Home

SERVICE MANUAL

1.
2. J L Q 0501 2SC3052EF 5 1 t I 0 91 s NY J J lt d 0 4 3 5 I I S g 52 gt gt 1 3 1 R511 5 2 7K 4 C512 ESSE ee L 4 L cses 0
3. O0mVp p PB 55Vp p AV 5V x501 5 C518 C507 er C514 Io i 1 ji N C N C N C N C ov eue EC E T DET SNN loss aysa C504 R50 i 3 58 4 43 Xtal OSC 13 58 Xtal CK DET ACC DET DO OUT 7 CORRELATION 2 sc vco 2 2VP P REC EE PB A SQ PR MAIN p Cay REC Xtal OUT OUT KILL OUT KILLER OUT DET SF I 0 4 0V 1 L s eem 0503 CR DET SYNC VIDEO 2 5 vco d 65 PRE REC MAIN GND X tal VCO OSC SI AMP Me SaUELCH Ee 1 1 1 1 OSD BLOCK 1 I I I I I OUT 1 1 ATR 4 84 ENV DET H P F 1 1 DET 1 I TO PINT8 OF REC OV IDEO OUT CVIN VIDEO OUT PB 0 2 4 2V i 6dB p gt VIDEO IN BUF
4. 2 1V C506 OOmVp p PB 55 4 5V R502 x501 2 1V 9 ce ll Fe o9 db P o 0 286mVp p PB 286mVp p PB 2 2 Sees eee ee Nee VCPBD 2 goce mmo AT VORECO LARES SN act tee WEN ta I r 74f 70 82 72 64 65 6 Lp sro 504 501 PB DET 3 5874 43 X1a OSC 3 58 Xta REC CR DET CK DET cD PB C OUT COLOR IN 2 2 REC EE PB MAIN pat REC AFC Xtal OU OUT I I TANG CR DET VIDEO ICT7OI 2fsc u OUT SYSCON SERVO PREZREC MAIN GND i X tal VCO OSC CTL N 6dB AMP C SQUELCH a 1 r OSD BLOCK OUT MESECAM I ATR ENVE ENV H P F DET DEO OUT TO PINT8 OF
5. a R723 R718 220P R7I7 O 680 2SC3052EF 2SC3052EF J 4 7 R741 4 7 R739 R745 2 IE 270 390 178W 178W 178W L 1 8 1 8 C737 C736 8 0 0lu 0 0lu J CAP RVS L 4 lt 5 R714 3 3K i D FG 4 D709 1 m D706 11111 715 IK 5 CAM Sw B 2 CAM SWA d 2526 3 2526 amp D 31239 S 5 G a 5 co PXO2386E 2366 TAKEUP REEL SENSOR 7 SUPPLY REEL SENSOR 30 oo 0 FG or 57 65544 1 D mom cm m m 5 0 RIII R2I2 w851 w852 ISK ISK P804 LHLDZI962AJOO LHLDZ1962AJ00 No447RE AE HOLDER HOLDER CTI2 RII2 R211 cais aso 1000 1000P k 52 Gute KRCIOAS t 10K ReiS STBYcAT _5V R751 cT22 u 4 7 m rss I lt 148 amp 0 2 Oey 2 Y 4 2 PAUSE mH START SENSOR 0 6 Jz 3
6. TOP CABINET Remove 2 screws 1 PAUSE JACK Remove 3 screws 43 1 screw 14 2 FRONT PANEL Remove button 2 PWB clips 45 with Pause Jack PWB and Remove 2 screws 3 and 7 clips 4 Pause Jack cover OPERATION Remove 1 screw 5 Disconnect earth lead and wire lead PWB VIDEO JACK Remove 2 screws 46 and disconnect SHIELD ANGLE Remove 1 screw 6 with shield angle PWB wire lead MECHANISM Remove 1 screw 7 1 screw 8 2 oPCABINET MAIN PWB screws 9 2 screws 0 Remove 1 gt screw 17 with antenna terminal cover Remove 1 screw 42 with top cabinet fix angle gt SHIELD ANGLE ANTENNA TERMINAL ANTENNA TERMINAL 2334 VIDEO JACK PWB MECHANISM MAIN PWB ASSEMBLY Ix FRONT PANEL x 2 PAUSE JACK PWB py paar TOP CABINET FIX ANGLE e 00007 FRONT PANEL ji MAIN FRAME OPERATION PWB 905 920 2 2 DISASSEMBLING THE MECHANISM MAIN PWB ASSEMBLY 1 When removing the mechanism from the main PWB 2 Removing the mechanism and cassette housing remove the antenna cover 1 screw 1 and remove the Remove 2 screws 4 fixing the cassette housing to the antenna cover mechanism and remove the cassette housing Remove the PWB bottom plate 1 screw 2 Remove the FFC cable AA AD AH which connect ing the PWB and the mechanism Take out vertically the mechanism so that it does not damage the adjacent parts ax MECHANI
7. lt Z Ag n _ xe x 799 N gt 0 lt ES TS se Yrs 83 905 920 FRONT PANEL PARTS XA 905 Lo 9g 9 1 dms Jj o oq g9 L2 838 J 4 Jj 5 j 26 PRECAUTION ON FRONT PANEL SET UP Cassette cover Front panel Cassette housing Cassette cover open lever Cassette cover T Cassette cover Cassette cover open lever open lever About 45 Before attaching the front Keep the cassette over about Do not mount the front Removing the cassette compartment cover panel in position make 45 open and make sure that panel with the cassette D Open the cassette compartment cover surethatthe cassette cover the cassette cover open le cover tilted too open fully open lever is in its right ver is between the front panel Otherwise the cassette 2 Remove the center positioner place lower most If it is and the cassette cover Now cover might wrongly run 3 Slide the cover to the right outof position push it down fix the front panel in place onthe cassette housing 4 Slightly bend the cover with a finger 5 Draw out the left side rod 84 905 920 FRONT PANEL PARTS XA 920 7 7 Lo 9g 0 9 Jy J dm
8. 10 Y29949 ejedued 6904201 30 Z uld pue 90291 10 9 g p uid Y98049 Jo jeubls S 90 01 Maj 10 luo suni tUON LHVHO 9070110 1O Ouu 10 yOoUD 490 21 0 51 pue jo 8 pue juaseud a 90291 SHA O4 pue eui ay 29020130 LV 9940 pee Ajddns au s SAA 10401 eoejdeu 1043009 MS 3 LOZY 1sn peaJ pue Y09949 90721 jo z uid dn au pue 490201 JO z uid ye perdde 1040130 9 SOE OMe SHA 6 1072 Jo 29020130 g uid AS Od pee Jo Ajddns eui 104010 1g uid pue 99 suid uo juasaud jeubis je eubIS Sd ey 54 pue jeubis eui S SHA 1042110 jo A9 z 1noqe uey y S TL L ON LHVHO MOT 995 Buneloiu JO OW LUNIP 24 S 10 12900 sind ON uni 1olouu u L EFON LHVHO 41
9. ndino epis y s leu do apis aui 919 60601 10601 sued eoej dou pue y YOOUD sojenionj 1ndino ueuM ON LYVHO 826 1264 jepuooes pue jo JO z 9589 Ino uMO q 95 4 _ 206 1060 7068 9060 1061 F06 L06d 1061 10 yea 10 YOOUD L 95809 ON LHVHO 030 Sunjel amod y 2 JO JINDJIO OUS pue 19141991 uoee 018 206 1060 06 9060 1061 v06 106d 1067 Jo Dunin2JI2 140US Yes 104 9 19 uMo q 95 4 gt ON LHVHO 995 QUO MOU peoej doJ SI UBYM JNO BSN ou 10491 jo 1 uid 1e H SI SAA ewou s ul pue LY AZL LY AEZ LY Atp LY 9JV SAA LY SHA peanas Joye SI e uo
10. d dA pue 2 9 0 jeubis s 9060 49949 1022110 6 uid LOZOI JO 61 10291 1 210291 1 pg uid pue 81 ay uaam q G Q jeubis eoueurun 5 y 0 1ndino s ng d dAw y 3ndur Ising d dAuu xoJdde euioJuo 5 986 xoJdde 1 SOZH 9020 1021 Z LOZH E0ZO 9 459 1022110 91 pue pL 10221 JO 91 pue 1 eui 1ndino pue d dA L029 JO 5 jo Aaeudued eui 0 jeufis eoueuiun eui S y indui ISung d dAW 99 i SISO GOSH 10201 806 euBis 5 pue y ueewjeq yOoUD ull d AAS H A 49902 ZHIN 866 aoso 1022110 LOZOI JO Lg uld EZ uid pue ay Y92949 q AAS H A SI 6022110 2190 10201 Jo olu Indu 21029130 6Z uId eui Indu 9 pue 09 ay s xoidde jeubis s ul AG OA Pue 0901 1001 30 19 euluu 1029130 84 LOZOI JO 8 19
11. MESECAM DET S DET OFFSET SUE alise s Sas NR k SEL 551 C H i e R6O PB EQ OUT OR 2 J i d Y LPF O 32Vp p C602 UDIO lt lt REC 1 MAIN HKLM he S Eu 2 B INC OR V Op lt 25 5 dd _ Be ka gt wT O 32VP P REC PB mS Y AA O Q Y C SDA Y C SDA i p PB lt J pom o W3 m R SERIAL FROM PIN56 OF Y NI 56 eee INTERFACE Y C SCL Y C SCL N SwI5 N FROM PIN57 OF IC7O1 AUDIO V DET REC ed m LINE REC E MUTE CTL o I 4V REC x NI upio o MAIN EM FBUREE E P R AUDIO OVCPB AUDIO AUDIO LINE MESECAM MAIN EM I OUT S S P Q I AV 5V 96 BYPASS A GND ALC FI Rec our lout 2 S DET fo DEV MAIN DEEM MAIN DET ME ALC lt OUT S DET OUT IN E PEAK i PB FM AGC Q 9 OOOO ae E One Go E OS UV a ERASE R605 7 8V REC 2 8V N C 2 2vcPB LI Y HEAD 4 AUDIO RECORD Ad AA AWV SQBP R201 R203 5 REC PB MESECAM C204 C203 3 C207 0209 W c221 R606 NORMAL I pups I T T T601 AT 12 _ S DET H R202 EM FULL BIAS_OSC R619 PIN86 OF IC701 T 25 iac 55 ack deg P
12. PAUSEZST ILL O O R884 R883 OK 8 2K TP8O JA669 TPSUS UO O QPLGZO626CEZZ gt ol NS vv v v iv PAUSE JACK CIRCUIT GND m l j ola a VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses Sst TP803 R897 56K 178W VIDEO JACK CIRCUIT P2201 QPLGNO44 7REZZ P203 QJAKEO220GEZZ gt VIDEO OUT 2 2 3 G I 5 I j 905 920 PWB FOIL PATTERN OPERATION PWB JL978953 S891 i 0 Oo PAUSE NI S88 6 REC STILL Component Side g n N xed xw2o v We T88S VIDEO JACK PWB 1 VIDEO J2201 IN oUT J2202 E Component Side PAUSE JACK PWB ee 9 z J T mH NORMAL OVERRIDE 4 1 M K5908TE Component Side Wiring Side 2 s j 5 l ee 67 905 905 920 920 MAIN PWB Component Side ON C617 L602 oe B IU AI ICT Q602 E o in
13. dOIAd3S alla3svo OACIA Sdld3S 1 5533409 0c6 VX S06 VX S1S0OW XA 905 XA 920 SHARP SERVICE MANUAL ST MODELS S80E5XA 905 PROFESSIONAL SERIES VIDEO CASSETTE RECORDER XA 905 XA 920 In the interests of user safety Required by safety regula tions in some countries the set should be restored to its Original condition and only parts identical to those specified be used CONTENTS Page GENERALINFORMA TON u uuu 4 2 DISASSEMBLY AND REASSEMBLY ERE DEDE C PROPER 6 3 FUNCTION MAJOR MECHANICAL 9 4 ADJUSTMENT REPLACEMENT AND ASSEMBLY OF MECHANICAL UNITS 11 5 ELECTRICALADJUS E M 30 6 MECHANISM OPERATION FLOWCHART AND TROUBLESHOOTING GUIDE 32 PEERS NIELZOQOGINUCHMT H 38 9 DIAGRAM 50 9 SCHEMATIC DIAGRAM AND PWB FOIE PATTERN tribu i ccce 58 0 79 11 EXPLODED VIEW MECHANICAL PARTS 81 t2 PACKNING OF THE SET 86 This document has been published to be used for SHARP CORPO RATION after sales service only The contents are subject to change without notice 905
14. 2 470K 470K a A alaaa lt a a 2 178W 1 8W gt o 9 44 19 r o BIAS_CTL H 2 6 2 2 7 gt l D 6 0 9151212 2 2 26 u juu lt gt a RECH VIDEO_INCF 2 XA 920 1 2154 9 10 ne 13 14 15 his ir 19 20 21 22 2324 25 A H SW P C755 O Olu brie D715 0 047 20 o 27 185119 155119 XA 920 z or DX0475CE DXO4TSCE ee 7 LC AUDIO_IN R F 2 1 1 R749 AUDIO_INCL F D710 j ISSI Ey 210 IK Vx IK R704 R705 R859 470 745 IOOOuF 0 047 6 3V 5 5V EZ0425GE R C_PULSE TU_REEL SU_REEL CCAM_SW_B CCAM_SW_A F AV_SW R C _PULSE 116 05 A H SW EP_REC H FIP_OE 5 gt CAUDIO_MUTE 2 SW P 5 RMC80 U008 GE or UOOO2AJ 1 1 I I 1 I I I 1 1 I 1 R826 R825 R824 R823 R822 10K 8 2K 4 7K 3 3K 2 7K CAUDIO_IN R F AUDIOCR 1 I I I 1 1 I 1 _ R83 100 178W C804 47u 6 3 s Q706 NS 4 2SAI530ARS
15. Yz E hA b 28dBs PB Erom RIDEN ABU MATN EME HA 1 lt lt Y CCD 2 Kel T ack YNR lt H acc DET 4 NM NUNS NAAR Wd t b io AME MESECAM oer 9 CD s r 11 OFFSET LS FBCZALC i I Doo o PB ALC W C D C i PB 1 1 1 1 I I I eco Y 5 CCD Y OUT C602 REC 0 2 MAIN chs leat SP GN EP XE gt 2 1V Beda d Sw2 gt 0 2570 5Vp p EM i PRE AMP p REC PB TosBs E US AN swl2 y D 26 9 32 REC PB NPB ING N za O VIZFROM Y CCD Y C SDA 25 PB Y C SDA AUDIO PB 2 Sw3 P R SERIAL lt 63 x Z 5 REC 44 NP v ccp FROM PIN56 OF IC701 1 AUDIO d RE ON a Our 7 AUDIO swe CLAM uu ovS yg Y ES Ee D INTERFACE Yee 55 QO v c sa Ig AUDIO 515 REA FROM PINS OF IC7O1 R604 sw Y DET Iw gt LINE REC CAMP I EP ON 6 J MUTE CTL DRIVE C206 i 5y AV REC lo l lo MAIN EM R PV gt gt gt 19 AupIO UDIO ine 15 IS MESECAM OUT r ec our 3 2 S DET MAIN ME ALC OUT DEEM IN PB FM AGC i 2 4V REC ve H SQBP eevepay
16. p10991 eut 119 938 3 H amp 9 de1 ui 4991 JO ijeuuou uoeo je jeubis S Az 1noqe 999 10 6z uId eui S 1992110 g uid S 1899 eoejdeu s 3 3 pepsooes eq 101189 punos jJ IH pie u punos 3 3 4 H ON ON LHVHO Z ON LHVHO 47 905 920 10201 S9OI Jo z9 uid eui LOZ2OI JO 1 L uld eui Y28049 1198 1001 10 66 Jo Au9udu d eui 7 UI LOZOI JO 66 9 eui S amp LOZOI JO 1 L uid eui 1ndino IeuBis oipne s peeu peeu OV eui pajsnipe 1u6ieu peau 81 eoeyns peeu oy eui S LOZOI 00 L uid y uo euuou syed ejeudued yoedAejd pue vy HIN 94V oipne y uunuoo oi ejqissod 1 S Jeuuou s 3 3 J4 IH ejgissoduui si yoeqAejd 12u17 Z6 ON LHVHO 48 905 920 49 905 920 8 BLOCK DIAGRAM SYSTEM SERVO BLOCK DIAGRAM INFRARED RAYS SIGNAL RECEIVER CCTL HEAD CONTROL HEAD e R835 PG 2 J880 IN J8802 OUT sora gt FROM PIN 97 OF
17. 90 91 Y09849 Jo 1no 1198 1noqe eui S SAA u q seu jeeJ 90 0130 1042110 06 ye paljdde je e 1 e S Buuepjos 100d JO jeeudued 19819 SAA si xsip 1 y UUM 10 01 dn Aem 10 0130 z uid 18 sasind pue JOSUas 88 dn aye LS6O ul AS 1960 9 JO 10 9 O2 y JO 1095 S SAA 1960 Y 01 1noqe dn pue 0 91 499u5 ON 1960 Jo 9580 y 958601 Buluuni si 1oloui uejsdeo y Jun 991 1991 YOSYD ON U uA xsip jeeJ dn exej eui seoq SHA 9 9 O 1 1040110 p uid e pesseid s uogng eui LOZOI 199uO ye peusis je wod seog CV ON LHVHO 995 gJs 10joui uejsdeo y seoq uo peuuni si ON 199 9 0 91955 0 u L LL ON LHVHO OL ON LHVHO 40 905 920 SAA 0291 19919 41020130 JO esind SI L0Z2I 10 99 uid LOZOI JO 99 uid n NE o ueAID jeuDis S 90291 JO 7 uid Y29949 jo 16 81615 Hq S 1O Ouu
18. 905 920 1O Ouu eoe deu e1e1edo 90251 eui seoq SAA SAA 10401 eoejdeu a ul 1042110 SAA 9042110 pue 0291 0 68 690421 40 pue pg suid uunup eui S SAA 1lu s 1d 10 2110 5 ye 1 24 pue 1042 1029 jo pe uid 18 1ndino eui 8 044H pue 1440 0229 1040 1ueseJd 0 91 10 JO 06 jo jeeudued asind eui S 1042110 08 959 4 0 91 10 18 018 810 5 9NAS A S g9 uid ye 54 S E ul SHA 10201 1 gg pue 6 ye 3194 S LOZX 40 19919 uonounj jou SBOP OAJOS wnq LYVHO eui euDis 54 yosuy 42 905 920 Woe 399uO 399uO S3A 10401 eoejdeu 0 9 seoq 610421 10 92 ye seadde jeubis 110 5904 SAA 0 10 66 uld 1 ON uejsdeo 18U S S3A 610420130 19 uid ye 24v uejsdeo s SAA ON 10401 ON ON JOjoeuuoo
19. 220 R37 l Tadi ORIGINAL PARTS SUBSITITUTE PARTS KRAIO2S________ UN21 I I DTALIAEKA IRRA TOSS DTA IRAKA t IKRA TOAS UNEI IS DIA AEA _ KREIO2S_______ UN22 11 DTCI I4EKA__ _ KRC104S UN22 13 DTC 44EKA Q963 22u 2SA1530ARS E VCR 5V R973 di lt N Vaz R974 5 0 2 2K cios 7 100v 6 3V RIOI 4T 3CH 1 1 1 1 1 1 1 1 RIO3 C102 ark 11002 ss 1 1 1 1 510 50004 CONV SW I 1 I I CAUDIO OUT gt I I I CAUDIO_OUT CL I I I INCR ICAUDIO_INCR gt ICAUDIO_INCL I
20. 49 o V 3 5 Voo2 DC REC AGC ADJ VREF G3 9 693 696 9649 9 6 9 69 ONEC Hala p E dion E C357 C358 R670 C677 cee2 160 C162 MTS MUTE T a T F T F T T T T 0656 FROM PIN20 OF Esc 145 166 16 168 163 169 FROM EMITTER 0501 TIT AV 5 M PC 9v 5 T 54 55 XA 905 XA 920 POWER CIRCUIT BLOCK DIAGRAM XA 905 XA 920 _ _ 0691 _ NIVA VESH 1 2865 1396H 0162 I e I Cs NA j gt 130 1 2 ee eee exa s 10691 ONIHOLIMS oo 2060 8164 MS Z NIYA BED 2163 4 102191 40 NId a CH NOO d 216d AG Od n DECRE 10838 INId WOH D c 3ddIM 9262 226 926Q IENId CAG LY LINOYIO See ee 6262 260 2261 26 16 amp LINOYIO Ce uals e 669 126 vzea O I s E663 660 D MS A6 Od POSU 2660 ONIHOLIMS 1060 MS AZI LW LINOYIO lt eN pen 8262 262 1261 26Q I I I I S 1 I I LINOYIO LV LINOYIO D 4 AE V 6
21. I VIDEO IN 1 R227 R313 0302 gt 1C201 EP HEAD DOC OUTPUT H P F o LINECI IN lt 3l PIN27 SHOR SP E EP in the YC AUDIO CCD 10dB 4 OE TCO 88 214 Lo S VIDEO HEAD AMP o OCESSOR EVEL LEVEL CCD TUNER VIDEO v zm mj I 5035 NES lt lt gt DET 1 DET 2 L P F 1 I I I I r2 8V i SYNC SEP 1 OUT 2 SYNC SEP gt Go N c OVp p REC EE 5V IOOuV PB 200uV PB 5 REC 20mAp p REC REC i 1 lt I REC EE PB 2 o BAND GAP 95 EDGE j S DO DET YC BV DELAY 43MVP P BURST REC 2 8v 4O3MVp p BURST PB NOR swa Vu MEC EE 2 se 35 ccp DRIVE cc T 2 BV EXT FM AGC i LD MODE Wi C IN CT G EQ 180 BURST REC e 508mVp p BURST PB ED Abd C211 oe 271 v OUTLINE 7 DET CLOCK EUN 1 1 DLIM CCD SIG 2fse GNN CLOCK MODE I I QT DRIVER CTL i AGC DET T 2 1VCREC eas OMH v CCD BLOCK 8V PB quU M MITE MAS LEH eem H P F L P F L P F NL NL lt s 4 EUIS N C NA ptt I O 25Vp p PB DE EMPHA 45 CCD GND I I L1 P 1 I I CCD esa REC Y GND 2
22. PGOUT2 PGIN VREG VC ad 2 l u our FGOUT 9 7 ES 22K ail c991 6 gt our 2 44 2 VOUT MCOM PCOUT 47u 5 3 UOUT WOUT CX VCOIN VCC MODE SCL SDA PES 5 D991 4 4 TEST o EX063 GE KRCIO3S KRCIO3S 3 5 E 148 TO MAIN3 or DX0475CE 5 E R786 R993 44 5 10K 1 D PG CT92 560K 4Tu 16V x 08 Z lt AT_23V D C790 CT89 C787 BLN 0036CE 0993 R787 3900P O Olu 0 47u IC710 2 94 C795 R788 ML E2PROM 2 35 t 022 022 2 524 25 AT_5V 172W adds or S24CO2A or BR2402E2 L ars 7 GND 0208836 22 BLN OO36CE ae 2 ue ae oo y NNNM ME 2202 2 enD 2 EXOGOIGE M GND 7 4 CURR LIMIT AA d 24 2 4 CAPSTAN CTL CAP RO75 2 52 5 4 MOTOR vec SU F ILAMENT_ 2 35V 6 CAPSTAN FG 6 CCAP FG m T 4 CAP RYS L 7 FCCAP RVS L 8 4 PC 5v 8 RI9 O T J 2 1 j 4 j 5 6 7 s 1 lI s 6 __ s l o VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses 58 59 905 905 920 920 MAIN CIRCUIT 2
23. REC OV I 6dB S399 IN PB O 2 4 2V CH2 1 v KILLER B D CVOUT jo i I DET OUT V VIDEO OUT TED i OUT 1 I I CHI 1 COLOR i ERES Bene REC AFC REC APC PB APC KILLER APC SW ACC DET WIDTH 2FL VCO DISCRI oo VIDEO OUT RF ID LIMITTER l T R PIN6 OF TUIOID DRUM FF Head SW IN Sw23 SQUELCH IM FV PULSE V H S W P CONT Head SW BUEF CONV PO SI TERT FROM PIN23 OF I DISCRI d r R330 0 4V I i REC CHARACTOR P VIDEO OUT MIX C312 5 Q SWIT FEED BACK H 3 2 5V 50iRE SYNC TIP e ran Y 9 M I 5 3 2V PEDESTAL 5O RE WHITESOX H SYNC 1 1 A 19 CS 78 ELLE PULSE GEN E VIDEO ALC oo 11 L o 1 5vV VIDEO THRU VIDEO THRU SP PHASE SW CONV Ne lt 5 PB OUT Mes IN ACC eX SP L sp d 4 I x R ATT LINEC3 IN we SP S 9 MALIN sw22 1048 7 C Sw30 CONV 2 i SPR ar O CH2 idi Sw28 SwI6 Sw32 5 2 OMHz 5 18 I CHI L P F CTL TRAP LINEC2 IN 59 m Y 9 w sw20 ACC a TRAP ile 201 ree W29 sc ssp be SP CONTROL at PIN2I R227 IN SEP R313 Q302 OF gt 201 EP HEAD l G 7 NV E a IN Gi lt FROM PIN27 SHOR SP gt Pep in the jj 6 YC
