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SERVICE MANUAL - Wiki Karat

1. o z gt Hs 55 GN px ay mn a s oo NE a5 Bye e Lu ad 5671 5 m in mo on TN NO M 82 ni 8 ox O O oo 12k 0 01 50V PET A BECK PB AMP RV304 5 220k d06 1282 B BECK PB AMP RV354 220k L gt E Ndy3 BOT 21 goo b E 2 ol Te lt Fi 1 HWdVJ 0 Em W9HLV 1 z W9HL4 ra ar LNHSY lt E aG BLEU mem A a GNOG 11 Mom 4 4WHY s Li NG Br SS 42 I 45 LNHSA ot go 58 bee 2 E E e eu fela gt eng gt 55 Il J 1VH8 B 3e 485 a SEE a 14148 RAW Wawa 855 1 i ha D u a b zn I Pn m 2 m Se g3 m dAVBIZSH 20131 1 t I tr i 1 ta ES ul 8 224 ZPS E 2 S358 zx z ADO 5 LL re gt 1 A Sina 1 gt 5 IT Iz lt s gt lt gt X 101 lt gt lt gt I I I I MAIN BOARD 2 3 101 RIR 220 31125 100 RISI 0151 ik 220 0 oo 069 2 Za 5 e L Il Il Oc Fu u L OE z lt lt 80 e
2. CH2FIN en CH2RIN CH1FIN CH1RIN CAPAIN1 gt VREFOUT 46 CAPAIN2 0400 GND VREFIN co LL 2 O N I CH10UTF CH20UTR e L CHIOUTR 2 lt o lt 1 103 CXA2568M BD BOARD IC602 BA3830F PANEL BOARD APC PD AMP 04 VEC REFFERENCE RESET LC PD CURRENT 18 VEE LD ON REFFERENCE 101 CURRENT D LD 1 HOLD_SW 20 AGCCONT 19 102 50 30 OFF PD o RF BOT 15 103 5 4 104 B 6 48 RFTC RFSUMMINGAMP EQ AMP LI RF 1 6 13 105 W w w 5 RFE 12 106 D 8 vi ERROR AMP VEE 9 VEE T T 14 FE 11 REC LEVEL 10 vec TRACKING Fa or ERROR AMP VC VC 1 682 BU1924 MAIN BOARD DEFFERENTIAL BIPHASE PLL PLL 57KHz DECODER DECODER 1187 5Hz RDS ARI 8TH SWITCHED k CAPACITOR FILTER QUAL MUX VDD1 or CMP co VSS1 VSS3 IC701 BA6956AN DRIVER BOARD VREF 47 IC601 BA1450 MAIN BOARD AM OSC OUT S FM BAND WIDTH AM RF IN Z AM AGC 55 FM AM DET OUT 55 AM IF IN e G IC302 uPC1330H MAIN BOARD COMPARATER SWR1 GND SWP1 CONT GND VCC SWP2 GND SW R2 1 651 LC72130 MAIN BOARD D gt lt VDD 102 5
3. not supplied 102 The components identified by Les composants identifi s par mark or dotted line with mark une marque sont critiques A are critical for safety pour la s curit Replace only with part number Ne les remplacer que par une specified pi ce portant le num ro sp cifi Ref No Part No Description Remarks Ref No Part No Description Remarks 101 1 773 045 11 WIRE FLAT TYPE 17 CORE 105 A 4473 345 A TRANS BOARD COMPLETE DX7J 102 A 4428 097 A MAIN BOARD COMPLETE BX7 AEP CIS UK G 106 3 703 571 11 BUSHING S 4516 CORD DX7 TH 102 A 4428 334 A MAIN BOARD COMPLETE BX7 CND US 106 3 03 244 00 BUSHING FBS001 CORD 102 A 4428 340 A MAIN BOARD COMPLETE DX7 EA EXCEPT DX7 TH E2 MX 102 4428 347 MAIN BOARD COMPLETE DX7 SP MY E3 106 4 966 266 01 BUSHING S FBS002 CORD DX7 E2 MX 107 A 4428 079 A POWER AMP BOARD COMPLETE BX7 102 A 4428 349 A MAIN BOARD COMPLETE DX7 E2 MXAR 102 A 4428 351 A MAIN BOARD COMPLETE DX7 AUS 107 A 4428 344 A POWER AMP BOARD COMPLETE 102 A 4473 174 A MAIN BOARD COMPLETE DX7 TH DX7 EA SP MY E2 MX AR AUS E3 KR 102 A 4473 337 A MAIN BOARD COMPLETE DX7 KR 107 A 4473 170 A POWER AMP BOARD COMPLETE DX7 TH 102 A 4473 346 A MAIN BOARD COMPLETE DX7J 107 A 4473 342 A POWER AMP BOARD COMPLETE DX7J A 108 1 575 653 11 CORD POWER DX7 E3 DX7J 103 4 988 533 01 HOLDER PWB A 108 1 696 847 11 CORD POWER DX7 AUS 104 1 773 122 11 WIRE FLAT TYPE 19 CO
