16 59 39 Ps Filter r SMOOTH OFF BW FULL P Offset CH1 0 000V CH2 0 000V CH3 0 000V CH4 0 000V Record Len e Main 500 Zoom 50 pm Detay 0 000 000 000s FE MIN Ps Trigger NORMAL EDGE CH1
20. SS D4505 04506 STBY 270 2 04504 3 NSPBF50S 8451 E 5 MD LED ASSY MTZ5 bI 3 4 8 cN4504 1 2 3 STBY 3W 04008 ROUGH LOCK Regulator 04011 rn AEK7010 T 68401 53505 A 19202 T e 04010 04001 1 25 2260728 556880 556880 2502912 ej 4 gt ENS 84086420 SSDI rk 298 228 d g Le Se R4019 m 31206 559 spe GNDM 8 2 2W R4018 C4002 04002 180 1W eye 2 3B 515 supplied voltage R4007 STBY 3W to keep TOC Information when AC Power 15 cut off A C4001 77 04009 22000716 7020 GNDM 2582585 R4033 7078 104005 MD VA Regulator 1 GNDM 1 R4034 1258 Ss Liss 94006 1 1 4W REFERENCE VOLTAGE BUFFER 8 5 2502595 R4023 e e Elo 1 1 4W 1C4001 2 2 221 42 R4025 04019 STIS m 815 04005 1 1 4W 47 16 X Tis S S 22 2502585 R4024 9218 8 24620 C T 1 5 15 04006 04007 04016 AS e GNDM 5 55688 559088 556888 688 1 174W 555 5 55895 sae ey lt 104881 1 2 Eo mg CIL E 8 pen B NJM2904M 5 d 85 R4011 5 SIS 35 04004 sch B g 25 2412 595 gt Sie
21. 5 VREF3 2V 81401 iK 889 HINF TP1405 Se 81423 ERR Am R1426 Z EM 11251 EST 47uH ges 92 8 ue A 1122 e 962696 269696363636 ges 1 g z 2 Q 118 Ermo 771260 2 21410 52 888 04055232 t T EE uu Bgaaaccocog amp s RECHEAD 578 DIGCD 3 250250 5 4 E 3 LOVAR sexa 98 1252 90902000096 81406 avus 9 25 2909 55 01252 1 ko 5 0209 Re 6 LOAD IN DAPON S 58 T R1420 8 91254 E 1K 7 ERROR ADPON E Sin 25 1473 Ox 3 18 G 5 cNvss LDON DON 9 STID OUT PCNT1 2 1253 8 SG SEACH OUT 4 4 lo zn RESET RESET 5 EE 1 11401 4 SE a vss 0232 L3CLK Fan Pei Trl 8 8 Wees L9MODE LEAD IN SE IS 6 MD SYSTEM LEAD IN 1605 LEAD IN 2 SEDIT voc Leen H EES HINF TP1604 BINE 881 SET i MICRO COMPUTER D 6 GND Ee DINT DINT DILECT Loanne 12 LOADING 1602 LOADING 4 4 LOADIN DSENSE 5 bsENsE MNE MINF TP1601 MINE STD Er 31952 I iz SERCH 8 1421 I Lc C1412 EE taz T TP1616 142 1 SERCH LEADIN 8 MDRSW rp ST e 3193 T oL VARL P SW 8 28 mi P DOWN Sa t PLAYBACK t mm 33K 9 85 o CS i up
22. o OJ OJ Riek 1 r8 2 N 5 hi yae 9 S1 0v32 519 svo 6 8 amp R o A Bie 97290 az c p RZ 0 0 4299 oy 65298 E 111 0 SER Tas S 5 8h 55292 219 0 6 L en 5 To 1862 i lt 288 ng N 20 7 x 100 ajn 1 214 81020 E S BARD HH 86 RP el 08292 8292 P o bes m um d r uo Bi ANA 689 amp Olai m 7325 m gt 841 WES LYT 5232929 102921 Quo RINK A Nm Di o mm E an 8 MoN nj Wa cL aoa A K 09 1 Vio 12785 Spjyo a arowana 4102 8 22020 2 990 SSY et L R2 Q 01717 o H 2029 130 WB Uy 90292 9 2 5 82299 PASTLLNOLAG 1 1070 N x14 61290 a9 7 12299 Sum wn m 23 als SN 8 453 81299 oje REALE NN 2 a 7242 o5 IZIN 3H NI 6 ad 1070 S gt 9 Ae 22 23 1 2 85292 ER 250 no ae SLZ9D 2090 an me WW 25 9 1 8 4 RZ Bo a OS W4 NI 4104 rra amp 202 Sie FM os PI 2 3 4 9 02290 285 ES A H NIAI MAL OE Lov R 4 24
23. 1 E st 2 2 1 2 3 4 CN4504 2 KM2 01B9 MD_VA TEST MD or DECK PB SIGNAL ROUTE O TEST2 MD A MD PB SIGNAL ROUTE 2 TEST1 MD REC SIGNAL ROUTE 8 6 5 5 PB DECK PB SIGNAL ROUTE ree CN4001 52045 1345 2 D vo s 8 e HO S REQ GNDA 5 Zu EX Ee e __ HO S DATA R4552 R4553 7 2 3 3 3 3 1 9 GNDD HD _ 1 42 JOG 2 43 DETECT VA 12 INPUT BUFFER 0077 164202 1 2 NJM4558MD 15489 164201 172 ae R4223 C4231 C4201 NUM4558MD C4205 R4215 C4209 35 g E lt e DY _ 4 15K 2 2 50 5 12 59 2 7 10750 1 my gt 04 ad ode a 2 Sax 239 8
24. BS CS 5150 WE bes 2 327 00 01 A _ X90918 gt 8 1 PRIMARY ASSY TA ke DA 5183 XNP3020 B T1 POWER TRANSFORMER 71508 TRANS ASSY CH 15 VO d c chat RY81 i O8 1 o Loz 4754 Ov SUB TRANS ASSY DD Di D 505 i se Te oi 3 Ce IJ U 27 5 SE u r XNP3020 B AC IN 081 1082 1081 4 XR A550MD fp 1 7 Ze ISZAXLI 7 SA NN XNP3020 B 1 25148 L XWZ35176 XWZ5185 B RISK OF FIRE REPLRCE FUSE AS MARKED SHOR XNP3020 B 1 XR A550MD 2 3 4 4 10 DISPLAY ASSY CN4505 e DISPLAY ASSY lt 056 257 di TO 0561 5 6 7 8 XR A550MD TOUSSOING 4MOGGGOOG 0900909 R55 77 gt 2 59 A
25. L IN AA GND R IN AD GND LOUT GND ROUT DIG OUT DGND DGND DIG IN r ooog 999999ooooooooooo9o00990F l 17 1 XR A550MD 3 2 FM AM TUNER MODULE 1 FE 2GANGED MIX AMP RF AMP 25C2223 TLB e UE OUT z zssk194 TLB RE FM 96402 0 96401 E 12 15 5 P Ju 9 5 ENS ow EO IW i Sm md gt 1591 s 895 Sea Si ro zi 1 18 M s GR D Lt ee 3 4141 gt e or SE 5 ao o co ERR 815 5 1 som de ir K
26. Press the lt P button Initial setting gt Temperature Setting Mode TMP AA Press the MENU button Offset 0 setting Signal A offset temporary measurement HAo AAA _ Press the MENU button Signal B offset temporary measurement Press the MENU button Signal E offset temporary measurement HEo AAA _ Press the MENU button Signal F offset temporary measurement 1 HBo 1 1 Press the MENU button Offset temporary measurement Laser Press the MENU button Innermost track move RF side FG rough adjustment Press the MENU button Focus ATT signal A temporary setting AAAOOO Press the MENU button Focus ATT signal B temporary setting AAAOOO Press the MENU button RF side pit TG adjustment 9 Press the MENU button Pit COUT level setting OO Press the MENU button Outer track move RF side groove TG adjustment __ Press the MENU button Groove COUT level setting OO Press the MENU button RF side TCRS adjustment 09 Press the MENU button Tracking ATT signal E setting AAAOOO Press the MENU button Tracking ATT signal F setting AAOOO Press the MENU button Tracking EFMIO measurement display Press the MENU button RF side pit FG adjustment AAA 9 Press the MENU
27. Press the MENU button Measured value display LBO OOO Press the MENU button Measured value display LEO OOO Press the MENU button Measured value display Press the MENU button Measured value display 1 OO Press the MENU button Adjustment error sequence No display YOB Press the MENU button Adjustment status display DIF 11 Press the MENU button Preliminary adjustment Not yet completed 00 Completed 4B display ADJ OO Press the STOP button RESULT Preliminary Menu status 5 YOBI Measured value Adjusted value Other data If the MD REC STOP button is pressed operation moves in reverse direction If the gt gt button is pressed while a set value is being displayed the set value will increase and the new set value will be stored in RAM If the lt lt button is pressed while a set value is being displayed the set value will decrease and the new set value will be stored in RAM If the gt 44 buttons are pressed and held down data will change continuously in 100ms cycles Digits increased decreased with the gt gt 44 buttons be moved with the DELETE button 4 RESULT Mode This Adjustment Setting Method Remarks Display Test mode STOP state Press the MENU button 4 times RESULT Menu RESULT Press the l
28. gt Check CN1604 and IC1601 NO YES Go to CHECKING BY TEST MODE The system does not playback only high reflection discs pe Is Pin 93 of IC1401 set to 1 02V 0 3V in Test mode with high reflection disc inserted NO YES Go to NORMAL PLAYBACK after readjustment The system does not play back only low reflection discs Is Pin 93 of IC1401 set 2 06V 0 3V recording possible 3 2V 0 3V recording prohibit with low reflection disc inserted YES NO Check SW1951 SW1952 MD MECHA SW Assy and CN1601 105 XR A550MD Normal playback It is confirmed that EEPROM value is correct in Test mode Does the system perform initialization correctly when playing back high reflection disc YES gt gt Does indication of playback time advance NO d Check IC1201 Does the disc rotate correctly NO YES Does the read in switch turn ON in the most inner circumference of pickup in Test mode Is Pin 6 of 21401 at L level D Check SW1953 the soldered portion of the MD MECHA SW Assy and portion around Pin 1 of CN1601 Does the system try to repeatedly read TOC when low reflection disc is played back NO T Unused new discs have no TOC recorded Replace with a recorded low reflection disc Use a high reflection disc to confirm the position o
29. CH1 CH1 500mV CH2 500mV AC 10 1 AG 10 1 500us div CH2 Sch 0 000V Record Main 10K Zoom 100 p Detay 0 000 000s Ps Hold Off MIN Ps Trigger NORMAL EDGE CH1 Stopped ME SOM SS 1997 08 04 11 56 15 CH1 1V CH2 2V 20us div Filter DC 10 1 DC 10 1 SMOOTH OFF BW FULL ANS a P Offset mm ADLPFO i i 0 000V vs CH2 0 000V CH3 0 000V CH4 0 000V Record Len Main 10K Zoom 100 Ps Detay 0 000 000 05 Hold Off MIN Ps Trigger NORMAL EDGE CH1 GROOVE PLAY 1997 08 04 11 55 38 20us div Stopped NORM 50M S s Ps Eiter me SMOOTH OFF A BW FULL Offset CH1 0 000V CH2 0 000V CH3 0 000V CH4 0 000V Record Len Main 10K Zoom 100 Detay 0 000 000 0s PS Hold Off MIN Trigger CH1 1V CH2 2V DC 10 1 DC 10 NORMAL CH1 1217 TOTMON 1212 TCRS XR A550MD PIT PLAY Stopped GER MS 1997 08 04 13 35 24 ess riter el SMOOTH OFF BW FULL Offset CH1 0 000V CH2 0 000V CH4 0 000V PS Record Len Main 10K Zoom 100 Ps Detay 0 000 005 PS Hold Off MIN P Trigger AUTO EDGE CH2 Y CH1 2V 2V CH3 200 CH4 5V 1ms di DC 10 1 AC DC
30. t EEPROM protect data version from 01 Microcomputer ROM version from 01 Model code When this is displayed it is called Test Mode Stop status In Test Mode Stop status and EJECT status e Operation will switch to the mechanism forced EJECT direction while gt button is pressed e Operation will switch to the mechanism forced LOAD direction while lt lt button is pressed In each Menu status e The mechanism slide outer track feed will operate while the S M JOG key is turned clockwise e The mechanism slide inner track feed will operate while the S M JOG key is turned counterclockwise To move according to the adjusted value set in Test Mode Press the PRESET key in Test Mode Stop status The adjusted value will be written to EEPROM and the AUTO Adjustment Disabled Mode will be engaged Notes e Canceling the AUTO Adjustment Disabled Mode will stop the power supply If a receiver is connected disconnect the receiver power cord e When a setting is changed in Test Mode and the unit is moved according to that setting the mechanism may not operate if the set value is faulty When changing a set value therefore make a note of the original value e In Test Mode the companion may be not only the SX R9 but also the power jig When the TEST2 terminal has been shorted without a bus being received even once after RESET the bus data will be ignored and POWER ON status determined and the unit will operate independently e When
31. 108 XR A550MD 7 3 BLOCK DIAGRAM MD SECTION NI NMOGd 60060060660060 YALYAANOO oianv v a ASC S 62 7 9 9 GANIGWOO YOLOW Olanv gt HALYAANOO QN E06 109121 YOLOW m 1 3 AGE 9961 6 3OV 1OA m gt MS ONIGVOT SS6LMS E MS vS6LMS _ MS 961 5 e 7 MS Ou gt ns2 s S2 5 9 zS61MS HOLVNLOV MS 2910 3000 HOLINOW u3lndWOOOHOIN PR vid IN31SAS GW JYN IS 48 lt gt TVN9IS 8 5 4 3 A EC ONIMOVEL auc 0904 3 LOC LOI 1 DOVHLV HOLON 151 VE 2219 NOISS3ddNOO 1 8 K ONIGHOOSY 19210 2 118898 10211 HOLVTIIDSO 109 XR
32. 5530 CKSQYB222K50 C5509 C5951 C5954 CKSQYB471K50 C5506 C5508 CKSQYB472K50 C5634 C5901 CKSQYF104Z50 C5625 CKSQYF224Z25 05503 5504 05813 05822 CKSQYF473Z50 RESISTORS R5529 4700 7056 R5554 R5562 1 5kQ ACN7062 R5558 R5564 47kQ ACN7077 R5508 RA11T104J R5506 RA7T104J R2902 R2907 R2910 R5919 RD1 4PU102J R5914 RD1 4PU151J R5915 RD1 4PU181J R5916 RD1 4PU271J R5925 RD1 4PUS331J R5612 R5613 R5926 RD1 4PU561J R5927 RD1 4PU821J R5702 RS1 8S223J Other Resistors RS1 10S 5 5501 CERAMIC RESONATOR 551050 6 2901 11 FFC CONNECTOR 52045 1145 CN5502 13P FFC CONNECTOR 52045 1345 CN5501 38P FFC CONNECTOR 52045 3845 5901 REMOTE RECEIVER UNIT GP1U28X 5631 FL HOLDER VNF1096 V5621 FL TUBE XAV3007 XR A550MD 69 XR A550MD 6 ADJUSTMENT 6 1 TUNER SECTION Tuner Section Set the mode selector to FM BAND 9 Connect the wiring as shown in Fig 1 FM SG 1kHz 75kHz dev Reception Adjustment Adjustment Title Frequency Level Frequency ocation Specifications MHz Display Front End L6402 Adjust so that the DC voltage between the 6201 Sensitivity T6401 pin 20 and GND becomes at maximum level TUNED IND Adjust so that the indicator of TUNED IND starts Lighting Level m M sch to light up Note Before adjusting make sure there is no gap between L6401 and L6402 If there is a gap between them bring them into contact with each other first and the
33. CHASSIS DECK RI o 9 OO 4 33 ASSY KUCXJ XWZ3172 DBDXJ TYPE XWZ3181 POWER PACK LEVEL ADJ CN5102 FM AM TUNER MODULE AXQ7065 CN6201 9 15 AS XL A Lal u xL VIVOXL viva 32 CN3051 2001814 0 E 9 99 90600000 E 418 lt 9 9 arco crizs zava I rovia 169 L el 5 5 T NA NN dc G gt NN e 00 2 2 gt zioan 9 0 ao d Yoo WO Foo gt gt 5 AO lt gt 22 8 lt Sa 5 gt gt e 5 C OLS MA 82065 IN Ki m 0808SJX 3dAL YAWYOSSNVYL LL rm rm m rm rm
34. GNDA 5 5 CN3001 GNDD Gre R m d vois S s 4m Ps L e 5 GI RE 4 55885 B loeck L B cn3002 S _ gt L 2 38 251555 8 5 5 5 g 5529 el EE 8 REC 5 9 8 d weer 4094 412v 8 E B4B PH K S 3 8 SH Kai ge 126145 GND BIAS 4 _______ gt 7711 W273 293 588 SES m Qa 20 lt 3 881 5 2 3 AF ASSY a lo Zax JU EE KUCXJ XWZ3172 0788 DBDXJ TYPE XWZ3181 K 2 3 35 5 6 7 8 1 XR A550MD 3 9 AF 3 3 and SECONDARY ASSEMBLIES my PB AUDIO SIGNAL ROUTE STK407 0508 Gover AME 1 55 1 EESS 888 8872222225 lia ae rn A S8 1112 514151617 8 91 011121515 R3523 E E D3301 D3302 A eI ce S 1SR139 100 5 DES E 15 D 1258 Ge EES 03355 20E2 FC D3302 R3324 Se IIe IRF 192546
35. PIONEER ELECTRONIC CORPORATION 1999 T IZE MAR 1999 Printed in Japan XR A550MD 1 SAFETY INFORMATION This service manual is intended for qualified service technicians it is not meant for the casual do it yourselfer Qualified technicians have the necessary test equipment and tools and have been trained to properly and safely repair complex products such as those covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer birth defects or other reproductive harm Health amp Safety Code Section 25249 6 Proposition 65 NOTICE FOR CANADIAN MODEL ONLY Fuse symbols fast operating fuse and or KH slow operating fuse on PCB indicate that replacement parts must be of identical designation REMARQUE POUR MODELE CANADIEN SEULEMENT Les symboles de fusible fusible de type rapide et ou fusible de type lent sur indiquent que les pi ces de remplacement doivent avoir la m me d signation FOR USA MODEL ONLY 1 SAFETY PRECAUTIONS ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED ABOVE ARE INDICATIVE
36. XR A550MD Display Test mode STOP state tsmOOOOeOO Press the MENU button 7 times EEPROM Setting Menu EEPROM_SET Press the lt P button Focus Setting Menu _ Focus Press the MENU button 4 times TEMP Setting Menu Temp Press the lt P button Setting Method TEMP standard value setting Remarks TEMP OO Display EJECT status or No Mechanism status Press the ENTER button Set value OO Measured value If the gt button is pressed while a setting item is being displayed the set value will increase and the new set value will be set in LSI If the ga button is pressed while a setting item is being displayed the set value will increase and the new set value will be set in LSI If the gt 44 buttons are pressed and held down data will change continuously in 100ms cycles Measured Temperature Values Correction Table Ambient temperature Correction value 0 9 C to 2 7 06 2 7 to 6 3 C 05 6 3 to 10 0 04 10 0 C to 14 5 03 14 5 to 18 2 02 18 2 to 22 3 01 22 3 to 26 3 0 H 26 3 to 30 3 C 01 H 30 3 to 34 6 C 02 H TEMP standard value setting TEMP OO 9 EEPROM recording value microcomputer measured value correction value
37. 101 dB Wow amp flutter eene Below measurable limit Cassette deck section EE 4 track 2 channel stereo Heads Recording playback head x 1 MX Erasing head x 1 dere DC servo motor x 1 Tape type TYPE Normal tape TYPE II HIGH CrO2 tape Miscellaneous Power Requirements AC120V 60 Hz Power Consumption rior eren ee res 96W Power Consumption in standby mode 1W elle EE 270 W x 300 H 336 D mm 10 5 8 W 11 13 16 H x 13 1 4 D in Weight without 8 2 kg 18 lb 2 oz Accessories XR A550MD Accessories OPSratinGliNStrUClONS senec eege ner ne et eu Remote control unit Size AA R6P dry cell batteries FM antenna inns AM loop antenna 5 POWER etia based ad Specifications and design subject to possible modification without notice due to improvements US and foreign patents licensed from Dolby Laboratories Licensing Corporation POWER CORD CAUTION Handle the power cord by the plug Do not pull out the plug by tugging the cord and never touch the power cord when your hands are wet as this could cause a short circuit or electric shock Do not place the unit a piece of furniture etc on the power cord or pinch the cord Never m
38. 154 31 2 80 16 31 27v Q1821 11 179 28 1 36V 32 12v 81 ov 32 ov 1701 vorrAgE 12 137 29 16 33 259 82 33 ov 5 13 17v 30 1 6 34 13v 83 ov 0 8V 32 34 30 NO VOLTAGE NO VOLTAGE E ov 14 31 1 6 35 17 84 15v 35 22v 84 32 35 24v 1 Tov ov 32 i v 36 1 3 85 15V 36 85 3 2v 36 ov 2 32 RES SET 33 1 6 37 22 86 aiv 37 23v 86 327 37 1644 3 14v B 01822 34 38 87 3 17V 38 0 87 3 2V 38 5 5V 4 15V PIN 35 1 6 39 24v 88 ov 39 PLay 3 15v _88 2 39 55v 5 14V No VOLTAGE 36 1 40 12v 89 317 REC 0V 89 1 7 40 1647 6 Lov C1802 E ov 37 41 aav 90 05 40 ov 90 1 8 41 1 68V 7 32 VOLTAGE C ov 38 1 6V 42 1 5 91 41 ov 91 18 42 1 68 8 RESCH 39 1 6 43 2v 92 42 92 1 4 9 25 3 40 16 44 av 93 3 2V Low reflectance 10 sav ov ns 2 PIN 14V 0 9V ligh reflectance C1251 12 15V NO VOLTAGE 43 47 ov 96 S 232277 1402 E ov 161202 44 liv 48 97 3 2V NO VOLTAG 14 3171 PIN VOLTAGE 45 1 6v 49 1 56 98 3 16v 3 2V NO PIN VOLTAGE 1 26v 15 3 17V NO VOLTAG 46 1 6V 50 PLAY 0V 99 3 15V ov 25V 16 1554 1 ov 1 priv 47 07V