24. Checking Press the play button to set the playback mode 17 XA 905 XA 920 Tension gauge 900 1 200gf Figure 4 13 1 Detach the pinch roller from the capstan shaft Do not separate excessively Or the pinch lever and pinch double action lever may disengage 2 Engage the tension gauge adapter with the pinch roller shaft and pull in the arrow direction 3 Gradually return the pinch roller and measure the pulling force when the pinch roller contacts the capstan shaft 4 Make sure that the measured value is within setting 9 0 N to 11 8 N 900 to 1 200gf 4 12 CHECKING AND ADJUSTMENT OF TENSION POLE POSITION Remove the cassette housing control assembly After short circuiting TP803 and TP802 provided at operation PWB plug in the power cord Setting 1 Turn off the power switch 2 Open the cassette tape T 120 and fix with tape 3 Set the cassette tape in loading state 4 Put the weight 500g on the cassette tape 5 Turn on the power switch 6 Make the adjustment with the beginning of a T 120 tape T 120 Weight to prevent float 500g Figure 4 14 e Checking 1 Set a cassette tape push the REC button to place the unit in the SP record mode Now check the tension pole position 905 920 2 Visually check to see if the right edge of the tension pole Tension pole adjuster adjusting range is within the 2 3 0 25 from the right edge of the Sup guide shaft Tension
25. Indu d dA G Q jeubis s 66019990 10201 JO 96 pue 6g suid ay ueewjeq 8069 1020110 zv 210201 30 Indu d dA pue 2 5 y c o xoidde jeubis 5 9060 Y09490 1022110 61 410291 10 61 eui 1ndui d dA pue g suid y 19819 G Q jeubis eoueurun s e gissod s 3 3 ejgissoduui 1 p40981 eoueuriuin LHVHO 45 905 920 LOZOI 0120 49949 10891 0 56 pue 5 410291 10 eui 1ndui G Q jeubis s 2102901 30 69 eui pp uid eui S 0 ZHN 914 xoidde euBis 422 SI 210291 1 Zg uld y eg uid y o A jeuuou padde AS xoidde 1109 s 10201 Jo 9e uid 1 uonoes 122 perjdde S 210201 30 6 eui Indu d dA G Q jeubis s 6169 39942 1020110 210201 30 9 yndu d dA pue eg uid eui G Q jeubis eoueurun s 10201 9 Cv 180 49902 1022110 pS uid pue gG uid eui 8069 39942 1020110 210201 0
26. 200 Lla R203 nee R655 R6IT MESECAM C209 3 R606 5 8dBs 20dBs L NORMAL 7 0 9 a A J202 REC EE PB REC EE C209 5 R656 FRONT AUDIO IN L S DET H R202 2 IV o TO PIN86 OF IC701 ai 0 25Vp p R665 2 1BA7755 REPE REC PB 0 5 REC PB 0 5 REC PB I SW V m 0 25 PB J202 R666 FRONT AUDIO IN R Re REC IN R607 NOR PB OUT R653 R6082 C614 R612 lt 9201 FE BIAS CTL T REAR AUDIO IN L FROM PIN22 OF J201 A H S REAR AUDIO IN R FROM PIN26 OF ICTOI NOR DET IIC CLOCK FROM PIN83 OF IC7O1 FROM PINI8 OF ICTOI 11 DATA 0351 FROM OF ICTO1 N C FROM PINS 28 27 D 69 00 2 42 43 39 6 19 61 2 10 FROM 54 OF IC7O1 LINE 0652 1 Fo T GNDIL 3 IN REF ExT Exr2 BSIN Norma 51 2 Exr IN REF gt OUT L AAA wel MUTE NOR S H ING OUT cR ING SINR JINR Ww AUDIO MUTE H Ge mute CTL re lt 9201 FROM PIN2I OF r IC651 1 T T T zu 8g R658 AUDIO OUT L 1 AN3662FB I Logic Zz PR
27. AB AC AB 905 920 Ref No Part No Description Code Ref No Part No Description Code 5885 QSW K0086GEZZ J Switch FF AC 37 NGERH1295AJ00 V Master or 38 NGERH1294AJZZ V Casecon Drive Gear AD 5885 QSW K0004AJZZ V Switch FF 39 NGERH1270AJZZ V Take up Loading Gear AF S886 QSW K0086GEZZ J Switch Play AC 40 NGERH1271AJZZ V Supply Loading Gear AD or 41 NGERH1272AJZZ V Pinch Drive Cam AE 5886 QSW K0004AJZZ V Switch Play AB 43 NGERH1299AJZZ V Reel Relay Gear AE S887 QSW KOO86GEZZ J Switch REW AC 44 NGERW1070AJZZ V Worm Gear AD or 45 NGERW1066AJZZ V Worm Wheel Gear AD 5887 QSW K0004AJZZ V Switch REW 46 NiDR 0018AJZZ V Idler Wheel Ass y AK 47 NPLYVO162AJZZ V Motor Pulley AD MISCELLANEOUS PART 48 NPLYVO163AJZZ V Limiter Pulley Ass y AM P881 QPLGZ0626CEZZ V Plug 6 Pin AF 49 NROLPO131GEZZ J Guide Roller AL 50 NSFTPOO32AJZZ V Tension Pole Adjuster AB 51 MSPRCO217AJFJ V Guide Roller Spring AC 52 PREFL1011AJZZ V Light Guide AE DUNTK5907TEV1 VIDEO JACK UNIT 53 QCNW 8022AJZZ V for Drum Motor AD 55 QCNW 8021AJZZ V FFC for A C Head AD 56 QPWBF5243AJZZ V A C Head PWB AE MISCELLANEOUS PARTS 57 QSOCNO696REZZ V Socket 6 pin AB J2201 QJAKEO220GEZZ J Jack AL 58 RHEDT0036AJZZ V Full Erase Head AM J2202 QJAKE0220GEZZ J Jack AL 59 RHEDU0088GEZZ J A C Head Ass y AV P2201 QPLGN0447REZZ V Plug 4 Pin AA 60 RMOTM1078GEZZ J Loading Motor AP 61 RMOTN2067GEZZ J Capstan D D Motor PWM AY 62 RMOTP1139GEZZ J Dr
28. AZ AK AG AQ AE AC AC AC AB AD AC AC AC AC AA AA AA AC AC AC AC AC AA AA AL AH 905 920 Ref No D701 D702 D702 D706 D707 D708 D709 D710 D712 D712 D715 D715 D716 D716 N 0901 D902 0903 0904 D905 D907 N D907 0912 A D913 0913 N 0921 0922 N 0923 N D923 D924 D926 0928 D951 D952 D991 D992 D992 1901 1901 0701 0702 X501 X501 X701 X702 L101 L201 L301 L301 L351 L351 L503 L602 1901 A 1901 A 1901 1901 Part No RH PX0270GEZZ 155119 1 RH DX0475CEZZ RH PX0252GEZZ RH PX0252GEZZ RH PX0238GEZZ RH PX0238GEZZ 155119 1 155119 1 RH DX0475CEZZ 155119 1 RH DX0475CEZZ 155119 1 RH DX0475CEZZ VHDRL1N4004 1 VHDRL1N4004 1 VHDRL1N4004 1 VHDRL1N4004 1 VHD10ELS4 1 155119 1 RH DX0475CEZZ RH EX0601GEZZ 155119 1 RH DX0475CEZZ VHD10ELS4 1 VHD10ELS4 1 VHD15DF1FC 1E or VHDRU2YX 4 4 4 X VHD10ELS4 1 VHD10ELS4 1 VHDD1NS4 1 RH EX0677GEZZ RH EX0601GEZZ RH EX0631GEZZ 155119 1 RH DX0475CEZZ RH FX0034CEZZ Or RH FX0002GEZZ RH PX0233GEZZ RH PX0233GEZZ lt lt lt c c c lt lt lt lt lt lt lt lt lt c lt lt lt lt lt lt lt lt lt lt lt lt utc E a J J J Description LED Cassette LED 156119
29. J uonisod 18 SI Ayeyixne Ajddns y se j y 6905 1010uJ ue sdeo OSIMYOO O suJnj Buipeojun 81 5905 Duipeo ul Jojouu uejsdeo 1 D pu3 uonisod SHA uonisod 1e SI YOUMS ule Duipeo dois FILLS 18 S YMS penndino 10sues 991 0 S uonisod 1e S uos peeds esiwxoo o1e1unoo 1O OUuu uejsdeo uj 1981109 suun 1 uejsde MO S M 2101 uouid MOIS sie dde eunjolg 1 O4 QSIMYOOIO OSIMYOO O Wed pue OSIMYOO OJO JUNOD Wed 1 pue 5 suJnj 6 Wed pue 5 9 suJnj JojouJ ue sdeo Jejunoo suuni 5 ui suuni 4010uJ Duipeo AV 1d O3H 556 SS 1d 9 MAY 55614 TILLS 59614 lt HSA HSA lt 11115 lt lt 4015 33 905 920 pug sdojs Jolow uelsdey 6904 Bulpeo7 1oefo 95589 uonisod 198 3 ye SI U91IMS sdois J010W Duipeo OSIMYOO O suJnj 10 0W Buipeo 7 uonisod 0015 1 S Wey
30. Measuring instrument Mode Cassette Control Tracking control buttons or No Poor picture and Hi Fi sound Play a cassette which was recorded by the unit in EP mode Short circuit between TP801 and TP802 on opera tion PWB to center tracking Press the tracking buttons or 20 times each to bring the tracking off center Make sure that 1 There is nothing unusual on the playback screen 2 Thereis nothing unusualin the Hi Fi sound for the Hi Fi models only 4 Press the STOP button to quit test mode Note Self recorded tape is a cassette whose program was re corded by the unit being adjusted Specification 905 920 pug SAA Buipeolun au peundino 85 4 54 s dois 10 0w Uonisod 18 SI Duipeo 26 u09 SeuJoo 1 1 YOU 108095 y 20505 apisino polN ede 50 9 usd 1051955 TT T sj s oo Do T je si o ojo e o on si eae 111 File 7 10 431 5580 uOluesur ejesseo 810193 ON mo 18 51051185 pu uels E Fe h ZUM 2 916 9980 00c 621 18 21861 4018 dd MOIS end ra
31. O p e ESSAI a C261 JA520 5 D691 C775 E NN lt YT R923 A139 R264 C237 JA563 o in R265 P201 10 aj JA580 S a p J ase JA510 JA998 ela em R729 JA505 R795 QN ale a 44 JA507 D991 o vv ol 5 e 2 c991 JA591 E B 5 lt D871 JA642 05 0 o 9 P Q991 UU e O o D891 TA oo gt 4 JA634 MODs ET 4 lt JA634 6 __ 648_ IC702 SC802 101 14 JA566 JUMPER e JA558 E LEE l ill CMK P3X 4 1 4 9 55 5 _ aj a N lt a 1 9 13 515 R845 lt lt R835 JA554 R844 Salo AXIAL z ICT a lt lt JA588 JA647 1851 lt 5 s 5 o JA665 a JA506 fd in o e PL CHECKER ov JA605 e ale C745 lt RELA M Jojo lt m Pi 201 1 2 TP803 2 JA565 o N 5701 D z in R831 lt 1 2 S 2 R14 121 9 e lt in S lo pay J 7208 JA564 lt z lt 5 2 R830 Q851 gt a e lt D863 D864 lt MENU 5801 5802 vir A CH CH CH o CH 3i al a x RI AR
32. SU 10 J9 eM YOOUS 041009 u joe qns 100 od p sn s uonouni 1 1 eui s n yeq eui pesn s uonouni dn 106r eui ueuous seueneq eui u pa491ue a1 4 1 jeubig ajqeo AL 9u1 10 SHul JaS epoo ay j o1juoo y ui eui 191JV ALON 1 y papu 5 40 senuejod eui Apoeu09 peri y 2 MOU 11 sdois e10uJ8J y J v v edA OM 14 154 pejejsui usaq yey ans OYEN y Spuooes euonippe Ue JO AOU dn eui pesseud si ri eui 1 0c6 VX 43090934 31 1366 0 spuooS s 01 10 pereoipur dn eui uojnq aui 95614 026 vX 1x uonnq TVLN3H UOHNG MOIS uollnq OLNV uong q3ads AdVL C ssda MOIS Uollnq 4015 15 5 92295 uonng T
33. Wed JO u 191545 105 95 E SI 1010uJ Duipeo 1058198 j 1 y Asse 1 ay JojouJ uejsdeo y 0 4 99A pue AEZ ay j qnoll u 5 5 oJuoo 1010uJ Duipeo U91IMS Wed AjyJOOWS si y sse aul 105185 99J p llndino es nd s ul o94 pue 558 JOP 1V 10 44 Ul WIN uejsdeo sa0q 35 uonisod 44 18 1 5 ui 4010W Duipeo oi 1 gd 1e Kjddns N s Wed Jeijseui eui S e gnoJ u 1 Duipeo Ajddns oN perdde s 5900 44 955914 3aow 3aniv3 AV 1d O 3t ONIGNIM 3dV 3Hfllv3 L SNILOOHSATENOUL INSINVHO3IN 905 920 SAA 1Osu s 1081098 991 WOJ oo peundino asjnd s 4010uu ewou nbio1 Bulpuim ysip ooJ Ajddns s Asse Aayjnd Buipeolju
34. 920 Ref No R787 R788 R789 R791 R792 R793 R794 R795 R796 R798 R813 R814 R815 R818 R819 R821 R822 R823 R824 R825 R826 R831 R832 R833 R835 R841 R843 R845 R846 R847 R848 R856 R857 R858 R859 R860 R901 R904 R905 R910 R912 R917 R918 R921 R922 R923 R924 R930 R931 R932 R933 R934 R951 R952 R954 R955 R957 R973 R974 R975 R981 R982 R983 R991 R992 R993 FB701 FB702 N FB901 FB902 5101 5701 VRD RM2HD1ROJ VRD RM2HD1R0J VRS CY1JF822J VRS CY1JF1R0J VRS CY1JF473J VRS CY1JF154J VRS CY1JF332J VRD RA2BE105J VRD RA2BE103J VRS CY1JF102J VRD RA2BE183J VRS CY1JF272J VRD RA2BE332J VRD RA2BE102J VRS CY1JF102J VRS CY1JF183J VRS CY1JF272J VRD RA2BE332J VRS CY1JF472J VRS CY1JF822J VRS CY1JF103J VRD RA2BE101J VRS CY1JF103J VRS CY1JF103J VRD RA2BE183J VRD RA2BE183J VRD RA2BE474J VRD RA2BE474J VRD RA2BE103J VRD RA2BE474J VRD RA2BE474J VRD RA2BE102J VRS CY1JF102J VRS CY1JF102J VRD RA2BE471J VRS CY1JF102J RR DZ0047CEZZ VRS VV3DB333J 33k VRD RM2HD154J 150k VRD RM2HD390J 39 VRD RM2HD390J 39 VRS CY1JF562J 5 6k VRS CY1JF000J 0 VRS CY1JF100J 10 VRS CY1JF2R2J 2 2 VRD RA2BE102J 1k VRS CY1JF102J 1k VRD RA2BE332J 3 3k VRS CY1JF102J 1k VRD RA2BE101J 100 VRS CY1JF102J 1k VRS CY1JF102J 1k VRD RM2HD152J 1 5k VRS CY1JF223J 22k VRS CY1JF561J 560 VRS CY1JF103J 10k VRS CY1JF472J 4 7k VRS CY1JF103J 10k VRD RA2BE22
35. OV 10 Je43eudued yoouy LOZOI JO 79 pue 9 OV jo 9 eui euis 94 uejsdeo au 6104 OI 10 29 ye Jeedde jeubis 54 uejsdeo y s oq 1042110 pue c7 suid ye 1ndino jeubis 119 Odd 8484 S 1029130 06 ye eouoJ9JoJ euDis 5 8 51 044 pue 2 5 0440 1042 JO 06 jo eJeudued 23 pe u eoe deu 10 102010 pue 1e suid 18 OAV uejsdeo 18U S eoe doJ Jo pue uejsdeo yoouy LOZX JO fesaudued yoouy 4140401 JO 86 pue suid je uoll j ioso ZHNISLE t S gd 10 988 eJv JOU s op ue sde5 ZL ON LHVHO SAA O V 9y 10 eui 1snlpy SAA Aljewuou O V 5209 2 10491 JO 9 ye seadde jeubis 110 5909 D 43 905 920 9 euni pue Lezo 1 Aieudued Indino pue Lozo 49949 ndino eur D 1ejnq Kiaudued 42949 JA IW y 1ndino eunjoid s AS LV 84 Y99490 1049110 48 pue 9G s
36. VCKYCYOJF105Z VCKYCY1HF103Z VCKYCY1HF103Z VCCCOCY 1HH101J VCKYCY1CB104K VCKYCY1CB104K VCEA9MOJW 107M VCKYCYOJF105Z VCKYCY1HB472K VCEA9M1HW225M VCKYCY1EB223K VCEA9M1HWA474M VCKYCY1CF104Z VCEA9M1HWA475M VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1HB331K VCEA9M1HW335M VCKYCY1HF333Z VCCCCY1HH5ROC VCKYCY1HF103Z VCKYCY1HF103Z VCEA9MOJW 107M VCKYCY1EB103K VCEA9M1CW106M VCKYCY1HB821K VCEA9M1CW 106M VCEA9M1HWA475M VCEA9M1HWA475M VCEA9MOJW226M VCEA9M1HWA475M VCKYCY1CF104Z VCKYCY1CF104Z VCKYCY1EB183K VCKYCY1HB222K VCEA9M1CWA476M VCKYCY1EB103K VCKYCY1EB103K VCEA9M1CW 106M VCQPYA2AA562J VCKYCY1HB222K VCKYCYOJF105Z lt lt lt lt lt lt lt lt lt lt ccc lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt Description 100 6 3V Electrolytic 1 6 3V Ceramic 100 6 3V Electrolytic 47 16V Electrolytic 330 6 3V Electrolytic 33p 50V Ceramic 0 1 16V Ceramic 100 6 3V Electrolytic 1 6 3V Ceramic 1000p 50V Ceramic 1000p 50V Ceramic 1000p 50V Ceramic 1000p 50V Ceramic 1000p 50V Ceramic 1000p 50V Ceramic 1000p 50V Ceramic 1000p 50V Ceramic 0 01 50V Ceramic 0 01 50V Ceramic 10p 50V Ceramic 10p 50V Ceramic 1000p 50V Ceramic 0 01 50V Ceramic 100 6 3V Electrolytic XA 920 1 6 3V Ceramic XA 920 0 01 50V Ceramic XA 920 0 01 50V C
37. 1 16W Metal Oxide 1 16W Metal Oxide 1 2W Carbon 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 8W Carbon 1 8W Carbon 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide RBLN 0036CEZZ V Balun BLN 0036CEZZ RBLN 0036CEZZ V Balun BLN 0086CEZZ RBLN 0036CEZZ V Balun BLN 0086CEZZ RBLN 0036CEZZ V Balun BLN 0086CEZZ SWITCHES QSW S0004AJZZ_ V Switch RF Conv SW QSW F0042AJZZ V Switch Rec Tip SW Code Ref No 801 5801 5802 5802 5803 5803 5804 5804 5805 5805 5806 5806 N ACC901 N ANG901 N FH901 FH902 F901 A F901 J201 J201 J202 P203 P804 P701 RMC801 RMC801 SC301 SC301 5 601 5 602 5 701 56702 56801 201 W851 W852 Part No QSW K0086GEZZ Or QSW K0004AJZZ QSW K0086GEZZ Or QSW K0004AJZZ QSW K0086GEZZ or QSW K0004AJZZ QSW K0086GEZZ Or QSW K0004AJZZ QSW K0086GEZZ Or QSW K0004AJZZ QSW K0086GEZZ Or QSW K0004AJZZ e lt ce ce ce lt V Description Switch Power Switch Power Switch Eject Switch Eject Switch Set S Pic Switch Set S Pic Switch CH Switch CH Switch Menu Switch Menu Switch CH Switch CH MISCELLANEOUS PARTS Shield Connecting Cord AC Cord Fixing Metal Fuse Holder Fuse Holder Fuse 3 0A 125V PSLDM4575AJFW QCNW 8378AJZZ QACCD5002GEZZ LANGQ9061AJFW QFSHD1013CEZZ QFSHD1014
38. 9191 JEWJOU y S SHA poob 85 eui S LHVHO SNILOOHS3180 OdiI Z 38 905 920 10291 dn pue yoUMs Wed 10 01 Nay dn pue Josues pue 8 je asjnd 10sues pue eui seoq 10291 dn pue Josues ues pue 90 91 Y99490 99u9 9042110 LL uId nay dn y pue 1042110 6 Y28049 10 0130 6 nay dn Aem JOSUAS Yes YOOUD JOSUAS 815 499u2 10421 eoejdeu si y Ajjeuuou ejeJedo 15 wes eui s odq SI ede 9195589 y UBUM O 1 WOJ 1042110 SI ede Y USYM Hu O 1 1042110 64 ye asjnd 10sues es eui seoq Suo 18 pojoele ul si 948 91955 y 6 LYVHO JOojouu SHA si edej 9195580 y Jeuiu9 1olouu y 19 perjdde 1noqe payloads eui 9 SAA SI ede y sse AQ 1noqe 9029119 l uld seoq SAA SI y
39. At this time adjust the height of supply Envelope and take up side guide roller with the adjustment driver JIGDRIVERH 4 so that the envelope wave form changes nearly parallel 4 If the tape is lifted or sunk from the helical lead CH 1 2 surface the PB CHROMA envelope waveform ap Head switching pulse pears as shown in Figure 4 35 5 Press the tracking button and make sure that the envelope waveform changes nearly parallel 4 A C head X value adjustment Finally check tape crease near the reverse guide If D Tentatively fix A C head arm screws 1 and 2 by the tape crease is found remove it as stated in 4 17 method described in 4 15 Replacement 3 HEIGHT ADJUSTMENT OF REVERSE GUIDE 2 Playback the alignment tape VROATSV and item 3 shortcircuit TP801 and TP802 As a result the auto tracking is automatically cancelled so that the X value adjustment mode is set When the tape is above the helical lead When the tape is below the helical lead Supply side Take up side Supply side Take up side Supply side guide roller Take up side guide roller Supply side guide roller Take up side guide roller rotated in clockwise rotated in clockwise rotated in counterclock rotated in counterclock direction lowers guide direction lowers guide wise direction raises wise direction raises roller to flatten roller to flatten guide roller to make the guide roller to make the Adjustment e
40. CH2 KILLER i B CVOUT ut i C521 i DET OUT VIDEO OUT J201 i VIDEO SP EP COMP OUT HEAD SEL SIG 4 PHASE ov l B P F CLEAR i CHI 1 GEN SYNC I PBZREC REC AFC REC APC PB Sw DET MEDIE NS i wa WIDTH P2011 0 2FL VCO DISCRI ID DET L 4 VIDEO OUT RF DRUM FF C523 LIMITTER TO PIN6 OF IN Head sw MAIN SQUELCH IN V H S W P CONT Head SW H 83 gt CONV 1 5 23 SQUELCH M D PULSE FROM PIN23 OF IC7O1 r DISCRI r FROM PIN24 OF IC7O1 R330 0 4 i REC CHARACTOR m A VIDEO OUT MIX Fes bb gt gt gt gt 5 17 FEED BACK 2 BV H 3 2 5v GRAY 50iRE SYNC TIP N C AM 1 2 DOWN pusa Soo ooo C L T 5 3 2V 50iRE WHITE30 H SYNC 98 19 78 Bun VIDEO ALC 56 sP PHASE SW CONV VIDEO OUT VS L o i 5v VIDEO THRU VIDEO THRU gt ac miim 5 PB OUT ALC 2 8V 1 C220 SPI NA SP CY C p 1 gt lt gt x ATT INE SP lt 9 10dB J202 ap ch Ae W30 O FRONT SP R hows 2 CH2 VIDEO IN SwA Vsus SWIG I gt O CHI L P F CTL TRAD X LEVEL ATT LINE 2 _IN sp mm 5120 fh Tn ADJ 44 lt lt VIDEO AGC o UM 4 piis 4 o A