4. FMIN 6 AMIN CD CN CD e gt REFERENCE DIVIDER Y DATA SHIFT REGISTER C B RES A ur W 48 NOTE XX X mean standardized parts so they may have some differences from the original one Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items The mechanical parts with no reference number in the exploded views are not supplied Hardware mark list and accessories and packing materials are given in the last of this parts list 8 1 MAIN SECTION SECTION 8 EXPLODED VIEWS Abbreviation CND Canadian model AUS Australian model G German model EA Saudi Arabia model MY Malaysia model SP Singapore model TH Thai model KR Korea model MX Mexican model AR Argentina model E2 Central and South AMERICA Middle and Near East The components identified by mark A or dotted line with mark are critical for safety Replace only with part number specified Les composants identifi s par une marque A sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi Chassis section Ref No Part No Description Remarks Ref No Part No 1 3 363 099 01 SGREW CASE 3 TP2 6 4 224 550 01 2 3 3
5. 7 IR C202 470 6 50 2 0 022 5018 L M SE C207 1000 6 3V i 000 22k 0821 822 0825 PROTECT BET PROTECT CONT C863 4 7 100 RB 9 680 2W F 2 8 5 4 R861 Ik M 9 4 8 j 986 NIF4 GH 0841 18862 LAS ae UE CONT Raz HH im fi HE PS w X C901 0862 863 5 MUTE SWITCH DX7 DX7J 3300 25V LI 1099 E S oL e rag e EF NEM SER EB BIE o RE EEE JJ C ba Ma 111111 Pbi LLLL Ll l l i 111 ll l L I UN 11 2 0911 912 o 1 CB POWER SWITCH 2881375 JN 12 6 lt 1 1 gt 2 n Ori TS wn Q EU 8910 11E52 TB5 8911 11 52 5 16951 TSV 11780575 10931 M5F7807L CR 7V REG 50V yy 2 uw S u Llasa se O O O 3 1 NN Im lt x gt gt N M in Mo N FUAZZN Z in Y Y Y Y Y Y Y Y Y Y 5 JI I I o OO o Lu Y SIR E z TO 2 3 Page 28 TO PANEL BOARD Page 35 N Ke N Ke HCD BX7 DX7 DX7J SPEAKER L GND R GND HCD BX7
6. 5 5 EM SE D 0 831 2151 34 uen x 831 SAV 2N 7 831 215123 2 2 55 9 5 0 L LL AM U 5637 POWER 8 I2C clk 4 8 NO USE 4 8 Vdd for CPU 4 SIRCS 5639 EQ EBIT S gt x o S ool como giLqd Isi3 8j3 F olo Im I o gt q PA 15 Fo E 3 em rr ur 1111 1111 p e 3 L 23 OD S lt Q Q am gt AL DX7 DX7J MODEL 35 35 See page 45 for IC Pin Function Description See page 47 for IC Block Diagrams 7 14 SCHEMATIC DIAGRAM PANEL SECTION See page 21 for Wavefoms 21 1 c d A m Od o O4 08 i Si O O O O 1 NI M 11 I a 2 O 1 1 _ lt o Du Bx Va e i cb gt of 2 9 lt Y R i 3 o lt z gt gt E 9 72 6 I OO os T NK pi n ax 8 zu tn lil a NX Ri EL ii NCH o o I MS po 88 OS ZF I i 58 ET Sot T nx r Jae 5 5 1 67 99 i Cac m 5 DN N 1 a 3 E it e Nip SS gt 41048594 12131 i ETA l NS E ROO o o x SS 5 m Lp 1 1 2 ed 1 on m 3 el a i 3 5 E o oig i a Bz m o 11 o gt YN mx LI e l r Vo EN GONI m 11 P3eo