39. 60 2 Tape Speed ADJ VR Front Side ld Cassette 8 Mechanism Section Side View Fig 3 Tape Speed ADJ Point Electrical Adjustment Check the following before starting 1 Confirm that the tape speed adjustment has been completed 2 Clean the heads and demagnetize them using a head eraser 3 Set the measurement level to 0 dBV 1 Vrms 4 Use the specified tape for adjustment Use the labeled A side of the test tape STD 331E For playback check STD 632 Normal blank tape 5 Provide yourself with the following measuring devides 9 AC millivoltmeter Low frequency oscillator Attenuator Oscilloscope 6 Adjust both right and left channels unless otherwise specified 7 Turn the DOLBY NR switch off unless otherwize specified 8 Warm up the unit for several minutes before adjustment In particular be sure to warm up the unit in the REC PLAY mode for 3 to 5 minutes before starting recording playback frequency characteristics adjustment 9 Always follow the indicated adjustment order Otherwise a complete adjustment may not be achieved Playback Adjustment 1 Head Azimuth Adjustment 2 Playback Level Adjustment Recording Adjustment 1 Bias Oscillation Frequency Adjustment 2 Recording Bias Adjustment 3 Recording Level Adjustment 4 ALC Operation Check As the reference recording level is 250nwb m for STD 331E the recording level will
40. CH1 2V DC 10 1 CH2 2V 500ns div DC 10 1 1 kHz 0dB Sine Wave PLAY Stopped we 5M 5 5 1997 08 04 09 47 21 Ps Filter mm SMOOTH OFF BW FULL P Offset 0 0000 CH2 0 000V 0 000 CH4 0 000V Record Len 10 Zoom 100 Ps Detay 0 000 000 s PS Hold Off MIN Ps Trigger NORMAL EDGE CH 500 200us div DC CH1 XR A550MD 27 1 XR A550MD 3 5 MD MAIN ASSY VD 5 VD 5 Ke 14502 Sda zn 5 5 2 SEL al ed z 515 208 546 ACDET En D GAN 2 5
41. DIFF ADLPFO TCG TCG 1102 1 BOUT IN BOUT IN S BN 1 1 Y FOUT IN IC1101 ADIP 22 FOUT IN O FIN 1 es y IR3R55 Vac a RF PROCESSOR 22 225 wei j 7 BEADD BIAS ect L re gt 5 DGND CTO R1102 Pis ofS 1 0 027 Jee ToGo 7 ENCOD 6 D 555 TEST 1 81105 1136 R1154 BIS 8 TEST2 i 390K Jan AOUT eg 174220 R1653 gt ES IS TOOK X176KO TPiias R1153 OR LODE ____ 0 FODRF qj BIN BOUT 22K T zB FODRR 1651 200 C FobRR 1 1134 RI 158 5 TRDRF R1657 y120K 6 TRDRF cl EN Loaic EOUT TRORA Hi MK 2 TRORR R1151 SLDRF 1661 82K 335 TP1133 Ec Fue 5 aa 22K di SLORR A1650 82K SUDRR Zo E 18594 82K 23 7 9 8 E B B 24868873 R1150 1 SPDRF Pl665w62K_ 21 OOO 248885545045 Ka SPDRR SPORRI z 52 m 9 9 9 0 9 9 0 gt a amp D R1663 2285235 1 a lt cli Gjclc 01105 636969 1 TP1129 4 1130 1 2 TP1150 B mn 1 L1102 1121 1 1 cual R1166 12K Pm 7 1727 1101 R1107 47 3 1 t A6 ERE EEBSEEEBE IF ESSE FEFEFE 1 PFF 299900440 99026909 30302 OME d Flexible aig PCB 4
42. System bus data input Pull down MORP JOG1 MORP JOG2 Pulse input for Sound Morphing JOG SYSDATA Serial data output Power supply TXDATA Serial data input D1 S01 D2 S02 S03 S04 FL display control segment SYS CLK Serial clock output CD DATA Serial data output for CD LSI SQ OUT Serial data Q data input for CD LSI CD CLK Serial clock output for LSI XR A550MD 7 1 2 DISPLAY XAV3007 DISPLAY ASSY V5621 FL Display Pin Assignment 69 rn ER SS SoS NA WI NN WI es H DN ras G UU UU Grid Assignment 10G 14G 24 B8 0065 a ood iin SO ech m a ver 8 2 RECOASES CD gt SURR 9 1 2 Dow gt daer d 3G 4G 5G 6G D H m a M mno Gart 111 Gemen Pin Connection Pin 53 52 51 50 49 48
43. jn Lee 330 1000p Ole o Ta LN VVDD XVDD 5 R8305 1 A 58524 Earl gt 88803 JFR MUTER 42 R8402 C8307 12804 Wax MER 1 2k 55 1C8301 RVDD 41 000p ES e 88304 EFMO RCHO 40 584091 d 29128 5 53 10 EFMIN DSP RVSS 59 8352 0 01 330 11 TEST2 Luss 70H l VREF CN8005 Pin3 YB 13cLv LcHo EE URB ofa E C8130 418 Lvpplsechi gt VIS 58 14 MUTEL B o BIS 27 Nhe NC 4 9 AX O 5 CD SESS 5 TEST4 S S0 F DGND CD jr o 17181412012112 23 242526 27 2829130 31 77 x E l5 5 26 e GNDD CD 85 5508 2 Den PP 197 574 CD Lch BB S A m V 5 CD YYYYY 2 8 o gt DGND x 4 7 5 A LL un GNDD 11 GND e CD DRF N T 77 DIS CD CS gt CNDD CD 57 5 77 GNDD CD KB CD CE ed 42 CLAMP gt 2 INSIDE DISC123 KE K11 C8256 0 1 1 V 5 MOTOR re CD C8255 0 1 4 SR M CD SGOUT 77 11 3 CD CLK Ep D rnb 9 E inr cD GS DGND x DOUT G DOUT LOADING MECHA 252 0 5798251 0 t 1 4 25 1237 2SB1237X bo DRIVER ey z jg CD HLEM22R 1 Zo EJ E m C8257 2825
44. ov leev 8 22V 11 11 1 6V 11 1 6V 61 ov 11 ov 9 32V 01803 12 sv 12 1 6 12 3 17V 62 317 12 27 10 32V RIN 13 13 32V 13 ov 63 ov 13 276V 01253 11 oe 14 32V 14 3 2V 14 ov 64 1 14 1 6V PIN OY 15 31v 15 ov 15 ov 65 13V 15 16v NO VOLTAGE 12 97A 3 2V ov 16 sv 16 Groove 3 2V 16 ov 66 DIC input 1 58V 16 1 6V 159 97A 0 9V Pit 0V 17 1457 17 315 S ov 01807 17 Low reflectance 18 1 56 67 1 58V 18 3 15V 26 01804 1990 ov 19 1 62 68 3 17V 19 ov PIN VOLTAGE PIN VoL TAGE High reflectance 20 17v 69 ov 31V 20 1 6V 11554 VOLTAGE 355 NO 3 2V 21 15v 70 15v 21 ov 71 ov 21 16 sav 32v 1 1457 18 ov 22 1 63 71 1 55 22 3 15V 72 22 1 6V No VOLTAGE 54v 3 3v 2 1 7V 19 ov 23 1 53v 72 15v 23 32v 73 97A 0V 23 123v ST 48 3 1 45 20 1 45V 24 1 8V 73 97B 3 2V 24 1 23V S ov Q1820 4 17V 21 3 2v 25 14v 74 1 25 16 G 25 1805 5 1457 22 ov 26 12 75 1 55V 26 16 NO VOLTAGE 6 17V 23 ov 27 25v 76 1 8v 27 1 62V NO VOLTAGE 32v 7 ov 24 2 28 77 1 56 28 27V ov C 3187 8 17 25 1 78 29 18 78 ov 29 28v C 2 4V 9 1457 26 1 78 30 14v 79 30 27 10 1377 27
45. 00 0 645516261 4536 710 1 oNN QALIN ME 5 SEGS BAe RAS 4 ee gt 26 2 SEGS gt 0 comis 47 27 SEG7 15 48 58 FRONT ASSY 28 4 SEGB 14 R I 48 ag J zeca 4 48 4501 MD EJECT 2 seaia FL DRIVER com 2 43 47 54502 DELETE 21 SEG11 104501 11 2 48 54503 MENU 12 8 41 45 12 SEG12 MSM9202 01 22 54504 DISPLAY CHARA SEG18 9 14 10 sEG14 come 9 45 15 11 5 015 COM7 58 42 18 12 sEG16 come EZ 41 AL 15 SEG17 coms 28 40 18 SEG1814 _ 59 I 19 SEG1915 Q q I0 I0 10 Di COMS 58 08100081000810008 57 NDNNNNNNNNNNNNNNNO 1718192421 22252425 26 2728 24 54 51 52 NI TOON 5 el 10 0 N N Gi QI OI OI OI mm Ki Ki CN4506 4 52045 1145 Q KEY R4565 84566 R4567 R4568 lt 2 FL_RESET Tek 2011 Sk Z was Zio oN ges ge 04836 8 2 E 2 T 8 VU 5 gt 6 FL_CP 7 FL_DATA VFDP 8 MTZB 5 5 04503 2 9 gt 5 5 5 amp 85 04529 R4569 G FLAC 1 Brie STBY 270 BL 3 GNDD e 5 T LED HOLDER 04505 wap4506 9 VU 5 ft p ES MERE AREE E 04028 R4570
46. 01802 1521 281908 1 TP RNi406 RUM AD GND TP1522 om 81707 mima Loss die Al AA GND 4 3K 47 2206 Wio 1735 2 281734 Lie 16171 24 7 igo 61721722 2202 be AAGND CH CH 1 e are waveform Nos on page 25 and 26 23 5 6 r3 7 8 XR A550MD Voltages of PWB A MD MAIN ASSY 24 e Capacitors unless otherwise specified are in uF P is an abbreviation for pF Capacitors indicated as CH RH UJ etc are ceramic tempetature compensation types Capacitors indicated as ML
47. 10 1 GROOVE PLAY 1994 08 04 13 37 11 2V CH3 200 5V DC 10 1 10 1 DG 10 1 Stopped NORM 1M S s Fite SMOOTH OFF BW FULL Offset CH1 0 000V CH2 0 000V CH3 CH4 0 000V v Record Len pde oA V FO pa Main 10K 1 Zoom 100 Ps Detay 0 000 00s Hold Off CH1 2V ims div DC 10 1 MIN Ps Trigger T AUTO 1 e EDGE 23 CH2 Y POWER OFF gt STANDBY Stopped NORM 500 S s 1997 08 04 12 58 01 2V DC 101 CH2 2V PC 10 1 CH3 2V DC 10 1 Ps Filter SMOOTH OFF BW FULL P Offset CH1 0 000V CH2 0 000V CH3 0 000V CH4 0 000V Record Len Main 10K Zoom 100 Ps Detay 0 005 Hold Off e MIN Trigger AUTO EDGE CH1 2s div DC 10 1 POWER ON POWER OFF gt STANDBY Stopped NORM 1k S s 1997 08 04 13 57 22 2V 2 2V CH3 5 5V __ Ps Filter mm 10 1 AC 101 103 DG 10 1 SMOOTH OFF BW FULL pu Offset bu CH1 Se oh CHE Ban d CH3 i CH4 0 000V Record Len Main 10K Zoom 100 p Detay 0 00s PS Hold Off m MIN Trigger AUTO j mcm EDGE Y 25 XR A550MD Stopped NORM 1k S s 1997 08 04 14 19 52 CH1 2V CH2 2
48. 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 Connection 22 1G 2G 46 5G 66 7G 86 9G 106 110 120 130 140 P1 P2 P6 Pinno 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 7 6 5 4 2 1 7 Po ofer jevzjera ena ps wx e NOTE 1 1 2 Filament 2 No pin 3 extend 4 DE unc Datum Line 5 1G to 14G Grid 6 Field of vision is a minimum of 25 8 from the lower side 94 e Anode Connection 3G to 6G 29 nni 9 C SURR 55 XR A550MD 95 XR A550MD 7 2 DIAGNOSIS 7 2 1 DISASSEMBLY M MECHANISM CD Oxs Oxz Bonnet Case t E N 1 2 Note The loading tray can be pulled out Unhook when the main cam is in this position The Lock Lever should be in the notch of the Main Cam d M Mechanism CD md T D 96 XR A550MD FRONT PANEL SUB TRANS Assy 20 MD MAIN Assy PRIMARY Assy SECONDARY Assy MD SUB Assy MECHANISM
49. 5 1 56 Sor X Ki 85 8 3805 5 R2212 mg 2212 9 A IB SES R2214 poLoN JorE d 22k RTF1209 dk 2 2 90 8 eos 52 2dbV 10k Ste Dn 2 IN LS Ai NS E 2 2 DOLON XOFF 2206 DOLON XOF 2 2 50 DOL PB XRECgZOtPB KREC GNDA 2202 DOLBY NR PBX1 2 PBX1 2 2 2 50 ACR af of EE BCR BCr SEEE amp a lt XPBMUTE XPBMUTE 0 GE 5 BIASCONT V12B BIAS OSC 82012 4 XBEATCUT XBEATCUT 125 LF 02805 92806 MS 25 1815 2581197 MS DETECT RECMUTE RECMUTE 12801 6 1 lt 9 125 m 5 2 5 125 Sat ATX7002 1 Sax 2802 8 EN GNDA 680p 500 E us ES R2805 42802 GNDA 02801 DTC143EK V12B 2562240 Sx 2 77 KoT amp STBY 413 5 6 7 8
50. 66 4002 7010 4003 7020 1C4001 NJM2904M Q4004 25 2412 Q4002 2SD1859X Q4001 Q4007 2502012 Q4008 2502012 Q4005 Q4006 2SD2395 A Q4009 2SD2395 Q4003 DTC124EK A D4011 GBU4DL 5303 D4002 MTZJ13B D4008 MTZJ5 1A D4004 MTZJ6 8B D4001 D4005 D4007 D4009 D4010 556880 D4016 S5688G CAPACITORS C4001 22000 16 ACH7078 C4004 C4005 CEAT100M50 4010 222 25 4003 4019 470 16 C4002 CEAT470M25 C4011 CEAT471M10 C4006 CKSQYB103K50 C4096 CKSQYB104K25 RESISTORS R4001 RD1 4PU151J R4023 R4026 R4033 R4034 RD1 4PU1ROJ R4029 R4031 R4032 RD1 4PU220J R4018 RS1LMF181J R4019 RS2LMF8R2J R4020 RSSLMF150J Other Resistors RS1 10S J OTHERS 3P CABLE HOLDER 51048 0300 J4001 JUMPER WIRE D20PYY0320E CN4001 9P SOCKET KP200IA9L r assy Although XWZ3172 XWZ3181 are different in part number they consit of the same components e PARTS LIST FOR XWZ3172 SEMICONDUCTORS A 1 3651 AEK7023 1C2101 1C5691 BA4558F HT 105891 5892 04094 2201 HA12136AF 2301 12211 XR A550MD Mark No Description Part No 1 3001 LC75394NED A 42 NJM7805FA A IC32 NJM7812FA A 3301 STK407 050B 03354 03601 03621 25 1037 071 25 1837 02806 25 1197 Q3652 Q3654 25 1238 Q2803 Q2804 2561815 02801 2562240 02102 02201 02202 03353 03603 25 2412 Q3605 Q3608 Q3651 Q3653 2502412 Q31 2502012 Q2203 Q2204 Q2805 Q3311 Q3312 2502114
51. 8 9 CN3001 CN3002 90000000 CN40468 Si CONTACT SIDE CN1904 W107 lo 1 4 S 6 GND amp C4ege C4221 XNP3018 B 4 1054 3 1902 48 4 XR A550MD LED E MD FRONT ASSY ASSY XNP3018 B XNP3018 B 04205 Q4206 04202 04204 Q4501 104502 104201 104202 Q4201 Q4203 104503 1 4101 04207 Q4210 1 4203 04209 04208 4 1 XR A550MD 4 6 MD SUB ASSY SUB assy CN41 Si 22 18555558588 4504 XNP3018 B 1 4003 04001 4002 04002 04005 04009 MD SUB ASSY 4 XR A550MD SECONDARY ASSY E gt o o lt gt tc lt O o T1 POWER IC12 IC11 XNP3019 B SECONDARY ASSY XNP3019 B 1 XR A550MD 4 8 AF ASSY t CN4201 FY cN6201 d 5 d US S 516 T RUS J81 2 S WIE UI y Va DC FAN MOTOR J11 VR2802 Q3652 Q3654 1 3651 Q2803 071 02804 02801 Q31 IC32 IC51 42 03352 Q3351 IC3 8 XR A550MD 4 9 cn4201 8 CN4102 01 Des
52. HALF 1 Sia Sd Se KE 5 5 MODE1 9 446 Ges L9 92805 s ls Gpeos 7 GNDD SPA i i Se 1 0 GEI SSC ch E m LS VM 2581152 2581132 Kg ARF 95601 05685 DTC143EK DTC143EK T DTC143EK S 49 12 ARR 9 5 6V NDP DECK MECHA DRIVER 185559 9 T e 188355 1 5k R5562 8 15 7 62 9 3 05651 R5637 d dH gt ER 5654 155155 5 dn 85659 5d 5 TYPE g 5 ONLY 5818 Lacu H Bo B 47k PED Si E 215 zl de R5564 22812 3 85840 25658 Ulo 3 7077 85951 gt 1859522 12k 180k 5 SIE e 22k 5 i m D5562 D5564 D5566 D5568 R5953 2185954 4 Es 155181 1 188 120 150 180 270 338 560 2 9 9 y V VOL JOG R5948 I Et R5918 1k n o 2 is Ps ds drs Ps ds dz 2 Get Ka Jost 8 18 1 8 15 13 T rares ENTER DASS ASES EQ PRESET BERE Zoom COPY 9 9 9 9 GNDD KEY gt s 212 5 2 SURROUND NEU o 55951 a 5 55952 o 85919 0 0 Sx 9 E E KEY2 100 129 158 189 279 330 560 820 1 8k C5952 C5951 470 479p Cp955 854 85947 85821 noose 85941 iet 1k be e ba hs L g 55 LA gt E 4 M
53. Mark No Description Part No RESISTORS J R4599 RD1 4PU330J J MD SUB ASSY R4552 R4553 RD1 4PU3R3J Although XWZ3179 and XWZ3188 are different in part number Other Resistors RS1 10S J they consit of the same components OTHERS PARTS LIST FOR XWZ3179 X4501 CERAMIC RESONATOR RSS1042 SEMICONDUCTORS 8 38MHz CN4503 11 FFC CONNECTOR 52045 1145 CN4505 13 FFC CONNECTOR 52045 1345 CN4102 KR CONNECTOR B3B PH K R CN4101 KR CONNECTOR 5 CN4504 9P PLUG KM200IB9 CN4002 24 FFC CONNECTOR VKN1200 FRONT assy Although XWZ3178 and XWZ3187 are different in part number they consit of the same components e PARTS LIST FOR XWZ3178 SEMICONDUCTOR 4501 5 9202 01 COIL L4505 LAU220J SWITCHES 54501 54504 XSG3001 CAPACITORS C4523 C4525 CCSQSL101J50 C4527 CCSQSL470J50 C4537 CEJA100M16 4522 4526 5 104 25 C4536 C4539 CKSQYB154K16 RESISTORS Resistors RS1 10S 5 4501 CABLE HOLDER 51048 0300 16P CABLE HOLDER 51048 1600 CN4506 11 FFC CONNECTOR 52045 1145 V4501 FL TUBE AAV7058 assy Although XWZ3180 and XWZ3189 are different in part number they consit of the same components PARTS LIST FOR XWZ3180 SEMICONDUCTORS D4503 D4504 MTZJ5 6A D4505 D4506 NSPBF508S 8451 RESISTORS Resistors RS1 10S J OTHERS 3P CABLE HOLDER 51048 0300 J4501 JUMPER WIRE D20PYY0310E LED HOLDER XMR3005
54. Remarks WAITm___ Display Test mode STOP state tsmOOOOeOoO Press the MENU button 7 times EEPROM Setting Menu EEPROM SET Press the dk button Focus Setting Menu 1 Focus Press the MENU button 3 times Slide Setting Menu ___Sled____ Press the 4 button Slide system loop filter gain constant setting Press the MENU button Slide system loop filter f characteristics 2 setting 512 Press the MENU button Slide output limiter setting SLDLIM 9 Press the MENU button Slide servo output dead zone level setting SLDLEV 991 Press the MENU button Slide kick pulse level setting during forced Move SLKLVk 9 Press the MENU button Slide kick pulse level setting for 10 auxiliary jumps SLKLVt Press the MENU button Set value 84 Slide kick pulse level setting during Move If the MD REC STOP button is pressed operation moves in reverse direction If the gt button is pressed while a setting item is being displayed the set value will increase and the new set value will be set in LSI If the lt lt button is pressed while a setting item is being displayed the set value will increase and the new set value will be set in LSI If the 4 4 buttons are pressed and held down data will change continuously in 100ms cycles SLKLVm 4 TEMP Setting Setting Method Remarks
55. Se 97705514 FAN R PEN 2 05551 Fees En 2 2 50 FAN L S 381 53175 68k 23519 5 JE R3351 800 pu gt C3311 85511 jet 2 1 50 1k 05559 E 05555 ANI MTZJ18B 01 d 935 03361 R 2 2502114 Se 5 85321 Ue 83359155195 amp 55 essc 560 5578 G E peu o 4 roa Line murg amp 248 D 9 5pC 703320 61 GNDA S 05512 TON 2502114 lt 5 845 47 1 N Dt E 2 R3360 5 R3362 5 X Deal 28 218 1486 254245 R3327 27k 24 2SA1037KL 2 Ss R3356 5 2 59 100k 5 8 7 lta 20188 03360 Lys s 842 is Ka bey besen 05514 IRFIZ34 DTC124EK 16 3356 20E2 FC RYON OFF GNDA TX GNDA GNDV q GNDD M44 4 GNDM CD 261 GNDS o qn 51 VD 5CD 16VDC Ee UNREG 5 EI els 145 Ka als c41 A E E s 2200 25 gt REGGND DC SUPPLY VM 12 25VDC e Q31 4 4 2802012 A 1632 NJM781 2FA Y UNREG 1 2 de V412 BIAS 059 w PE T4 c31 5 Bot A 889 p gt SND elAs 5 98 1 2200 55 477 REGGND 40279 1 4 qn 5 gt 2 CONT 1 3 4 8 XR A550MD
56. z O AEZ Lo O CU ONOW 2 sov 24 8 9 4001 3 ezzoo 9 EL NIWY CMSB Kg 1 TS zizo ossz z vl NIWA LMS t vie9o AL SL 8 8 m 018 odit 3 19 09 0 TNIV ans GE 3 Dos r AM A VILSLZ99 SU 81294 81293 IDEA 0169 SSA 1 620 1924 NIXJE 1292 EW e R2 5 AZZ 15238 BER E 24 i mom S IER 4 92 Ha KAES k2 FT88 RS 4 e RS 9001 19 1 XR A550MD 3 3 CD MOTOR and SW ASSEMBLIES 1
57. 77 9 T 4 ag airs MW RF TUNING BLOCK n 19 7041 46 TUNER MODULE AM AXQ7065 gt AM SIGNAL ROUTE FM FM SIGNAL ROUTE TA Wb TUNER AUDIO SIGNAL ROUTE 18 LGOCN 6 0 XR A550MD unless Tolerance unless 171 0W 5 155254 5 Q i n in Capacity uF VOLTAGE V noted S SISTORS Indicated otherwise noted K KQ M MQ 2 CAPACITORS Indicated otherwise DIOD No mark diode R 3 1 Notes sl 52 gt Y D ES N gt OO H 4 DD 3 320 00 o 30 x t tha EE
58. 77 enk TX P eae W374 BL rp d AUX BR BE BBS ER ERR R ch o S 4 5 1 4 5 gue BRET MER Tog 11 55 218 4 83014 85016 3022 T T qms ANN Dud RE 1 VDC tk Joo 91 50 mem 447 98 82 4 7 62Hz 20 2 l4kHz 05084 05081 05082 e el ad St CM 5 a Se S VDC T 155555 155555 155555 BEDS Pes 15082 7 33 50 5095 0 1 Level Indication is in case of ALL FLAT as HH tvs and Function is AUX STBY STAND BY 9 Eemeren PB 200 or 400mV 8 wes SPA MIX Sensitivity R5691 85599 0 56 89092 A3 Nigicsesi W267 E o2 2 7k SN 4598 o 8 9 9 9 9 9 6 9 9 6 9109 0 9 6 0 9 06 T 55 9 9 9 9 9 9 0 010101010 0 01010101010 0109 O OO COCO i amp PE UE BERS 0520 gt gt 5 44 lt 0 06022 40 2 24854400 a 222426800 lt gt gt gt gt gt 85 lt 92 00760 0447 0x gt 5 2 9 5 lt N raz 1 2 X e 74 ul z 2 lt lt Oana gt 9 55 1 34 423 1 2 3 4 8 XR A550MD 2 x 5 e 5 MD or DECK PB