41. DX0475CE LED Supply Reel Sensor LED Takeup Reel Sensor LED Cam SWA LED Cam SWB 155119 155119 DX0475CE 155119 DX0475CE 155119 DX0475CE RL1N4004 RL1N4004 RL1N4004 RL1N4004 10ELS4 155119 DX0475CE Zener Diode 188119 DX0475CE 10ELS4 10ELS4 15DF1FC RU2YXLE 10ELS4 10ELS4 DiNS4 Zener Diode Zener Diode Zener Diode 155119 DX0475CE PC817 PC817 LED Start Sensor LED End Sensor PACKAGED CIRCUITS RCRSB0265GEZZ or RCRSB0204GEZZ RCRSB0205GEZZ RCRSBO0138GEZZ J J J J Crystal CRSB0265GE Crystal CRSBO204GE Crystal CRSBO205GE Crystal CRSBO138GE COILS VP CF101K0000 VP XF820K0000 VP 2K101K0000 Or VP MK101IK0000 VP 2K101K0000 Or VP MK101IK0000 VP XF120K0000 VP DF221K0000 RCiLF0312GEZZ Or RCiLF0014AJZZ Or RCiLF0002AJZZ Or RCiLF0005AJZZ lt lt lt lt lt lt lt lt lt lt lt Peaking 100uH Peaking 82uH Peaking 100uH Peaking 100uH Peaking 100uH Peaking 100WH XA 920 Peaking 12uH Peaking 220uH Coil CiLF0312GE Coil CILF0014AJ Coil CiLFOOO2AJ Coil CILF0005AJ Code AC AB AH AG AM AD 74 Ref No 1921 1921 1922 N 1922 T601 T601 A 1901 N 1901 N 1901 C101 C102 C103 C105 C106 C142 C143 C145 C148 C160 C161 C162 C163 C164 C165 C166 C167 C168 C169 C170 C201 C202 C203 C204 C205 C206 C207 C208 C209 C210 C211 C212 C213 C214 C215 C216 C217 C2
42. GOSH LOZOI 10 S 08 xoidde jeu amp is 9 pue gg suid uee eq ZHW 856 eiejioso 10291 JO 62 pue Z suld eyjeyM 40949 210201 Jo y indui 9 2180 9 1020110 9p jeubis ewoy 5 pue 09 suid y AS OA PU 001 1001 30 19 jewod eui s JO 19 jo jeudued eui 9915509 s 3 3 seadde 10 09 ajqissod s pj0984 ON LHVHO Ajennoadsa 1022110 pue 0020 Z0ZH LOZY ejeudued 1ndino pue 022130 1 pue g suid 49949 0 xoydde S 21020130 y Indu d dA G Q jeubis soueulWUN s 06019810 10201 JO 66 pue pz suid 1022110 69 y py uid y jpeuuou padde 400 10 d dA G O ZHIN 914 xoidde s 1022110 6 eu AS 22 S 410291 10 96 Mod uonoes 422 eui oi payjdde S 210201 30 6 eui Indu d dA G Q xoidde jeubis s amp L02OI JO y
43. OSIMYOO O SUN 10O Ouu uejsdeo uonounj Spuooes u 9SIMM90 9J9 unOO ow 95 suunj ue sdeo indino 9 4 Jojunoo SUN JO OW dn ayel eui seoq SHA Kay dO LS 955614 OSIMYOO O p nndino suan uejsde Sesind jee Ajddns 4015 lt A3d 443 1O Ouu dois uonisod Tn 18 SI YOUMS ule 51 ui suuni uejsde pejoejep ueeq seu ode S1 A 1 JO ewou Wed pue 5 9 ul suuni Buipeo Jo ou uejsdeo uin LO3f3 55914 M3U 34 95614 193 3 3LL3SSVO lt 4015 lt 4015 34 905 920 1058198 y eoe deu Asse 16 eoejdeu JO OW uejsdeo eui e qnoJ ui peidde AG 29A A ddns pU ODA e qnoJ ul 545 oJiuoo 1010uJ Duipeo t U91IMS Wed ooe dou pebewep uBnouu SI 1 105185 99J es nd S US9UJ ul 8 1 pue UIN JOJOW uejsdeo 5900 u W JS S Kjddns
44. R603 R604 R605 R606 R607 R608 R609 Part No Description RESISTORS QJUM 1001GEFW V Jumper VRS CY1JF000J VRS CY1JF000J VRS CY1JF000J VRS CY1JF000J VRS CY1JF000J VRS CY1JF000J VRS CY1JF000J VRS CY1JF000J VRS CY1JF000J VRS CY1JF000J VRS CY1JF000J VRS CY1JF000J VRS CY1JF000J VRS CY1JF000J VRS CY1JF470J VRS CY1JF473J VRS CY1JF000J VRS CY1JF000J VRS CY1JF822J VRS CY1JF822J VRS CY1JF153J VRS CY1JF153J VRS CY1JF000J VRS CY1JF682J VRS CY1JF182J VRS CY1JF682J VRS CY1JF1014J VRS CY1JF153J VRS CY1JF153J VRS CY1JF1014J VRS CY1JF750J VRS CY1JF750J VRD RA2BE101J VRD RA2EE331J VRS CY1JF101d VRS CY1JF101d VRS CY1JF183J VRS CY1JF750J VRS CY1JF473J VRS CY1JF332J VRS CY1JF152J VRS CY1JF222J VRS CY1JF102J VRS CY1JF102J VRS CY1JF681J VRS CY1JF273J VRS CY1JF000J VRS CY1JF272J VRS CY1JF272J VRS CY1JF154J VRS CY1JF473J VRS CY1JF822J VRS CY1JF274J VRS CY1JF221J VRS CY1JF473J VRS CY1JF153J VRS CY1JF273J VRS CY1JF561J VRS CY1JF472J VRS CY1JF333J V lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt cox x lt 0 1 16W Metal Oxide XA 920 0 1 16W Metal Oxide XA 905 0 1 16W Metal Oxide 0 1 16W Metal Oxide 0 1 16W Metal Oxide 0 1 16W Metal Oxide 0 1 16W Metal Oxide 0 1 16W Metal Oxide 0
45. UHF 14 69 CATV 1 125 75 Ohm 0 5 to 2 0 Vp p 75 Ohm unbalanced 1 0 Vp p 75 Ohm unbalanced 8 dBs 47 kOhm unbalanced 0 dBs 0 775 Vrms 8 dBs 1 kOhm unbalanced 0 dBs 0 775 Vrms Dynamic Range 90 dB Frequency Response 20 Hz 20 kHz 1 hour 5 C to 40 C 41 F to 104 F 20 C to 60 C 4 F to 140 F 120 V AC 60 Hz 18 W 360 W x 92 5 H x 262 5 D mm 14 3 16 x 3 41 64 x 10 21 64 XA 905 360 W x 92 5 x 263 5 D mm 14 3 16 x 3 41 64 x 10 3 8 920 2 8 kg 6 2 lbs 75 ohm coaxial cable Operation manual Infrared remote control Battery 2 pcs Warranty Card Specifications are subject to change without notice 905 920 1 3 LOCATION OF MAJOR COMPONENTS AND CONTROL spuooes JO Aue d y pue s n yeq ay paesu MoU uonouni JOU SBOP 9 JOWA y J JO poued ue 10 100 1 y 9y eAoulag esn ui spueJq JO MOU pue jou OG eui esn pue 180 eui 5 JO yes o Way esneo JO esn 18ujo Aue 10 198Jip SI 1051085 8ul JOU Aew
46. Unscrew the D D rotor assembly fixing screws 5 Take out the D D rotor assembly 5 Notes 1 In removing the D D stator assembly part of the drum earth spring pops out of the pre load collar Be careful not to lose it 2 Install so that the D D rotor ass y and upper drum ass y mounting direction check holes align Align the upper drum dent with the rotor hole 3 Be careful not to damage the upper drum or the video head 4 Protect the hole elements from shock due to contact with D D stator or D D rotor ass y 5 After installation adjust the playback switching point for adjustment of servo circuit FFC D D rotor ass y 2 Upper drum Figure 4 38 905 920 4 21 REPLACING THE UPPER AND LOWER 4 22 ASSEMBLING OF PHASE MATCHING DRUM ASSEMBLY MECHANISM COMPONENTS Assemble the phase matching mechanism compo Replacement Perform in the numerical order nents in the following order D Remove the motor as stated in 4 20 D D motor replace 4 Assemble the pinch roller assembly and pinch drive ment cam 2 Remove the drum earth brush ass y 2 2 Mounting the shifter on the back of the mechanism 3 Remove the drum base 3 from the upper and lower chassis drum assembly Q 3 Mounting the master cam on the back of the mecha nism chassis 4 Assemble the connection gear slow brake and loading Cares when replacing the drum motor parts 1 Be careful so that the drum earth
47. eee e l I I L V O 5Vp p REC PB O 5Vp p REC PB O 5Vp p REC PB IRECZPB SW CRECZEEZPB 615 O 25Vp p PB C621 L 20dBs REC EE C613 V A A lt lt S qo 9201 AUDIO FE BIAS CTL O FROM PIN22 OF IC7O1 gt gt gt N O A R607 lt 9201 T R608 614 AUDIO OU R108 TUNER VIDEO VIDEO OUT RF AUOTO MUIE TO PIN3I OF 201 FROM EMITTER OF 0251 PIN2I OF IC7O1 i TUNER VIDEO INPUT gt RF AUDIO TUNER VIDEO INPUT OUTPUT TUIOI TUNER AUDIO U V TUNER OUTPUT 52 53 905 920 SIGNAL FLOW BLOCK DIAGRAM XA 920
48. lt ab lt 5 a 5803 5805 5804 5806 R18 POWER EJECT J P803 NZ RMC 801 SC801 j E 1 P2203 p861POWER D862TIMER 4 1 5 7 s l s j 9 68 69 2 5 j 4 1 s 1 16 i s j 6 70 71 5 ea eji Ce i aell eG ole x 222 CET gen E 905 920 72 10 PARTS LIST PARTS REPLACEMENT Many electrical and mechanical parts in video cassette recorder have special safety related characteristics These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage wattage etc Replacement parts which have these special safety characteristics are identified in this manual electrical components having such features are identified by and shaded areas in the Replacement Parts Lists and Schematic Diagrams Theuse of asubstitute replacement part which does not have the same safety characteristics as the factory recommended replacement parts shown in this service manual may create shock fire or other hazards HOW TO ORDER REPLACEMENT PARTS To have your order filled promptly and correctly please furnish the following informations 1 MODEL NUMBER 3 PART NO 2 REF NO 4 DESCRIPTION In USA Conta
49. when it wears down Just change the AHC roller assembly for new one NOTE O Part replacement Cleaning A Apply grease Specified Cleaning liquid Industrial ethyl alcohol Slant pole on pole base No tape running tape slack AHC Automatic Head Cleaner XA 920 This mechanism does not need electric adjustment with variable resistor Check parts If any deviation is found clean or replace parts Video head cleaning procedure 1 Apply one drop of cleaning liquid to the cleaning paper with the baby oiler 2 Gently press the cleaning paper against the video head to fix your finger and move the upper drum so that each head is passed to and fro 5 times do not move the cleaning paper 3 Wipe with the dry cleaning paper Rotate the upper drum with one hand Notes Use the commercially available ethanol of Class 1 as cleaning liquid Since the video head may be damaged do not move up and down the cleaning paper Do not move the cleaning paper Whenever the video head is cleaned replace the clean ing paper Do not apply this procedure for the parts other than the video head Gently press the cleaning paper to fix with your finger and rotate the upper drum to clean Move to and fro 5 times for each head 12 4 3 REMOVING AND INSTALLING THE CAS SETTE HOUSING e Removal 1 In the cassette removing mode remove the cassette 2 Unplug the pow
50. 01 50V 0 1 16V Ceramic 0 01 50V Ceramic 0 01 AC250V M Polypro 3300p AC125V Ceramic Ceramic Ceramic Ceramic Ceramic Electrolytic Electrolytic Ceramic Ceramic Ceramic Ceramic Electrolytic Ceramic Ceramic Ceramic Electrolytic Electrolytic Electrolytic Ceramic Ceramic Electrolytic Ceramic Electrolytic Ceramic Ceramic Ceramic Electrolytic Ceramic Ceramic Ceramic Ceramic Electrolytic Ceramic Ceramic Ceramic Ceramic Ceramic Electrolytic Ceramic Electrolytic Ceramic 3300p AC125V Ceramic 3300p AC125V Ceramic 82 200V Electrolytic 0 01 500V Ceramic 220p 500V Ceramic 3300p 50V Ceramic 4700 50V Mylar 220p 50V Ceramic 0 033 50V Ceramic 10 100V Electrolytic 470 35V Electrolytic 470 35V Electrolytic 22 50V Electrolytic 1000 6 3V Electrolytic 100 6 3V Electrolytic 0 01 50V Ceramic 330 16V Electrolytic 1000 6 3V Electrolytic 0 1 50V Mylar 0 1 50V Mylar 47 16V Electrolytic 47 6 3V Electrolytic 0 033 50V Ceramic 10 16V Electrolytic 1 50V Electrolytic 22 6 3V Electrolytic 47 6 3V Electrolytic 47 6 3V Electrolytic 47 16V Electrolytic Code 76 Ref No 9 566 RJ102 RJ103 RJ104 RJ301 RJ302 RJ303 RJ304 RJ305 RJ501 RJ502 R16 R36 R41 R42 R101 R103 R104 R105 R107 R108 R111 R112 R145 R201 R202 R203 R207 R211 R212 R226 R227 R228 R229 R252 R253 R254 R256 R275 R301 R313 R315 R330 R331 R351 R501 R502 R505 R511 R512 R520 R521 R601 R602
51. 1 16W Metal Oxide 0 1 16W Metal Oxide 0 1 16W Metal Oxide XA 920 0 1 16W Metal Oxide XA 920 0 1 16W Metal Oxide XA 905 0 1 16W Metal Oxide XA 905 47 1 16W Metal Oxide 47k 1 16W Metal Oxide 0 1 16W Metal Oxide 0 1 16W Metal Oxide 8 2k 1 16W Metal Oxide XA 920 8 2k 1 16W Metal Oxide XA 905 15k 1 16W Metal Oxide 15k 1 16W Metal Oxide 0 1 16W Metal Oxide XA 920 6 8k 1 16W Metal Oxide 1 8k 1 16W Metal Oxide 6 8k 1 16W Metal Oxide 100 1 16W Metal Oxide 15k 1 16W Metal Oxide 15k 1 16W Metal Oxide 100 1 16W Metal Oxide 75 1 16W Metal Oxide 75 1 16W Metal Oxide 100 1 8W Carbon 330 1 4W Carbon 100 1 16W Metal Oxide 100 1 16W Metal Oxide 18k 1 16W Metal Oxide 75 1 16W Metal Oxide 47k 1 16W Metal Oxide 3 3k 1 16W Metal Oxide 1 5k 1 16W Metal Oxide 2 2k 1 16W Metal Oxide 1k 1 16W Metal Oxide 1k 1 16W Metal Oxide XA 920 680 1 16W Metal Oxide 27k 1 16W Metal Oxide 0 1 16W Metal Oxide 2 k 1 16W Metal Oxide XA 920 2 k 1 16W Metal Oxide XA 920 150k 1 16W Metal Oxide XA 920 47k 1 16W Metal Oxide XA 920 8 2k 1 16W Metal Oxide 270k 1 16W Metal Oxide 220 1 16W Metal Oxide 47k 1 16W Metal Oxide 15k 1 16W Metal Oxide 27k 1 16W Metal Oxide 560 1 16W Metal Oxide 4 7k 1 16W Metal Oxide 33k 1 16W Metal Oxide XA 905 Code Ref No R610 R611 R611 R612 R612 R613 R614 R615 R616 R617 R618 R619 R620 R621 R623 R624 R626 R627 R628 R653 R654 R655 R656 R657 R658 R659
52. 1 16W Metal Oxide 15k 1 16W Metal Oxide 1k 1 16W Metal Oxide 1k 1 16W Metal Oxide XA 920 47k 1 16W Metal Oxide 47k 1 16W Metal Oxide 22k 1 16W Metal Oxide 560k 1 16W Metal Oxide 1 16W Metal Oxide 1k 1 16W Metal Oxide 1k 1 16W Metal Oxide 680 1 16W Metal Oxide 1 8k 1 16W Metal Oxide 1k 1 8W Carbon 8 2k 1 16W Metal Oxide XA 905 1k 1 16W Metal Oxide 0 1 16W Metal Oxide 10k 1 16W Metal Oxide 150 1 4W Carbon 1 8k 1 16W Metal Oxide 150k 1 8W Carbon 10k 1 16W Metal Oxide 22k 1 16W Metal Oxide 22k 1 8W Carbon 56k 1 16W Metal Oxide 12k 1 16W Metal Oxide 0 1 16W Metal Oxide 100k 1 8W Carbon 270 1 8W Carbon 100k 1 8W Carbon 270 1 8W Carbon 47k 1 16W Metal Oxide 390 1 8W Carbon 47k 1 16W Metal Oxide 1 8W Carbon 1 16W Metal Oxide 1 1 16W Metal Oxide 1 2W Carbon 1 8W Carbon 1 8 Carbon 1k 1 16W Metal Oxide 1k 1 16W Metal Oxide 1 8W Carbon 100k 1 16W Metal Oxide 100k 1 16W Metal Oxide 12k 1 16W Metal Oxide 56k 1 16W Metal Oxide 18k 1 16W Metal Oxide 22k 1 16W Metal Oxide 1k 1 16W Metal Oxide 4 7k 1 16W Metal Oxide 3 3k 1 16W Metal Oxide 8 2k 1 16W Metal Oxide XA 905 2 2k 1 16W Metal Oxide 1k 1 16W Metal Oxide XA 920 680 1 16W Metal Oxide 680 1 16W Metal Oxide 100k 1 16W Metal Oxide 10k 1 8W Carbon 10k 1 8W Carbon 10k 1 8W Carbon 150k 1 16W Metal Oxide 3 9k 1 16W Metal Oxide 100k 1 16W Metal Oxide 1M 1 16W Metal Oxide 560k 1 16W Metal Oxide XA 905 XA 920 Code AA AA 905
53. 2 IC AUDIO_INCR F i NOR_REC_IN i IC AUDIO_INCL F i XA 920 AT 12V CAUDIO_INCR F 1 Pc_9v D L AUDIO_INCL F P 5 920 VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses 60 61 905 905 920 920 MAIN CIRCUIT 3 AT_44V D R4 AT 2 T J 12 D _AAT_5v 2 R8 D Tad GND 2 R9 O T J M GND 2 AT_ 24V D D FILAMENT_ 2 RT C942 100 R933 IK IC903 amp VHIKIA43 177 1 HOT m C R932 WA ee 5 14 s 1 I s 6 l 5 s VOLTAGE MEASUREMENT MODE Parentheses REC Without Parentheses 62 63 905 920 MAIN CIRCUIT 4 TO MAING A H Sw P NOR_DET CHIFI_REC_CTL CAUDIO MUTE 1 CMTS_MUTE MTS_DET 5 D PLL_CLock CAFT S CURVE D CAT 5V D 5 CAT 44V TUNER TUIOI RTUNGOOO AJZZ CVTUATMDH2 A03 TO 2 VIDEO AFT S IF r I l 1 I I L 1XA 920 R104 RIO5 CIO5 106 1000 O Olu 6 3VCYF C954 0951 O33u 50V D951 BP DATA 905
54. 920 IMPORTANT SERVICE NOTES BEFORE RETURNING THE VIDEO CASSETTE RECORDER Before returning the video cassette recorder to the user perform the following safety checks 1 Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the video cassette recorder Inspect all protective devices such as non metallic control knobs insulation materials cabinet backs adjustment and compartment covers or shields isola tion resistor capacitor networks mechanical insula tors etc 3 To be sure that no shock hazard exists check for current in the following manner Plug the AC line cord directly into a 120 volt AC outlet Do not use an isolation transformer for this test Using two clip leads connect a 1 5k ohm 10 watt resistor paralleled by a 0 15uF capacitor in series with all exposed metal cabinet parts and a known earth ground such as a water pipe or conduit Use an SSVM or VOM with 1000 ohm per volt or higher sensitivity or measure the AC voltage drop across the resistor See Diagram Move the resistor connection to earth exposed metal part having a return path to the chassis antenna metal cabinet screw heads knobs and control shafts TO EXPOSED etc and measure the AC voltage drop across the resistor Reverse the AC plug on the set and repeat AC voltage measurements for each exposed part Any reading of 0 45V rms this co
55. AC TLABM4309AJZZ V Model Label XA 905 AC XJPSD30P10WSO V Screw AA GCOVA2097AJKZ V Pause Jack Cover AH FRONT PANEL PARTS CPNLC2813TEV1 V Front Panel Ass y AT XA 920 CPNLC2814TEV1 V Front Panel Ass y AS XA 905 Front Panel Not Replacement Item HDECQ2255AJSA V Casstte Flap XA 920 AF HDECQ2245AJSA V Casstte Flap XA 905 AF HDECQ1976AJSC V Window Dec XA 905 AG HDECQ2157AJSB V Window Dec XA 920 AG JBTN 2940AJSB V REC Button XA 920 AE JBTN 2943AJSE REC Button XA 905 AD JBTN 2941AJSA SET UP Button XA 920 JBTN 2939AJSA SET UP Button XA 905 MSPRDO103AJFJ V Cassette Spring AB JBTN 2942AJSC V PLAY Button AF LHLDZ2066AJZZ V Button Holder AC SUPPLIED ACCESSORIES ACCESSORIES TiNS 3786AJZZ V Operation Manual XA 920 AK TiNS 3785AJZZ V Operation Manual XA 905 AG RRMCG1264AJSA V Infrared Remote Control AZ Unit XA 920 RRMCG1263AJSA V Infrared Remote Control AW Unit XA 905 QCNW 8115AJZZ 75 Ohm Coaxial Cable AG 80 Ref No Part No Description PACKING PARTS NOT REPLACEMENT ITEM SPAKCA382AJZZ Packing Case XA 920 SPAKC4383AJZZ Packing Case XA 905 SPAKX1091AJZZ Packing Add TLABKOO13AJZZ Label TLABV0182AJZZ Bar Code Label Code 905 920 11 EXPLODED VIEW OF MECHANICAL PARTS 905 920 CASSETTE HOUSING CONTROL PARTS 905 920 CABINET PARTS 3 XV Oh Ve f