7. 7 581 1 249 435 11 CARBON 33 590 1 4W lt DIODE gt R582 1 249 435 11 CARBON 33K 5 1 4W R591 1 249 441 11 CARBON 100K 590 1 4W A D971 8 719 991 33 DIODE 155133 77 BX7 DX7 DX7J D972 8 719 024 99 DIODE 11ES2 NTA2B BX7 R591 1 249 437 11 CARBON 47K 590 1 4W D973 8 19 024 99 DIODE 11ES2 NTA2B BX7 BX7 D974 8 719 024 99 DIODE 11ES2 NTA2B BX7 R592 1 249 441 11 CARBON 100K 590 1 4W D975 8 19 024 99 DIODE 11ES2 NTA2B BX7 DX7 DX7J R941 1 216 478 11 METAL OXIDE 390 5 3W lt C gt DX7 DX7J C971 8 759 039 69 IC uPC7805AHF BX7 R942 1 249 429 11 CARBON 10K 590 1 4W R943 1 249 417 11 CARBON 1K 5 1 4W F lt TRANSISTOR gt R944 1 247 791 91 CARBON 22 590 1 4W DX7 DX7J Q971 8 29 119 78 TRANSISTOR 2SC2785TP HFE BX7 R980 1 249 429 11 CARBON 10K 590 1 4W lt RESISTOR gt lt THERMISTOR gt R974 1 249 441 11 CARBON 100K 5 1 4W BX7 TH501 1 807 796 11 THERMISTOR DX7 DX7J R975 1 249 429 11 CARBON 10K 5 1 4W BX7 2k 2k 2k K of 2k 2k 2k ok R ok K ok K ok ok ok ok K K ok OK R R KK OK R R OR lt RELAY gt 1 675 911 11 SENSOR BOARD PAR RE ANRY971 1 755 276 11 RELAY POWER BX7 10 lt TRANSFORMER gt 16711 8 749 016 76 IC RPI 321 ANT972 1 435 209 21 TRANSFORMER POWER US CND ANT972 1 435 210 11 TRANSFORMER POWER AEP G UK CIS 11 1 247 876 11 CARBON 75K 590 1 4W A 4428 089 A TRANS BOARD COMPLETE US R 12 1 247 815 91 CARBON 220 590 1 4W WORONICZA
8. 2 C157 OE JW233 4 8907 A 8 PE ne 77 a A heo 70 R166 4 Does ie az 9 JW78 83 o e LE 3 AQ leu 377 as _ 56 2 ka lt C 7 G E e 8911 F a W305 0155 5 9 o ee gilda Ad Cn Cn CLP705 R343 JW57 R114 S W T301 3 0 5 c Ce m R115 IT E Q8 S B I ET C908 13 TON ITI TTE TTL ITI CO O gt CO O CN901 11 1 5 CIS 5 gt 25 to NI W314 221164 D in n I JW315 gt D JW316 l z 3 e O 4 AEP CIS G UK 1 676 194 O O mm O O CO N TO Page 30 32 2 Page 30 32 t 26 26 HCD BX7 DX7 DX7J 7 6 SCHEMATIC DIAGRAM MAIN 1 3 SECTION See page 48 for IC Block Diagrams 16 15 14 13 12 11 10 MAIN BOARD 1 3 DX7 DX7J MODEL 1070 8899 RBS AEP UK G CIS N of x m M 214 7 5 in lt So OJN 5 ox 1 N e lt lt 1 n o Pd gt lt Lu gt lt ME lt LG lt LON 5 EN 50 l GU n 1 n a e gt l vo noo e uj x S oq 61H xu xi PON db O Ooomrrrto p 4 x G
9. Two screws BVTP 3 x 16 Connector CN503 Main board Q Two screws BVTP 3 x 8 3 8 LEAF SW BOARD HEAD A BOARD AND HEAD B BOARD Q Five claws Leaf SW board Remove the four solderings O Screw PS 2 6 x 5 10 3 9 BASE UNIT Base unit Q Two insulators Four screws PTPWH 2 6 3 10 DRIVER BOARD MOTOR BOARD AND ADDRESS SENSOR BOARD Screw PTPWH 2 6 x 8 5 gt Q Motor board Three screws BVTP 2 6 x 8 Remove the two solderings