59. 87 R81 R81 8108 8119 13 TD 27k 220k JP 14 R8110 28111 4517 a EIE 550 15k 4S 244 YB 8112 C8117 16 tn V 5 MOTOR mj 2 2k tra 2223 El io 2 1 1 ON VREF 18 18 69 Ree n 1 8201 OCI e E pris GNDD CD BAS923FP ol doP usi 58127 t Zac zB e Glo Y 390k 7 18 C8128 4 22k 0 15 gt mia AH 1 28 A cer 94 GR 4 5500 m M 4 me YB YB 8155 E gt 85 cares 25 Nas 12 gt SSC 15926 220 uh wo 330k S 25 CD 2 5 1 7 22 i X in x a zi R8122 8 1 77 8 21 VREF 1 GNDD 20 IGNDD M 412 25145 1 Ss oN gt Ke Zm n MILAN oe N 4 Ng 2 M sear 8 5 gs gs 1 4 5 lt gt 3333 Za Peu ug T 2 5 4 ZG 1 FOCUS TRACK ING 1 SPINDLE SLED 1 DRIVER 4517 H 4517 ES 55 1 Zt 8 8 al 8 XWZ3141 4444401 1111141 0 GU o 4 gt 5 GNDD CD Ze A gg i 1 5 5 5 d 5 5 666 199000G L ti it 2 5 8 jo ju 8 5 21 15 lw CH 5
60. AUTO Preliminary Adjustment is engaged e During AUTO Adjustment will change as follows HAo RFg gt SAg gt SBg gt PTG PCH gt GTG gt GCH gt RCG SEG SAG gt HAO gt gt TCO gt LAO If adjustment is OK go to step 4 If adjustment is NG go to step 5 Grating adjustment adjusted value output Press the STOP button Step 2 COMPLETE Adjusted value output Press the STOP button e Adjustment name 0000 Address 2 AUTO Adjustment Mode Setting Method Step 2 AUTO Preliminary Adjustment Menu Remarks Can t_ADJ Display Test mode STOP state 15 Press the MENU button 2 times AUTO Adjustment Menu AUTO AJST Press the lt gt button once End of Adjustment Slide moves to innermost track and AUTO Adjustment is engaged e In the case of a high reflectance disc will change as follows PEG gt e In the case of a low reflectance disc will change as follows PEG LAG gt GCG gt GEG gt LAG If adjustment is OK go to step 4 If adjustment is NG go to step 7 Adjusted value output Press the lt P button Press the STOP button Step 5 Step 2 Continuous playback pit Continuous playback groove Press the DELETE button Press the STOP button Continuous playback groove Step 2 AUTO Adj
61. C1712 H TDON AAGND TP1702 oam AA pM scak 1416 5 R1711 C1720 1715 52 4 7001 1K Hest 90707 52 1413 LSCLK 1414 L3MODE rer Lapata EO ABE ETC AAGND E EE AAGND EZE BUCKUP BUCKUP R1947 47 REGULATOR H 1 01820 01807 0977 2SA1162G 2SA1314C 1 VREF3 2V 5 Q TEDE 5 1821 R1820 C1807 Sc 1 1 2204 1827 81809 R1808 1821 8217 1270 390 27 PDOWN 1 R1939 8 1 Spe x FLEXIBLE ik eset gg 30 ronn 01822 RNG1407 12 BUCKUP 9928225 2 R1806 lt 2 R1452 1503 1 sw 1 TP1803 15 ES EE RESET 11801 304 STID 781505 1454 1 XC62EP32 yu amp gt 25 11626 T DSCK GTIP1506 REA DSCK REGULATOR P1810 SERCH 1507 SCC RNC1404 4 KDATA 1 1508 R140 6 8K 412 KDATA e 32 A MDDATA 71509 220 1 R1466 220 Z DSTB 1510 gt LANG mago 1 5 6 10649797 Loi425 Dess C1904 E 0017 D GND 01801 08 GND TP1801 25 13146 T D D GND TT D GND R1804 By cua 1615 SEI DVDD EUR 22 18190 11950 Ge 5 P GND 4 7hH 004 TPTSIE R1805 R1802 d avec 100K 270 TP1517 4 80 Lin E PROM 7 Ka R1995 TPi519 aaen R 22K mmm ala aw
62. Laser ON LON Laser ON LON Offset 0 setting Signal A offset temporary measurement HAo If the measured value is within the OK range an asterisk will be displayed in the eighth character 81 XR A550MD 6 MANUAL Adjustment Mode High Reflectance Disc Setting Method Remarks Display Test mode STOP state tsmOOOO0eOO Press the MENU button 6 times MANUAL Adjustment Menu _ MNU AJST Press the lt gt button Initial setting Temperature Setting Mode TMP AA Press the MENU button Laser ON Press the MENU button Innermost track move Tracking ATT signal E setting PEG Press the MENU button Tracking ATT signal F setting PFG AAAOOO Press the MENU button Tracking EFMIO measurement display AAA Press the MENU button Focus ATT signal A setting HAG Press the MENU button Focus ATT signal B setting HBG e Ifthe STOP button is pressed while the MANUAL Adjustment Menu is being displayed operation will move to Test Mode STOP status e Ifthe MD REC STOP button is pressed operation will move back one step at a time Low Reflectance Disc Setting Method Remarks Display Test mode STOP state tsmOOOOeOO Press the MENU button 6 times MANUAL Adjustment Menu _MNU_AJST_ Press the lt gt button I
63. OF A POTENTIAL SHOCK HAZARD AND MUST BE CORRECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER The following check should be performed for the continued protection of the customer and service technician LEAKAGE CURRENT CHECK Measure leakage current to a known earth ground water 2 PRODUCT SAFETY NOTICE pipe conduit etc by connecting a leakage current tester such as Simpson Model 229 2 or equivalent between the earth ground and all exposed metal parts of the appliance input output terminals screwheads metal overlays control shaft etc Plug the AC line cord of the appliance directly into a 120V AC 60Hz outlet and turn the AC power switch on Any current measured must not exceed 0 5mA Many electrical and mechanical parts in the appliance have special safety related characteristics These are often not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features are identified by marking with a A on the schematics and on the parts list Reading should in this Service Manual Ge above The use of a substitute replacement component which does not have the same safety characteristics as the PIONEER recommended replacement one shown in the parts list in this Service Manual may create
64. R1708 al XL1201 15151 01403 01821 Se d 014518 Ba 2 8 0 927 o Weve 9 55 gt 20 60 015 101201 65 2 J e 2 5 0 E Magnetic Head a 125 125 R1967 s 1211 Eds KA are waveform Nos on pages 25 and 26 Q1251 Q1820 Q1252 Q1253 Q1254 Q1822 01821 01451 01403 01404 1251 01804 01806 1C1916 1C1701 1C1907 Q1701 1906 1 1202 IC1990 1C1201 Q1601 MD Pickup Product pwe a MD MAIN ASSY 1524 E D ne 1 1 4101 15190 TP1252 1907 S e 1905 9 s oo 150 1506 1 3 ese 1415 D 11702 104 1 E 5 gt 1601 e 1475 BE 2 Er IL 1 Hait Ere gt E amp S 1606 TP1279 a CN1901 N entum ew 1656 1 1609 1610 m Green 1 e 4 1214
65. REC 5V 100 2V 3 17 3177 2 32V 01401 2 11V 48 07V 3 2V 28V 18 3 3 2V RIN vorace 3 Ia 32V 5 26v 19 av ETN 4 av C1801 ox 6 20 ov ew 5 157 7 ov 21 ov 3 2v 6 18V NO VOLTAGE 8 156 22 ov 7 0 7 0 8V 1 ov 9 23 327 8 8 24V 10 2 6V 24 1 57V Q1402 2 44V 9 12V PIN 91404 3 32v 11 156v 25 32 No VOLTAGE 10 32v NO VOLTAGE 4 12 26 1 57V Tov 11 12 Tov 5 ov 13 26v 27 ov C ov 12 25 C 14 52v 28 16 2 B 21 en C1901 11403 15 tav 1601 NO VOLTAGE PIN 16 22v PIN 1 55v NO VOLTAGE 17 Ca m NOTES FOR SCHEMATIC DIAGRAMS E 3 18v 18 12 E 5 45V 3 ov 5 T5 Tov 19 T 1i Clan Resistance values unless otherwise specified are 315 20 ov 5 ssv means 10000 means 1000 ll WAV Stopped 5 4 EFORMS PLAY STATUS Stopped NORM 100M 5 5 1997 08 04 09 30 15 i H CH1 500mV 500nis d pum Filter AC 10 1 SUM SMOOTH OFF BW FULL Offset CH1 CH2 0 000V CH3 0 000V CH4 0 000V Record Len Main 500 Zoom 10 Ps Detay 0 000 000 000s P Hold Off MIN Trigger I NORMAL EDGE CH1 GROOVE PLAY NORM 2M S s A 1997 08 04 11 43 05 Filter SMOOTH OFF BW FULL Offset
66. S M JOG key is turned clockwise the function is switched to CD 1 and only signal ON OFF will be confirmed digitally 75 XR A550MD 6 4 2 Test Mode 2 6 4 2 1 Preparations Test Disc Test Disc Part Number High refective disc TGYS1 SONY for playback 124 636 0001 TGYS1 Low refective disc Recording minidisc 124 957 0001 GGF1277 Transparent disc for adjustment head 124 957 0002 GGF1276 e Extension Cable Refer to Fig 7 Part Number Extension board for servicing 124 685 0044 GGF1320 2 pin extension connector for servicing 124 512 0059 GGD1108 6 pin extension connector for servicing 124 512 0323 GGD1181 5 pin flat cable for servicing 124 512 0325 GGD1182 28 pin flat cable for servicing 124 512 0324 GGD1180 6 4 2 2 Test Mode Test Mode Types Test Mode Entering Application the Test Mode TEST 1 TEST 1 short CA Check TEST2 TEST 2 short For MD Mechanism Adjustment TEST MODE ON Short the TEST 2 terminal while the power is ON Po Short OT MA t MD MAIN ASSY rmm en 45 5 140 VE C4516 c el 4158 isa X4501 PW 4 ei 150 V Fig 1 Test Mode Short Point 158 W127 W128 76 XR A550MD Microcomputer Version Display 1 sec 1 second when EJECT is completed
67. SCAN SW 64 85701 81210 AV s REQ 511 1 087 22k QI 2 A D 5100 N LO 4788 caseo SPA IN A D 4 5 mssex 5 A D 50815 SE ww WRQ VDS INT 1 07 507 x 722 N RDS NT 2 06 506 Qi REMCON INT 3 8 057505 U 5 6V 8 e SIENA 0 219 E gu 5 NM di e x o r ai S S 3 A 8 SEKE 9419 ID Ha cl Ch 0 ai 562215 9 al 330 19 5 2 GNDD BRE i 2 zi H D LED CE TIMER INDICATOR VD 5V vo 5V 4 2 2 VFDP 7 5506 25508 7 1 044 Zort 11 1044 9 215 5 d sve FLAC1 99 GNDD Connect to FL Holder 4 11215 415 4444 2 E E E 38 LZ 48149150151 52 5 NN NMIN oO Oe DK N I0 x 10 0 O c DR s 10 0 O0 GS c ANMYWOR Sg D GG GD D DD Die ee e D GD D GD D D De e e ee rer e 0000000000000 0 000000000000000000000000000 SYS FL V5621 XAV 5007 FL Holder 896 40
68. XZN3063 9 Connector Assy 5P XDE3002 NSP 29 Jog Lens XAK3025 10 MDLens XAK3073 30 FL Cover MD XAK3072 11 Deck Bracket XNG3013 31 Deck Door R XAN3009 12 Mechanism Unit XYM3004 32 Front Panel XMB3015 13 LT Conductor XAK3074 33 Sub Panel A XAK3046 14 Door Spring R XBH3002 NSP 34 Power Button XAD3007 15 MD Flap AAN7186 35 Play Button XAD3022 16 Latch Spring R ABH7131 NSP 36 S C Button XAD3009 17 Screw BPZ30P100FZK NSP 37 TIMER Button XAD3016 18 MD Spring ABH7154 38 FL Cover D See Contrast table 2 19 Latch Mold R XMR3002 39 Screw PCZ20P040FMC 20 GND Plate C XNG3012 40 Cushion PED1001 NSP 41 Cord with Plug 7 2 CONTRAST TABLE XR A550MD KUCXJ and DBDXJ are constructed the same except for the following Part No KUCXJ Type DBDXJ Type DISPLAY Assy XWZ3174 XWZ3183 MD FRONT Assy XWZ3178 XWZ3187 MD LED Assy XWZ3180 XWZ3189 FL Cover D XAK3094 XAK3092 Remarks Symbol and Description XR A550MD 2 5 M MECHANISM CD Refer to 2 6 SERVO MECHANISM ASSY M MECHANISM CD PARTS LIST Mark Description Part No e 1 MOTOR Assy AWZ8428 NSP 2 SWAssy 28429 e 3 CD Assy XWZ3141 44 5 Servo Spring ABH7126 6 Belt AEB7072 7 Clamp Magnet AMF7001 8 Yoke ANB7067 9 Mecha Base ANW7125 10 Loading Tray ANW7088 11 Servo Base ANW7089 12 Rotary Tray ANW7113 13 Camper ANW7091 14 Holder ANW7092 15 Main Cam ANW7093 16 Gear Pully ANW7094 17 Lock Lever ANW70
69. and measure the read in switch position again After adjusting the position secure the three screws A Loosen the Three Screws A R ow ead in Switch MD MECHA SW ASSY Fig 3 Loading Motor Forced Rotation When Test Mode STOP status and EJECT status are displayed the loading motor can be forcefully rotated by pressing the buttons 88 6 4 2 3 Mechanism Adjustment 1 Detecting the Optical Pickup Grating 1C1101 Pin 42 O GND TP1131 1C1101 Pin 26 EOUT TP1133 Oscilloscope a b 101101 Pin25 FOUT TP1132 Resurge waveform a b Within 3 1 Fig 4 Measuring the Optical Pickup Grating Deviation Using a high reflective MD disc perform automatic adjustment in the AUTO test mode COMPLETE is displayed and adjust the EOUT FOUT resurge waveform x y 1 Desolder the two points of the disc motor board solder the lead wire to the motor terminal and board temporarily as shown in the figure loosen the three screws of the motor slightly and while looking at the resurge waveform adjust it 2 After adjusting tighten the screws in the order of D and 2 Checking Jitter After automatic adjustment in the AUTO Mode of Test Mode for low reflectance MD is completed check the jitter with the pit Continuous Play Mode and groove Continuous Play Mode 2P Extension Connector GGD1108 5P Flat Cable GGD1182 CNP125
70. are Mylar type For electrolytic capacitors indication is in the order of capacity and voltage resistance e Parts indicated with the Amark 2221 are important for safety reasons Be sure to use the designated parts for replacement in order to ensure safety and performance Voltage value indicated in each part is without signal as measured with a digital multimeter schematic and PCB diagrams are subject to change for improved performance Thus they may be slightly different depending on the set 01801 C1907 C1101 1 1201 101401 1601 01251 101916 RIN UR voLrAcE IRIN voLrAGE RIN voLrAGE HR voLrAGE 1 VOLTAGE sv 1 28 1 1 148v 51 1 ov 51 ov 1 125v D 44v 1 1589 5V 2 26V 2 07 2 ov 52 ov 2 ov 52 ov 2 4v L14V 2 B 3 49v 3 07 3 16v 53 ov 3 ov 3 157 G 26 3 1587 4 26v 4 07 4 ov 54 58V 4 4 55V 4 32 01802 5 16v 5 iev 5 136v 55 ov 5 5 55v 11555 5 DiGinput22V PIN VOLTAGE 6 ov 6 1 6 6 1 77 56 ov 6 6 1 5v PIN Other 0V NO 7 ov 7 7 16 57 32V 7 7 5v NO VOLTAGE 6 ov 8 49v 8 16 8 136v 58 327 8 8 27 D aav ov 9 ov 9 iev 9 177v 59 32V 9 9 2 7 155V 14 015 10 22 10 1 6v 10 1 25 60 3 17V 10
71. be higher by 4 dB for STD 331B 160nwb m When adjusting pay carefull attention to the type of tape used Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol are trademarks of Dolby Laboratories Licensing Corporation 71 XR A550MD OdB 30s 0 dB 315 Hz 250 nwb m 30s 30s 30s 108 VE 10s 12 5 6 3 500 250 125 6 3kHz 10kHz 31562 14 2 wi vis 4kHz 2kHz 1kHz Oe 63Hz 40Hz Fig 4 STD 331E Test Tape Playback Adjustment 1 Head Azimuth Adjustment 9 Do not switch between forward and reverse operation with the screwdriver inserted Input Signal Measurement Adjustment Sladen test tape Head azimuth adjustment D Max playback After adjustment apply silicon bond to 1 PLAY Playback 10kHz POINT L 20dB screw Fig 5 AF Assy signal level the head azimuth adjustment screw 2 Playback Level Adjustment 9 Since this adjustment determines playback Dolby NR level perform it carefully Input Signal Measurement Adjustment STD 331E TAPE TEST PLAY test tape POINT L Rch Playback 315Hz 0dB AF Assy PLAY BACK RECORDING REV Azimuth Adjustment Screw FWD Azimuth Adjustment Screw Fig 5 Head Azimuth Adjustment Screw Fig 6 Frequency Characteristics Recording Adjustment
72. bm 1 ef woo 1 S a 8 a Qu e wv log ei ala 638 Ko gt nano lo ei n On WSHA GH WO dp e 6 lt aw 6 gt issu a ano 6 ao i ei M sO G 2 awn ie Nado 9 EI 59 18 lt 9 6 Be 4 Ls Ww 2 10005 D gt X79 D O gt o Olano lt QNO 1 lt L GO inoia le ei ao gl lt 9 ao 1 Q 15 I res nias zl ml DIGITAL D2 PWWO405E D 16 8 XR A550MD Note When ordering service parts be sure to refer to EXPLODED VIEWS and PARTS LIST or PCB PARTS LIST System CN5502 52045 1345 w 51048 300 4501 GNDD NC VU 5V 2 51 MD FRONT ASSY E KUCXJ TYPE XWZ3178 7 TYPE XWZ3187
73. ee MENU REC _MENUy MD MENU MDREC SPDLIM 9 44 GDEQBC 9 MENU y MENU MDREC SLCTo___ HALSEG ee MENU MENU __ 9 LALSEG c MENU MENU 5 ___ GALSG ee D MENU MENU __ COTLVp__ e HALSOFS 44 MENU MENU COTLVr__ e LALSOFS ee MENU MD REC WAITm ee GALSOFS 91 XR A550MD 7 GENERAL INFORMATION 7 1 PARTS 7 1 1 IC The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams ll PDG244A MD MAIN ASSY IC4502 MD Control Microcomputer ePin Function Pin Name 5 Function No Pin Name I O Function 41 JOG2 JOG2 input JOG1 input S REQ System bus request 0 S DATA OUT System bus data output S DATA IN System bus data input NC XMUTE Line mute DSCK MD unit communication clock MDDAT MD unit System control data KDAT System control data MD unit FL CP FL driver clock MDST MD unit ON FL DATA FL driver data LOAD Load in detection DSTB MD unit communication strobe NIJ AJOJN Pull up CDDIG AUXDIG Digital in CD Digital in AUX NC NC NC NC S CLK System bus clock NC
74. soldering dE Check 1251 01251 1254 1252 Do input waveforms appear for Pins 18 and 20 of CN1902 during AUX input recording in Normal mode NO YES Check the substrate of the MD MAIN PCB Assy Are input waveforms supplied to Pins 3 to 5 of IC1701 _ 9 Check connection between IC1701 CN1902 Check Pins 70 to 73 of IC1201 and IC1701 and surrounding portions The focus servo does not function Is waveform of Pin 27 and 28 of IC1101 correct at the NO Check waveforms of Pins 9 and 10 of IC1101 and focus gain rough adjustment step in Test mode soldering Is Pin 81 of IC1201 changes from H to L NO Check waveforms of Pins 8 and 9 of IC1201 and Does pulse waveform appear for Pin 82 of IC1201 soldering De Does pulse waveform duty of Pins 18 and 19 of IC1201 NO gt Check soldering and parts of IC1201 15 NO Do waveforms change at Pins 12 to 15 of IC1601 gt Check soldering and parts of IC1601 pe Do waveforms of Pins 2 and 4 of CN1101 change Check pickup assy and 1101 es OK 107 XR A550MD The disc motor does not rotate Do waveforms appear for Pins 24 and 25 of IC1201 at NO Check soldering and parts of Pins 24 and 25 of IC1201 the focus gain rough adjustment step in Test mode and the circuits around 1 1201 pe Do waveforms appear for Pins 34 and 35 of IC1601 and NO Check