56. AUDIO CCD NV IOdB OF ICTOI 315 ea CHA TEST MODE COMP VIDEO HEAD AMP L SECAM PROCESSOR LEVEL D TUNER VIDEO L PE I 35 bs Sw34 DET 2 L P F 2 2 8V SYNC SEP OUT OVp p REC EE SYNC SEP 50 I AA 1 IOOuV PB 200uV PB WN EN 5 REC 2OmAP P REC REC lt lt 44 LEVEL a 20 MUTE GA x EU NOS TT REC EE PB EP L 91 E 2 8V C607 2 8V Do peT EDGE 1 DELAY NV 43MVp p BURST REC 29v EP EP N 4O3MVp p BURST PB 44 E I H I gins 8 2 8V EXT Sw36 SW37 Z i coD gt CHI G EQ T 60 46 18 BURST REC EP 508mVp p BURST PB C211 gay ec 03 5 REC i ADJ EP 1 1 i OUTLINE i N LOCK I 5 i Eu EMPHA o W IM CCD SIG 2fse OUT P CLOCK MODE EP ze NI DRIVER CTL li AB BER 1 I i 2 1VCREC 93 i C213 25Vp 8V PB IOOuV PB 200uV PB r OMHz LAG LEAD x Roe AA ED 44 D E 29 5 REC 20mAp p REC 5 9 SW38 L P F L P F NL 1 NL elect am _ 25 PB EMPHA DE EMPHA DO N PO I n l Y GND 2 1 i NV 28dBs PB MAIN EMPHA From fo DEV ADJ CARRIER i
57. N 235 5 s T601 I lt 605 51 M Eo 5 lt 51 a s Y Y 2 ro E lt 5 4 SMT o JA230 e n 5 z sr O 97 o lt 508 VN lt e JA223 lt 5 C664 c517_ 5 CN als JA666 A lt gt JA598 1 75 u 177 C663 lt cese JA646 O 3 MZ x C662 5 C670 ya F JA178 R958 in IO y q C251 146 504 x502 d m lt _ 248 lt O af 0 ha JA233 mv O FB203 CU o pecs X501 7 3 208 C217 e nnn Om e gt L 7 0 3 C757 R C906 JA542 als ol ol NJA278 JA288 276 273 277 A148 n 8 1 64 JA252 JA279 JA280 JA271 284 275 R214 JA214 R912 272 JA541 535 J 285 JA286 D913 50 90 j o p m Oo U Tr j R15 R767 J 5 JA545 o e JA274 sme 354 2 tol S in e e lt v 9 j y JA649 5 5 JA582 lt S 9 lt tele 5 5 lt IO 2 H eu aA EEL E a ET e a l x R50 JA575 1 lt Ps y c272 Lal caes 9 C771 gt JA572 P203 4 lt lt 5 5 p 71
58. R663 R664 R665 R666 R667 R668 R669 R670 R671 R672 R673 R674 R675 R676 R677 R685 Part No VRS CY1JF183J VRS CY1JF153J VRS CY1JF393J VRS CY1JF123J VRS CY1JF823J VRS CY1JF393J VRS CY1JF123J VRS CY1JF472J VRS CY1JF103J VRS CY1JF103J VRS CY1JF563J VRS CY1JF470J VRS CY1JF153J VRD RA2EE4R7J VRS CY1JF393J VRS CY1JF224J VRS CY1JF000J VRS CY1JF332J VRS CY1JF000J VRS CY1JF473J VRS CY1JF682J VRS CY1JF473J VRS CY1JF682J VRS CY1JF101J VRS CY1JF223J VRD RA2BE681J VRS CY1JF473J VRS CY1JF682J VRS CY1JF473J VRS CY1JF682J VRD RA2BE101J VRS CY1JF223J VRD RA2BE681J VRS CY1JF273J VRS CY1JF103J VRS CY1JF151J VRS CY1JF151J VRS CY1JF473J VRS CY1JF183J VRS CY1JF102J VRS CY1JF473J VRS CY1JF102J V V V lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt V Description 18k 1 16W Metal Oxide XA 905 15k 1 16W Metal Oxide XA 920 39k 1 16W Metal Oxide XA 905 12k 1 16W Metal Oxide XA 905 82k 1 16W Metal Oxide XA 920 39k 1 16W Metal Oxide XA 905 12k 1 16W Metal Oxide XA 905 4 7k 1 16W Metal Oxide XA 905 10k 1 16W Metal Oxide XA 905 10k 1 16W Metal Oxide XA 920 56k 1 16W Metal Oxide 47 1 16W Metal Oxide 15k 1 16W Metal Oxide 4 7 1 4W Carbon 39k 1 16W Metal Oxide 220k 1 16W Metal Oxide 0 1 16W Metal Oxide 3 3k 1 16W Metal Oxide 0 1 16W Meta
59. V V HA8317NF Y C Audio Processor 7755 Rec PB Head SW AN3662FB HiFi Audio Processor XA 920 IX1567GE PST600H LB1988 Loading Drum M Driver KS24C02S E7PROM 524 02 E7PROM BR2402E2 12511 KiA431 TRANSISTORS VS2SA1530ARS1 VS2SD1306 E 1 VS2SA1530ARS1 525 3052 1 525 3203 1 VS2SD1859TV 1 or VS2C3939SQR 1 525 3052 1 VS2SD1306 E 1 VS2SD1306 E 1 VSKRA104S 1 VSKRC103S 1 VSKRC103S 1 VS2SA1530ARS1 VS2SC3052EF 1 VS2SA1530ARS1 525 3052 1 525 3052 1 VSKRC104S 1 VSKRA103S 1 VS2SC4161 1E or 525 4418 1 or V V V V V V V V V V V V V V V V V V V V V V 2SA1530ARS1 VS2SD1306 E 2SA1530ARS1 2SC3052EF 1 XA 920 2SC3203Y 25D1859TV 2C3939SQR 2SC3052EF 1 VS2SD1306 E XA 920 VS2SD1306 E XA 920 KRA104S XA 920 KRC103S XA 920 KRC103S XA 920 2SA1530ARS1 2SC3052EF 1 2SA1530ARS1 2SC3052EF 1 2SC3052EF 1 KRC104S KRA103S 28 4161 920 28 4418 905 525 4273 1 25 4273 VS28C3576AC 1 V 2SC3576AC or VS2SD2144S 1 25021445 VS2SA1271 Y 1 V 25 1271 VSKRC103S 1 V KRC103S VS2SA1530ARS1 V 2SA1530ARS1 VS2SA1271 Y 1 V 25 1271 VSKRC103S 1 V KRC103S VS2SC3203Y 1 V 25C3203Y VS2SA1530ARS1 V 2SA1530ARS1 VSKRC103S 1 V KRC103S DISPLAY VVK20U26108 1 V Display or VVKSTV6SS44 1 Display DIODES AND LED S VHD1SS119 1 or V 185119 920 RH DX0475CEZZ V DX0475CE BE
60. VCEA9M0JW107M VCEA9M1CW107M V 100 VCKYCY1CF224Z VCEA9MOJW226M VCKYCY1CF224Z VCKYCY1CF104Z VCEA9M1CW106M V 10 VCKYCY1HF103Z VCKYCY1CF224Z VCKYCYOJF105Z VCKYCY1HF103Z VCKYCYOJF105Z VCCCOCY 1HH560J VCCCOCY 1HH560J VCKYCY1HF103Z VCKYCY1HF103Z VCEA9M1HW105M VCKYCYOJF105Z VCKYCY1HF103Z VCKYCY1HF103Z VCCCOCY 1HH120J VCCCOCY 1HH150J VCCCOCY 1HH150J VCCCOCY 1HH180J VCKYCY1HB102K VCKYCY1HB102K VCKYCY1HB102K VCKYCY1CF104Z VCEA9M0OJW226M VCKYCY1HB221K VCKYCY1CF104Z VCKYCY1EB103K VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1HF103Z Description 50V Electrolytic XA 920 6 3V Electrolytic XA 920 16V Electrolytic XA 920 16V Electrolytic XA 920 16V Electrolytic XA 920 Ceramic XA 920 50V Electrolytic XA 920 V 33 6 3V Electrolytic XA 920 16V Electrolytic XA 920 16V Electrolytic XA 920 16V Electrolytic XA 920 V 0 015 25V Ceramic XA 920 V 100 6 3V Electrolytic XA 920 16V Electrolytic XA 920 V 0 22 16V Ceramic XA 920 V 22 6 3V Electrolytic XA 920 V 0 22 16V Ceramic XA 920 V 0 1 16V Ceramic XA 920 16V Electrolytic XA 920 V 0 01 50V Ceramic XA 920 V 0 22 16V Ceramic XA 920 V 1 6 3V Ceramic XA 920 V 0 01 50V Ceramic XA 920 V 1 6 3V Ceramic XA 920 V 56p 50V Ceramic XA 920 V 56 50V Ceramic XA 920 V 0 01 50V Ceramic V 0 01 50V Ceramic V 1 50V Electrolytic V 1 6 3V Ceramic V 0 01 50V Ceramic
61. brush is not lost 2 Do not touch directly the drum surface Pinchdrivecamand pinch roller assembling Fit gently the screwdriver to the screws method 4 Since the drum assembly is an extremely precise as Place the following parts in position in numerical order 1 Reverse drive lever 1 Reverse guide spring 2 Reverse guide lever ass y 3 Reverse guide height adjusting nut 4 Pinch drive cam 5 Pinch roller ass y 6 Open lever 7 sembly it must be handled with utmost care 5 Make sure that the drum surface is free from dust dirt and foreign substances 6 After replacing the sure to perform the tape running adjustment After that perform also the electrical adjustment e Playback switching point adjustment e X position adjustment and check e Standard and x 3 slow tracking adjustment 7 After replacing the drum clean the drum 2 3 4 5 6 7 Figure 4 40 Figure 4 39 25 905 920 Insert Reverse Guide Lever Ass y Insert reverse guide lever ass y a 2 Insert pinch drive cam 77 Align here Turn the reverse guide lever assembly counterclockwi Fit the pinch drive cam so that the notch of pinch to the stopper drive cam aligns with the dent of pinch drive lever assembly Fit the pinch drive cam so that the notch of pinch drive lever assembly aligns with the half round notch of chassis Pinch d
62. j nsn 9 v gm L2 838 J 4 j C 5 j 6 PRECAUTION ON FRONT PANEL SET UP Cassette cover Front panel Cassette housing Cassette cover open lever Cassette cover T Cassette cover Cassette cover open lever open lever About 45 Before attaching the front Keep the cassette over about Do not mount the front Removing the cassette compartment cover panel in position make 45 open and make sure that panel with the cassette D Open the cassette compartment cover surethatthe cassette cover the cassette cover open le cover tilted too open fully open lever is in its right ver is between the front panel Otherwise the cassette 2 Remove the center positioner place lower most If it is and the cassette cover Now cover might wrongly run 3 Slide the cover to the right outof position push it down fix the front panel in place onthe cassette housing 4 Slightly bend the cover with a finger 5 Draw out the left side rod 85 905 920 12 PACKING OF THE SET Setting position of the Knobs HF conv CH preset at 3 channel Accessories TiNS 3786AJZZ Operation Manual XA 920 TiNS 3785AJZZ Operation Manual XA 905 TGAN 0001AJZZ Warranty Card U S A Only RRMCG1264AJSA XA 920 Dry Battery RRMCG1263AJSA XA 905 Infrared Remote Control Unit QCNW 8115AJZZ 75 Ohm Coaxial Cable SPAKX1091AJZZ Packing Add TLABKOOO5AJZZ No Label SPAKC4382AJZZ XA 920 SPAKC4383AJZZ XA 905 Pac
63. p cs22 m rcu 2 1 1 QSOCZO293GEZZ IC60 C604 R604 R612 am R MJ TO FE HEAD AE 56K rais eae ey TIR 82K Tu UDIO OUTCR P 1 lt FE HEAD FB20 i R606 BLN O036CE 2 ERASE GND 2 605 27K i eio INCL 15K c228 3 HIFI 4FD PE 100u 2 ReTT ISK 39K JT 6 1 1 R624 R623 D VY oro me 1 I 220K 39K DIR RAE 1C216 mm I Q602 1 R609 I lu u maa sa 4 C Teol 25632037 33K 4 XA 920 or I I 621 RTRNHOO98GEZZ or 2C3939SQR TO MAIN 1 or RTRNHOOBGGEZZ TO MAIN 4 VIDEO_SIG 6 TUNER_VIDEO 23 5 vipEo our 3 2 28 C618 P d i Cv H sw P gt 4 3 a L CTUNER MONO T r 14 1 1 T See i MENDES C ATR_DATA Te RF_CONV_VIDEO D EP_REC H 220uH 1 2 R620 i C613 a DF 15K 0 018u n con s ECC PB_CTL_OUT B R62 2 LCFSC b 4 7 1 I C619 C6l4 m Y C_DATA D BS ory 8615 806 0 AUDIO INC 2 4 TK 1 I C Y7c_cLock D gt 2 0 gt AuDIO_INCL 2 1 1 5 R627 0 7 1 2 3 0 4 T AUDIO OUT R Di 3 3K 0 a35 rele rCAUDIO_OUT L Ji 1 C620 m o teu IC VIDEO_INCF I i QUT iC 25C3052EF
64. roller Weight of 500g Figure 4 31 7 Press the tracking button and change the envelope waveform from max to min and from min to max At this time make sure that the envelope waveform changes nearly parallel Unless the envelope waveform changes nearly par allel adjust the height of supply side and take up side guide roller so that the envelope waveform changes nearly parallel For envelop adjustment procedure refer to Figure 4 35 9 Turn the tilt screw to remove the tape crease at the fixing guide flange Playback the tape and check for tape crease at the fixing guide flange 1 If there is no tape crease Turn the tilt screw clockwise so that tape crease appears once at the flange and then return the tilt screw so that the crease disappears 2 If there is tape crease Turn counterclockwise the tilt screw so that the tape crease disappears Reference If the tilt screw is turned clockwise crease appears at the lower flange 22 Notes 1 Previously set the tracking control in the center position and adjust the envelop waveform to maximum with X value adjustment nut Thereby the tape run rough ad justment is facilitated 2 Especially the outlet side envelope waveform must have higher flatness mt Figure 4 32 2 Adjustment of A C head height and azimuth 1 Perform the initial setting of A C head position by the method stated in 4 15 Replacement 3 2 Connect the oscilloscope to the audi
65. rosa 2060 vO6H I 2 1 s H A ddns UNTRA LINDUID ANIT H3MOd OV 115938 lt hr I el 1262 126 r HJAHOJSNVH L 3S Ind 1061 56 905 920 SCHEMATIC DIAGRAM IMPORTANT SAFETY NOTICE The indicated voltages in the following diagram are measured with an SSVM upon receiving PARTS MARKED WITH ARE color bars 400 Hz sound signal in either the IMPORTANT FOR MAINTAINING THE SAFETY record mode or the play mode voltage is indi OF THE SET cated as follows BE SURE TO REPLACE THESE PARTS WITH an ZEE _ SPECIFIED ONES FOR MAINTAINING THE SAFE mn iP mode TY AND PERFORMANCE OF THE SET 40 EP mode NOTE 1 The unit of resistance ohm is omitted K 1000 ohms M 1 Meg ohm 2 Allresistors are 1 8 watt unless otherwise noted 3 All capacitors uF unless otherwise noted Voltages and waveform are measured as follows e voltages are measured with an SSVM placed between points indicated and chassis ground with the supply voltage of 120V AC and all controls for normal positions This circuit diagram is a standard one actual circuits printed may be subject to change for product improvement without prior notice 57 905 905 920 920 9 SCHEMATIC DIAGRAM AND PWB FOIL PATTERN MAIN CIRCUIT 1
66. working condition prior to the adjustments otherwise adjustments can not be completed Instruments required Color TV monitor Dual trace oscilloscope Audio signal generator AC milli voltmeter Blank video cassette tape Alignment tape VROEFZHS Screwdriver for adjustment Color bar generator RF signal generator P201 TP201 204 Figure 5 1 30 SERVO CIRCUIT ADJUSTMENT 5 1 ADJUSTMENT OF HEAD SWITCHING POINT Dual trace oscilloscope Playback Alignment tape VROEFZHS VIDEO OUT jack to CH2 TP202 Sig TP203 GND to CH1 Measuring instrument Mode Cassette Test point Call up the test mode short circuit between TP801 and TP802 on the operation PWB Use the tracking channel select 4 and W buttons of the set Control Specification 6 0 0 5H lines Connect a dual trace oscilloscope to the VIDEO OUT jack and TP202 Sig and TP203 GND Trigger the oscilloscope with the head switching pulse on TP202 Playback the alignment tape and then short circuit between TP801 and TP802 on the operation PWB to call the test mode Press the PLAY button and the play icon starts flashing in the display and the automatic adjustment function gets started Wait until the play icon in the display stays on to indicate that the adjustment is complete Watch the oscilloscope screen and make sure that the leading edge of the head switching pulse is 6 0H ines ahead o
67. y around the reel disk and insert into the hole of tension arm Ge 14 4 Assemble the Supply main brake ass y Notes 1 2 3 When installing the reel disk take due care so that the tension band is not deformed and grease does adhere Do not damage the Supply main brake ass y Be careful so that grease does not adhere to the brake surface Reassembly Take up reel disk Clean the reel disk shaft and apply grease SC 141 to it Align the phase of the reel disk to that of the reel relay gear and to install a new take up reel disk onto the shaft Check the reel disk height and reassemble the take up main brake ass y Note Take care so that the Take up main brake ass y is not damaged Take care so that grease does not adhere the brake surface After reassembly check the video search rewind back tension see 4 10 and check the brake torque see 4 14 Height checking and adjustment Note Set the master plane with due care so that it does not contact the drum When putting the master plane shift the reverse guide a little in the loading direction Care must be taken since excessive shift results in damage Cassette lock release shaft Position pin Figure 4 6 Note Check that the reel disk is lower than part A but higher than part B If the height is not correct readjust the reel disk height by changing the poly slider washer un
68. 01 201 S p NO447RE a C227 9226 C506 lu 100u Rola REIS ae VIDEO 516 c503 50 4 508 3V 503 o C50 16 01 V H SW P 2 2K 4700F 50 4 7u lou NNN 50V XF C502 6 3v PB_CTL_OUT 4 4 lu 2 0 C312 C505 FV_PULSE Q306 16201 0 1 R50 veer x501 c521 680 BO265GE 514 2SA1530ARS HA83 7NF BO204GE 509 5 220 R207 ee ee Y C AUDIO 0 0 0lu A 100 ITO MAIN 4 PROCESSOR C HIF I HEAD REC 44 2 8 2 4 zu 2 2 2 6 5 5 0 o 5 21 2 6 gt 5 0 28 2 20 2 8 Z y HIFI_HEAD_CH2 9 8 7 6 5 4 3 2 1 9 8 6 5 3 62 59 55 53 2 I 1 iC 1 5 0 HIFI_HEAD_CH lt aon LC vhn 2 1 4 R301 Xe te o f erial Coni VCA TTK C518 ae VCO 0SC SNOR 6dB 0 033u a fa H ES EN oom 82 Q302 Killer em P LEVEL LPF DET OUT Ss C SQUELCH Syne Sep 6 Pu 421 Head swi 52301 Ger 5 H 3 DET Diseri AFC APC APC QSOCNO91 IRENI EP RECCHD 4 0 2 8 LEVEL Det I zu MZ TO DRUM AH ease CATR_DATA ENV DET m 72 1 2 P HIFI CHI 9 R315 O Olu 2FL VCO DOWN 2 m APC C515 I 5K rp 4 2 0 2 HIFI 2 8 5 HPH 27 Phase SW a 6 E 2 3 4 lt
69. 18 C219 C220 C221 C223 Part No Description RCiILP0147GEZZ J Coil CIiLPO147GE or RCiLPO161CEZZ V Coil CILPO161CE RCILPO147GEZZ J Coil CIiLPO147GE or RCiLP0161CEZZ V Coil CILPO161CE TRANSFORMERS RTRNHOO98GEZZ J OSC Transformer or RTRNHOO86GEZZ J OSC Transformer RTRNZ0048AJZZ V Transformer or RTRNZ0047AJZZ V Transformer or RTRNZ0137AJZZ V Transformer CAPACITORS VCKYCY1HB221K V 220p 50V Ceramic VCCCCY1HH101J V 100p 50V Ceramic XA 905 VCEA9MOJW107M V 100 6 3V Electrolytic VCEA0A0JW108M V 1000 6 3V Electrolytic VCKYCY1HF103Z V 0 01 50V Ceramic VCEA9MOJW107M V 100 6 3V Electrolytic XA 920 VCKYCYOJF105Z V 1 6 3V Ceramic XA 920 VCEA9M1HW335M V 3 3 50V Electrolytic XA 920 VCKYCY1HF103Z V 0 01 50V Ceramic XA 920 VCEA9M1HW225M V 22 50V Electrolytic XA 920 VCKYCY1CB104K V 0 1 16V Ceramic XA 920 VCKYCY1CB473K V 0 047 16V Ceramic XA 920 VCEA9M1HWA474M V 0 47 50V Electrolytic XA 920 VCKYCY1CB104K V 0 1 16V Ceramic XA 920 VCKYCY1CB104K V 0 1 16V Ceramic XA 920 VCKYCY1CB273K V 0 027 16V Ceramic XA 920 VCKYCY1CB104K V 0 1 16V Ceramic XA 920 VCEA9M1CW106M V 10 16 Electrolytic XA 920 9 1 105 V 1 50V Electrolytic XA 920 VCFYFA1HA124J V 0 12 50V M Polypro XA 920 VCEA9MOJW107M V 100 6 3V Electrolytic VCKYCYOJF105Z V 1 6 3V Ceramic VCCCCY1HH151J V 150p 50V Ceramic VCKYCY1CF104Z V 0 1 16V Ceramic VCCCCY1HH470J V 47 50V Ceramic VCKYCY1CF104Z V 0 1 16V Ceramic VCKYCY1CF104Z