of motor Qe Connector CN722 Screw BVTP 2 6 x RS Driver board SECTION 4 TEST MODE MC Cold Reset The cold reset clears all data including preset data stored in the RAM to initial conditions Execute this mode when returning the set to the customer Procedure 1 Press three buttons DI ENTER and simulta neously 2 The fluorescent indicator tube displays COLD RESET and the set is reset CD Ship Mode This mode moves the pickup to the position durable to vibra tion Use this mode when returning the set to the customer after repair Procedure 1 Press button to turn the set ON 2 Press button and button simultaneously 3 After the STANDBY display blinks six times a message LOCK is displayed on the fluorescent indicator tube and the CD ship mode is set MC Hot Reset This mode resets the set with the preset data kept stored in the memor
10. O A 711 PUSH SWITCH UP DOWN SW 09 CBL ADDRESS SENS D 92 TBL ABBRESS SENS EE m KO EE p BU UP BOWN sw 9 5 ww www 9 956 HCD BX7 DX7 DX7J DRIVER BOARD C701 i e MOTOR BOARD m ne M721 OPEN CLOSE SW TURN MOTOR QU B Las MTR LETTA a 9 m O pV D 5V OPEN SV OPEN SW CLOSE SW CLOSE SW BU UP BOWN SW BU UP BOWN SW O MAIN BOARD TBL ADDRESS SENS TBL ADDRESS SENS Page 29 DENB DENB R CN702 8PM HCD BX7 DX7 DX7J 7 19 PRINTED WIRING BOARD TRANS SECTION BX7 MODEL See page 21 for Circuit Boards Location Location 1 2 3 4 5 6 7 8 0 TRANS BOARD A _ US MODEL Pre LL 0 gt 1971 POWER TRANSFORMER C941 4 wo 2 B G G G G G B G G EXCEPT 006 E US CND 8977 R941 ots a 8852 Oo B TO POWER AMP BOARB R951 6 94v 0 Page 30 9 F975 14 17 F974 e o o ESY CR RE NOT REPLACEABLE BUILT IN TRANSFORMER 1 575 192 JWH971 SUB TRANS BOARD O Sidi US MODEL AC CedES N C971 5 AMP T972 SUB L M Page 30 aa 2 serae 921 C973 DE O O 8971 3 D E 978 e il 6
11. R 13 1 249 429 11 CARBON 10K 590 1 4W The components identified by mark ZA or dotted line with mark Les composants identifi s par une marque sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi are critical for safety Replace only with part number specified 70 Ref No C941 CN975 CN977 CN977 D977 A F971 A F973 A F973 AN F974 F974 A F975 A F975 A F976 A F976 A F976 AS F977 As F977 As F977 A R941 A R951 R952 R953 R961 Part No A 4428 346 A A 4428 536 A A 4428 537 A A 4428 960 A A 4473 173 A A 4473 195 A A 4473 329 A A 4473 345 A 1 533 293 31 1 126 969 11 Description Remarks TRANS BOARD COMPLETE EA SP MY E2 AR E3 K K K K KKK K K K KK K K K K TRANS BOARD COMPLETE AUS K K K K K K K K K K K K K TRANS BOARD COMPLETE MX K gt F K K K K K K KKK K K K K K K K K K TRANS BOARD COMPLETE AEP G UK CIS TRANS BOARD COMPLETE TH KKK K K K K K K K K K TRANS BOARD COMPLETE CND K KK KK K K KK K K K K TRANS BOARD COMPLETE KR KKK K K K K K K K K K TRANS BOARD COMPLETE DX7J K KK K K K K K K K K K K K K K FUSE HOLDER lt CAPACITOR gt ELECT 220uF 20 00 50V BX7 lt CONNECTOR gt 1 564 321 00 PIN CONNECTOR 2P DX7 DX7J 1 564 528 11 1 564