75. the TEST2 terminal is shorted again under these conditions the normal operation will be restored TEST MODE CANCEL Turn the Power OFF e MD Mechanism Test Mode When the MD mechanism pickup and PWB A MD MAIN Assy are newly assembled enter the MD mechanism Test Mode and PWB A execute AUTO Preliminary Adjustment and AUTO Adjustment MD MAIN ASSY according to the following procedure 1 Short circuit pin 8 PROTECT and pin 2 Vcc of IC1402 EEPROM 2 Enter the MD mechanism Test Mode and execute AUTO Preliminary Adjustment and AUTO Adjustment 3 Press the PRESET key and quit Test Mode EEPROM will then be written to 4 Cancel the shorting of pin 8 and pin 2 of IC1402 1 1402 Carry out the above procedure and turn the power OFF Fig 2 PWB A MD MAIN ASSY Short Point 77 XR A550MD Key Allocation for Test Mode 2 Mode Meaning and use of commands in Test Mode 2 Remarks Short Used when engaging Test Mode Test Mode setting Resets and starts the MD unit and inputs this command PRESET Operates at adjusted value set in Test Mode after writing to EEPROM and Restart with this key after quitting Test Mode executing mechanism positioning Auto Adjustment Disabled Mode setting 5 EJECT command Ejects disc MENU Test Mode menu scan 1 Scans menus related to adjustments and EEPROM ENTER Test Mode menu scan 2 Scans mainly menus related to continuous playback an
76. the operation shown in the EEPROM Setting Mode Transition Diagram compare the EEPROM Content Table and the display and set the EEPROM Content Table with the FADE OUT button and the FADE IN button 8 Setthe temperature standard value See Temperature Standard Value Setting Method 9 Set all settings the same as those in the EEPROM Content Table 10 Execute AUTO Preliminary Adjustment and AUTO Adjustment 11 Cancel the IC1402 8 pin and 2 pin short 12 Press the PRESET button and write to EEPROM 2 Temperature Standard Value Setting Method Must be set with room temperature of 21 C 29 C 1 Test Mode STOP status tsmOOOOeOO0 2 Because of the ambient temperature apply a temperature correction in accordance with the following table Ambient Correction Example temperature value When the measured temperature 0 9 to 27 C 06 is 73H and the ambient tempera 42 7 to 6 3 05 ture 22 C 6 3 to 10 0 C 04 H Temperature set value 10 0 to 414 5 C 03 73H 01H 72H 414 5 to 18 2 02H When there is a discrepancy 4182 to 223 2 01H between two measured tem 3223 to 263 C 0H perature values set the lower SEA value If the measured val 1209 fo 430 3 ues are 73H 72H for 30 3 to 34 6 02H ample use 72H 34 6 to 39 0 C 03H 39 0 to 428 04H
77. 0 TUNING 44 lt lt 55929 TAPE 55942 MD 55912 TIMER 55921 TUNING 55930 TUNER BAND 55951 VOLUME S5913 ENTER 55922 STOP m 55931 CD 55952 SOUND MORPHING JOG 5914 P BASS 55923 PLAY PAUSE Larl 55932 DISC 1 S5915 ZOOM SURROUND 5924 FREQ STATION 85933 DISC 2 55916 ASES 55925 NR ON OFF 55934 DISC 3 55917 EQUALIZER 55926 TAPEREC STOP 55935 DISC CHANGE 55918 PRESET 55927 MD REC STOP 55936 OPEN CLOSE 55919 STANDBY ON 55928 AUX e STAND BY INDICATOR reb Joa DISPLAY ASSY D5617 05618 ww KUCXJ TYPE XWZ e E 3174 58 SLP3118C51H D DBDXJ TYPE XWZ3183 05619 05620 R5613 Kei Ball E HES d 2 GP1U28X x5901 AC WAVE zou FIX 4398 1 7 Y JU 5558565 E iD 92 689 G5801 R5803 R580 a 2 8
78. 0 Tray Cap Assy XXG3031 2 CONTRAST TABLE XR A550MD KUCXJ and DBDXJ are constructed the same except for the following XR A550MD Remarks Symbol and Description ra KUCXJ DBDXJ XAK3093 XAK3026 XAK3057 XAK3064 ARW7050 Not used 4 FLCoverA 7 Display Panel 14 65 Label XR A550MD 2 3 EXTERIOR 2 2 az 9 efer to 2 7 MD MECHANISM ASSY R 2 4 FRONT PANEL SECTION Refer to 1 EXTERIOR 2 2 PARTS LIST Mark No Description Part No e 1 Assy See Contrast table 2 2 SECONDARY Assy See Contrast table 2 Gi 3 PRIMARY Assy See Contrast table 2 4 FM AM TUNER MODULE AXQ7065 A 5 Power Transformer T1 See Contrast table 2 6 DC Fan Motor AXM7003 7 Fuse FU1 See Contrast table 2 NSP 8 Chassis XNA3002 9 MD Mechanism Assy AXA7054 10 MD Bracket R XNG3011 11 PCB Bracket XNG3006 12 MD Bracket L XNG3010 13 Heat Sink XNH3003 14 Wire Clip XEC3002 15 Rear Panel See Contrast table 2 2 CONTRAST TABLE XR A550MD Mark No Description Part No 16 Assy See Contrast table 2 17 Fan Plate ANG7153 18 Push Rivet AEC7149 19 Screw VBZ30P080FZK 20 MG Plastic Screw XBB3001 21 Screw 5740 060 22 Cord Camper RNH 184 23 MD SUB Assy See Contrast table 2 24 Screw BPZ30P100FZK 25 Connector Assy 9P XDE3008 26 Connector Assy 3P XDE3024 27 Separation Sheet XEC3010 28 Screw BBZ30P300FMC e 29 SUB TR
79. 0 XWZ3176 and constructed the same except CN3331 SPEAKER TERMINAL Ap AKE7001 for the following Part No CN2302 KR CONNECTOR B2B PH K S ark Symbol and Description qy73176 XW23185 Remarks CN1054 KR CONNECTOR B3B PH K R 7004 2301 KR CONNECTOR B3B PH K S us ed CN3002 KR CONNECTOR B4B PH K S AKP7032 BKP1046 CN3001 KR CONNECTOR B5B PH K S JA1652 OPTICAL RECEIVE MOD GP1F32R CN3051 14P PLUG KM200IB14 JA3001 2P PIN JACK VKB1060 J3651 CONNECTOR ASSY 2P XDX3002 CN3991 HEADPHONE JACK XKN3001 SECONDARY ASSY Although XWZ3173 XWZ3182 are different in part number they consit of the same components e PARTS LIST FOR XWZ3173 SEMICONDUCTORS A 7010 A 7015 7016 A IC11 IC12 AEK7019 A IC21 IC22 AEK7053 A D11 D21 GBU4DL 5303 A 031 034 041 44 556880 5 A 1 12 2200 63 7071 C21 C22 222 50 OTHERS CABLE HOLDER 15 51063 1505 CN41 3P JUMPER CONNECTOR 52147 0310 J11 JUMPER WIRE D15A15 350 2651 assy 1 CONTRAST TABLE XWZ3175 and XWZ3184 are constructed the same except for the following Part No XWZ3175 XWZ3184 Symbol and Description Remarks S1 VOLTAGE SELECTOR Mot used AKX7006 O Bsns rosee massi 2 PARTS LIST FOR XWZ3175 CAPACITORS A C3 10000pF AC250V ACG7020 68 VNF1084 Not used EARTH METAL FITTING 2 PARTS LIST F
80. 093 22 Loading Gear B 1242810063 23 Drive Gear 1242810064 24 Loading Gear 1242810065 25 Roller Gear 1242810066 26 Rack Gear 1242810067 27 Connector 2P CN1903 1245120288 28 PWB A MD Main Assy 1246840167 29 Roller Holder 1242860001 30 Transfer Roller 1242870014 31 Drive Shaft 1242900105 32 Pickup Guide Shaft 1242900040 33 MD Guide A 1242000208 34 Pickup Slide Shaft 1242900039 35 Cover 1243230027 XR A550MD Mark No Description Part No 36 Bottom Cover 1243230028 37 Cushion A 1243260020 38 Cushion B 1243260021 39 Cushion 1243260097 40 Magnet Head 1246100008 41 Pickup 1246170019 42 MD Flexible Cable 24P 1245120301 43 Connector Assy 1245120299 seseo 45 Head Guard Sheet 1244030163 46 Drive Chassis 1242070047 47 PWB B 1245210149 MD Mechanism Switch Assy 48 Push Switch SW1956 1245300025 49 Push Switch SW1954 1245300026 50 Push Switch SW1955 1245300026 51 Push Switch SW1952 1245300027 52 Slide Switch SW1953 1305301315 53 Spindle Motor M901 1246300048 54 Sled Motor M902 1246300049 55 Loading Motor M903 1246300050 56 57 Screw 1249700161 58 Screw 1249700162 59 Screw 1249700163 60 5 1249700061 61 Screw 1249700065 62 Screw 1249700076 63 Screw 1249700108 64 Washer 1249900005 65 Washer 1249900006 66 Screw 1189700020 67 Screw 1249700077 68 Screw 1249700011 13 XR A550MD 2 8 MECHANISM UNIT D n E EH d J 2 8 D 29
81. 0XU8 oo EU R6908 R628 E 6414 20299 5 6278 R6276 Satbou H 2129655401 s ellicesig 06407 4 6201 06201 06202 06301 06303 06302 06401 06304 6202 06403 06214 06306 06404 06402 96205 7159 43 1 XR A550MD 4 3 CD MOTOR and SW ASSEMBLIES 2 Sw assy S 44872 MOTOR ASSY M SERVO MECHANISM ASSY Q8101 PICKUP ASSY Q8254 Puer ous 08251 08253 ele 4 ll E L821 6 00 T 1052 C8251 7144 assy 1 2 3 4 2 3 4 XR A550MD 1C8201 1C8101 22 OZ 0 108301 BICIDE 2 ASSY B ANP7144 E 1 XR A550MD 4 4 PWB A 3 pwe a M901 RED MD M SPINDLE MOTOR 9 902 RED MD M SLED BLK MOTOR MD MAIN ASSY MD Flexible Board CN4002 ETBIC 172 1729 is 1724 72 gt 1 Pa R1994 Gs R1735 R1733 Si 9 EJ e R170788 z 5 5 8 WS 9 8 R4811 m 1810 01709 HD z 1810 81995
82. 1 swiost 99 CN x E lt le tor em 2x sal emen Bp 8 55 5 as ge 9 389982829 855555 5 1955 79 2 y 79996 999 5 LOADING t xr Tz s gk 8 ss E i C1656 e SS e o of E o aa 841195 o E emm RIP amp sg 5 g Z S 9 S I PWB B 8 11335988 MD MECHANISM 1 j SWITCH ASSY 1 praec 1245210149 al 8 uj 4 01402 SIS ms APP MN 1 8 1 RNC1404 age 2 MS ZEN 15 529294 ER 88 le 5 zehn 0701 1 58 LT 1351 155 RN2404 1 1 6 1607 5 lt 01404 SPINDLE MOTOR aa 2 SLD TP1606 1558 B 1 ARAM RNC1404 LS i Id LORE EPROM 7 CN1603 1 7 182 TP1608 181667 THREAD MOTOR E Q e P1609 TPI TP1610 Bz 22K 016818 1601 CN16041 12166 Bye 10010 1hH lt gr M903 a 56758 1 ME 8182 Sch MOTOR DRIVER LOADING MOTOR ES B 5 zz t TEM e 2 E 5 22 For details regarding schematic diagram caution items refer to page 24 8 XR A550MD FOE CU RUM c i n C e UI 05050050505 05 ENEE VB
83. 1 Bias Oscillation Frequency Adjustment Input Signal gt Measurement Adjustment recording mode and GND Oscillation If the REC STOP button for four 1 mwan frequency to seconds while the power is in STAND 9 105 2 BY mode the frequency will decrease 2kHz 2 to 3 kHz 72 XR A550MD 2 Recording Bias Adjustment Since this adjustment affects recording bias prevent distortion from increasing due to underbias Input Signal Test Tape Adjusting Points oe Adjustment Value Remarks Input a 315Hz signal to the TAPE TEST AUX terminal and set the input Input signal level POINT L Rch 23 7dBV selector to AUX AF Assy Load the STD 632 test tape and record playback the 315Hz and VR2801 Lch 10kHz signals VR2802 Rch see the Note below TAPE TEST Repeat adjustment until playback level POINT L the 10kHz signal is within 0 0 5dB AF Assy from that of the 315Hz signal Note Set the 10kHz input signal level to the same value as the 315Hz input signal level of step 1 3 Recording Level Adjustment Input Signal Test Tape Adjusting Points Adjustment Value Remarks Input a 315Hz signal to the TAPE TEST AUX terminal and set the input Input signal level POINT L Rch selector to AUX AF Assy Load the STD 632 test tape and VR2301 Lch TAPE TEST Repeat recording playback and record playback the 315Hz VR2302 Rch POINT L adjustme
84. 1 3 3 7 n REC REC 55 Tz lt as 1162 XWZ3172 ZS a 20 9755 DBDXJ XWZ3181 9 gt S IS Be site S ye VCP1158 A T 12 y VR2303 QN 10k Sr ej a iX 4 c DIN 155155 3 gs 8 9 155555 33 BEER aay 4 18 1 STBY STAND BY Lo SMIT Eat d 4 suos Ei ue N o 1198 83303 7024 T 2 1 lt 310k E AEN H x vi wy R2328 ss db 1k ews 8 5 N a NeW S R2327 5 5 1K eg 19 x pr DECKI Whi te HN P e Rees 81 Saas gs 1 285 amp 885 REF s Re ENE seg ox ens 58 gt KH ooo 0 0 oe Oe Be N D oo SL Js ND N N 5 8 12502 R2304 5 6K ANS 8 2m 2114 ee BIAS R VR2802 1164 220k ANM BIAS L ERASE Wh i te ge Oy 33k VR2801 1164 220k 6 Gi o DECK PB SIGNAL ROUTE REC DECK REC SIGNAL ROUTE
85. 1101 IR3R55 1245730345 C1119 1425930083 1601 M56758FP 1245730354 1650 1651 1652 1653 1425930084 101802 NJM431U 1245730356 1703 61710 61712 61714 61743 1425940037 1701 UDA1340 1245730357 1104 1425950018 1801 XC62EP32 1245730367 C1405 C1992 1425950096 1 1916 74VHCO8FT 1245730368 C1904 1425950126 1201 LR376481 1245730418 101401 0261 1245730480 01701 25 2412 1115760132 RESISTORS Q1601 Q1801 Q1807 2SA1314C 1245760001 R1707 R1708 1185810009 Q1253 Q1254 2SK1473 1245760016 R1969 1185810011 Q1451 Q1821 Q1822 1245760031 R1107 1185810057 Q1401 Q1403 RN2404 1245760032 R1804 1245810056 Q1251 Q1252 2SK2909 1245760042 R1614 1245810060 Q1802 Q1803 RN1406 1245760047 R1611 1245810079 Q1402 01404 01806 RNC1404 1305760402 R1716 1245810082 Q1804 Q1820 2SA1162G 1305760552 R1663 R1665 1245810086 D1251 D1252 5 0209 1 1245700005 R1805 1245810087 D1990 155372 1245700008 R1715 1245810105 R1610 1245810110 COILS R1927 1305810607 11251 47uH 1245850002 R1254 1305810608 L1101 L1701 L1702 10uH 1245850024 R1252 R1253 R170 R171 R196 1305810630 L1203 L190 4 7uH 1245850025 R1947 1305810671 L1102 L1201 0 47uH 1245850026 L1601 L1950 Ou 1246140023 R1223 1305810673 R1210 R1961 1305810907 CAPACITORS 1401 1404 1409 1415 1420 1305810908 R1426 R1428 R1454 R1456 R1474 1305810908 1112 61113 61114 61115 61116 1185930004 172 1729 1185930010 R1475 R1476 R1810 R1939 1305810908 C19
86. 14 XR A550MD MECHANISM UNIT PARTS LIST Mark No Description Part No 1 Plate HD BLK F513 811 1 Plate HD BLK F513 825 2 Motor Main BLK F525 324 4 enn 5 Clutch Assy BLK F522 037 6 Main Belt FF17G 31 T 8 Clutch Assy BLK F522 045 9 Roller Pinch BLK R F514 129 10 Roller Pinch BLK L F514 130 11 F R Belt FF18W 12 12 Plate Base BLK F512 127 13 Plate Base BLK F512 128 15 XR A550MD 3 SCHEMATIC DIAGRAM 3 1 OVERALL WIRING DIAGRAM S888 SYS FL HELLO DBDXJ TYPE XWZ3183 BEES KUCXJ TYPE XWZ3174 6 DISPLAY ASSY TAPE SPEED DECK MECHA 2 9 gt 5 19 1 70mm D gt DECK R P HEAD AZIMUTH DE207VEO 042901 52045 1145 4 D mi m 2 B 659909005006590 500900509095090909050 OIN vano ZL WA 915 vds ov 9943 dasa ov 73 lov 73 4103130 SW X79 80 v6ov 39 viva 5 SNN L LS viva XL 3588 X39 CAE Nado 3qISNI SHA vAVG asd ino os O2 SON 19 005004 CNo501 52045 5045 9 9 9 9
87. 15 50 190 C1913 M HB CN1904 R 151456 TRIE R1423 161401 TP1910 TP1906 TP1909 1415 C1401 HH 51 TRI210 120 D 1106 C 5 5 SCH age 5 eg 903 LOADING MOTOR 1102 TP1104 Bg 4 gt C1631 103 tibia 11019 e mia TP 29 1132 C1112 TP4142 1115 35 RiT05 14171229 e A XR A550MD Q1807 1801 01801 01802 01803 1802 101401 01402 1 1402 01401 1601 1101 waveform Nos pages 25 and 26 47 1 XR A550MD 4 5 MD MAIN MD FRONT and MD LED ASSEMBLIES FRONT ASSY SIDE 65 9 CONTACT 84522 0 0 XNP3018 B CONTACT SIDE 6 372 3404 9 ELRC 2 Via 9144 4252 C4210 0 KATON W140 145 CN4504 MISS giis 2 Leg oko 0791 5 CN4001 04251
88. 2 CN8001 FFC CONNECTOR B6B PH K S BS3P SHF 1AA HLEM22R 1 SLW15S 1C7 63 XR A550MD Mark No Description Part No Mark No Description Part No 01254 1610 1803 1806 1991 1245900038 MOTOR ASSY 1101 1255 1601 1602 1245900039 1605 1661 1802 1245940005 SWITCH C1715 1245940006 S8503 ASG7009 1106 1110 1953 1245950016 C1102 C1105 C1109 C1990 1245950017 OTHERS C1807 1265940014 J8502 JUMPER WIRE D20PWWO0405E C1801 1275950006 MOTOR PULLEY PNW1634 1722 1724 1305930530 CARRIAGE MOTOR VXM1033 C1954 1305930557 C1913 1305930558 1204 1205 1305930581 1604 1305930592 D SW ASSY C1107 1305950192 SWITCHES C1609 1305950261 8502 ASG7009 1700 1701 1711 1716 1717 1305950271 88501 5561017 1111 1305950274 C1403 C1412 1305950311 OTHERS C1720 C1952 1305950316 48501 JUMPER WIRE 6P D20PWY0610E 1656 1657 1305950331 C1964 1305950338 1103 1121 1202 1203 1206 1305950342 1207 1209 1210 1211 1406 1305950342 C1460 C1631 C1704 C1805 C1810 1305950342 5 MAIN Assy SS 3 SEMICONDUCTORS C1407 C1421 C1422 C1423 C1424 1305950393 1251 74ACTO2F 1245730043 C1145 1305950396 161990 74ACO4FS 1245730044 C1208 C121 C1401 C1402 C1425 1305950397 161906 TC7STO8F 1245730152 C1702 C1709 C1927 C1951 01955 1305950397 1 1907 TC9246F 1245730153 C1958 1305950397 1202 RH IX2474AFZZ 1245730207 C1706 C1707 1425900305 IC1402 8292944 1245730301 C1252 1425930040
89. 2 To CNP1603 Pi CNP1604 Rear MAIN ASSY 6P 2P Extension Connector GGD1181 Fig 7 Connection From Motor MD MECHA SWITCH ASS 28P Flat Cable GGD1180 T XR A550MD Spindle Motor position by inserting a screw driver into the adjusting hole of the disc motor check the resurge waveform While changing the attaching Adjusting Fig 5 Jitter Meter 1201 Pint TP1274 EFMMONO 1201 Pin88 GND O TP1275 Fig 6 From Magnet Head From Optical Pickup Service Extension Board GGF1320 89 XR A550MD EEPROM Content Table Focus Settings 6 4 2 4 EEPROM 1 1402 Writing Procedure 1 Procedure for replacing EEPROM and writing Control Settings microcomputer initial settings to EEPROM Item display Item display 1 Replace EEPROM FG CONTRL1 2 Short the IC1402 EEPROM 8 pin PROTECT and 2 pin Vcc CONTRL2 3 Refer to the latest EEPROM Content Table FF2 SPKLEVm 4 Short TESTMODE2 while the power is ON and engage the FZHLEV ADJTTM Test Mode 2 FOKLEVn HDEQAD 5 Version display FOKLEVf LDEQAD FOKLPFn GDEQAD L EEPROM version 2 WAITE LDEQBC Microcomputer ROM version GDEQBC Model code Spin Settings HALSG 6 Press the MENU button 7 times EEPROM_SET 7 Perform
90. 223 6202 ATF7011 06214 06403 2562714 L6206 L6208 L6403 LAU2R2J Q6404 2SK302 Q6401 3SK194 Q6204 DTA124ES TRANSFORMERS Q6205 DTC124EK T6201 ATB7008 T6401 ATE7002 D6202 155254 D6401 D6402 1 378 62 Description Part CAPACITORS C6208 CCSQCH100D50 C6212 C6274 C6275 C6408 CCSQCH101J50 C6412 CCSQCH102J50 C6221 C6222 C6416 CCSQCH150J50 C6271 CCSQCH200J50 C6415 CCSQCH330J50 C6406 CCSQCH331J50 C6401 C6419 CCSQCH5R0C50 C6407 CCSQCK1R0C50 C6410 CCSQCK2R0C50 C6413 CCSQRH180J50 C6414 CCSQRH8R0D50 C6405 CCSQTH150J50 C6234 C6235 CEAL1ROM50 C6245 CEAL470M16 C6224 CEAT100M50 C6243 CEAT101M16 C6231 CEAT1ROM50 C6227 CEAT220M25 C6214 C6236 CEAT2R2M50 C6262 CEAT3R3M50 C6219 CEAT470M10 C6244 CEAT470M16 C6249 C6250 C6265 C6266 4 7 50 6258 470 16 6215 CFTLA103J50 C6211 C6254 C6403 C6417 CKSQYB102K50 C6201 C6205 C6210 C6237 C6276 5 103 50 C6278 C6280 C6281 C6402 C6409 5 103 50 C6418 CKSQYB103K50 C6251 C6252 CKSQYB153K50 C6203 C6259 CKSQYB223K50 C6228 CKSQYB472K50 C6209 CKSQYB473K50 C6230 CKSQYB821K50 C6218 C6223 C6255 CKSQYF103Z50 6220 6226 6242 6256 CKSQYF223Z50 C6225 CKSQYF473Z50 RESISTORS R6280 RD1 4PU101J R6413 R6416 R6418 R6906 R6909 51 850 0 R6401 RS1 8S470J VR6201 10kQ PCP1029 Other Resistors RS1 10S 5 BN6202 TERMINAL 4P AKE7025 X6202 CERAMIC RESONATOR 551066 456kHz X6201 CRYSTAL RESONATOR ASS1093 7 2MH