70. 1ejunoo y ejdsip ou ALON YOA JooJg Jeduue 5 pJ099H INS osneg 99 d d MO S u9Je9S pJeMJ0J 188 0015 5 uoljoun 511015 uoloun Aeldsip 4 eui pue pae dsip s 490 9 y 0 peuuni si amod y U uUAA PUIMA JO pJeAuo 158 poeq ejd Guunp peAeydsip si ede I lt 310NJ TONERS 653 75 5 pessaJd 1 AW1dSIG uoee s JSAOd eui u yM y peurejdxo Aejdsig swp Aejdsip eui peuuni SI amod y u yM su luBiq ejdsip 4 RININ eui pue Aejdsip uonounj niniN eui uo SJOJEDIDUI HOA 34 uo pessaJd uSuM HHMOd 995 S oJjuoo uoun oiseg 026 vX um i EM T T 115 ccr i aed m mem BuipioS tri y59eq eld 995 ju wyedwos y sseg 14015 HOA ANOA JO sjueuoduio ofen 2 995 s jeuiuue uonoeuuo5 905 920 2 DISASSEMBLY AND REASSEMBLY 2 1 DISASSEMBLY OF MAJOR BLOCKS
71. 254 R256 A Main CCD AREA 18K dal ENT De enon I FB202 AUD 1O_MUTE H Z di FM MOD Video AGC 2 BLN 0036CE 552 swis R226 REC 100 main o ANa fo Dev Ad M Carrier Ofset E Y LPE OOR o Jj XA 905 WC DC 5 2 J201 1 ATT ATT R227 56601 R 1048 75 QUAKHOO 22 QSOCNO695REZZ Clamp swi 2 8 HEAD T P R LPF I R42 AUDIO OUT 1 12 CTL SWI5 t a I 1 1 I OV XA 920 ee Bose I 2 3 4 5 6 T 8 9 10 I 12 13 14 15 16 17 18 19 3 4 5 6 7 8 IS R628 y AUDIO IN AUDIO HEAD 2 5 2 5 2 3 0 2 9 2 5 25 2 5 5 2 2 26 6 o 2 0 2 8 21 24 2 8 9 1 4 2 o 2 0 2 8 a REC 0 8 ej 7 2 7 2 1 AUDIO HEAD t C221 C608 C609 R203 1 C603 22u m 4 7u 6 8K 6 8K R629 6 3V 50V C206 C210 C215 C214 o HEAD ev C203 O lu O lu lu lu T Te 1 HEAD 150P 204 m SO lema du decl ee tele ea C20 dia T C223 C207 als ene C209 A C212 J201 1 NT gt C605 Fw et R608 100u R202 E O ku 3s lou C213 QUAKHOO 2AUZZ Mus Tae Aa teu 50V 15K 4 7K 6 3V 1 8K L201 50V iev g Sv 5 4 O i id tO F AUDIO e bd sceo2 a4 e
72. 2BE102J VRD RA2BE102J VRS CY1JF153J VRS CY1JF153J VRS CY1JF102J VRS CY1JF102J VRS CY1JF473J VRS CY1JF473J VRS CY1JF223J VRS CY1JF564J VRS CY1JF332J VRS CY1JF102J VRS CY1JF102J VRS CY1JF681J VRS CY1JF182J VRD RA2BE102J VRS CY1JF822J VRS CY1JF102J VRS CY1JF000J VRS CY1JF103J VRD RA2EE151J VRS CY1JF182J VRD RA2BE154J VRS CY1JF103J VRS CY1JF223J VRD RA2BE223J VRS CY1JF563J VRS CY1JF123J VRS CY1JF000J VRD RA2BE104J VRD RA2BE271J VRD RA2BE104J VRD RA2BE271J VRS CY1JF473J VRD RA2BE391J VRS CY1JF473J VRD RA2BE391J VRS CY1JF103J VRS CY1JF1R0J VRD RM2HD271J VRD RA2BE123J VRD RA2BE123J VRS CY1JF102J VRS CY1JF102J VRD RA2BE103J VRS CY1JF104J VRS CY1JF104J VRS CY1JF123J VRS CY1JF563J VRS CY1JF183J VRS CY1JF223J VRS CY1JF102J VRS CY1JF472J VRS CY1JF332J VRS CY1JF822J VRS CY1JF222J VRS CY1JF102J VRS CY1JF681J VRS CY1JF681J VRS CY1JF104J VRD RA2BE103J VRD RA2BE103J VRD RA2BE103J VRS CY1JF154J VRS CY1JF392J VRS CY1JF104J VRS CY1JF105J VRS CY1JF564J V V lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt Description 1k 1 16W Metal Oxide XA 920 0 1 16W Metal Oxide XA 920 1k 1 8W Carbon 1k 1 8W Carbon 1k 1 8W Carbon 15k
73. 2J 2 2k VRD RA2BE473J 47k VRS CY1JF103J 10k VRS CY1JF561J 560 VRS CY1JF000J 0 VRS CY1JF102J 1k VRS CY1JF222J 2 2k VRS CY1JF103J 10k BALUNES lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt 1 1 8 2k 1 47k 150k 3 3k 1M 10k 1k 18k 2 7K 3 3k 1k 1k 18k 2 7K 3 3k 4 7K 8 2k 10k 100 10k 10k 18k 18k 470k 470k 10k 470k 470k 1k Description 1 2W Carbon 1 2W Carbon 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 8W Carbon 1 8W Carbon 1 16W Metal Oxide 1 8 Carbon 1 16W Metal Oxide 1 8 Carbon 1 8W Carbon 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 8W Carbon 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 8W Carbon 1 16W Metal Oxide 1 16W Metal Oxide 1 8 Carbon 1 8W Carbon 1 8W Carbon 1 8W Carbon 1 8W Carbon 1 8W Carbon 1 8W Carbon 1 8W Carbon XA 920 1k 1k 470 1k 1 16W Metal Oxide 1 16W Metal Oxide 1 8W Carbon 1 16W Metal Oxide 2 7 Resistor ow Metal Oxide 1 2W Carbon 1 2W Carbon 1 2W Carbon 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 8W Carbon 1 16W Metal Oxide 1 8W Carbon 1 16W Metal Oxide 1 8W Carbon
74. 4 u punos jensnun 37 905 920 YOLI se yons 99JJ SI eqni uomneoipur BU 120 499u2 pue aqn uoneoipul 1ueosaJon jo jeudued eui yoouy SAA e dsip 1ue2sauno y Jo pue z amp 1 pue 2 1 utd u w q 1ueuiejy Ajddns s SAA 10801 21 x uoneoipul eui L089 d 10891 eoejdeu ogni eui s euBis pue eJy SAA 1080110 9 0801 pue pue 9 6 z suid eui uo pue V dld 59 dis 0401 eui euDis s guBis WUIJUOD o ejgissod 1i 5 ApZ LV amp L089I JO 1 uid pes jo A ddns eui S AS LO8OI Jo g uid AG 6 Ajddns S dn sjrej eqni Aejdsip u L LHVHO 6669 2660 0691 826 1260 ino 1ole n6 i junus jo eJn rej 10 pue Ayepuodas Jo pue jo 10 Y99349 n3119 JO UIIA BY si ZZNG ueuM LHVHO 1060 SAA 519 1061 2060 0601 1060 ae sued eoe dou pue y
75. 8 8 AZ v 1 06 90 21 40 1 uid 5901 peuesui si 908 y 1 01 10721 40 67 uid seoq peuesui si edej ojoesseo y uedo 1egnnus 10sues uelis Ul 9e JOU SI 9195589 y LHVHO 1040 JO o 1 18 UBAMIEQ eu 10 1 BU LV 49949 10401 eoejdeu 6104291 Jo c uid 1 s SI 1 Jo 1ues es nd S JO euruue Ajddns eui S paJeJJul y wo 9jqissod si ou 1nq y4 w01 lqissod s uorejedo BY 9141550 si ON LHVHO 001000 YOUMS Y99490 NI 334 TNILS aSsNVd AV ld 214 57135 81395599 029130 eJeudued ay 10 NI OA353 1933 HO dois 1531 CA 39VL IOA 1 lASM OA33 1042110 88 p
76. ACK UP R729 R710 RTI R712 QTI I C754 FG output voltage and duty ws VL IV 1 e Mirage 6 CAP RVS L R736 RT3T R51 R735 R734 R732 R796 R781 T RTT8 I RT92 CT55 DTOI CASSETTE 42 RT43 O Q PC CURRENT_L IMIT DRUM_ PG DRUM_F6 CDRUM CTL FG and PG Pulse width FG and PG output phase difference 1S TPS 100 Min Ly T2 T2 0usec Min ee 4 Min DRUM PG r VL IV Max l I I f h f VH 4V Min 1 7 VL IV Te LK TFG TFG 100 850usec 1 Min FG REFERENCE EDGE R740 RT4I D706 D709 SUPPLY TAKEUP CAM SW CAM SW REEL SENSOR REEL SENSOR SENSOR B SENSOR 5805 5806 5883 5884 5885 5886 S887 MENU CH REC PAUSE STILL FF PLAY REW AT 5V 802 803 804 SET S PIC CH R832 AT R846 RTT3 Y C VIDEO FROM PIN52 OF IC201 VIDEO OUT CTO VIDEO OUTPUT OF TERMINAL OF 9201 0251 SEE Cum VIDEO OUT RF TO PIN6 OF TUIOI 50 51 c789 CT90 CAPSTAN MOTOR UNIT 6 FG OUT A OUT 7 F R FG IN V LIM U I ICTO6 LB1988 DRUMZLOADING MOTOR DRIVER PGOUT2 2 STARTER CONTROL CIRCUIT ROTER c2 S
77. C672 ceri Pc Hre LPF gt 2 6 C354 0 22 v m O 7 0 Olu Morro lt 22 I HIFI_HEAD_CH2 D 22u O gt 6 3V 0 7 DET H 60 r HIF I_HEAD_REC 2 C674 1 Dd 2 55 Sw NOISE gt R674 C675 LL SH Current AMP O lu TIT TIT 2 5 C657 2 PNR L oh 166 T v 0 015u x R675 0 027 NOISE M C654 18K 11 63 REDUCTION d i Q Sw2 lev ppt 2 84 vv INPUT SW R INPUT SW L C145 VREF x 3 3u GND 50V l2 BI 14 5 6 8 19 jo Jj 102 js 14 js 16 2 5 0 2 5 2 2 2 5 2 o o 2 220 o 2 5 C168 C651 C169 C677 C661 4 Tu lu eee 4 7u 16V 50V 50V 3662FB 16 5ov t t t ces2 O lu 33u HIFI AUDIO u PROCESSOR e e R664 R666 R654 R656 6 8K 6 8K 6 8K 6 8K R663 R665 R653 R655 47K 47K 47K 47K 1 1 1 1 _ _ 1 2 4 ES 1 920 1 AUDIO_INCR F i I VOLTAGE MEASUREMENT MODE PB Parentheses REC Without Parentheses 64 65 XA 905 XA 920 905 920 OPERATION CIRCUIT S887 KOO86GE or REW O R887 ATK S884 KOO86GE or or P880 QPLGNOAATREZZ P804 PWB P880 STBY CAT _5V lt OVERRID PAUSE H E EST KOO86GE
78. CEA9MOJWA476M VCKYCY1CF334Z VCFVSA1HB474J VCKYCY1EB103K VCKYCY1HB392K VCKYCY1HB392K VCEA9M1CWA476M VCKYCY1EB223K VCKYCY1EB223K VCKYCY1CF104Z VCKYCY1EB223K VCKYCY1HF103Z VCEA9MOJWA476M VCKYCY1HF103Z VCEA9MOJW476M VCKYCY1HF103Z VCKYCY1CF104Z VCKYCY1HF103Z RC FZ023CUMZZ RC KZ0092GEZZ Or RC KZ0147GEZZ Or RC KZ0054GEZZ RC EZ0238CEZZ RC KZ0029CEZZ VCKYPA2HB221K VCKYCY1HB332K VCQYTA1HMA472K VCKYCY1HB221K VCKYCY1HF333Z VCEA0A2AW 106M VCEA0A1VW477M VCEA0A1VW477M VCEA0A1HW226M VCEA0A0JW108M VCEA0A0JW107M VCKYCY1HF103Z VCEA0A1CW337M VCEA0A0JW108M VCQYTA1HM104J VCQYTA1HM104J VCEA9A1CW476M VCEA9MOJW476M VCKYCY1HF333Z VCEA9M1CW 106M VCEA9M1HW105M VCEA9MOJW226M VCEA9MOJW476M VCEA9MOJW476M VCEA9M1CWA476M Ce lt lt lt lt lt lt lt lt lt lt eU lt lt lt lt er ec lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt 4 lt lt lt lt lt lt lt lt X lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt V Description 0 01 50V 1000p 50V 1000p 50V 1 6 3V 1000 6 3V 0 047 5 5V 0 01 50V XA 920 0 01 50V 0 01 50V 0 01 50V 100 35V 0 01 25V 0 047 50V 0 047 50V 22 6 3V 100 6 3V 47 6 3V 0 01 50V 100p 50V 1 50V 0 1 16V 100 6 3V 1 6 3V 1 6 9V 1000p 50V 47 6 3V 0 33 16V 0 47 50V 0 01 25V 3900p 50V 3900p 50V 47 16V 0 022 25V 0 022 25V 0 1 16V 0 022 25V 0 01 50V 47 6 3V 0 01 50V 47 6 3V 0
79. CEZZ QFS B3025CEZZ Or QFS A3025CEZZ QJAKF0013AJZZ QJAKH0012AJZZ QJAKGO0006AJZZ QPLGNO447REZZ QPLGNO447REZZ QPLGZ0883GEZZ RRMCUO081GEZZ Or RRMCUO002AJZZ QSOCN0611REN1 QSOCN0911REN1 QSOCNO695REZZ QSOCZ0293GEZZ QSOCNO0795REZZ QSOCZ0292GEZZ QSOCZO0625CEZZ QPLGNO447REZZ LHLDZ1962AJ00 LHLDZ1962AJ00 Fuse 3 0A 125V Jack XA 905 Jack XA 920 Jack Front AV Jack XA 920 Plug 4 Pin Plug 4 Pin Plug 8 Pin Remote Receiver Remote Receiver Socket 6 Pin XA 905 Socket 9 Pin XA 920 Socket 6 Pin Socket 2 Pin Socket 7 Pin Socket 2 Pin Socket 6 Pin Plug 4 Pin P201 Holder Holder Code AC AB AC AB AC AB AC AB AC AB AC AB 78 DUNTK5846TEV1 OPERATION UNIT R882 R883 R884 R885 R886 R887 R888 R889 R897 R898 5882 5882 5883 5883 5884 5884 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 16W Metal Oxide 1 8W Carbon 1 8W Carbon RESISTORS VRS CY1JF472J V 4 7k VRS CY1JF822J V 8 2k VRS CY1JF103J V 10k VRS CY1JF223J V 22k VRS CY1JF103J V 10k VRS CY1JF473J V 47k VRS CY1JF123J V 12k VRS CY1JF563J V 56k VRD RA2BE563J V 56k VRD RA2BE223J V 22k SWITCHES QSW K0086GEZZ or QSW K0004AJZZ QSW K0086GEZZ Or QSW K0004AJZZ QSW K0086GEZZ Or QSW K0004AJZZ J Switch Stop V Switch Stop J Switch Rec V Switch Rec J Switch Pause Still V Switch Pause Still AC AB AC
80. DET 83 DET C C VIDEO IN 0 84 S CURVE GND Vss u 4 2 j H2 1 5 a FF fg DIT G Parm s 24 a 85 END SENSO IDEO OU 86 S DET H DRUM MUTECL 87 IN VCR L 2 KEY O IN OSD CLK IN 44 NC OSD CLK OUT 43 1X1 567GE TERE 9 L M FWD BARE 92 CURRENT LIMIT XI C32KHz 40 JUMPER 3 p 93 SW aw enD 5806 5805 94 JUMPER 4 OSC I 4 38 KOO86GE KOO86GE STBY CTL B02056E KOGQAAJ oF EAM 95 Nc OSC O CI4MHz 37 4 CRS yy VIDEO_SIG 5 1 R813 96 SHUTTLE VDD 5V 36 VIDEO_OUT 2 18K 5 F TT 815 814 178W 97 SHUTTLE 2 _ N 2 FIP OE REC LED V H SW P 2 vM QM CECI MM ee 1 KEY 1 2 f o8 3 sided UT ATR DATA 5 50006 100 2 5s JUMPER O 5 1 EP_REC H 5 FRONT AV JACK Z8W P STBY LED V CVIDEO_INCF DS 5804 5803 5802 5801 100 o PB_CTL_OUT VIDEO KOO86GE KOO86GE KOO86GE KOO86GE NC PWM OUT 2 i or KOOO4AJ ROAD e 5 l CAP AFC Y C DATA 2 CH SET S PIC EJECT POWER pet 3 9 u tu OUT CAUDTO INEECEXS Et pL E E 2 MUTECL Y C_CLOCK AUDIOCL 18K 5 x Beas ala Bsp ape er ASC Srerti2
81. HIFI REC 7 i C303 2 2 A 1000P 2 0 4 SP D 6 6 Feed Bock 5 R505 2 3 0 5 sP R gt 5 C304 2 2 oca SP m m H TRAP Video ALC 0 4 4 lb fh HPF 2 6 6 4 sP REC 4 JH 7 1 Sw28 x 2 3 5 2 5 gt LP EP 3 fee 2 2 CTL by Pings 8 LP EP L 2 8 cre 4phase Gen s 2 FB203 2 3 P CLOCK BLN OO36CE 9 4 LP EP REC raoa 2 2 dev sP T DRIVER 2 0 HiFi 9PIN 1 9 9 2 C3OI 302 m 4HD 1 6PIN Merck Tu PO P203 XA 905 dinis 9 7 5 0 SP lt 5 7 NO447RE 5 HIFI 4D Q R R275 SC3O NO91 IRE _ NO6 IRE C307 2 5 SW29 8 75 2 12 L I 5 VIDEO OUT 1 2 o Pulse C308 2 3 gt Sw3 CH2 MUTE 2 GND 1000P 2 1 VIDEO IN FM AGcEQ 2 2 Q CHI EQ 4 2 3 yo GND 2 12 i B r 5 R50 DLIM DO Edge T J C310 2 3 Soc ES Det Delay 2 12 MODE ira 11 C607 M 1 en ces 330 Sov 174W 2 4T 6 3 T dev 0251 i 95 Bond Veo 5V 6 2SAI530ARS 218 gt da i Sub LPF Tu R254 R253 C252 NL 3 4 100 100 25 330u Enph De 5 CVIDEO_0UT e vw 6 3V RAG LEAD AGC Det TO MAIN LPF
82. HJZ31 03052 V Washer W3 1 5 2 0 3 AC 15 MLEVFO523AJZZ V Tension Arm Ass y AH 210 XWHJZ31 04052 V Washer W3 1 5 2 0 4 AC 16 LANGF9620AJFW V Head Plate AG 211 XWHJZ31 05052 V Washer W3 1 5 2 0 5 AC 17 MLEVP0271AJZZ V Shifter Drive Lever AE 212 XWHJZ31 06052 V Washer W3 1 5 2 0 6 18 MLEVP0272AJZZ V Pinch Double Action Lever AD 213 XWHJZ31 07052 V Washer W3 1 5 2 0 7 AC 19 MLEVPO0301AJZZ V Reverse Guide Lever Ass y AL 214 PSPAPO009AJZZ V Reverse Guide Adjusting 20 MLEVP0275AJZZ_ V Reverse Drive Lever AD Nut 21 MLEVPO0292AJZZ V Slow Brake Lever AE 216 LX WZ1041GE00 J CW 2 6 6 0 5 CAM AA 20 MLEVP0336AJZZ V Open Lever AD 218 XBPSD30P06J00 V Drum Base Mounting AA 23 MLEVP0293AJZZ V Clutch Lever AE Screw SW 65 24 MLEVP0324AJZZ_ V Supply Main Brake Ass y AF 219 LX WZ1098GE00 J CW 2 6 4 7 0 5 RED AB 25 MLEVP0325AJZZ V Take up Main Brake Ass y AF 220 LX BZ3096GEFD J Tilt Adjusting Screw AA 26 CLEVP0287AJZZ V Automatic Head Cleaner AG 221 XBPSD26P06000 V Azimuth Adjusting Screw Ass y XA 920 2 6465 27 MSLiPOO10AJZZ V Shifter AH 222 LX BZ3197GEFD J Screw A C Head AD 29 MSPRDO0175AJFJ V Reverse Guide Spring 2 223 XWHJZ31 08052 V Washer W3 1 5 2 0 8 30 MSPRTO402AJFJ V Loading Double Action AE Spring 31 MSPRTO403AJFJ V Pinch Double Action AD Spring CASSETTE HOUSING CONTROL PARTS 32 MSPRCO213AJFJ V Earth Spring AC 33 MSPRTO416AJFJ V Tension Spring AD 34 NBLTK0067AJOO V Reel Belt AE 300 CHLDX3081TEV2 V Housing Cont
83. IC201 ee wwe PIN 8 OF 1201 REN gt FROM PIN 84 OF IC201 1O Y C B OK lt ma gt PIN 63 IC201 Y C BLOCK wes PIN 51 OF 1201 BLOCK 0302 TO BIAS OSC BLOCK TO BASE OF Q603 TO BLOCK PIN99 OF 201 WIE ERE usw PIN 27 OF 1651 lt wire an PIN 36 IC651 AND BASE OF Q654 TO HIFI BLOCK PIN 29 30 OF IC651 IFT REC TO HIFI BLOCK BASE OF 0651 ats ws eT gt FROM PIN 56 OF IC651 IE Nor eT FROM PIN 28 OF IC651 TO TUNER BLOCK TO PINI2 OF TUIOI PEL DATA To TUNER BLOCK lt Pres PINII OF TUIOI CPN TO BASE OF 0952 Q982 FROM TUNER BLOCK FROM PIN23 TUIOI TO POWER BLOCK BASE OF 0963 R758 R847 TO HIFI BLOCK PIN43 OF IC651 TO HIFI BLOCK TO PIN42 OF IC651 Q Q OVERRIDE STOI REC TIP SW QTO6 POWER FAIL AT5V BACK UP 5V SYSTEM RESET CAPSTAN FG OUT k CAPSTAN FG 65 5 R C PULSE CAPSTAN RYS L e 75 HEAD CURRENT LIMIT 2 CTL HEAD CAPSTAN ACC STOP L 69 SERVO REF IN CAPSTAN AFC OUT H PB CTL GND i SERVO CAPSTAN APC Gs PWM OUT CAPSTAN APC PAUSECH IN PR
84. NOR_PB_OUT 0 2 44 5 43 T L Y lt o 2 c E gt Lu lt 5 3 2 3 Uu Uu 5 z 5 R673 R672 150 lt 150 M C684 10K Q656 H Sep 1035 259 o o 5 0 C685 C680 T J eH 56P lu lt i C148 12 O Olu Q653 Q654 1045 KRC103S 2 2 0 2 5 DEMOD P BLOCK Voo fo Adj MUTE 1 2 5 0 LOGIC 5597 97 en 27 INPUT 142 VCA 4 C679 100u DET DE EM j 4 1 8 O 22u 6 3V STEREO 0351 1 155119 SAP SEP sw norse t NOISE DET or 4 DEMOD gt i 29 0651 L R X 1 2501306 2 4 5 DEMOD swo Q v NA ZSAP P LINER sw 28 R685 AUDIO LIM e R667 665 sw Ron C678 R669 R668 100 CI60 2 2 Vco Y O Olu 680 22K 2 2 H HOLD SW P 8 2 5ov C357 R351 o 178W PC PB LPF REC ay 2 5 9 LPF co 0 IK 558 GND 26 1351 R145 Y avid IOOuH o Reh SwI5 5 0 MK or 2K R658 R P 22K C655 56 0 5 5 T Q652 R657 lOu FM LI O O 2 6 0352 2501306 100 HEY 4 5 REC lu di TO MAINC2 NN 8 LPF lt 24 IH HIF I_HEAD_CH Lon 2 B C353 R659 9 veo Veo 2 6 3V 0 010 0356 68 2 GND E23 100P
85. OCESSOR PB CONTROL OUT re PB CONTROL AGC ra NC EE L 86 S DET cH SERVO REF OUT 23 V H SW P DRUM PG IN re ATR DATA DRUM FG IN 5e Y C SDA D DRUM MUTE L 5r DRUM PWM OUT G2 24 FV PULSE H 27 REC H FE BIAS CTL DRUM PWM OUT 64 AT 5V RT26 i 10 FRONT AV SW 26 5 START SENSOR 21 AUDIO MUTE i i HIFI REC CTL IC70 END SENSOR 85 MTS MUTE HD 1 SYSTEM CONTROL MTS DET H SUPPLY PROCESSOR REEL Pu se 3 83 NOR DET H Nc Nc i NC 1 SAP H TAKEUP Ne 59 Ne REEL PULSE CAM SW 7 CAM SW B 6 L MOTOR L MOTOR RYS 655 JUMPER 3 CASSETE SW 09 JUMPER 2 99 JUMPER I STBY LED KEY IN JUMPER 4 STBY CTL R843 25848 CASSETTE REW 4 6 17 SDA 5 TEST PLAY KEYO IN 88 lt 18 5 STOP FF Nc 9 3 CHC PAUSE STILL CS FIP CLK gt Nc 12 LOCATER SET S PIC REC M o FIP DATA y EJECT CHGD Nc N POWER MENU TAMPER PROOF LED 95 NC 64 REC TIP Sw n f IN KEYI IN TIMER LED 8 NC Vdd ANALOG 5V Vdd 5V SYNC C VIDEO IN 49 GND VIDEO SXI 05 OSD CLK OUT OSD CLK IN OSCILLATOR XI OSC 14 318 2 Osco 14 318 2 14 318MHz B
86. OFT TIMING POSITION SwiTcHING CONTROL s DETECTOR Gs DRIVE CIRCUIT CIRCUIT CIRCUIT LOADING MOTOR 13 CLOADING MOTOR CF 3 8 5 8 8 5 CLOADING MOTOR C 2 GND LGND AT 24V MN125 Sex T gt FLP DRIVER m jas 5 16 BIT SHIFT REGISTER vss CIRCUIT EE N C I6 BIT OUTPUT DATA REGISTER YR HIGH VOLTAGE OUTPUT PORT 7 FILAMENT FILAMENT DG80 FLUORESCENT DISPLAY TUBE pr SS 3 hou eq 1 s in o 1 U gt FG SENSOR 5 gt LLL TE LL asl aj a 8 4 W OUT 5 H DRUM MOTOR Eoo E R787 RTBB 8 H M GND UPPER SIDE SATURATION gt gt PREVENTION CONTROL XA 905 XA 920 905 920 905 920 SIGNAL FLOW BLOCK DIAGRAM XA 905 gt Playback luminance signal signal Playback chroma signal gt Audio playback signal gt gt Recording luminance signal Recording chroma signal Audio recording signal gt E E signal Audio
87. OM m e x Y Y AV 5V P R Ne Sw L CH IN INPUT 65 Hi Fi AUDIO PROCESSOR HOLD gt SWI8 sue ET H i I SELECTO Sw22 SELECTOR LINE 9651 C679 NOISE DET i TIMING Y OUT R A AUDIQ MUTE N REC AGC DET ACH L R it 3 CA gt V 9201 SZ PB O 549 AUDIO OUT R LINEAR SW Y c ROM PIN3 HIFI HEAD HA 512 R I i 4 0654 AUDIO i O NORMAL Sw LIMIT AUDIO MUTE H 5 15 DET 2 FROM PIN2I OF HIFI HEAD cr MER EE ons H Fm LIMIT lt A DET 60 4H Q653 CH 2 uw SZ lt 1 sw I eT pre NORMAL iia lt gt SAP NOISE DET Z mr LIMIT Wo 518 50 11 HIFI 5V MTS DET TO PIN82 OF IC701 5 14 RECQ Sw4 T bye L R gt 25 DEMOD SAP DET TUNER VIDEO VIDEO OUT RF ROM PINI SY dbx NOISE REDUCTION MATRIX 4 52 TO PIN3I OF 1201 FROM EMITTER OF 0251 DEMOD SWITCH u q 4 R CH Sw2IO 9 2 75usec LAE STEREO DE EMP FILTER 25 6 9013 NOISE H DET RF AUDIO TUNER VIDEO TUNER VIDEO 44 PILOT INPUT INPUT OUTPUT INPUT I lt e i z 3 ul DET va m MUTE P A amp VREF oof 7 lt z a a 22 TUNER AUDIO TUIOI S H ew dcl B 55 of 8 3 S OUTPUT UZV TUNER P R GND LOGIC GND GNDIR
88. SM CHASSIS ep SX CASSETTE HOUSING MAIN PWB 905 920 2 3 CARES WHEN REASSEMBLING INSTALLING THE CASSETTE HOUSING When the cassette housing is installed on the mechanism the initial setting is essential condition There are two initial setting methods namely electrical and mechanical 1 Electrical initial setting So as to perform initial setting of mechanism execute the Step 1 of Installation of cassette housing After ascertaining the return to the initial setting position 1 install the Pulley feed gear INSTALLING THE MECHANISM ON PWB Lower vertically the mechanism paying attention to the mechanism edge and install the mechanism with due care so that the parts are not damaged So as to fix the mecha nism to the main PWB install two housings Fitthe antenna cover to one of them For other fix the vicinity of loading motor and solder joint side of main PWB Connect again the FFC cable AA MH AD ME AH MH between the mechanism and the main PWB END SENSOR REC TIP SW Except XA 905 t Res cassette housing Conditions When mechanism and PWB have been installed 2 Mechanical initial setting Feed the pulley feed gear of loading motor with screw driver After ascertaining the return to the initial set position 1 install the cassette housing in the specified position This method is applied only for the mechanism Casecon drive gear Drive angle of cassette hou
89. V 0 01 50V Ceramic V 12p 50V Ceramic V 15 50V Ceramic V 15 50V Ceramic V 18p 50V Ceramic V 1000p 50V Ceramic V 1000p 50V Ceramic V 1000p 50V Ceramic V 0 1 16V Ceramic V 22 6 3V Electrolytic V 220p 50V Ceramic V 0 1 16V Ceramic V 0 01 25V Ceramic V 0 01 50V Ceramic V 0 01 50V Ceramic V 0 01 50V Ceramic XA 920 V 0 01 50V Ceramic V 0 01 50V Ceramic V 0 01 50V Ceramic V 0 01 50V Ceramic XA 905 XA 920 Code AB AB AB AB AB AA AB AB AB AB AB AA AB AB AA AB AA AA AB AA AA AB AA AB AA 905 920 Ref No C737 C738 2739 C743 C744 C745 C747 C748 C750 C751 C752 C754 755 756 759 760 C763 C764 C770 C771 C774 C775 C776 C783 C784 C785 C786 C787 C789 C790 C791 C792 C794 C795 C797 C798 C801 C802 C803 C804 C805 C818 C819 N C901 N C903 N C903 N C903 C906 N C907 N C908 N C910 C911 AN C915 N C916 C921 C922 N C923 N C924 N C925 N C926 C927 AN C928 N C929 C932 C933 C941 C942 C951 C953 C954 C971 C981 C985 C991 Part No VCKYCY1HF103Z VCKYCY1HB102K VCKYCY1HB102K VCKYCYOJF105Z VCEA2A0JW108M RC EZ0425GEZZ VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1HF103Z VCEA2A1VW107M VCKYCY1EB103K VCKYCY1HF473Z VCKYCY1HF473Z VCEA9MOJW226M VCEA9MOJW 107M VCEA9MOJWA476M VCKYCY1HF103Z VCCCCY1HH101J VCE9EM 1HW105M VCKYCY1CF104Z VCEA9MOJW 107M VCKYCYOJF105Z VCKYCYOJF105Z VCKYCY1HB102K V
90. V 0 1 16V Ceramic VCEA9M1CW106M V 10 16 Electrolytic VCKYCY1CF104Z V 0 1 16V Ceramic VCKYCY1CF104Z V 0 1 16V Ceramic VCEA9M1HW335M V 3 3 50V Electrolytic VCEA9M1CW106M V 10 16 Electrolytic VCEA9M1HW225M V 2 2 50V Electrolytic VCKYCYOJF105Z V 1 6 3V Ceramic VCKYCYOJF105Z V 1 6 3V Ceramic VCKYCYOJF105Z V 1 6 3V Ceramic XA 920 VCEA9MOJW107M V 100 6 3V Electrolytic VCKYCYOJF105Z V 1 6 3V Ceramic VCKYCY1CF104Z V O 1 16V Ceramic VCKYCY1CF104Z V 0 1 16V Ceramic VCEA9M1CW106M V 10 16 Electrolytic VCKYCY1CF104Z V 0 1 16V Ceramic Code AC AD AC AD AE AD AQ AV AQ AA AA AB AC AA AB AB AB AA AB AB AA AB AB AB AA AB AB AB Ref No C226 C227 C228 C251 C252 C254 C256 C301 C302 C303 C304 C305 C306 C307 C308 C309 C310 C311 C312 C319 C320 C327 C329 C351 C352 C353 C354 C356 C357 C358 C501 C502 C503 C504 C505 C506 C507 C508 C509 C512 C513 C514 515 517 518 C521 C523 C524 C601 C602 C603 C604 C605 C606 C607 C608 C609 C610 C611 C613 C614 C617 C618 C619 C620 C621 C622 C630 Part No VCEA9MOJW 107M VCKYCYOJF105Z VCEA9MOJW 107M VCEA9M1CWA476M VCEA0A0JWS337M VCCCOCY 1HH330J VCKYCY1CF104Z VCEA9MOJW 107M VCKYCYOJF105Z VCKYCY1HB102K VCKYCY1HB102K VCKYCY1HB102K VCKYCY1HB102K VCKYCY1HB102K VCKYCY1HB102K VCKYCY1HB102K VCKYCY1HB102K VCKYCY1HF103Z VCKYCY1HF103Z VCCCCY1HH100D VCCCCY1HH100D VCKYCY1HB102K VCKYCY1HF103Z VCEA9MOJW 107M
91. WILS ASNVd 3348 uolnq uong INdNI 4 H3dlAV L uollnq Wd INW 001 H3dWV L Nd Ny SOOD Q2 H98V3S CD OVE 0837 uong AV 1daqd uonnq HOHV3S dlMS peJequnNn MOVE 0832 uollnq 135 OVa m TAONVO 13 TONVO uonng snid HOA O NI SWN10A 10A D lt suoung A V T3NNVHO uollnq AV TdSIGg JOA HOA AL uon gt ung 3895 NO N3389S AV1dSIG d9WAL 19339 yong Loara 1 38 01 1vs Xog 318V2 AL JHL 199135 OL 0351 C LVS 318VO AL HOA suopnq 1 OJ1u05 lous tri 1ndino t y Dunes 995 1019195 LNdLNO v 99 95 I uueuo 1 41 0 r 6 eui Dunes 995 1009195 THNNVHO LNdLNO v T Sean Em A38 ede 995 sjeuiuue uonoeuuo5 suonoeuuo 964862 34 2 995 uoll99uuoo suonoeuuo 462 995 5 uoll99uuoo 026 VX 606 uoneJedo y 91 19 Jaye 00 10
92. ct your nearest SHARP Parts Distributor to order For location of SHARP Parts Distributor Please CallToll free 1 800 BE SHARP HOW TO IDENTIFY CHIP TRANSISTORS AND DIODES BY ITS MARKING 1 Base Input 2 Emitter Ground 3 Collector Output Package Marking Parts No Fig 1 TR TS VS2SA1530ARS1 Fig 1 525 3052 1 Fig 1 VSKRA104S 1 Fig 1 NC VSKRA103S 1 SPARE PARTS DELIVERY SECTION Ref No Part No Description Code PRINTED WIRING BOARD ASSEMBLIES NOT REPLACEMENT ITEM DUNTK5845TEVY Main Unit XA 905 DUNTK5845TEVZ Main Unit XA 920 DUNTK5846TEV1 Operation Unit DUNTK5907TEV1 Video Jack Unit DUNTK5908TEV1 Pause Jack Unit Ref No Part No Description DUNTK5845TEVY XA 905 DUNTK5845TEVZ XA 920 MAIN UNIT XA 905 XA 920 Code 73 TU101 201 1 601 IC651 IC701 IC702 IC706 IC710 IC710 IC710 IC801 IC903 Q251 Q302 Q306 Q501 Q602 Q602 Q602 Q603 Q651 Q652 Q653 Q654 Q656 Q704 Q705 Q706 Q710 Q711 Q801 Q802 0901 0901 0901 N 0902 N 0902 0951 Q952 Q963 Q981 Q982 Q991 Q992 Q993 DG801 DG801 D351 D351 TUNER VTUATMDH2 AO3 V Tuner INTEGRATED CIRCUITS VHiHA8317NF 1 VHiBA7755A 1 VHIAN3662FB 1 RH iX1567GEN2Q VHiPST600H 1 VHiLB1988 1 VHIKS24C02S1E or VHiS24C02A 1 Or VHiBR2402E2 1 VHiMN1251 1 1 VHiKiA431 1 V V V J V V V V V
93. d 1ndui 1noqe 8 e reuBis jeuueo qns 5 18991 Jo 18 SI Jeuuou 1 3 3 4 1H 2 s oipne seaul u 96 ON LHVHO 1042110 1 pue 695 Io 1390 10 9 18 palidde 1 SI 10291 JO 9zZ uId eui 1999 Jo 1992 y MS 84 Y98490 SAA 1049110 81 1 suid pue 219991 10 d daw 008 218991 JO 0g pue 49091 10 gp suid ueeweq Y28049 5 ye pue jenos aly 21990130 26 eui Indu d AS H V SI 6 1ndino 81615 edojeAue xoeqKejd s 16991 eoejdeu SI 3 3 eq 101189 punos A6 Od pue ON LHVHO AG 3 IH JO nouo ozena eui Y99490 S9OI JO 0 padde y S SJA 10 9 uuo2 1 42949 Jo Zz uld 10 5 1 5 3194 S 10 Y99849 JeuiuJ9 jndui 1961 jeyeudued y JO y 1 9 10 z U9 66 pue 1e sutd 1 uo LGQOI peidde AS s Lg suid eui 1
94. der the reel disk Note Whenever replacing the reel disk perform the height check ing and adjustment Reel disk height me YA adjusting jig Mechanism chassis 10 0 2mm m Reel disk ZZ Reel disk Figure 4 7 4 6 CHECKING AND ADJUSTMENT OF TAKE UP TORQUE IN FAST FORWARD MODE Remove the cassette housing control assembly After short circuiting TP803 and TP802 provided at operation PWB plug in the power cord Setting Set a torque gauge to zero on the scale Place it on the take up reel disk 2 Press the FF button 3 To calculate the remaining capacity of the play back mode slowly rotate the supply reel disk and then shift it into the forward mode 4 Checking Turn the torque gauge slowly one rotation every 2 to 3 seconds by hand in the CW direction Torque gauge 30mN m 306gf cm or more The gauge is held at its maximum value Red mark Q N Z Q p Q p 12 r Idler ass y Figure 4 8 Make sure thatthe indication of torque gauge is notless than 30mN m 306gf cm Adjustment If the FF winding up torque is less than the specified value clean the capstan D D motor pulley drive belt and limiter pulley with cleaning liquid and check again If the torque is less than the set value replace the reel belt 15 XA 905 XA 920 Notes 1 Hold the torque gauge by hand so that it is not moved 2 Do not keep the reel disk in lock state Do
95. ed for adjusting the i em JiGDRIVER 6 3 3 ForX value adjustment gear driver 12 Reverse Guide Height BU af This Jig is used for height Adjusting Jig adjustment of the reverse guide This cassette torque meter is used for check 4 11 905 920 4 2 MAINTENANCE CHECK ITEMS AND EXECUTION TIME Perform the maintenance with the regular intervals as follows so as to maintain the quality of machine Maintained Possible symptom encountered Abnormal rotation or significant Guide roller ass y vibration requires replacement E Lateral noises Head Sup guide shaft ofofo occasionally blocked Clean tape contact part with the specified cleaning liquid Reverse guide Full erase head Colour and beating Small sound or sound heat isona Poor S N ratio no colour Clean tape contact area with the Poor flatn fth specified cleaning liquid Upper and lower drum ass A n tape No tape running Capstan D D motor G D __ i No tape running tape afafa fa sagene e slack Clean rubber and rubber contact No tape running tape area with the specified cleaning Reel belt slack no fast forward liquid rewind motion nas Cassette not loaded or miro no Limiter pulley Replace the roller of the cleaner
96. eens pa 108 2 2 Is 15 NAN lx 5 2 5 3 R762 e IK 7 R764 528 9 18K O Olu 248 amp PST600H 4 5 e2 R728 0 2 D702 AT_12V 2 IK o D C727 1 8K 1556119 R763 awe 155119 D 0 0lu o DXO4T5CE 56K or DXO475CE T R765 A V_5V 22K 7 C 2 AN d RTGS 0705 4 7K 2SC3052EF ib 4 TO MAIN 4 20_____________ 1 A H SW P 1 NOR_DET e HIFI REC 2 AUDIO MUTE H _ R C RECEIVER T 1 jo G 1 6 3 3 LB 1988 LCTIC_DATA aod LOADING DRUM 3 C185 G M DRIVER IC x 4Tu MTS MUTE 1 1 R779 R780 9 6 3V 0185 10K 10K rp 4 R785 MTS_DET gt scTo2 3 9K 178 148 SES IM n 050 202926 22 m R5I RTOT R706 1 nd i LOADING o I5K 15K i MG MOTOR T J 28 pc REN I LOADING VCRCLO 549198 2 0991 0951 0981 2 A 5 PXO2TOGE 2SC3203Y 2SAI2TI Y 2SAI2TI Y PLL CLOCK 2 E nro CASSETTE LED 0992 PC 9 Sw PC 5V Sw 5V SW Piq SCTOI 12K 150 2SAISSOARS 3 9 1 NOT95RE 3 174W AFT_S CURVE 3 01 x I ME DRUM MOTOR AD ROUT ap OUT RIN FIN pep
97. er cord 3 Remove in the following numerical order a Remove two screws 1 b Slide and pull up the cassette housing control Figure 4 1 e Reassembly 1 Before installing the cassette housing control short circuit TP803 and TP802 provided at operation PWB press the eject button The casecon drive gear turns and stops when the positioning mark appears Engage two teeth of casecon drive gear with the three teeth of casecon drive angle gear and set on the mechanism chassis as shown below Casecon drive gear Oud Casecon drive y angle gear Figure 4 2 2 Install in the reverse order of removal XA 905 XA 920 Notes 1 When fitting the S E sensor holder to the cassette controller frame L R take care 2 Misengagement of teeth of casecon drive gear and drive angle gear causes malfunction The cassette cannot be set load and ejection are repeated 3 Inthe case when you use the magnet screw driver never approach the magnet driver to the A C head FE head and drum 4 When installing or removing take care so that the cassette housing control and tool do not contact the guide pin or drum 5 After installing the cassette housing control once per form cassette loading operation 4 4 TORUN A TAPE WITHOUT THE CAS SETTE HOUSING CONTROL ASSEMBLY 1 Remove the full surface panel 2 Short circuit TP803 and TP802 3 Plug in the power cord 4 Turn off the power switch The pole bases move into U L p
98. eramic XA 920 100p 50V Ceramic XA 920 0 1 16V Ceramic XA 920 0 1 16V Ceramic XA 920 100 6 3V Electrolytic 1 6 3V Ceramic 4700p 50V Ceramic 2 2 50 Electrolytic 0 022 25V Ceramic 0 47 50V Electrolytic 0 1 16V Ceramic 4 7 50 Electrolytic 0 01 50V Ceramic 0 01 50V Ceramic 0 01 50V Ceramic 0 01 50V Ceramic 330p 50V Ceramic 33 50V Electrolytic 0 033 50V Ceramic 5p 50V Ceramic 0 01 50V Ceramic 0 01 50V Ceramic XA 920 100 6 3V Electrolytic 0 01 25V Ceramic 10 16 Electrolytic 820p 50V Ceramic 10 16 Electrolytic 4 7 50 Electrolytic 4 7 50 Electrolytic 22 6 3V Electrolytic 4 7 50 Electrolytic 0 1 16V Ceramic XA 905 0 1 16V Ceramic 0 018 25V Ceramic XA 905 2200p 50V Ceramic 47 16V Electrolytic 0 01 25V Ceramic 0 01 25V Ceramic 10 16 Electrolytic 5600p 100V 2200p 50V Ceramic 1 6 3V Ceramic Code AA AA AA AB 75 Ref No C651 C652 C653 C654 C655 C657 C661 C662 C663 C664 C665 C667 C670 C671 C672 C673 C674 C675 C677 C678 C679 C680 C681 C682 C684 C685 C701 C702 C703 C704 C705 C706 C707 C708 C709 C710 C711 C712 C713 C714 C715 C717 C718 C719 C722 C724 C726 C727 C729 C730 C736 Part No VCEA9M1HW475M V 4 7 VCEA9MOJWSS36M V 33 VCEA9M1OCW106M V 10 VCEA9M1CW106M V 10 VCEA9M1OCW106M V 10 VCKYCY1EB153K V 0 015 25V VCEA9M1HWA475M V 4 7 VCEA9M0JW336M VCEA9M1CW106M V 10 VCEA9M1CW106M V 10 VCEA9M1CW106M V 10 VCKYCY1EB153K
99. f the vertical sync as shown in Figure 5 2 If the setting is out of this range readjust the data using the channel select and V buttons of the set or the remote controller Finally press the STOP button to quit the test mode CH 1 1V dev 50usec dev CH 2 CH 2 1V dev 50usec dev VIDEO OUT HALE TUT LU CH 1 6 0 0 5H lines V sync HEAD j PULSE Figure 5 2 31 XA 905 XA 920 5 2 ADJUSTMENT OF FV False Vertical Sync OF STILL PICTURE Color TV monitor Playback still Measuring instrument Mode Self recorded tape SP mode See Note below 2 Cassette Control Tracking control buttons or No vertical jitter of picture Play a cassette which was recorded by the unit in SP mode Press the PAUSE STILL button to freeze the picture Look at the monitor screen and adjust or TRACK ING buttons so that the vertical jitter of the picture is minimized Play and freeze the self recorded tape in EP mode and make sure vertical jitter of the picture is not noticeable Note 1 The FV goes back to the it s initial state when the unit is put into the system controller reset mode due to power failure etc In this case preset the FV once again 2 Self recorded tape is a cassette whose program was recorded by the unit being adjusted 5 3 CHECKING OF OFF TRACK Color TV monitor Playback Self recorded tape EP mode See Note below Specification
100. h the punched mark of chassis tentatively tighten the screws 1 and 2 so as to ensure smooth motion of A C head arm Tentative tightening torque must be 0 15 to 0 20 N m 1 5 to 2 0kgf cm Left end of A C head arm gear Punched line mark on chassis Figure 4 25 Note 1 Ifthe screws 1 and 2 are tighten tentatively too loose the azimuth and height of A C head may change when they are finally tightened Therefore care must be taken 2 After completion of A C head be sure to adjust tape running Execute the running adjustment by the method described in 4 18 4 16 HEAD HEIGHT ROUGH AD JUSTMENT Height screw Tilt screw Cassette tape Weight to prevent float 500g Figure 4 26 Setting 1 Set the cassette tape in the unit 2 Press the PLAY button to put the unit in the playback mode 3 Roughly adjust the height of the A C head by turning the height screw until the tape is in the position shown below head Figure 4 27 Adjustment Adjust the height screw visually so that the control head is visible 0 3mm below the bottom of the tape XA 905 XA 920 4 17 HEIGHT ADJUSTMENT OF REVERSE GUIDE 1 Adjust the height from the mechanism chassis to the reverse guide lower flange to 13 38 mm using the reverse guide height adjustment jig in tape loading state Refer to Figure 4 28 a b Reverse guide Reverse guide height Reverse guide height adjusting jig adjust