91. 4 R8253 0 1 wl in 470 470 mie 05 3 3 254 08255 RES 44 2501858 2501858 SEA TA 1 GNDD CD 52151 0610 GNDD 1 496966 0 1 4 NOTES 5 5 5 1 Resistors ja Indicated Q 1 10W 5 tolerance unless PWYOG1 e 220 0540 otherwise noted k kQ M MQ J8501 2 Capacitors 9 9 Indicated wF voltageunless otherwise ZA noted Indicationwithout voltage is in 50V except electronic capacitors olo ro en 915 Electronic capaci tors 5000 ei 8 W ASSY AL CEAL Ge Ceramic capaci tors CKSQYFOO0O0Z Gi I 5 55 YB CKSQYB CH CCSOCH 58502 2 AWZ8429 3 Inductors LFAOOO Se ee ae aye 21 5 6 7 8 1 XR A550MD 3 4 PWB A MD MAIN ASSY and PWB B MD MECHANISM SWITCH ASSY e PWB A MAIN ASSY 1246840167 R1211 220 2
92. 5 CN3331 5 gs AKE7001 5555 E i gk HO 7 L_ asS E B 22 FRONT aa 88 gt Bee 5 R 8 nO 9 5 E 95608 7 21 25 2412 x 9 ess C asi S S 2SC241 2K ME P 5 9 E 2 4 03621 5 2 8 1 9 1 25410378157 03625 CHASS1SGND Med x 812 155133 B SEN 81 519 St 8 SI OVER LOAD 8 BAD Sch iod 3 25 1037 see e AY AC DETECT tam TA W211 85997 ae 117765 11 bc 550 2 XKN3001 AN J11 8 DEO15WFO 51063 1505 VH 58VDC CT 1 RS2LMFR22J qns GNDS R3601 v amp 1C11 1IC12 0 22 2W N E 7019 611 510 GBUA4DL 5303 E ze LATI gt T 2 raid 5 asx 58 56 D 22 2W lao 52 Du SIS lt gt 58 RS2LMFR22J E e E ee 55 LJ 5 9 SETA 55 5 053 35 55VDC i 1022 D72 8 8 LI 857 556889 eor 9 e a 19 Z gt t 7 VFDPAC 0 55 850 ics C73 amp 5 12 5568 9 SA Bek ens 2 10 100 8 UNREG 1 2 6 556880 amp a ES o8 GND 5 856888 5 5 25 unreats 6 x 150 41 7016 556886 g 55 I rFLAc1 C45 Su A 5 S b i Ex 3
93. 5 Y u FFC 5 2 AbE7010 MOTOR ASSY ADD7038 i i EE ed Uo AWZ8428 9 9 9 9 O 0 Or 09000006 CARRIAGE MOTOR vr 1 1 20 1 s ke bk jr m lt 0 20 TES SE Loo 24 5 SPINDLE INSIDE SLED 2 m 1 1 MOTOR SW MOTOR 1 1 F FAR AEA7009 7011 7010 2 T OUTSIDE po PICK UP SERVO MECHA e GENEE Eed SERVO MECHANISM ASSY 7039 1 1 567009 le ILI I o 38 E ee ee es 1 2 3 a A
94. 57 1185940013 C1956 1185940016 C1654 1655 1185950005 64 Description R1106 R1261 R1262 R1263 R1266 1305810909 R1405 R1414 R1416 R1422 R1423 1305810909 R1424 R1429 R1430 R1459 R1461 1305810909 R1463 R1471 R1478 R1650 R1652 1305810909 R1662 R1664 R1965 1305810909 R1408 R1412 R1473 R1651 R1653 1305810910 R1712 1305810910 R1655 R1657 1305810912 R1658 R1660 1305810914 R120 R1211 R1221 R1464 R1466 1305810918 R1968 R1974 1305810918 R1994 R1995 1305810919 R1962 1305810920 R1406 R1407 R1413 R1452 1305810922 R1809 1305810924 R1105 1305810925 R1102 1305810927 R1155 R1612 1305810928 R1458 R1460 R1462 R1654 R1656 1305810929 R1668 R1669 R1964 R1973 1305810929 R1702 1305810930 R1255 R1269 R1620 R1921 1305810934 R1801 1305810935 R1418 R1472 R1617 R1734 R1735 1305810937 R1202 R1701 1305810944 R1427 1305810946 R1609 R1963 1305810948 1201 1305810949 R1150 R1154 R1666 R1667 1305810950 R1717 1305810952 R1802 R1827 1305810957 R1613 R1808 R1811 1305810989 R1425 1305810990 R1711 R1713 R1714 1305810992 R1281 R1731 R1733 R1967 1305810994 R1251 1305810995 R1659 R1661 1305811002 R1710 1305811041 R1100 1425810093 R1166 1425810154 R1820 R1821 1425810157 R1806 R1807 1425810196 OTHERS CN1101 23P PLUG 1245100161 CN1601 5P PLUG 1245100162 CN1602 2P PLUG 1245100163 CN1604 2P PLUG 1245100164 CN1902 24P SOCKET 1245100165 CN1252 2P PLUG 1425100204 CN1904 4P PLUG 1425100223 CN1603 2P PLUG 1425100236 X1201 CRYSTAL RESO
95. 8 585 548 age 5 8 EA amp 5 4201 10k GNDA BER gue 42 5 ALC operates from 2Vrms Zei 5129 whtch 1 the output of REC AMP Both channels Q4203 Rede R4218 L S 4 Ee Gs Ea to 5 2502114 k k k Q4204 8 Sax 18 sleg 84220 e Spe 1K 04204 are SUE 2502114 YW DER IS Sie 4 100p 94206 SS als R4202 x 2502114 VW 55 5129 10k 2 10 50 g C4202 55 S 1 1 7 SIS 4 2 88 14 842244232 104201 2 2 5 15 2 2 54 NuM4558MD 104202 2 2 44558 4 5 Vref 6VDC gas S I 4201 MTZJ6 2A SIS L S PB C4238 5 ano Kass gt 5750 R R4245 vas 2v 10k C4221 cese R4233 C4223 R4239 0 Rf aw 2 2 50 27 10 50 2 Pa MD 3 4 100 Rox 84235 112 104209 R423721 642251 VA 12 5 925 2502114 100k Cd d 104203172 PB L BVDC tele 22K 2200p 7 a L NJM4558MD bd hd NS NJM4558MD sd R4234 N 4 558 8 24256 104203 2 2 2 2 S 100k C4222 R4232 C4224 St e e e 10 50 12 2 2k 10 50 5 PB MUTE 5 2 Me gt 8 KR DTC124 5 m 6 7 8 8 XR A550MD e 5502 423 CN3002 423 CN3001 29 1
96. 901 20088 e CDDATA Be 2T TP1902 1 DIGOUT DRE 5 6 ps Qc _ TESTS P1273 0 amp 9 GND gaz 92 1904 am 235 1279 ol 3LDRR R1261 orr 809 x d EXPORTO 81258 ORR 2 10 2585252296599 22995 1 1 e 63690363696 3636302636363 lt 44 C1954 P 1 81963 VDD 1221 1 220 LOCK Ges D ss 52 z 2 8 Ert 1 Ze 2 1 88 S 2 1215 7 DS 81968 i o 82 jess 220 AAAA 5 595 1 1907 D TC9246F amp 606 GENERATOR 82855 28488 101202 E d 1 IX2474AF 9 61992 EE 4M bit D RAM 9 0 E 19 01 19222 508968 LS 2 01880 t 90303090 0907090900 5 CT 158372 gt 1 5455 x 8 9 Lu FERE D Cate T MD PLAYBACK SIGNAL 5 1 8 ay MD RECORDING SIGNAL 1 mt 5 101990 ES 74AC04FS ee 81712 100K 1 017 6 L 8 rz 9 1 2v 8 o 81423 D ease AD DA CONVERTER 1 27 0 047 E 81424 5 1418 9 es 1 47K 191715 1701 1701 581 22 4 XRST 1702 0017 L3CLK Eu L3MODE 5 v SI C1743 Miz 1 gt 001 se 11702 R17 ge m i 1 81478 11701
97. 95 18 Planet Gear ANW7096 19 Actuater ANW7097 20 21 15 F F C 30V ADD7038 22 Connector Assy 6P ADE7010 23 Float Rubber AEB7063 24 Float Rubber B AEB7066 25 Servo Mechanism Assy 7039 26 Screw IPZ30POS0FMC 27 Carriage Motor VXM1033 28 Motor Pulley PNW1634 29 Haha GEM1016 30 Cushion Rubber XEB3003 XR A550MD 2 6 SERVO MECHANISM ASSY SERVO MECHANISM ASSY PARTS LIST Mark No Description Part No 1 Servo Mechanism AXA7039 2 SPINDLE MOTOR Assy AEA7009 3 GLEAD MOTOR Assy AEA7010 4 GearA AEA7013 5 GearB AEA7014 6 Screw AEA7015 7 Screw AEA7016 8 Screw AEA7017 9 Screw AEA7018 10 Leaf Switch AEA7011 11 XR A550MD 2 7 MD MECHANISM ASSY omm 22 12 MD MECHANISM ASSY PARTS LIST Mark Description Part No 1 Loading Gear Shaft 1242900108 2 MD Guide 1242000209 3 Frame 1242000210 4 Flat Cable 5P CW1901 1245120287 5 Cartridge Holder 1242140138 6 Plate Lever 1242480122 7 H A Shift Arm 1242480123 8 Holder Arm 1242480124 9 Roller Arm Lever 1242480125 10 Camper Lever 1242480126 11 Catch 1242480127 12 Slider Lever 1242480128 13 Roller Holder Spring 1242580157 14 Spring 1242580159 15 Shift Arm Spring 1242580053 16 Holder Arm Spring 1242580054 17 Rack Spring 1242580055 18 Catch Spring 1242580094 19 Spring A 1242580160 20 Drive Shaft Spring 1242580161 21 Roller Arm Spring 1242580
98. 99 i gt Ema 10k 25 2412 me lt 9 5 Ste gd 88 87 N AC ios 5 5 85515 8 8 Sale 6 5 R i d 22k 58 828 BE BS Cot 5 S DATA 222 ES 2 2 L 8 195 21 EX GNDD AC 62 00 2 lo 5512 85511 ey ls CH 22k MM S o IF KO D 10 IN 0101 1010 IN Ke 55558558 8 815 IB 5085 22 GNDD ou e 85920 Jon RESET 28 3 SE 8 Uns vata 83521 WAL CD 772 Sgt MOTOR B eg 2 gt a GE EE RESER CD DRF DRF A 88 4 2 82 so 15 1 155155 4 5 DATA OUT s cLkKE EXP CLK SCAN E Ed 55 EXP DATA 527 5 65 b m EXP CrO2 1 826 L 19 ei LED s25 5 3 d SS LED2 47216 015 o IN 4 ZS 4 gj LEDS HALF41 824 E 4 955187 0 047 5 5 GNOD c 525 6 R5510 XRESET sys MODE1 822 18k i5 PULSE1 u COM 82118 R553157 xssei REED t NW 1C5501 ARR S20 8551050 5 1M Koo i5 551 PDCO55A 018C123 519 0 4 5 1 255 9 INS 10E 518 8 eww 1 517 f 9550 5 1 CLAMP S16 ni 55429 1 A D 56 4 6p 550 H a e Be wo EIS RI 5 5 A D 14 2SA1037K 2 588094 0 ST TUNE A D 51500
99. A550MD MAIN SECTION 4 001 200 55 LC75394NED SURROUND BLASTER TUNER MODULE k FUNCTION MIX AMP mW 164203 zm 208 ee 5 NJM4558 Ww I GASS Vref ur ToRch From ch emt 1 DECK 4 FUNCTION Q2301 E m DECK PB HA12136AF DOLBY NR Vref Vref Vref 110 4 103301 POWER 7 D MAIN VOL 62 60 2 1 4201 1 4202 NJM4558MD STK407 050B 42dB 4 2301 XR A550MD FRONT TOTAL GAIN 29dB V HEAD PHONE CN3901 TAPE MPX Nw Ww zT HA12136AF VR2301 Di Vref Vref HOLEN NE Vref 12211 DECK REC Vref 111 XR A550MD 8 PANEL FACILITIES AND SPECIFICATIONS 8 1 PANEL FACILITIES 1 DISC 1 select button amp indicator 2 DISC 2 select button amp indicator 3 DISC 3 select button amp indicator 4 DISC CHANGE button 5 OPEN CLOSE button 6 Display 7 CD disc tray CD Function button 9 TUNER BAND Function button TAPE Function button 17 MD function button 12 AUX Function button 13 TIMER indicator Lights in Standby mode when the system has been set for timer operation STANDBY indicator 5 STANDBY ON swit
100. ANS Assy See Contrast table 2 30 Binder ZCA SKB90BK NSP 31 Spacer 7080 32 Fuse Caution Label See Contrast table 2 A 33 Fuse FU2 FU3 T1 6A See Contrast table 2 XR A550MD KUCXJ and DBDXJ are constructed the same except for the following Part No Remarks Symbol and Description KUCXJ Type DBDXJ Type XWZ3172 XWZ3181 XWZ3173 XWZ3182 XWZ3175 XWZ3184 XTS3030 XTS3028 REK1082 Not used AF Assy SECONDARY Assy PRIMARY Assy Power Transformer T1 Fuse FU1 4A Fuse FU1 T3 15A Rear Panel MD MAIN Assy MD SUB Assy SUB TRANS Assy AEK1059 XNC3032 XWZ3186 XWZ3188 XWZ3185 Not used XNC3031 XWZ3177 XWZ3179 XWZ3176 E 9 9 A 9 9 9 XAX3132 Not used Fuse Caution Label Fuse FU2 FU3 T1 6A Not used AEK1056 gt XR A550MD 2 4 FRONT PANEL SECTION Refer to 2 8 MECHANISM UNIT XR A550MD 1 FRONT PANEL SECTION PARTS LIST Mark No Description Part No Mark No Description Part No 1 DISPLAY Assy See Contrast table 2 21 Damper Assy AXA7052 e 2 MD FRONT Assy See Contrast table 2 22 Flap Holder XMR3004 e 3 MDLED Assy See Contrast table 2 23 Front Panel Assy XXG3018 4 Flexible Cable 11 XDD3020 24 Function Button XAD3020 25 Button XAD3010 6 Flexible Cable 13P XDD3021 26 Eject Button XAD3023 7 Flexible Cable 11P XDD3019 27 FL Window MD 070 8 Flexible Cable 38P XDD3004 28 Deck Lens
101. C2805 CEAT330M16 C3082 CEAT330M50 C3045 C3046 C3091 CEAT470M35 C3021 C3022 CEATR10M50 2203 2204 CEATR22M50 C3011 C3012 C3325 CEATR47M50 C3027 C3028 CFTLA334J50 C3023 C3024 CFTLA474J50 C2802 CKCYB681K2H C5892 CKSQYB102K50 2315 2317 2318 03053 3057 CKSQYB103K50 C3083 C3098 C3651 C3654 CKSQYB103K50 2191 2193 3055 03099 3991 5 104 25 C5891 CKSQYB104K25 C2194 CKSQYB105K10 C3033 C3034 CKSQYB122K50 C2208 C2209 CKSQYB152K50 C3315 C3316 CKSQYB222K50 C2323 C2326 CKSQYB223K50 C3029 C3030 CKSQYB273K50 C2808 C2809 CKSQYB332K50 C2807 CKSQYB472K50 C2307 C2308 C3013 C3014 CKSQYB681K50 C3019 C3020 C3031 C3032 CKSQYB682K50 C3025 C3026 CKSQYB683K25 C3331 C3333 CKSQYF104Z50 C2801 CQHA822J2A 2210 2211 CQMBA103J50 C2806 CQMBA223J50 RESISTORS R72 RD1 2LMF222J R2812 RD1 2LMF270J R2813 RD1 2LMF471J R2809 RD1 2LMF4R7J R3333 R3334 RD1 4LMF100J R3353 R3354 RD1 4PU101J R73 RD1 4PU103J R3317 R3318 RD1 4PU683J R3665 RD1 4PU822J R3663 RS1LMF151J R3652 RS1LMF470J R3991 R3992 RS2LMF331J R3601 R3602 RS2LMFR22J VR2303 VR2304 10kQ VCP1156 VR2301 VR2302 100kQ VCP1162 VR2801 VR2802 220 VCP1164 Other Resistors RS1 10S 67 XR A550MD Mark No Description Part No Mark No Description Part No OTHERS Dy CABLE HOLDER 15P 51063 1505 SUB TRANS ASSY CN1052 22 FFC CONNECTOR 52045 2245 1 CONTRAST TABLE CN5102 38 FFC CONNECTOR 52045 3845 CNS Ap JUMPER CONNECTOR 52147 041
102. CD ADDITIONAL TO JOB Mechanism Base Bottom View Front Side ex 2 97 XR A550MD Clamper Holder 2 Actuater Actuater Servo Base Servo Mechanism a Servo Base MFITTING THE PULLEY INTO THE CARRIAGE MOTOR For replacement of the carriage motor fit the motor pulley by using the servicing pulley press in station located on the loading tray as shown in the figure on the right 98 Carriage Motor Motor Pulley Servicing pulley press in station Loading Tray XR A550MD WMD MECHANISM ASSY AF ASSY Sr 2 T1 Front Panel CN4505 MD MAIN ASSY MD Mechanism Assy Top Cover MD SUB ASSY x2 Refer to MD MECHANISM SECTION Bottom Cover 99 XR A550MD MECHANISM SECTION e Removing the Magnetic Head Fig 1 1 Remove a Screw A1 CAUTION Take adequate caution not to damage the Magnetic Head during reinstallation e Removing the Cartridge Holder Fig 2 1 Open the roller arm lever in the direction of the arrow and lower the clamper lever until it reaches the unit rear 2 Apply 45V to the red wire side of the loading motor blue connector and push the rack gear in the direction of the arrow moving it until the cam plate lever starts to clatter 3 Remove the screw B1 x 1 and spring B2 x 1 holding the holder arm in place and r
103. CK 2 gt 15 recording playback operations correct OPERATIONS Power of MD does not turn on When disc ls inserted the power tum ON YES Check the remote controller and the substrate of the MD MAIN Assy NO Is 5 6V supplied to Pins 15 and 16 of CN1902 gt Check the substrate of the MD MAIN Assy and CN1902 Are pulses supplied to Pin 5 of CN1902 when the reset gt Check the substrate of the MD MAIN Assy and 1902 power turned ON pe 5 Is Pin 62 of IC1401 set 3 2V gt Check IC1401 pe NO Is a pulse of 8 4672MHz applied to Pin 15 of IC1401 gt Check 1 1201 YES Are pulses output from Pin 34 of IC1401 gt Check 1 1401 p Check CN1902 and the substrate of the MD MAIN PCB Assy 104 Disc loading is incorrect YES NO Does either Pin 30 or 31 of IC1601 change dE Check the CN1604 YES Does the system eject when the MD removal button is pressed Te The disc table retracts after ejection is completed pe Check CN1601 and SW1956 The system does not playback The system play back neither reflection discs gt XR A550MD Check CN1601 and SW1956 Is disc loaded when it is inserted MES Is Pin 4 of CN1601 set to L dE NO Does either Pin 23 or 24 of IC1601 change Check 161401
104. D written in ASCII codes in TOC is incorrect Disc type written in TOC is not pre mastered MD recording MD or hybrid MD Disc is outside specifications Replace with different disc and check DISC FULL No recordable space when attempted to set REC PAUSE Replace with different disc with recording space PREMASTERED Disc only for playback was loaded when attempted to set REC PAUSE or edit Disc is for playback only Replace with disc for recording PROTECTED Attempted to record or edit even through REC proof knob of disc for recording was in the REC proof state Attempted to edit track with write protect according to information on UTOC Track attempted to be edited is write protected Try again with different track Restore the REC proof knob and try again t EDIT Editing conditions were not satisfied for each editing function Operating method is wrong Try again using correct method TEMP OVER Temperature inside unit MD unit was too high due to fault Check according to TROUBLESHOOTING DISC ERR 102 Data read was incorrect or could not be read properly Error occurred during music data recording and recording could not be performed correctly Faulty TOC or UTOC data or scratch on disc Replaced with other discs Error Display UNKNOWN DISC Details of Error TOC read was incorrect or could not be read properly XR A550MD Measure The TOC data
105. E 26 XMDRESET BN OO Domo SYS u COM reset MD u COM each turning on 2220 PDWN CN4102 B3B PH K R 423 AUX DIGITAL INPUT SELECTER CN1054 TI cHassis CN1904 Dag ae I 7 04012 04015 04014 04015 0 2 1 OUT ER i Mi Ni Ri 1 perl IL SBGND 155565 185355 155555 155355 2 15 x 12 4 R4557 4 11 ka y DD G 10 IN Ja 5 gt oe 1 1 23 edis 84543 21 o 0 P DOWN JO Sgr 5 8 ST S lt BACKUP 0 ist 4 4 t G EES PRESET 92 MDRST E peor 51 R4599 R4554 Sit DE 1246 3 33 lt co 5 5 A Sci ES T 5 MTZJ5 1B Roo BSCK SERCH O SERCH REE d a KDATA AAA DD DD 5 to 5V LEVEL SHIFTER O O pE 9 E DSTB Qpe lt gt 70 1 1 5 DGND Q 1 4505 o Gun lt 72 MD_VD TC74HCOBAE X XL DGND Lcasig MD_VA 9 DGND 43 GNDMIT 01 1 e 2 DGND 9 68 2 15 DVDD 89 1 0 4 6 3 12 T 2 ee DVDD o VD 5 4 1 2 LOAD 22 d 0 10 LIN lt mE 8 1 09 GND 9 2 B DSTB RIN Ga E m p T AD GND MD LOUT gt a Full Scale ADD D Ix RD m i 1 34dBv XMUTE A_GND 9 ROU 04020 a 1 CN4002 7 1 1902 VKN1 200 7
106. EEPROM recording value Predicted value when measured with microcomputer when temperature is 25 C Microcomputer measured value Predicted value when measured with microcomputer at a certain temperature Correction value Correction value for converting to 25 C measured value see Table at left Temperature Code Confirmation After AUTO Adjustment has been completed the temperature code will be read If it is within the ranges below it is OK Ambient temperature Temperature Code 34 6 C to 39 0 C 03 H 18 2 to 30 3 06 39 0 C to 42 8 04 H f CONTROL Setting Setting Method 6 3 to 18 2 07 Remarks Display Test mode STOP state ttmOOOO0eOO Press the MENU button 7 times EEPROM Setting Menu EEPROM SET Press the lt P button Focus Setting Menu Focus Press the MENU button 5 times CONTROL Setting Menu _Control__ Press the lt P button CONTROL 1 Setting CONTRL1 91 Press the MENU button CONTROL 2 Setting CONTRL2 Press the MENU button Spin kick level setting during Move SPKLEVm 44 Press the MENU button Readjustment interval minutes setting ADJTTM Press the MENU button Equalizer coefficient A D high reflectance setting HDEQAD_ Press the MENU button Equalizer coefficient A D low reflectance setting
107. FLAC2 C46 55058 L KEREN m T ac 544 550886 H GNDD CN41 52147 0310 Kee E 5 6 AC1 HT POWERON OFF N81 52147 0410 218 SUB TRANS Ass y aa SECONDARY ASSY KUCXJ TYPE XWZ3173 81 4001 DBDXJ TYPE XWZ3182 K 3 3 37 5 6 7 1 XR A550MD 3 10 PRIMARY and SUB TRANS ASSEMBLIES DBDXJi ONLY 110 127 240 220 230 1 1 s 7 6 f e b icy 4 1 1 8 5 111 een aa ooo EE 1 5 ege ND 4 1 1 2 2 IKUCXJ DBDXJ e peoxs Tol i Lic 3 160513 69515 1 8 1 1 i 1 L i W314 3516 7 Log 3 1 9 24 G NETT EE 1 1 1 2 12081 1201 SUN G i W304 Giu W307 1 7 0 0 O a 2 ME ETE ys 3 oi 1 W327 ONLY Or Ranma A 1 Te 587018 ASR7 1 9 OA 00 STBY ICS NJM78M 5FA UT IN 081 mae Agr 556886 433 GNDD SEN 982 2 CN81 2501859 gt 1 5568 085 POWER ZoFFI 9