101. ing jig Mechanism 3 13 38mm chassis a b Figure 4 28 2 Rotate counterclockwise the reverse guide height ad justment nut 1 10 turn For height adjustment use the reverse guide height adjustment box driver JIGDRIVER 11055 Box driver Height adjusting nut Figure 4 29 Set the tape and check for tape crease near the reverse guide in the playback mode If crease is found turn the reverse guide adjustment nut to remove crease As for crease check refer to Figure 4 30 Capstan motor shaft ig Fixing guide An example of crease near the reverse guide Weight to prevent float 500g chassis Reverse guide Check for crease from the A direction Figure 4 30 21 905 920 4 18 ADJUSTMENT OF TAPE DRIVE TRAIN 1 Tape run rough adjustment 1 Remove the cassette housing control assembly 2 After shortcircuiting TP803 and TP802 provided at operation PWB plug in the power cord 8 Check and adjust the position of the tension pole See 4 12 4 Check and adjust the video search rewind back tension See 4 10 5 Connect the oscilloscope to the test point for PB CHROMA envelope output TP201 Set the syn chronism of the oscilloscope to EXT The PB CHROMA signal is to be triggered by the head switching pulse TP202 6 Set the alignment tape VROATSV to play Put a 500g weight on the cassette tape to prevent lift of cassette tape Guide
102. jo Au yduad eui yoauy euloJuo peijdde S pue 67 suid y 19919 5 xoidde W4 S 9915509 s 3 3 seadde jou 1000 si eunjoid qissod si 3 3 jou aunjoid ON LHVHO LHVHO 46 905 920 10111 1 jo z uid 19991 jo 6S uld Indino jndino y o 1892110 ZS pue eur pue HIA VV 8ul 999 SHA LOZOI 10 p uid 0 1ndino 19991 40 69 ye euis oipne 9494 Indino Ju pesodiedns si jeubis seq uo euis opne s 189291 10 78 pue ye payndjno jeubis oipne S 1ndino eur 6090 2090 1091 40849 A euuou eado seiq eui seoq 1992110 gp uid 2 LOzOI Jo 66 uid eui I A 1 U 10601 1 66 eui si Poe KOSO SII 10 guid eui 01 1992110 19 y ueewjeq eui amp 0291 eui olui 1ndui peusis oipne si 15991 10 Sp ui
103. king Case MARK Not Replacement Item 86 905 920 905 920 SHARP COPYRIGHT 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION AV Systems Group Quality amp Reliability Control Center Yaita Tochigi 329 2193 Japan TQ0950 S Aug 2000 Printed in JAPAN NA DS
104. l Oxide XA 905 47k 1 16W Metal Oxide XA 920 6 8k 1 16W Metal Oxide XA 920 47k 1 16W Metal Oxide XA 920 6 8k 1 16W Metal Oxide XA 920 100 1 16W Metal Oxide XA 920 22k 1 16W Metal Oxide XA 920 680 1 8W Carbon XA 920 47k 1 16W Metal Oxide XA 920 6 8k 1 16W Metal Oxide XA 920 47k 1 16W Metal Oxide XA 920 6 8k 1 16W Metal Oxide XA 920 100 1 8W Carbon XA 920 22k 1 16W Metal Oxide XA 920 680 1 8W Carbon XA 920 27k 1 16W Metal Oxide XA 920 10k 1 16W Metal Oxide XA 920 150 1 16W Metal Oxide XA 920 150 1 16W Metal Oxide XA 920 47k 1 16W Metal Oxide XA 920 18k 1 16W Metal Oxide XA 920 1k 1 16W Metal Oxide XA 920 47k 1 16W Metal Oxide XA 920 1k 1 16W Metal Oxide XA 920 Code AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AB AA AA AA AA AA AA AA AA AA AA AA 77 Ref No R686 R690 R703 R704 R705 R706 R707 R708 R709 R710 R711 R712 R713 R714 R715 R716 R717 R718 R719 R720 R722 R723 R726 R727 R728 R729 R731 R732 R734 R735 R736 R737 R738 R739 R740 R741 R742 R743 R744 R745 R746 R748 R749 R751 R752 R754 R756 R758 R760 R761 R762 R763 R764 R765 R768 R769 R770 R772 R773 R774 R776 R777 R778 R779 R780 R781 R782 R783 R784 R785 R786 Part No VRS CY1JF102J VRS CY1JF000J VRD RA2BE102J VRD RA
105. l jigs So as to maintain the initial performance of the machine the maintenance and check are necessary Utmost care must be taken so that the tape 15 not damaged If adjustment needs any jig be sure to use the required jig o F wa 1 Torque Cassette Meter JIGVHT 063 CZ gt ing and adjusting the torque of take up for 72 measuring tape back tension JiGTG0090 2 Torque Gauge 4 JiGTG1200 These Jigs are used for checking and adjusting the torque of take up and supply reel disks Torque Gauge Head JiGTHOOO06 When fixing any part to the threaded 4 Torque Driver JiGTD1200 hole using resin with screw use the Jig Specified torque 5 kg Master Plane Jig and JiGRHO0002 These Jigs are used for checking 5 Reel Disk Height lt idiek heiohi JiGSG2000 r3 There are two gauges used for the 6 Tension Gauge 4 tension measurements 300 g and JiGSGO300 sd 2 0 kg Pinch pressing force This Jig is used with the tension 7 JIGADP003 gauge Rotarytransformer clearance measuring jig GARD adjusting jig Reverse guide height This Jig is TACH height n B the 8 adjustment JIGDRIVER11055 uL e a or reverse guide height ad These tapes are especially used for gt electrical fine adjustment 9 Alignment Tape 525 58pm NTSC Color Bar 1k 58um 1k Black Level 19um only SYNC signal VROEFZHS Guide roller height This screwdriver is us
106. n Buipeo Buunp pie u punos ensnun s Ul 1991 Asse ide Ajddns pue sse JOP uo MOU euo umop dn 1949 1 O1 SUOI O 10 pue 1 uouid preeu punos fensnun 1 1 uouid wed eAup 1 1 HSA Buys OAY 0105 Wed 5 01109 ejesseo vo ecd Asse ejesseo eoe deu pie u punos jesnun sj 4 Mad p SIMI ewou Odd 91 OF uonoefe pue ojesseo ui punos 1 HSA LV 3 ONIGNIM AGOW NI ANNOS TVNSNANN r 36 905 920 SS 99UM 1 D A sse e nd ASIP 99H MOU 1880 10 51880 s ulejs s pie u punos jensnun SHA puey 10jouJ uejsdeo un Jojouu uejsdeo ON uo ued uo sued S3A Aue uim 1061000 Jo Sued eoe do J puy SISSeuo pue ySIp 99J YOOUD YSIp 99 1e 1snuu SAA xsip 99 1sn pv payloeds se ysip 99 S AdH 4
107. ndication of torque cassette meter is higher than the setting shift the tension spring engagement to the part B Figure 4 20 4 14 CHECKING THE BRAKE TORQUE Checking the brake torque at the supply side 4 9 13 7mN m Figure 4 21 Remove the cassette housing control assembly After short circuiting TP803 and TP802 provided at operation PWB plug the power cord Setting Set a torque gauge to zero on the scale Place it on the supply reel disk Switch from the FF mode to the STOP mode Disconnect the power cord Checking Turn the torque gauge at a rate of about one turn 2 sec in the CW direction CCW direction with respect to the supply reel disk so that the reel disk and torque gauge pointer rotate at equal speed and make sure that the value is within the setting CW direction 4 9 to 13 7mN m 50 to 140gf cm CCW direction 2 9 to 9 8mN m 30 to 100gf cm 19 N XA 905 XA 920 Checking the brake torque at the take up side Figure 4 22 Remove the cassette housing control assembly After short circuiting TP803 and TP802 provided at operation PWB plug in the power cord Setting Switch from the FF mode to the STOP mode Disconnect the power cord Set a torque gauge to zero on the scale Place it on the take up reel disk Checking Turn the torque gauge at a rate of about one turn 2 sec inthe CCW direction CW direction so that the reel disk and torque ga
108. not allow long time measurement 4 7 CHECKING AND ADJUSTMENT OF TAKE UP TORQUE IN REWIND MODE Remove the cassette housing control assembly After short circuiting TP803 and TP802 provided at operation PWB plug in the power cord Setting Set a torque gauge to zero on the scale Place it on the supply reel disk Press the rewind button To calculate the remaining capacity slowly rotate the take up reel disk and then shift it into the rewind mode Co N Checking Turn the torque gauge slowly one rotation every 2 to 3 seconds by hand in the CCW direction Make sure that the indication of torque gauge is not less than 30mN m 306gf cm Torque gauge 30mN m 306gf cm or more The gauge is held at its maximum value Red mark Supply reel disk EY SS NI 7 7 Idler ass y Figure 4 9 Adjustment Ifthe rewind winding up torque is less than the specified value clean the capstan D D motor pulley drive belt and limiter pulley with cleaning liquid rewind again and check the winding up torque If the winding up torque is still out of range replace the drive belt 905 920 Notes 1 Hold the torque gauge by hand so that it is not moved 2 Donot keep the reel disk in lock state Do not allow long time measurement 4 8 CHECKING AND ADJUSTMENT OF TAKE UP TORQUE IN RECORD PLAYBACK MODE Remove the cassette housing control assembly After sh
109. nvelope envelope tape float above the helical tape float above the lead The supply helical lead The take up side guide roller is then side guide roller is then rotated in the clockwise rotated in the clockwise direction to flatten the direction to flatten the envelope envelope Figure 4 35 8 Move the A C head with the X value adjustment gear Notes driver by the method shown in Figure 4 33 and When the A C head X value adjustment is performed be adjust the A C head so as to get the maximum sure to perform at first X value rough adjustment refer to 4 envelope waveform Note At this time adjustsoas 18 3 to get the maximum envelope waveform nearest the A C head position which has been set in case of X value rough adjustment as stated in 4 18 3 4 Tighten finally the screws 1 and 2 Be sure to tighten at first the screw 1 and then the screw 2 Final tightening torque is 0 6N m If the screw 2 is tightened first the X value may deviate 5 Adjust the playback switching point Refer to the electric adjustment method 6 Playback the self picture recorded tape and check the flatness of envelope waveform and sound Figure 4 36 23 905 920 4 19 REPLACEMENT OF THE CAPSTAN D D DIRECT DRIVE MOTOR Remove the mechanism from the main PWB refer to 2 2 1 When removing the mechanism from the main PWB Removal Follow the order of indicated numbe
110. o output termi nal 3 Using the alignment tape in which 1 kHz linear audio signal has been recorded adjust the height screw so as to get max audio output 4 Using the alignment tape in which 7 kHz linear audio signal has been recorded adjust the azimuth screw so as to get max audio output 5 The adjustment of 3 and 4 twice or three times repeat and finally adjust 4 For X value adjustment Adjust the X value turning the gear type screwdriver Figure 4 33 3 Tape run adjustment 1 Connect the oscilloscope to PB CHROMA envelope output test point set oscilloscope sync to EXT trigger input the PB CHROMA signal head switch ing pulse 2 Rough adjustment of X value Tentatively fix A C head arm screws 1 and 2 by the method described in 4 15 Replacement 3 Playback the alignment tape VROATSV and shortcircuit TP801 and TP802 As a result the auto tracking is automatically cancelled so that the X value adjustment mode is set Move the A C head with the X value adjustment gear driver JiGDRiIVER 6 by the method shown in Fig ure 4 33 and adjust the A C head so as to get the maximum envelope waveform Note When the A C head is adjusted adjust so that the maximum envelop waveform is obtained nearest the position of initial setting made in 4 15 905 920 8 Next Press the tracking button and change the envelope waveform from max to min and from CHROMA _ to max
111. ort circuiting TP803 and TP802 provided at operation PWB plug in the power cord Turn off the power switch Open the cassette torque meter lid and fix it with tape Load the cassette torque meter into the unit Put the weight 500g on the cassette torque meter Turn on the power switch Set value EP6 9 2 5mN m 70 25gf cm Cassette torque meter Figure 4 10 Press the picture record button and set EP picture record mode x3 Checking Make sure that value is within the setting 6 9 2 5mN m 70 25gf cm The winding up torque fluctuates due to variation of rotation torque of limiter pulley ass y Read the center value of fluctuation as setting Set the EP record mode x3 and make sure that the winding up torque 15 within setting Adjustment If the playback winding up torque is not within the setting replace the limiter pulley assembly Note When the torque cassette 15 set put a weight 500g to prevent rise When the cassette torque meter is taken out Turn off the power switch 16 4 9 CHECKING AND ADJUSTMENT OF TAKE UP TORQUE IN VIDEO SEARCH REWIND MODE Remove the cassette housing control assembly After short circuiting TP803 and TP802 provided at operation PWB plug in the power cord Setting Press the playback button and rewind button to set the video search rewinding mode e Checking Place the torque gauge on the supply reel disk and turn it counterclockwise very slo
112. osition 5 Open the lid of a cassette tape by hand 6 Hold the lid with two pieces of vinyl tape 7 Setthe cassette tape in the mechanism chassis 8 Stabilize the cassette tape with a weight 5000 to prevent floating Turn on the power switch 10 Perform running test Weightto prevent float 500g Note The weight should not be more than 500g To take out the cassette tape 1 Turn off the power switch 2 Take out the cassette tape 905 920 4 5 REEL DISK REPLACEMENT AND HEIGHT CHECK Removal 1 Remove the cassette housing control assembly 2 Pull the tension band out of the tension arm ass y 3 Remove the Supply Take up main brake ass y 4 Open the hook at the top of the reel disk and remove the reel disk Note Take care so that the tension band ass y and main brake ass y especially soft brake are not deformed Tension arm ass y Take up main brake ass y Supply main brake ass y Tension band ass y d X W NS y f Supply reel disk Figure 4 4 Take up reel disk Note When the tension band is pressed in the direction of the arrow for removal the catch is hard to be deformed Figure 4 5 t 5 Reassembly Supply reel disk 1 Clean the reel disk shaft and apply grease SC 141 to it 2 Match the phases of reel disk and reel relay gear and set the new reel disk 3 After checking the reel disk height wind the tension band ass
113. pole adjuster Sup guide shaft Tension pole 2 3 0 25 Make the adjustment with the beginning of a T 120 tape Figure 4 18 Figure 4 15 Adjust so that the delta mark of tension pole adjuster is At left side from the center line within 90 range left right 4 13 CHECKING AND ADJUSTMENT OF RECORD PLAYBACK BACK TENSION Remove the cassette housing control assembly After short circuiting TP803 and TP802 provided at operation PWB plug in the power cord Setting 2 3 0 25 1 Turn off the power switch 2 Open the torque cassette meter and fix with tape Figure 4 16 P 3 Set the cassette tape in loading state 4 Put the weight 500g on the cassette torque meter Insert the slotted screwdriver in the tension pole adjuster 5 Turn on the power switch and rotate counterclockwise At right side from the center line Weight to prevent O float 500g Cassette torque meter 2 3 0 25 Figure 4 19 Figure 4 17 e Checking 1 Push the REC button to place the unit in the SP record Insert the slotted screwdriver in the tension pole adjuster mode and rotate clockwise 2 At this time ascertain that the back tension is within the setting 36 5 to 52g cm by seeing the indication of torque cassette meter 18 Adjustment If the indication of torque cassette meter is lower than the setting shift the tension spring engagement to the part A If the i
114. position in the main frame 1 Start and end sensors Q701 and Q702 Insert the sensor s projection deep into the upper hole of the holder Referring to the PWB fix the sensors tight enough 2 Photocoupler 1 901 Refer to the symbol on the PWB and the anode marking of the part 3 Cam switches A and B D708 and D709 Adjust the notch of the part to the white marker of the symbol on the PWB Do not allow any looseness 4 Take up and supply sensors D707 and D706 Be careful not to confuse the setting direction of the parts in reference to the symbols on the PWB Do not allow any looseness 905 920 1 GENERAL INFORMATION 1 1 FEATURES Only for XA 905 Universal Remote Control Only for XA 920 Built in MTS Multi channel TV Sound Decoder e The VCR Plus Programming System Universal Remote Control with light up buttons Hi Fi Stereo Sound VHS Automatic Head Cleaning System Built in Front AV Jacks Common Features 400 Times Rewind Speed to Fast Forward and Rewind e 19u Clear Picture System in EP mode HQ System for Better Resolution and Color Reproduction e Multi Language English Spanish French OSD On Screen Display with Menu Screen Guidance 181 channel PLL Quartz Synthesized Random Access Tuner e Quick Start with Full Loading Mechanism 1 Year 8 Event Programmable Timer EZ Set Up S VHS Quasi Playback Double Azimuth 4 Heads with Automatic Channel Set