108. GNDD 22084518 28 eu GER al serch gt MORT R4521 m 220 Ge R4510 al XREC MUTE XREC_MUTH ANM gt S cLK 4 845224220 E cu a 5 D D GNDIn4523 47 o N k a 2 84524547 MD MAIN ASSY Bq 84525 220 DSTB 191 R4526 220 LOAD KUCXJ TYPE XWZ3177 1 45 2 LOAD a ee TYPE XWZ31 s 5 ge PDG244A N R4529 22k FL_CLK FL N E AW 5 Koar 0 KDAT R4511 4 iS R4531 1220 coirc Aw 5 MODAT jo 4 DSCK 220 0016 DSCK XMUTE R4512 45 UXDIG XMUTE Er VD 5 AUXD1G 84559 CN4503 220 Si amp BATA 84534 4 1220 Se DAE 52045 1145 8 S DATA mt gt 00 5 VDO 5 E E 4 4556 220 EC 4 o5 ER 04957 229 PES FL RESET E RESET R Be gt BLS passes 220 K a FL CS TEST2 Ww k Et AW Ny CS 9 E tha wre DTC124EK TEST2 NIN IN IN IND IO Im IO IND IND IND ei 19 9 GNDD STR Soe Joc i JOG2 VU 5 FL_RESET R4543 _ 2 2k 2 FL_CLK 4501 REQ FL 6 FL CS 84551 2 2 E 9 ee 534 KEV FL DATA OH EL DATA 4 FH IM N ES FLAC 2 Q 25222 S alt jg FLAC 1 69 1 gt 8 4 amp ds en 5 B gt 5 lt ed 5 M MU DI 77 1 gt 5 9 4542 TEST GNDD E NAA
109. LDEQAD Press the MENU button GDEQAD 94 Press the MENU button Equalizer coefficient B C high reflectance setting 99 Press the MENU button Equalizer coefficient A D low reflectance groove setting Equalizer coefficient B C low reflectance pit setting LDEQBC_ 85 XR A550MD e CONTROL Setting Setting Method Remarks Display Press the MENU button Equalizer coefficient B C low reflectance groove setting Press the MENU button Auto level slicer gain high reflectance setting HALSG___ Press the MENU button Auto level slicer gain low reflectance pit setting LALSG___ Press the MENU button Auto level slicer gain low reflectance groove setting GALSG 91 Press the MENU button Auto level slicer offset high reflectance setting HALSOFS_ Press the MENU button Auto level slicer offset low reflectance pit setting LALSOFS Press the MENU button Auto level slicer offset low reflectance groove setting GALSOFS Setting Method Remarks Display EJECT status or No Mechanism status _ Press the DISP CHARA button CONTROL 1 setting CONTRL1 Press the MENU button CONTROL 2 setting CONTRL2_ Set value If the gt button is pressed while a setting item is being displayed the set value will increase and the new set value
110. NATOR 1246160018 33 8688MHz Mark No Description XR A550MD Part No EICH MD MECHANISM SWITCH ASSY SWITCHES 51954 51955 51952 51956 51953 RESISTORS R1902 R1903 R1904 R1901 OTHERS CN1901 5P SOCKET e main assy Although XWZ3177 and XWZ3186 are different in part number they consit of the same components PARTS LIST FOR XWZ3177 SEMICONDUCTORS COIL 1C4201 1C4203 104502 104101 104503 04203 04206 04209 04210 Q4208 Q4501 D4012 D4015 D4201 D4202 D4101 D4203 L4502 CAPACITORS C4104 0 047F C4203 C4204 C4213 C4214 C4211 C4212 C4207 C4208 C4201 C4202 C4205 C4206 04209 4210 4218 4219 C4221 C4224 C4238 C4228 C4538 C4227 4231 4234 C4220 04520 4599 C4229 C4511 4020 4101 4103 04509 4510 04515 4517 4519 4521 C4105 C4518 C4235 C4236 C4225 C4226 C4512 C4514 1245300026 1245300027 1305301313 1305301315 1305810605 1305810618 1305810732 1245100160 NJM4558MD PDG244A TC74HCOOAF TC74HCO8AF 2502114 124 155355 MTZJ5 1B MTZJ6 2A LAU470J ACH1246 CCSQSL101J50 CCSQSL220J50 CCSQSL470J50 100 50 100 50 100 50 101 25 101 50 CEAT1ROM50 CEAT2R2M50 CEAT330M25 CEAT470M16 CEAT470M25 CEAT471M6R3 CKSQYB103K50 CKSQYB103K50 CKSQYB104K25 CKSQYB153K50 CKSQYB222K50 CKSQYB471K50 65 XR A550MD Mark No Description Part No
111. OR XWZ3176 SEMICONDUCTORS 1081 NJM7805FA Q81 2SD1859X D85 D88 D90 155133 D81 D84 S5688G COIL A L1 ATF 151 TRANSFORMER T2 ATT7027 RELAY RY81 ASR7018 CAPACITORS C83 CEAT100M50 A C82 CEAT102M25 RESISTORS A R1 2 2MQ RCN1080 Other Resistors RD1 4PU 5 CABLE HOLDER 51048 0400 A AN1 AC INLET 1P AKP7032 H1 H2 FUSE CLIP AKR7001 481 JUMPER WIRE D20PYY0425E KN1 EARTH METAL FITTING VNF1084 v DISPLAY ASSY 1 CONTRAST TABLE XWZ3174 and XWZ3183 are constructed the same except for the following Part Symbol and Description XWZ3174 XWZ3183 Remarks 125557 185385 _Notused 2 PARTS LIST FOR XWZ3174 SEMICONDUCTORS 1 5501 PDCO55A Q5501 25 1037 Q2903 Q2908 25 1132 Q5503 Q5604 Q5801 25 2412 02910 DTA124EK Description 95606 DTC124EK Q2901 Q2907 Q5502 Q5601 Q5603 DTC143EK Q5605 Q5821 DTC143EK D5631 D5811 155133 D5551 D5554 D5562 D5564 155181 D5566 D5568 155181 D2901 D2903 D5569 D5570 D5597 155355 D5626 D5901 155355 D5602 D5617 D5620 SLP3118C51H D5601 SLP7118C51H D5603 D5604 D5621 SLP9118C51H COIL 5811 0220 SWITCHES 5951 ASX7004 5952 ASX7017 591 1 S5936 S5942 563001 CAPACITORS C5812 0 047F 5 5V ACH1246 C5821 CEJA100M16 C5803 CEJA1ROM50 C5510 C5811 C5814 CEJA470M16 C5804 CKSQYB102K50 C5995 C5996 CKSQYB103K50 05816 5997 5999 5 104 25
112. PU 4 7113 0 5 Q RN2H 151 0 1 10 Ex 2 When there are 3 effective digits such as in high precision metal film resistors 5 6200 lt gt S62 10 gt SORI eege RNIAPC 51 612 1 LIST OF WHOLE ASSEMBLIES Part No PCB Assemblies XR A550MD Remarks KUCXJ Type DBDXJ Type FM AM TUNER MODULE AXQ7065 AXQ7065 M MECHA CD DIGITAL ASSY 006 XXA3006 SERVO MECHANISM ASSY XWX3005 XWX3005 CD ASSY XWZ3141 XWZ3141 SW ASSY AWZ8429 AWZ8429 MOTOR ASSY AWZ8428 AWZ8428 MD MECHANISM ASSY AXA7054 AXA7054 PWB A MD MAIN ASSY 1246840167 1246840167 PWB B MD MECHANISM SWITCH ASSY 1245210149 1245210149 NSP MD ASSY XWM3075 XWM3076 MD MAIN ASSY XWZ3177 XWZ3186 MD FRONT ASSY XWZ3178 XWZ3187 L MDLED ASSY XWZ3180 XWZ3189 MD SUB ASSY XWZ3179 XWZ3188 MAIN ASSY XWM3079 XWM3080 L AFASSY XWZ3172 XWZ3181 SECONDARY ASSY XWZ3173 XWZ3182 COMPLEX ASSY XWM3083 XWM3084 H PRIMARY ASSY XWZ3175 XWZ3184 9 SUB TRANS ASSY XWZ3176 XWZ3185 amp DISPLAY ASSY XWZ3174 XWZ3183 Mark No Description Part No Mark No Description Part No COILS AND FILTERS F Fuam MODULE 16401 1020 SEMICONDUCTORS 6409 1021 6201 LA1832ML F6204 ATF 107 IC6202 LC72131MD F6203 ATF 119 Q6402 25 2
113. Pioneer Service Manual COMPACT MINI COMPONENT ORDER NO RRV2107 55 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S Model XR A550MD AC120V Power Requirement The Voltage can be converted by the following method O AC110 127V 220 230V 240V CONTENTS 1 SAFETY INFORMATION ri ian ec ec RT DR e 2 2 EXPLODED VIEWS AND PARTS LIST 3 3 SCHEMATIC DIAGRAM ES 16 4 CONNECTION DIAGRAM Ed NEEN 42 PARTS LIST LLL IL 62 6 ADJUSTMENT Mise E EE EE EE E NN 70 With the voltage selector GENERAL INFORMATION NEE 92 5 RENE 92 7 1 1 EE EENS 92 7 1 2 DISPLAY EI eee eT 94 7 2 DIAGNOSIS TEC ELTE Eege 96 7 2 1 DISASSEMBLY el 96 7 2 2 DETAILS OF ERROR DISPLAY 102 7 2 3 TROUBLESHOOTING Ge eege 104 7 3 BLOCK DIAGRAM T 109 PANEL FACILITIES AND SPECIFICATIONS 112 PIONEER ELECTRONIC CORPORATION 4 1 Meguro 1 Chome Meguro ku Tokyo 153 8654 Japan PIONEER ELECTRONICS SERVICE INC P O Box 1760 Long Beach CA 90801 1760 U S A PIONEER ELECTRONIC EUROPE Haven 1087 Keetberglaan 1 9120 Melsele Belgium PIONEER ELECTRONICS ASIACENTRE PTE LTD 253 Alexandra Road 04 01 Singapore 159936
114. Q2301 Q2302 25 368 03313 DTA124EK Q2104 Q2105 Q3314 DTC124EK Q2103 Q2306 Q2802 Q2807 DTC143EK Q3351 IRFI9Z34G Q3352 IRFIZ34G D3301 D3302 1SR139 100 D2191 D2301 D2306 D3351 D3354 155133 D3361 D3362 D3601 D3603 D3604 155133 D3621 D3622 D3625 D3626 D3652 155133 05891 073 155133 D2102 D2103 D2201 D2202 D3051 155355 D3081 D3082 D3084 D3653 D3654 155355 03355 03356 20 2 D3357 D3358 MTZJ10C D35 D36 MTZJ15C D3359 D3360 MTZJ18B D3651 MTZJ3 9B D74 MTZJ33C D3363 D3364 MTZJ39C D2001 MTZJ6 2A D48 MTZJ6 8C D75 MTZJ8 2B A D72 D76 S5688G COILS AND FILTERS L3331 L3332 ATH 133 L2801 ATX7002 L3002 LAU100J L2301 L2302 LTA822J F2201 F2202 RTF1209 RELAY RY3601 ASR7008 CAPACITORS C2303 C2304 270pF ACG7024 C2301 C2302 CCSQCH100D50 C3047 C3048 CCSQCH101J50 C2192 CCSQCH390J50 3319 63320 CCSQCH3RO0C50 C3311 C3312 CEANL1ROM50 C3317 C3318 CEANP220M35 C3621 CEANP2R2M2A 03313 03314 CEANP2R2M50 C73 CEAT100M2A 2207 02803 2810 33 035 100 50 C3602 C43 100 50 C3056 CEAT101M10 2002 2316 101 16 C3652 101 35 Description Part C3303 C3304 CEAT101M50 2312 2313 32 42 CEAT1ROM50 C3653 CEAT220M35 C2106 C2214 C2215 C2321 C2322 220 50 C72 CEAT220M50 C2001 C3601 CEAT221M16 C71 CEAT221M63 A C41 CEAT222M25 A C31 CEAT222M35 C2201 C2202 C2205 C2206 CEAT2R2M50 C2212 C2213 C2319 C2320 CEAT2R2M50 C3005 C3010 C3015 C3018 CEAT2R2M50 C3039 C3040 C3655 CEAT2R2M50 C2804
115. SIGNAL ROUTE e2a sok g X32 PES b PB AUDIO SIGNAL ROUTE 20018 ee 999999999 MD PB SIGNAL ROUTE van oa C MD REC SIGNAL ROUTE 5 854 n8 S uS rix PB 58 Te BSS DECK PB SIGNAL ROUTE 5 Ree 15 CG DECK REC SIGNAL ROUTE SIT CD HH C CD AUDIO SIGNAL ROUTE J 2 TA 0 01 C TUNER AUDIO SIGNAL ROUTE 484 709 GNDA TX mH vnz Loose e o osa 2 SPEED CONTROL ay Bs Bye More than 1W total R3664 suas nls FAN rotates In high speed FAN A o R3665 E 3667 Ay yc 03653 B 2k 1748 25 8 10k 155355 2881258 er EN 28C2412K 10k 155555 41 lt 433 03652 9 8 551 48651 21948 2 XDX3002 ges Sr 5 EFS A asoso 2881238X 2 7 05651 25 2 1 ale 05651 2 1 MTZJ3 9B lt wnreceno CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491 200 MFD BY LITTELFUSE INK FOR IC3651 AEK7023 GNDA gt
116. V CH3 5V CH4 5V Ps Filter DC 10 1 DC 10 1 10 1 10 1 SMOOTH OFF To BW FULL S Ps Offset i CH1 0 000V T CH2 0 000V 4 i CH3 0 000V 4 0 000V 1218 EN D Ps Record 10K Zoom 100 Detay i 0 00s TP1607 iul 1 Hold SLD S MIN pros 510 is div Ps Trigger AUTO ee EDGE Stopped NORM 200 5 6 3 1V DC 10 1 1997 08 04 14 44 01 Ps Filter SMOOTH ON BW FULL a Offset CH1 0 000V CH2 0 000V CH3 CH4 25 000V CH3 200mVCH4 200mV 5s div 10 1 DC 10 1 Record Len Main 10K Zoom 20 Ps Detay 0 005 PS Hold Off MIN pem Trigger AUTO EDGE CH2 Y 1606 D A CONVERSION PLAY NORM 100M S s q Stopped 1997 08 04 10 03 45 Ps Filter SMOOTH OFF BW FULL 4 Offset m CH1 0 000V CH2 0 000V CH3 0 000V 0 000V Record Main 5K Zoom 50 Ps Detay 0 000 000 00s PS Hold Off MIN Ps Trigger eum NORMAL EDGE 1 2V CH2 2V DC 10 1 DC 10 1 LRCK Ba H Sus div UI A A D CONVERSION while ANALOG REC no signal is in progress Stopped NORM 100M S s 1997 08 04 10 12 30 Filter SMOOTH OFF BW FULL 4 Offset
117. XR A550MD A r OQ gj di N 0 o 3 s wo oi od ol ei 10 10 10 Kl di ai di dl di MD FL N I0 st D 000 G QN 10 IO 8 ANN NNN NN NNM MMMM Me QN 10 0 OO 000000000000000 22Z22222225 FL SPACER V4501 7058 Dee eene e e e OW 004 lt 0000000000000 0000005555 4 4 5 000000000 Q9wo0oudodooooooorzu S Oo 00 N 0 o H Ki 03 N o 10 0 oO N ei 1 sl sl el el 7 ei el el Sj Sj SJ Sj Sj 0 ai R4903 9 1 14545 10 R4560 MD FRONT ASSY 272220 R4561 5 3220 KUCXJ TYPE XWZ3178 84562 220 XWZ3187 563 22 2k 4 C4537 100 10 4 452271124 1 4 4 04523 100P 4 C4524 j 1100P 5 4525 100 5 4 28 0 1 4 24564 _ C4527 147 Cou EE Je 3 Qj 9 0 dao 002 uU t
118. XREC MUTE REC mute NC MDRST MD unit reset SERCH Test terminal 2 ACDET NC 6 5 5 Transmit the power failure to the MD unit 0 Cut in rehearsal pause request XTEST2 Power failure detection NC NC NC NC NC NC NC PDWN FL RESET FL CS FL driver reset FL driver chip select NC XMDRESET MD microcomputer reset terminal EXTAL XTAL Vss TX TEX AVss A D converter GND AVref Reference voltage of A D conversion Connect the oscillator 8 38MHz KEY Key input A D conversion NC XTEST1 Test terminal 1 ll PDC055A DISPLAY ASSY 1C5501 System Control Microcomputer ePin Function Pin Name CD RESET Function Reset output for CD LSI Pin Name VFDP XR A550MD Function CD CE Strobe output for CD LSI S05 CD DRF RF level detection input S06 S DATA OUT System bus data output S07 EXP CLK Clock output for EXP IC BU4094BCF S08 EXP DATA Data output for EXP IC BU4094BCF S09 EXP CE Strobe output for EXP IC BU4094BCF S10 LED1 control 511 oO AJ LED2 LED2 control 12 LED3 LEDS control 13 AC AC pulse input for power supply monitor S14 XRESET CPU reset input 515 HEEL Pulse input
119. ake a knot in the cord or tie it with other cords The power cords should be routed such that they are not likely to be stepped on A damaged power cord can cause a fire or give you an electrical shock Check the power cord once in a while When you find it damaged ask your nearest PIONEER authorized service center or your dealer for a replacement 1 Remote control unit x 1 2 FM antenna x 1 3 AM loop antenna x 1 4 AA R6P dry cell batteries x 2 5 Power Cord x 1 CU XRO054 XZN3046 ADH7004 001 KUCXJ ADG7022 DBDXJ Type ADG1158 115
120. ally in Servo OFF status RESULT Mode this adjustment Displays set value after calculation e Changes set value manually in Servo OFF status MANUAL Preliminary Adjustment Mode Executes RF side manual adjustment Executes focus tracking signal ATT manual adjustment Executes focus tracking signal offset adjustment MANUAL Adjustment Mode e Executes focus tracking signal ATT manual adjustment EEPROM Setting Mode Manually changes all digital servo coefficients etc Turns each servo ON independently Measures temperature detector terminal voltage and standard value TEST PLAY Mode Executes continuous playback from designated address Measures C1 error rate and ADIP error rate TEST REC Mode e Executes continuous recording from designated address Changes recording laser output and also changes servo gain to match laser output 10 INNER Mode Measures point where INNER switch is turned ON 11 EJECT Mode To EEPROM set TEMP setting To EEPROM set CONTROL setting e Laser power setting Rec Play power 78 Setting Method 1 AUTO Preliminary Adjustment Mode Low Reflectance Disc Only Remarks XR A550MD Display Test mode STOP state 15 Press the MENU button once AUTO Preliminary Adjustment Menu AUT YOBI Press the lt P button once End of Adjustment Slide moves to innermost track and
121. button Focus ATT signal A setting Press the MENU button Focus ATT signal B setting AAAOOO Press the MENU button Offset 0 setting Signal A offset measurement Press the MENU button Signal B offset measurement Press the MENU button Signal E offset measurement Press the MENU button Signal F offset measurement Press the MENU button TCRS signal offset measurement Press the MENU button Signal A offset measurement Press the MENU button Signal B offset measurement Press the MENU button Signal E offset measurement Press the MENU button Signal F offset measurement AAA Measured value 6 Set value Calculated value e If the gt lt lt buttons are pressed while set value is being displayed the set value will increase decrease and the new set value will be stored in RAM e If the gt 44 buttons are pressed and held down data will change continuously 100ms cycles e If the MD REC STOP button is pressed operation will move back one step at a time except for the following cases Signal A offset HAO offset temporary setting RF side FG adjustment RF side TCRS adjustment RCG RF side groove TG adjustment GTG RF side groove TG adjustment GTG Innermost track move RF side pit adjustment PTG RF side pit TG adjustment PTG RF side FG rough adjustment RFg
122. ch TUNNING lt lt lt lt button 17 TUNNING gt button DISPLAY CHARA button MENU button 20 DELETE button 01 MD Eject button 02 MD Display 3 MD insertion slot 112 STOP m button 25 PLAY PAUSE MEMORY button Q6 FREQ STATION button 27 MD Record Stop button Dolby DXi NR button 09 Tape Record Stop button A S E S button 61 PRESET button 82 EQUALIZER button 83 ZOOM SURROUND button P BASS DEMO button G5 TAPE cassette door TAPE Eject button 4 87 ENTER button PHONES jack Headphones S M JOG Sound Morphing JOG TIMER CLOCK button DISPLAY button Volume control VOLUME e Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation e DOLBY and the double D symbol are trademarks of Dolby Laboratories Licensing Corporation Display section XR A550MD ie 9995 09 5 5 1 GM RDM A M ETE NA T WAN 19 Indicates Audio level Indicates CD operation status Lights when BEAT CUT 2 is selected 4 Indicates tape transport direction 5 Displays timer function indications 6 Lights when the selected function is CD 7 Lights during tape recording Lights during ASES operation 9 Lights during Sleep Timer operation Indicates tuner operation status 47 Di
123. d continuous recording DISP CHARA Test Mode menu scan 3 Scans INNER Mode JUMP SELECT and other menus MD REC STOP Test Mode menu reverse scan Scans all Test Mode menus in reverse order 4 Selects or starts execution of a menu El Stops a test item and moves to the next most important menu selection S M JOG 1 Slide forced scan FWD direction 2 JUMP execution FWD Continuously pressed down clockwise 3 ADDRESS set value UP 4 Direction designation when setting tracking S M JOG 1 Slide forced scan REV direction 2 JUMP execution REV Continuously pressed down counterclockwise 3 ADDRESS set value DOWN 4 Direction designation when setting tracking DISC forced EJECT 2 Set value UP Continuously pressed down lt lt DISC forced LOAD 2 Set value DOWN Continuously pressed down DELETE Laser power changeover in EJECT Display changeover during continuous playback Set value digit changeover when setting ADDRESS Test Mode 2 Menu 1 AUTO Preliminary Adjustment Mode Executes AUTO Preliminary Adjustment After adjustment Grating Adjustment Mode is engaged Outputs adjusted value AUTO Adjustment Mode Executes AUTO Adjustment Outputs adjusted value Executes continuous playback error rate display jump test RESULT Preliminary Mode Displays measured values set values and calculated values Changes set value manu
124. emove the cartridge holder sliding it out to the left e Removing the MD MECHANISM SWITCH Assy Fig 3 1 Remove the two Screws Remove the MD MECHA SW Assy 100 E1 x1 1 7x3mm ae A1 x1 91 7 5 Magnetic Head 5 B1 x1 91 7 5 1 1 1 7 9 5 MD MECHANISM SWITCH ASSY Removing the Slide and Loading Motors Fig 4 1 Remove the four Screws D1 to remove the Slide and Loading Motors CAUTION Be careful not to damage the Gears Damaged Gears may cause abnormal noise during searching Removing the Spindle Motor Fig 5 1 Remove the three Screws C1 to remove the Spindle Motor CAUTION Be careful not to damage the Gears Damaged Gears may cause abnormal noise during searching Removing the Light Pickup Fig 6 1 Remove the three Screws F1 CAUTION Be careful not to damage the Gears Damaged Gears may cause abnormal noise during searching XR A550MD D1 x2 01 7 x 2mm 01 7 x 2mm Loading Motor Slide Motor Spindle Motor C1 x3 01 7 x 2 5mm Fig 5 F1 x3 01 7 x 9 5mm Light Pickup 101 XR A550MD 7 2 2 DETAILS OF ERROR DISPLAY Error Display Can t REC Details of Error DEFECT occurred 10 times continuously during REC PLAY Recordable cluster became 0 since DEFECT occurred during REC PLAY Address is unreadable REC state can not be set for 20 seconds ev
125. en after try again Measure Check if there are scratches dusts fingerprints or black spots on disc Check if disc fluctuates eccentrically or moves up and down largely Can t COPY Determined as follows according to the channel status of the signals input from D IN during REC PAUSE or REC PLAY 1 Other than audio 2 Other than consumer use 3 Copy NG due to inversion of COPY bit of CD Check if CD is copy proof Example CD R etc D IN UNLOCK The following occurred for digital signal input from D IN during REC PAUSE REC PLAY or CD FUNC playback 1 Digital IN PLL unlocked 2 Locked at other than FS 32 44 1 and 48 kHz Check if D IN signal line is normal TOC FULL No area for registering music number and character information during REC PLAY music name disc number etc Replace with recording playback disc with space for registering UTOC UTOC R ERROR FTNO LTNO FTNO 0 or 1 UTOC recorded on DISC could not be read Replace with other discs to check if UTOC data is normal ERR A Start address End address Replace with other discs to check if UTOC data is normal UTOC ERRL Any one data of UTOC 0 to 4 has looped Replace with other discs to check if UTOC data is normal NOT AUDIO Data not for audio is recorded for TNO track mode currently selected Select other TNO or replace with other discs UNKNOWN DISC Data called MINI of system I
126. ering Application the Test Mode TEST 1 TEST 1 short CA Check TEST 2 TEST 2 short For MD Mechanism Adjustment TEST MODE ON FRONT Short the TEST 1 terminal while the power is ON e MD MAIN ASSY 7 15 45 5 e C4516 cals ETIA a Misalo ollollc 156 X4501 PW 140 TEST MODE 1 Short Notes e When the TESTI terminal has been shorted without a bus being received even once after RESET the bus data will be ignored and POWER ON status determined and the unit will operate independently e When the TESTI terminal is shorted again under these conditions the normal operation will be restored TEST MODE CANCEL Turn the Power to STANDB Y mode or short circuit m Test Mode Menu e LCD Check Changes the LCD pattern according to key input and checks for defects in the LCD e LED Check Turn on and off the LED in order according to key input e Auto Recording Palyback Check Outputs a request for function changeover to AUX with a bus REC is executed in analog after 1 second Stops recording after 3 seconds and outputs a request for function changeover to MD with a bus After 1 second the recorded portion will be played back for 3 seconds without confirming that the function has switched to MD e When the S M JOG key is turned counterclockwise digital input is activated and the same operations as above will be performed e When the
127. f the read in switch in Measurement mode among the adjustment items Audio playback circuit No sound is output even though indication of playback time advances during playback in Normal mode Do audio output waveforms appear for Pins 24 to 26 of NO y Check Pins 70 to 72 and 74 of 1 1201 and Pins 12 16 17 and 19 of IC1701 1 1701 pe Do audio output waveforms appear for Pins 22 and 24 of NO CN1901 Qus Check the substrate of the MD MAIN Assy 106 Check the connection line between 1701 and CN1902 XR A550MD Recording playback operations Insert a low reflection disc to confirm audio output during playback in Normal mode then set the system to Recording Playback Test mode YES The system does not record from the starting address Is the disc recording enabled 2 1 Does RF waveform appear for TP1274 or Pin 1 of IC1201 YES when the disc is played back after recording Are recording levels of Pins 3 26 39 1401 NO 3 Check 1401 1101 and surrounding Pins 9 and 19 of CN1101 different from playback levels portions Does pattern appear for Pin 50 of IC1201 gt Check 1C 1201 for defective
128. for deck reel CLAMP S16 Pull down OPEN S17 VSS INSIDE S18 CF1 DISC123 819 2 ARR S20 VDD ARF S21 KEY1 Front key input 1 MODE1 S22 MS DECK MS signal input 23 ST TUNE TUNER TUNED STEREO detection HALF1 S24 FL display control segment Pull down VDD Power supply 5 System bus request input output 25 KEY2 Front key input 2 CrO2 1 826 SPE IN Spectram analizer signal input S27 FL display control segment KEYS Front key input 3 SCAN ON Key scan input control CD WRQ Q data OK signal input of CD sub code S CLK System bus clock output RDS CLK Clock input BU1923 for RDS IC SOL1 Deck solenoid control REMOCON Remote control signal input MOTOR Deck motor control G01 G02 G03 G04 205 206 207 G08 Gog G10 Gt G12 G13 FL display control grid RDSDATA Data input for RDS VOLJOG1 VOLJOG2 Pulse input for Volume JOG PLL CE TUNER PLL IC strobe output XMDRESET Reset output for MD system microcomputer EVOL CE Main volume control IC strobe output POWER Main power control LINE MUTE Line mute control LED CE LED control for timer VSS GND VDD Power supply S DATA IN
129. he EEPROM 103 XR A550MD 7 2 3 TROUBLESHOOTING MD does not Operate MD may not operate if the objective lens of the Light Pickup is soiled Clean the objective lens then check playback operation If the symptom still persists check the points according to the flowchart below If dust or foreign matter has deposited on the Pickup Lens the system may skip tracks or may not display TOC content of song titles Confirm that the lens is clean before making adjustment If the lens is soiled perform as follows Switch the power of the unit OFF Apply a small amount of isopropyl alcohol to the lens cleaning paper and clean the lens carefully Be careful not to damage the lens Do not touch the lens directly with your hand By pressing tne Power the remote NO Check according to POWER OF MD DOES NOT TURN on the receiver unit can you turn the MD unit power gt ON and obtain a normal display on the MD LCD Te Is disc loaded correctly gt Check according to DISC LOADING IS INCORRECT ye Does the system play back when the MD PLAY PAUSE NO 3 Check according to THE SYSTEM DOES button is pressed PLAYBACK de Is audio output correct Check according to AUDIO PLAYBACK CIRCUIT YES Check according to RECORDING PLAYBA
130. ms cycles e Ifthe Test Record Mode and Continuous Recording Mode 4 4 buttons are pressed the laser recording power will change And the laser gain will change to match the recording power 10 INNER Mode Setting Method Remarks Display Test mode STOP state tsmOOOO0eOO Press the DISP CHARA button INNER Menu INNER Press the lt P gt button INNER switch position measurement s c OOOO SUBQ address and C1 error are both displayed Press the STOP button INNER Menu __INNER___ e 0000 Address e Press the STOP button in the INNER Menu and move to Test Mode STOP status 87 XR A550MD 11 EJECT Mode Setting Method Remarks Display Test Mode EJECT status __ ___ Press the DELETE button Maximum power output status Press the DELETE button Recording power output status Press the DELETE button Playback power output status Press the ENTER button To EEPROM setting TEMP setting Refer to EEPROM setting TEMP setting Press the DISP CHARA button To EEPROM setting CONTROL setting Refer to EEPROM setting CONTROL setting Read IN Switch Position Measurement Mode NOTE Adjust the read in switch position to 5 FF85 FFD2 1 Loosen the three screws A securing the MD MECHA SW ASSY 2 While pressing the MD MECHA SW ASSY in the direction tighten the screws
131. n make adjustments Tuner Section Set the mode selector to AM BAND Connect the wiring as shown in Fig 1 AM SG 400Hz 30 Mod i Adjustment Reception Adjustment 5 Title Frequency Level Frequency Location pecifications kHz dBuV m Display Front End Adjust so that the DC voltage between the 6201 999 el SES Teen pin 20 and GND becomes at maximum level Note 1 For the area using 10kHz step frequencies should be 1000kHz Loop antenna AM antenna terminal DC PRODUCT 4 Voltmeter Fig 1 AM and FM Adjustment Wiring Diagram Center FM759 antenna terminal FM AM TUNER MODULE AM antenna terminal YELLOW BLACK 0 26201 7041 i FM Pin 20 amenna 2 VR6201 T6401 16402 16401 Fig 2 Adjustment Point 70 6 2 CASSETTE DECK SECTION Adjustment points and test points are shown Fig 3 Fig 5 and Fig 7 Mechanical Adjustment Test tape NCT 111 3kHz 30min 1 Tape Speed Adjustment Test Tape Adjusting measurement Adjustment Procedure Points Points Press the PLAY SW and adjust so that the reading ADJ VR on CASSETTE Playback 3kHz TAPE TEST POINT Rch MECHA Fig 3 AF Assy XR A550MD becomes 3000Hz 20Hz Confirm that wow amp flutter level is below 0 3 in the reverse direction confirm that the reading is within 3000Hz
132. nd the new set value will be set in LSI If the gt gt 44 buttons are pressed and held down data will change continuously in 100ms cycles b Spin Setting Setting Method Remarks Display Test mode STOP state ttmOOOOeOO Press the MENU button 7 times EEPROM Setting Menu EEPROM SET Press the lt gt button Focus Setting Menu 1 Focus Press the MENU button Spin Setting Menu Press the lt P button Spin system loop filter gain constant setting until tracking servo is ON SPG Press the MENU button Spin system loop filter gain constant setting subsequent to tracking servo ON inner SPG in Press the MENU button Spin system loop filter gain constant setting SPG mid 991 subsequent to tracking servo is ON middle Press the MENU button Spin system loop filter gain constant setting subsequent to tracking servo is ON outer SPG out 99 Press the MENU button Press the MENU button Press the MENU button Press the MENU button Press the MENU button Press the MENU button Set value If the MD REC STOP button is pressed operation moves in reverse direction If the gt button is pressed while a setting item is being displayed the set value will increase and the new set value will be set in LSI If the lt lt button is pressed while a setting item is being displayed the set value will increase and the new se
133. nitial setting Temperature Setting Mode TMP AA Press the MENU button Laser ON Press the MENU button Innermost track move Tracking ATT signal E setting PEG AAAOOO Press the MENU button Tracking ATT signal F setting PFG AAAOOO Press the MENU button Tracking EFMIO measurement display pit PME AAA Press the MENU button Focus ATT signal A setting LAg Press the MENU button Focus ATT signal B setting Press the MENU button Outer track move Track cross setting GCG Press the MENU button Tracking ATT signal E setting GEG Press the MENU button Tracking ATT signal F setting AAAOOO Press the MENU button Tracking EFMIO measurement display groove GMI AAA J Press the MENU button Focus ATT signal A setting AAAOOO Press the MENU button Focus ATT signal B setting LBG If the STOP button is pressed while the MANUAL Adjustment Menu is being displayed operation will move to Test Mode STOP status If the MD REC STOP button is pressed operation will move back one step at a time except for the following case Track cross ATT setting GCG Innermost track move Focus ATT signal setting LBg 7 EEPROM Setting Mode a Focus Setting Setting Me
134. nt until playback level of the signal AF Assy 315Hz signal becomes 7 7dBV 4 ALC Operation Check ae Mode Input Signal Test Tape Adjusting Points Adjustment Value M REC Input 315Hz signal to the Input signal Input signal Input signal level TEST 828 2dBV 2 PAUSE AUX terminal and set the input Ser to a level 10dB adove the L 20 that the reading is selector to AUX input level at step1 AF Assy 2 2 2 5dBV AF ASSY 5 FRONT TAPE TEST POINT no VR2303 amp VR2302 VR2301 VR2304 L2801 O VR2802 VR2801 Fig 7 Adjustment and Measurement Points 73 XR A550MD 6 3 CD SECTION TEST MODE NOTE There is no information to be shown in this CD adjustment How to Start Cancel Test Mode TEST MODE ON STANDBY ON Short Point TEST MODE PLAY o e inwards lt outwards Laser diode LIGHTS UP Spindle motor START Pickup Move us CLOSE Spindle servo CLOSE TEST MODE STOP CANCEL 6 STANDBY ON PAUSE Tracking servo STOP all operations Test Point DISPLAY ASSY SIDE B Bottom Side s m CD 74 XR A550MD 6 4 MD SECTION 6 4 1 Test Mode 1 Test Mode Types Test Mode Ent
135. ous playback ADIP address display ADIP error display 000 4 Continuous playback ADIP address display C1 error display a 0000 9 TEST REC Mode Setting Method Remarks Display Test mode STOP state Press the ENTER button 2 TEST REC Menu TEST_REC__ Press the DELITE button ADRES setting displays standard address initial setting 0050 Press the lt gt button Sets Search output to during Search operation and returns to L at start of playback Continuous recording a 0000 pwvv Press the STOP button TEST REC Menu TEST REC 0000 Address VV Laser power code If the STOP button is pressed while the TEST REC Menu is displayed operation moves to Test Mode STOP status If the lt P button is pressed while the TEST REC Menu is displayed continuous playback will commence from the pickup point at that time Each time the ENTER button is pressed in Address Setting Mode the address will change as follows 0050 03 0 0700 08A0 0050 gt e Each time the DELETE button is pressed in Address Setting Mode the digits will change as follows with the S M JOG button 0050 0050 0050 0050 gt e In Address Setting Mode the designated address digits can be changed 01H 01H with the S M JOG button 0 F If the S M JOG button is turned and held down the data will change in 100
136. recorded on the disc do not comply with MD Standards so try using another disc The disc may be scratched or damaged so try using another disc UTOC W ERR Fault occurred during rewriting of UTOC rewriting and rewriting could not be performed correctly Scratch on disc Replaced with other discs UNKNOWN DISC Inserted a disc but could not bring in FOCUS Check if there are scratches dusts fingerprints or black spots on disc Check if disc fluctuates eccentrically or moves up and down largely BLANK MD After reading UTOC total number of TNO and NAME characters was 0 Record and check if disc is recordable DEFECT Focus execution error etc occurred due to shock during REC PLAY Check if there are scratches dusts fingerprints or black spots on disc Check if disc fluctuates eccentrically or moves up and down largely UTOC W ERROR UTOC read was correct but could not be rewrite it Check to see if the recording head contact is correct or if there are any disconnections between the board and the recording head EEPROM ERROR The EEPROM data are incorrect Detail of Mechanism Error Error Display Details of Error MECHA ERROR Never completes EJECT Never moves HEAD UP Never moves HEAD DOWN set microcomputer and MD mechanism microcomputer are not communicating properly Try doing a RESET operation again If the problem still persists replace t