115. rive lever ass y Figure 4 41 1 2 Insert Pinch Roller Pinch Double Action Lever Ass y 3 Insert Open Lever Pinch Roller Double Action Lever Ass y Open lever Phase Matching Point Figure 4 41 2 Figure 4 41 3 26 4 23 INSTALLING THE SHIFTER Capstan D D motor Reel pulley Bottom side of mechanism chassis Figure 4 42 Insert point 3 Phase matching point Shaft 1 XA 905 XA 920 Make sure that the loading gear is at the Phase Match ing point 1 as shown below Install paying attention to insert point and release point 3 For the phase matching at the insert point 1 see the Phase Matching point 2 as shown below Finally fix the inserts 1 and 4 Phase Matching point Loading gear T Round mark Insert ee UA point Insert point 5 point 3 Figure 4 43 905 920 4 24 INSTALLING THE MASTER CAM AT REAR SIDE OF MECHANISM CHASSIS 1 Make sure beforehand that the shifter is at the point as shown below 2 Place the master cam in the position as shown below E ring XRESJ30 06000 Master cam Fully turn rf clockwise A Q ANO cm qA eee Fully turn counterclockwise Face the wide tooth side ward Figure 4 44 1 Note See the figure below for the phase matching between the master cam and the casecon drive gear 3 Finall
116. rol 35 NDAiV1078AJO0 Reel Disk AE 36 NGERH1293AJZZ V Loading Connect Gear AD JEBNGESSSERUFYM V Ak 79 905 920 Ref No 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 600 601 602 602 1 602 1 603 604 605 606 607 608 609 610 612 613 614 614 615 616 NGERRS3005AJFW NSFTD0041AJFD Drive Angle Gear AG Main Shaft AH Part No Description Code LHLDX1028AJ00 V Frame AH LHLDX1032AJ00 V Frame R AH LHLDX1030AJZZ V Holder L AE LHLDX1031AJZZ V Holder R AE MLEVF0O469AJFW V Proof Lever R AE MLEVPO281AJO00 V Door Open Lever AD MSLiF0076AJFW V Slider AK MSPRDO0151AJFJ V Proof Lever R Spring AB MSPRDO166AJFJ V Drive Gear R Spring AE MSPRPO0175AJFJ V Cassette Spring AE MSPRT0381AJFJ V Double Action Spring AC NGERH1278AJZZ V Drive Gear L AE NGERH1309AJZZ V Drive Gear R AE NGERR1008AJO00 V Double Action Rack Gear AE V V CABINET PARTS GCABAS3136AJSM V Top Cabinet AT GCABB1224AJKB V Main Frame AP GCOVA2076AJKZ V Antenna Terminal Cover AG HiNDP2071AJZZ V BNC IND P XA 920 AK HiNDP2072AJZZ V BNC IND P XA 905 AK PSLDM4566AJFW V Shield Angle AD XHPSD26PO6WSO V Screw AA XHPSD30PO6WSO V Screw AA LANGKO197AJFW V Top Cabinet Fix Angle AG XEPSD30P14XSO V Screw AB LX HZ3047GEFF J Screw AA XEBSD30P12000 V Screw AA LX HZ3087GEFN J Screw AB LHLDZ1962AJ00 V Sensor LED Cover AD PGUMSO026AJZZ V Foot Cushion AB TLABM4308AJZZ V Model Label XA 920
117. rresponds to 0 3mA rms AC or more is excessive and indicates a poten tial shock hazard which must be corrected before returning the video cassette recorder to the owner AS SSVM o AC SCALE 0 15 uF TEST PROBE CONNECT TO KNOWN EARTH METAL PARTS GROUND WARNING TO REDUCE THE RISK OF FIRE OR ELEC TRIC SHOCK DO NOT EXPOSE THIS AP PLIANCE TO RAIN OR MOISTURE CAUTION NEL OF ELECTRIC SHOCK CAUTION REDUCE THE vee E USERS SHOCK D NOT REMOVE COV SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL This symbol warns the user of uninsulated voltage within the unit that can cause dangerous electric shocks This symbol alerts the user that there are important operating and maintenance instructions in the literature accompanying this unit CAUTION This symbol mark means fast operating fuse For continued protection against risk of fire replace 3 0A 125V only with same type fuse F901 3 0A 125V 905 920 PRECAUTIONS IN PART REPLACEMENT When servicing the unit with power on be careful to the section marked white all over This 15 the primary power circuit which 15 live When checking the soldering side in the tape travel mode make sure first that the tape has been loaded and then turn over the PWB with due care to the primary power circuit Make readjustment if needed after replacement of part with the mechanism and its PWB in
118. rs Remove the reel belt 1 2 Remove the slow brake lever 2 3 Remove the three screws 8 Capstan D D motor Capstan D D control PWB motor own 2 Slow Brake lever 1 Reel belt Figure 4 37 1 Reassembly 1 Taking care so that the capstan shaft does not contact the mechanism chassis set its position on the mecha nism chassis and then install with the three screws 2 Install the slow brake lever 3 Install the reel belt Notes 1 Before installing the capstan D D motor confirm whether an acetate tape ZT APEN120020E is drawn on the back of mechanism chassis 6 lt Mechanism Chassis from the back Stick an acetate tape on the projection part of the chassis O Figure 4 37 2 2 After installing the capstan D D motor be sure to rotate the capstan D D motor and check the movement 3 Set the tape and check for the tape crease near the reverse guide in the playback mode Adjust the A C head and azimuth as stated in 4 18 item 2 If crease is found adjust as stated in 4 17 HEIGHT ADJUSTMENT OF REVERSE GUIDE 24 apstan Motor Installation position 4 20 REPLACEMENT OF DRUM D D MOTOR 1 Set the ejection mode 2 Withdraw the main power plug from the socket Removal Perform in numerical order 1 Disconnect the FFC cable 1 2 Unscrew the D D stator assembly fixing screws 2 3 Take out the D D stator assembly 4
119. sing PARTS WHICH NEED PARTICULAR CARE When installing the mechanism chassis on the PWB unit take care so as to prevent deformation due to contact of mechanism chassis with REC TIP SW AE CONNECTOR AC CONNECTOR gt START SENSOR AL CONNECTOR 905 920 3 FUNCTION OF MAJOR MECHANICAL PARTS TOP VIEW WA E Full erase head Take up main brake Supply pole base ass y Pinch drive cam Tension arm A C head ass y Idler wheel ass y Reverse guide lever ass y Pinch drive lever ass y Casecon drive gear Supply reel disk Take up reel disk Supply main brake Pinch roller lever 905 920 FUNCTION MAJOR MECHANICAL PARTS BOTTOM VIEW Drum ass y Loading motor Drum drive motor Take up pole base Slow brake lever Master cam Capstan D D motor Reel belt Clutch lever Limiter pulley ass y Shifter 905 920 4 ADJUSTMENT REPLACEMENT AND ASSEMBLY OF MECHANICAL UNITS The explanation given below relates to the on site general service field service but it does not relates to the adjustment and replacement which need high grade equipment jigs and skill For example the drum assembling replacement and adjustment service must be performed by the person who have finished the technical courses 4 1 MECHANISM CONFIRMATION ADJUSTMENT JIG So as to perform completely the mechanism adjustment prepare the following specia
120. so W uoll9919p lI 8 MS 6040 apisino 6 SHES JOJOW WNG Aemyyey 1u6neo si ll sseo 7095 BOD 086 MS uollisod 5900 Wed pue 5 i ican p a ind ipeo J9 UNOD Wed pue ewou 51815 Bulpeo7 Josues Sepi S YOR qnodq yew weg polN 3 1 sdols J010Uu Buipeo pue SI 2195852 9 9SSe9 uesu pug TENE EEST S rejep JOU s uisiueuoeui euj eui ino y sequosep SIUL NOILVH3dO INSINVHO3IN 9NILOOHS318f08 I LHVHOMO 14 INSINVHO3MW 32 905 920 puq SHA 10sues 884 0 S peeds 1O Ouu uejsdeo dois 1 uejsdeo 195 dojo Duipeo dois peeds Ul suuni ue sdeo 91885 0 J0 ouu uejsdeo 195 Kay dOLS 55814 44 uonisod I SI U9IIMS 9101 uouid sseJg esIMX90 2Jejunoo aee dOLS AV Id O3H JSA lt 1 Buipeo
121. ting 1 2 SPECIFICATIONS Format Video Recording System e Simple Recording Timer e Sharp Super Picture Rec Tab Override Remote Pause IN OUT Jacks BNC Video Connectors 3 Wire Grounded AC Power Cord 1 hour Timer Backup Field Still Variable Slow Frame Advance Real Time Counter Automatic Daylight Saving Time D S T Adjustment Blue Screen Noise Elimination Auto Tracking Control System Digital Program Search System DPSS Skip Search Instant Replay Exact Rec Tape Remaining One Step Rewind Auto Zero Back Recorded Section Auto Repeat Full Automatic Playback Tamper Proof Up to 8 Hours of Recording and Playback with T 160 cassette VHS NTSC Standard Rotary Two Head Helical Scanning Number of Video Heads 4 Video Signal Standard Audio Recording System Tape Width Tape Speed Maximum Recording Time Channel Coverage Antenna Input Video Input Video Output Audio Input Audio Output Hi Fi Audio Only for Hi Fi model Memory Backup Operating Temperature Storage Temperature Power Source Power Consumption Dimensions approx Weight approx Accessories included Note NTSC Color System 1 Stationary Head for Linear Audio 2 Rotary Heads for Hi Fi stereo Only Hi Fi model 12 7 mm 1 2 inch SP 33 35 mm sec 1 31 i p s LP 16 67 mm sec 0 66 i p s playback only EP 11 12 mm sec 0 44 i p s SP 160 min T 160 EP 480 min T 160 VHF 2 13
122. ue 8 eui 1e uonoun eui 5 ON S 9481 ll sse2 ey u ym joejuoo uoiMs seoq 99 JOU S 1ndui 9 LHVHO 39 905 920 uejsdeo l S3A OV Jo s uid 0 poo o Ajddns eui s AEZ LY AEZ ui S ON SAA 1noqe 0 10 g uid 1e eui S SAA JOJOBUUOD OY JO g uid o dn pue 040130 26 ay 1042110 6z uld dn aui pue 1 OY y 10 OY puid 1185 ON A9 z uey y S SAA 919 1998 wed 1 OY g uid SUI AS Od 39912 pee AS Jo A ddns eui S SHA SAA 10 0130 eg uid A9 z 1noqe uey S SHA 1O Ouu Buipeo uni Duipeo y s odq 10291 Y99490 10 0W ay dn Aem euiuJe JO OW Buipeo pue 90 91 ON 18 perjdde au S uni 1olouu uejsdeo 1 SHA
123. uge pointer rotates at equal speed and make sure that the value is within the setting CCW direction 4 9 to 13 7mN m 50 to 140gf cm CW direc tion 3 9 to 10 8 mN m 40 to 110gf cm Adjustmentofthe brake torque at the supply side andthe take up side Unless the supply side brake torque or take up side brake torque is within the setting clean the felt surface of reel disk supply take up brake lever check again the brake torque If value cannot be set within the setting yet replace the main brake ass y or main brake spring 905 920 4 15 REPLACEMENT OF Audio Control HEAD 1 Remove the cassette housing control assembly 2 In unloading state unplug the power cord Removal 1 Remove the screws 1 2 3 Azimuth screw Tilt screw 2 Unsolder the PWB fitted to the A C head Notes 1 When replacing never touch the head If you touched clean with the cleaning liquid 2 When removing the screw take care so that the spring may out Tilt screw Azimuth screw fe Spring Figure 4 23 Replacement 1 Solder the removed PWB to the new head assembly 2 Adjust the height from the A C head arm lower surface to the A C head plate to 10 8mm with slide calipers 3 places of azimuth screw section tilt screw section and A C head front section See the figure below Solder A C head PWB 10 8mm Figure 4 24 20 3 Align the left end of gear of A C head arm wit
124. uid pue 10291 jo 29 pue gg suid eui eui 10291 10 LG uid 5 41001 40 29 pue 1042110 eui 1ndino eunjord si y perijdde enses 5 10 2130 6 pue AG DA 34 1001 40 ueeweq eui 1022110 06 pue 19 zL suid eui perjdde 5 1042110 6p uid eui 1ndui eunjord S 10201 30 26 eui 1ndino eunjord si 109130 1 pue A N 10 GZ uld ay eui Y09949 Jeuni A N LOZOI JO Og uid pue 21020130 1 pue Indu 1 1 5 ndu D Jeedde s op 3 3 1 LHVHO 44 905 920 LOZ2I JO 06 y AS 99A O3u 3ud SI LOZOI 40 16 pue ze suid pue 143 pe pue ge suid 0291 1ndino Jepui A9 y eoe daiJ 10 YOOUD SAA d dyw xoidde jeubis W4 1 s 43 LOZOI JO 245 48 pue 98 pue 1485 68 pue gg suid eui 1ndino og xoidde jeuDis p10991 s qS amp LOZOI 10 GE uld eui 1ndino Jsung d dAW 081 jeubis 5 LOZOI JO y indui 9 190
125. um Drive Motor AT XA 920 DUNTK5908TEV1 PAUSE JACK UNIT 62 RMOTP1151GEZZ J Drum Drive Motor AT XA 905 63 DDRMWOO29TEX1 V Upper and Lower BU SWITCH Drum Ass y XA 905 58801 QSW S0242GEZZ J Switch Override AD 63 00 1 V Upper and Lower BU Drum Ass y XA 920 MISCELLANEOUS PARTS 65 QBRSK0041GEZZ J Drum Earth Brush AD 18801 QUJAKJOOO7TAZZ V Jack AC 66 XBPSD26P05J00 V Drum Drive Motor AA J8802 QJAKJOO07TAZZ V Jack AC Mounting Screw P8801 QPLGNO447REZZ V Plug 4 Pin AA SW2 6P 5S 67 PGiIDCOO56GEFW J Drum Base AL 68 QPWBF5468AJZZ V PWB LDG Motor AE 69 QPLGZ0292GEZZ J Socket LDG Motor AE MECHANISM CHASSIS PARTS 70 MSPRC0223AJFJ V Azimuth Spring AC 71 MSPRC0224AJFJ V Height Adjusting Spring AC 1 LBNDK1011AJZZ V Tension Band Ass y AH 2 LBOSZ1007AJZZ V Tension Arm boss AD 4 LBOSZ1006AJZZ V Cassette Stay L AD SCREW NUTS AND WASHERS 5 LCHSMO174AJZZ V Main Chassis Ass y AV 6 LHLDZ2016AJZZ V Loading Motor Block AG 7 LPOLM0070GEZZ J Supply Pole Base Ass y 201 XBPSD26P08000 V Screw 2 6P 8S A C Head AA 8 LPOLM0064GEZZ J Take up Pole Base Ass y AM 202 LX HZ3082GEZZ WSW 2 6 6 AC AD 9 MLEVF0518AJZZ V Take up Loading AF 203 XJPSD26P06000 V Screw 2 6P 6 AA Arm Ass y For Capstan Motor 10 MLEVF0519AJZZ V Supply Loading AF 207 XHPSDS30P0O8WSO V Screw C3 0P 8S AA Arm Ass y For Drum Base 11 MLEVF0499AJZZ V Pinch Drive Lever Ass y 208 XRESJ30 06000 E Ring E 3 AA 12 MLEVFO500GEZZ J Pinch Roller Lever Ass y AW 209 XW
126. wly one rotation every 1 to 2 seconds and check that the torque is within the set value 14 0 3 9mN m 144 40gf cm Torque gauge CCW Supply reel disk Figure 4 11 Note Surely put the torque gauge on the reel disk to measure If the torque gauge is raised accurate measurement is impossible Adjustment Ifthe rewinding playback winding up torque is not within the setting replace the limiter pulley assembly Note The winding up torque fluctuates due to variation of rota tion torque of supply reel disk Read the center value of fluctuation as setting 4 10 CHECKING THE VIDEO SEARCH REWIND BACK TENSION Remove the cassette housing control assembly After short circuiting TP803 and TP802 provided at operation PWB plug in the power cord Checking After pressing the play button press the rewind button and set the video search rewind mode Place the torque gauge on the take up reel disk and turn it counterclockwise very slowly one rotation every 2 to 3 seconds and check that the torque is within the set value 3 4 1 5mN m 35 15gf cm Torque gauge CCW Take up reel disk Figure 4 12 Notes Set the torque gauge securely on the take up reel disk If it is not secure the measurement will be incorrect 4 11 CHECKING THE PINCH ROLLER PRESSURE Remove the cassette housing control assembly After short circuiting TP803 and TP802 provided at operation PWB plug in the power cord
127. y fix with the E ring Master cam lt Casecon drive gear v 2 2 CN AVAVA lt RY f KO Half round notch lt lt 7 Round mark When installing the master cam align the casecon drive gear round mark with the half round notch of master cam Figure 4 44 2 4 25 REPLACEMENT OF LOADING MOTOR Removal pply grease Figure 4 45 Replacement Remove the loading motor and install the replacement loading motor as shown below 10 20 LL i Figure 4 46 The loading motor pressing in must be less than 14 7 N 1 500 gf Adjust the distance between motor and pulley to 10 2 02 28 905 920 0 D Q Q lt f MSPRT0381AJFJ LANGF9592AJFW chesorsoil Apply grease Figure 4 47 ply grease Drive gear R o gt NS Top surface should be free from scrat Drive angle 4 26 ASSEMBLY OF CASSETTE HOUSING 1 Drive Gear and R Drive angle ass y lt EZ sZ 2 Synchro Gear Drive Gear L and Drive Gear Figure 4 48 29 905 920 5 ELECTRICAL ADJUSTMENT Notes Before the adjustment Electrical adjustments discussed here are often required after replacement of electronic components and mechanical parts such as video heads Check that the mechanism and all electric components are in good
128. z 5 fft ES 2 5 I I 1 4 8 1 LE 2 I 53 0802 CT24 d M d k 2 4 1035 Qro E 29 o 1 R773 3 3 7 IK lt 0 0lu odod 2 2 2k 276 52 lt Cesc R719 r s701 po x 2 0 MNI25117 END SENSOR IK 3 volu lu ia 42 5 CS OE SDO SDI reese d TIESI we ML C775 d Sw Q ii PAUSE CH x 1 100u gt 4 5 S 6 3 d 5 2 5 5 25 9 5 nu R746 PB CTL OUT 75 73 72 71 69 66 65 64 63 62 61 59 58 57 56 55 54 53 52 10K PAUSE IN 2 ae TO MAIN 2 NT o AC4 0 2 ATR DATA Q olal 2 5 lt 5 in sensor 2 e 9 a lt 5 lt S DET H 2 5 criam olola gt o laljoj c o 1 2 go JUMPER ME 9 905 NC ole r9 emer 21310 lt MM lt lt 1515 lu LOOP D KEY 2 IN 2 n o o z o o o r 229 gt gt 2 Zz lt lt gt 50V NP 2 2 MTS_DET 82 MTS DET SYNC IN 5 2 Lu lt gt 4 5 NOR_

SERVICE MANUAL

Contents

Download Pdf Manuals

Related Search

Related Contents