137. shock fire or other hazards Test all exposed metal Product Safety is continuously under review and new instructions are issued from time to time For the latest information always consult the current PIONEER Service Manual A subscription to or additional copies of PIONEER Also test with plug reversed Service Manual may be obtained at a nominal charge from Using AC adapter E PIONEER plug as required AC Leakage Test 2 EXPLODED VIEWS AND PARTS LIST NOTES e Parts marked by NSP and can not be supplied XR A550MD The A mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation 9 Screws adjacent to mark on the product are used for disassembly 2 1 PACKING KUCXJ Type Only KUCXJ DBDXJ Type Only s Type Only 2 115 1 4 n i T N i LD 0 16 3 S e 00 8 1 2 10 8 2 2 _ 1 PACKING PARTS LIST Mark No Description Part No Mark No Description Part No 1 FM Antenna ADH7004 9 Rear Pad XHA3004 2 Operating Instructions See Contrast table 2 10 Packing Case See Contrast table 2 English French 11 Packing Sheet AHG7049 3 AM Loop Antenna XTB3001 NSP 12 Warranty Card See Contrast table 2 4 Remote Control Unit XZN3046 A 13 Power Cord See Contrast table 2 054 NSP 14 Polyethylene Bag AHG7033 5 Battery Cover AZA7204 15 Operating Instructions See Con
138. soldering of the substrate of the DISC MOTOR Pins 1 and 2 of CN1603 ASSY of IC1601 and CN1601 ye Replace the DISC MOTOR Assy e The tracking servo does not function Do waveforms appear for Pins 8 and 9 of IC1601 and NO Pins 1 and of CN1101 at the tracking gain adjustment E of Pins 20 and 21 01101201 101601 step in Test mode YES Replace the Light Pickup The slide servo does not function Does the pickup move toward the outer and inner YES Check waveforms of Pins 22 and 23 of IC1201 Check circumference in Test mode parts around IC1201 Check soldering of IC1201 d Do Pins 22 23 1201 change when the pickup NO moves toward the outer and inner circumference Test 9 mode dE Do Pins 28 and 29 of 1 1601 and Pins 1 and 2 of NO CN1602 change when the pickup moves toward the gt Check soldering of IC1601 and CN1602 outer and inner circumference in Test mode Does voltage of positive and negative terminals of NO Check soldering connecting to the Slide Motor Check waveforms of Pins 22 and 23 of IC1201 Check parts around 1201 Check soldering of 1 1201 the Slide Motor change when the pickup moves toward Check for disconnection the outer and inner circumference in Test mode d Replace the Slide Motor
139. splays a wide range of operation status indications 42 Indicates tuner reception status 13 Indicates SOUND MORPHING status Lights when Dolby NR is switched ON Alphanumeric display Lights when the unit is set for digital recording Lights when the unit is set for analog recording Lights when the unit is set for Synchro recording Lights when the unit is set for extended monaural recording Lights during Repeat play Lights when the Auto Mark function is set Lights during recording 9 Lights during pause Lights during play and recording 113 XR A550MD Function button section REMOTE CONTROL UNIT 221 2 mea TUNING STOP PLAY PAUSE Us 5 Keng D CD function button 2 TUNER BAND function button 3 TAPE function button 4 MD function button 5 AUX function button 6 TUNING lt a a buttons 7 STOP button m Play Pause Memory button Theoperations controlled by buttons 6 through change as follows depending on whether you select CD with the CD function button Tuner with the Tuner Band function button Tape with the Tape function button or MD with the MD function button When CD or MD is selected gt PLAY PAUSE Play pause button STOP Stop button P Fast forward track search button 44 44 Fast reverse track search button lt When TAPE is selected gt PLAY PAUSE Play button Tape transpor
140. t gt button Set value display HAG eee Press the MENU button Set value display HBG eee Press the MENU button Set value display eee Press the MENU button Set value display LBG eee Press the MENU button Set value display PEG eee Press the MENU button Set value display PFG eee Press the MENU button Set value display GEG eee Press the MENU button Set value display GFG Press the MENU button Set value display GCG ee Press the STOP button RESULT Menu status RESULT Set value If the MD REC STOP button is pressed operation moves in reverse direction If the gt gt button is pressed while a set value is being displayed the set value will increase and the new set value will be stored in RAM If the lt lt button is pressed while a set value is being displayed the set value will decrease and the new set value will be stored in RAM If the gt 44 buttons are pressed and held down data will change continuously in 100ms cycles Digits increased decreased with the gt gt 44 buttons can be moved with the DELETE button 80 Setting Method 5 MANUAL Preliminary Adjustment Mode Low Reflectance Disc only Remarks XR A550MD Display Test mode STOP state 15 Press the MENU button 5 times MANUAL Preliminary Adjustment Menu MNU YOBI
141. t direction STOP Stop button D gt gt gt Fast forward button Music search button 44 44 Rewind button Music search button lt When TUNER BAND is selected gt PLAY PAUSE MEMORY STATION MEMORY button gt gt gt Frequency amp Station up button lt lt lt lt Frequency amp Station down button Function Auto Play When or MD is loaded if you press the CD function button or MD function button the CD or MD starts playing If there s a tape loaded in the deck it starts playing as soon as you press the Tape function button NOTE You cannot select Function Auto Play during MD or tape recording 114 669665 6 VOLUME up down buttons SLEEP timer button MONO button DISPLAY button PGM button CLEAR button MD function button TAPE function button MD display button CD MD Tape Tuner operation buttons CD MD operation buttons Play Pause gt II Track search 44 gt gt Stop Fast lt lt gt gt TAPE operation buttons Play lt gt Music Search 44 gt gt Stop Fast lt lt gt gt TUNER buttons Stations change order in the upward direction Stations change in order in the downward direction lt lt Frequency down gt Frequency up AUX function button BAND button Use to switch between FM and AM bands gt FM lt CD function b
142. t value will be set in LSI If the gt 44 buttons are pressed and held down data will change continuously in 100ms cycles Spin system loop filter f characteristics 1 setting Spin system loop filter f characteristics 2 setting Spin system loop filter f characteristics 3 setting Spin system loop filter f characteristics 4 setting Spin system loop filter f characteristics 5 setting Spin drive output limiter setting SPDLIM c Tracking Setting Setting Method Test mode STOP state Press the MENU button 7 times EEPROM Setting Menu Press the lt P gt button Focus Setting Menu Press the MENU button 2 times Tracking Setting Menu Press the lt gt button Press the MENU button Press the MENU button Press the MENU button Remarks Display tsmOOOOeOO0 EEPROM SET 1 Focus 1 Tracking Tracking system loop filter gain constant setting Tracking system loop filter f characteristics 1 setting Tracking system loop filter f characteristics 2 setting SVONTA Tracking system servo mode 4 setting 83 XR A550MD Setting Method Remarks c Tracking Setting Display Press the MENU button Tracking deceleration pulse level setting for 1 jump TRBLVo 9 Press the MENU button Tracking deceleration pulse level setting for 10 jumps TRBLVt__ Press the MENU button Tracking kick pulse le
143. thod Test mode STOP state Press the MENU button 7 times EEPROM Setting Menu Press the lt P button Press the lt gt button Press the MENU button Press the MENU button Press the MENU button Press the MENU button Press the MENU button Remarks Display tsmDOOOeOO EEPROM SET 1 Focus Focus Setting Menu Focus system loop filter gain constant setting Focus system loop filter f characteristics 1 setting Focus system loop filter f characteristics 2 setting FZHLEV _ 91 FOKLEVn FOKLEVf_ FZC detection hysterisis level setting a Comparison level setting normal during FOK formation Comparison level setting when Focus ON during FOK formation 82 Setting Method Remarks XR A550MD a Focus Setting Display Press the MENU button LPF coefficient measurement normal during FOK formation FOKLPFn Press the MENU button LPF coefficient measurement when Focus ON during FOK formation FOKLPFf Press the MENU button Wait setting for Auto Focus lead in Set value If the MD REC STOP button is pressed operation moves in reverse direction If the gt gt button is pressed while a setting item is being displayed the set value will increase and the new set value will be set in LSI If the lt lt button is pressed while a setting item is being displayed the set value will increase a
144. trast table 2 NSP 6 Dry Cell Battery R6P VEM 013 Chinese portuguese 7 Catalog Bag 221 038 16 Operating Instructions See Contrast table 2 0 03 x 230 x 340 English Spanish 8 Front Pad XHA3003 2 CONTRAST TABLE XR A550MD KUCXJ and DBDXJ are constructed the same except for the following Part No Symbol and Description KUCXJ Type XRE3021 XHD3078 ARY7023 ADG7022 Not used DBDXJ Type Not used XHD3079 Not used ADG1158 XRC3011 Operating Instructions English French Packing Case Warranty Card Power Cord Operating Instructions Chinese Portuguese Not used XRE3022 Operating Instructions English Spanish Remarks XR A550MD 2 2 EXTERIOR 1 2 KUCXJ Type Note Attatch on the same numbers x three 2 5 M MECHA CD DIGITAL ASSY mz 1 EXTERIOR 1 2 PARTS LIST Mark No Description Part No 1 22P F F C 30V XDD3018 NSP 2 MMECHACD DIGITAL Assy 006 3 Volume Knob XAA3005 4 FLCoverA See Contrast table 2 5 FLCoverC XAK3071 6 Tray 075 7 Display Panel See Contrast table 2 8 Bonnet Case XZN3001 9 Screw BPZ30P100FZK 10 Pioneer Badge XAM3001 11 Screw VBTSOPO80FZK 12 Disc Label XAX3127 13 Knob Assy XXG3023 14 65 Label See Contrast table 2 15 Screw BCZ30P080FZK 16 17 5555 18 19 Cushion Rubber XEB3002 NSP 2
145. ustment Menu a Adjusted value output Press the STOP button 3 RESULT Preliminary Mode Setting Method Step 2 AUTO Adjustment Menu e Adjustment OOOO Measured value 0000 Address Remarks Can t ADJ Display Test mode STOP state tsmOOOOeO0 Press the MENU button 3 times RESULT Preliminary Menu RST YOBI Press the lt gt button Set value display e Press the MENU button Set value display e Press the MENU button Set value display e Press the MENU button Set value display Press the MENU button Set value display PCH 2 Press the MENU button Set value display GCH ___ Press the MENU button Set value display SAG Press the MENU button Set value display SBG eee Press the MENU button Set value display SEG eee 79 XR A550MD 3 RESULT Preliminary Mode Setting Method Remarks Display Press the MENU button Set value display SFG Press the MENU button Measured value display ___ Press the MENU button Measured value display HBO OOO Press the MENU button Measured value display HEO 000___ Press the MENU button Measured value display Press the MENU button Measured value display
146. utton REPEAT button RANDOM button DISC select butions 1 3 SOUND MORPHING mode button 8 SOUND MORPHING jog control buttons OPEN CLOSE button DISC CHANGE button STANDBY ON button 8 2 SPECIFICATIONS STEREO FILE TYPE CD CASSETTE DECK RECEIVER Amplifier Section Continuous Average Power Output is 45 per channel min at 6 ohms from 60 Hertz to 15 000 Hertz with no more than 5 0 96 total harmonic distorsion Measured pursuant to the Federal Trade Commission s Trade Regulation rules on Power Output Claims for Amplifiers Measured bu Audio Spectrum Analyzer Continuous Power Output RMS 70 W 70 W 1kHz T H D 10 96 6 FM AM Tuner section FM tuner section Frequency Range 5 nen 87 5 MHz to 108 MHz Antenna ll 75 Q unbalanced AM tuner section FrequencyRange With 10 KHz step 530 kHz to 1 700 kHz With 9 kHz step 531 kHz to 1 602 kHz Antenna E OR Loop antenna CD section TYPO ie teres Compact disc digital audio system Wow andFlutter ts Limit of measurement 0 001 W PEAK or less EIAJ MD section ue Mini Disc digital audio system Recording system Field modulation overwrite system Reproduce system Non contact optical readout Sampling frequencies esee 44 1 kHz Frequency response 8 Hz to 20 kHz Ce H
147. vel setting for 1 jump TRKLVo 9 Press the MENU button Tracking kick pulse level setting for 10 jumps TRKLVt Press the MENU button Tracking drive pulse width setting for 1 jump TDPWo Press the MENU button Tracking drive pulse width setting for 10 jumps TDPW Press the MENU button Tracking slide Stop time setting for 1 jump SLCTo Press the MENU button Tracking slide Stop time setting for 10 jumps SLCTt 44 Press the MENU button Tracking slide Stop time setting Move SLCTm Press the MENU button TCRS comparison level 1 for high reflectance disc TCRSC1P 44 Press the MENU button Comparison level during COUT formation during playback COTLVp Press the MENU button Comparison level during COUT formation during recording COTLVr__ Press the MENU button Set value d Slide Setting Setting Method Wait time setting for Auto Move If the MD REC STOP button is pressed operation moves in reverse direction If the gt button is pressed while a setting item is being displayed the set value will increase and the new set value will be set in LSI If the lt lt button is pressed while a setting item is being displayed the set value will increase and the new set value will be set in LSI If the gt 44 buttons are pressed and held down data will change continuously in 100ms cycles
148. while the TEST PLAY Menu is displayed continuous playback will commence from the pickup point at that time Each time the ENTER button is pressed in Address Setting Mode the address will change as follows 0050 03 0 0700 08A0 0050 gt e Each time the DELETE button is pressed in Address Setting Mode the digits will change as follows with the S M JOG button 0050 0050 0050 0050 gt e In Address Setting Mode the designated address digits can be changed 01H 01H with the S M JOG and DELETE buttons 0 F If the S M JOG button is turned and held down the data will change in 100ms cycles e Ifthe DISP CHARA button is pressed in Continuous Play Mode the number of Jumps will change as follows 1 Jump gt 10 Jumps 400 Jumps gt 1 Jump gt After the number of Jumps is displayed for 1 second the Address display will be restored AAATR JUMP e Ifthe S M JOG button is turned in Continuous Play Mode the designated number of Jumps will be executed in FWD REV directions If the S M JOG button is turned and held down the data will change in 100ms cycles 86 XR A550MD e Each time the DELETE button is pressed in Continuous Play Mode the display will change as follows Pit part Continuous playback SUBQ address display C1 error display is unchanged s 0000 OOOO Groove part Continuous playback ADIP address display C1 error display 000 Continu
149. will be set in LSI If the 6 4 button is pressed while a setting item is being displayed the set value will increase and the new set value will be set in LSI If the gt 44 buttons are pressed and held down data will change continuously in 100ms cycles CONTROL 1 Pit 7 High frequency weight ON OFF during recording 0 OFF 1 ON Pits 6 4 Play start SD number 30 100 sectors 10 sector steps Pit 2 0 High speed jump overrun amount 384 830 jumps 64 jump steps e CONTROL 2 Pit 4 0 EEPROM version a 8 TEST PLAY Mode Setting Method Remarks Display Test mode STOP state tsmOOOOeOO Press the ENTER button TEST PLAY Menu TEST PLAY Press the DELITE button ADRES setting displays standard address initial setting ADRES 0050 Press the lt gt button Sets Search output to H during Search operation and returns to L at start of playback Continuous playback pit Address C1 error display 15 c OOOO Continuous playback groove Address C1 error display a c OOOO Press the DELETE button Address ADIP error display a Continuous playback groove Press the STOP button TEST PLAY Menu TEST PLAY 20090 Address Error rate AA A Number of Jumps If the STOP button is pressed while the TEST PLAY Menu is displayed operation moves to Test Mode STOP status If the lt gt button is pressed
150. z CN6201 14P SOCKET KP2001A14L AM RF TUNIG BLOCK AXX7041 XR A550MD Mark No Description Part No 2 assy SEMICONDUCTORS 108201 592 8101 LA9241ML 8301 LC78622NE Q8101 2SA1048 Q8251 08252 25 1237 Q8253 Q8254 2501858 D8253 155181 D8251 D8252 155355 COILS L8351 L8352 LFA1ROK 18201 18371 LFA470J CAPACITORS C8145 C8352 C8354 C8356 C8358 CCSQCH101J50 C8361 C8362 CCSQCH101J50 C8132 C8311 CCSQCH150J50 C8310 CCSQCH180J50 C8131 CCSQCH300J50 C8129 CCSQCK1ROC50 C8142 CEAL101M6R3 C8127 CEAL1ROM50 C8126 C8139 1470 16 8135 CEAL4R7M16 C8124 CEALR47M50 C8136 100 50 C8108 C8306 C837 1 CEAT101M10 C8202 CEAT101M25 C8101 CEAT3R3M50 C8105 CEAT470M16 C8109 CEATR22M50 C8106 C8119 C8133 C8307 C8308 CKSQYB102K50 C8360 CKSQYB102K50 08102 08122 8123 8130 CKSQYB103K50 C8137 C8138 C8201 C8309 C8312 CKSQYB103K50 08134 08302 8303 5 104 25 08353 08359 CKSQYB152K50 C8111 CKSQYB153K25 08114 08117 08120 08121 5 154 16 8125 CKSQYB221K50 C8107 CKSQYB223K50 C8110 CKSQYB331K50 08115 08128 CKSQYB332K50 C8113 CKSQYB333K25 8112 68141 CKSQYB334K16 C8116 C8140 C8355 C8357 CKSQYB473K50 C8118 C8255 C8257 C8301 CKSQYF104Z25 C8304 C8305 CKSQYF104Z25 RESISTORS All Resistors RS1 10S 5 X8301 CRYSTAL RESONATOR PSS1008 16 9344MHz CN8003 6P JUMPER CONNECTOR 52151 0610 CN8002 KR CONNECTOR CN8005 SIDE POST CN8004 FFC CONNECTOR 2

Pioneer -- XR

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