12. lt C503 T b O p rM O15 5 gt 6 5 N c a 2 R560 O O 5 O AA 2 ZPR D in tn R558 o O ae am mr O 10 SN OR555 2 2 R581 8108 R511 51 w e vve 0 AQ B AL R505 O 00 510 a Na x O AA O O ue O5 me CN O R516 S 6559 O R517 ni po R515 Yo N ONE 2 O1 Nad m 9 zz JWSSOZ d 5 D E 0505 TH501 O LM R513 in Sf U R524 s Bi a R512 C W zi c SSE O F EP501 123 b 705 O JAJO C EG O o C CHASSIS 1 676 807 32 32 HCD BX7 DX7 DX7J 7 12 SCHEMATIC DIAGRAM POWER AMP SECTION DX7 DX7J MODEL POWER AMP BOARD Q941 942 0505 506 V REG OVER HEAT BETECT JL 8541 RBV 602 B IC501 POWER AMP C50 R501 50V 0 2 TP551 C503 220p C 0 2 TP552 46 3 m 2131 2300 47 8 63V R502 ea 0581 25496 BT Ts 25 1841 CHASSIS TP501 PA R503 46 3 MUTE 47 8 E Ac 390 SWITCH 858 5 g alo L 0501 502 olati 245 155133T 77 22k 56 2SC1841TP e C 0 Fa me GNO TO TRANS BOARD C504 4 QH GND 100 46 4 sio NUT Page 43 il kal C511 Fe HOY ACZ ia C58
13. A gt lt KRW am J I O 1098 O El O O O O O 651 0 001 in jo os sl O 21 Po a 0 G Li e m ej 2x inl dg mi o a lt 5633 IRECTION B 5631 lt lt Q606 614 FL BRIVER 5630 MD VI BEO 5617 ENTER NEXT 5618 5628 TUNER BANB 8625 A B 0 e O O e 35 F mr O O ZEE 35 9 48 FB602 QUH R651 10k 18 KEY 2 62 48 SSA 2 HI m LU gt 5 U 637 HJMOd e 0 831 U3WIL c gt 0 o o O GNVE TV j elo 155 DE 2 jud S 04 88 I m g D 7ddd a I oo gt 25 E rp Fis 5 3g a2 2 EIL 2448 53 zr mr I lida fs J m T 39 0448 4 Mo js dius uH 3 8 o o a 0 7 E 233 55 92 I 6 8 8 Fe sil a r 2 LAIALE zi 15 21 a SE 0 gt O 8 831 338 EJ gt o 831 SNOILINNA 2 1 a amp 7 831 141 6 SKELA ti V el l 0 831 135 3714 211 gt 31 340049 E 26459 48 L gt 831 1391 20701 Si 199 8 831
14. ELECT 10uF 20 00 50V lt CONNECTOR gt PIN CONNECTOR LIGHT ANGLE 10P CONNECTOR FFC FPC 8P lt DIODE gt DIODE MTZJ T 77 3 3B 10 IC BA6956AN RESISTOR gt CARBON 330 5 1 4 CARBON 47 5 14W F KK K K KK KK KK K K K K 1 676 220 11 1 564 719 11 HEAD BOARD KKK KK K K K K K K K lt CONNECTOR gt PIN CONNECTOR SMALL TYPE 3P K K K K K K KK K KKK KK KK K K K K CN2 1 676 221 11 1 564 722 11 HEAD B BOARD KKK KK K K K K K K K lt CONNECTOR gt PIN CONNECTOR SMALL TYPE 6P KK K KKK KK KK K K K K C1001 CN1001 D1001 D1002 161001 161002 Q1001 A 2007 838 A 1 107 716 11 1 568 860 21 8 19 911 19 8 19 911 19 8 49 016 76 8 749 016 76 8 729 029 56 LEAF SW BOARD COMPLETE lt CAPACITOR gt ELECT 33uF 20 00 10V CONNECTOR SOCKET CONNECTOR 17P DIODE DIODE 155133 72 DIODE 155133 72 10 IC RPI 321 IC RPI 321 TRANSISTOR TRANSISTOR DTA144ESA TP 57 LEAF Sw MAIN Ref No R1001 R1002 R1003 R1004 R1005 R1006 R1007 R1008 RV1001 RV1002 91001 91002 51003 51004 51005 51006 51008 51009 Part No 1 249 409 11 1 249 409 11 1 249 414 11 1 247 834 11 1 247 818 11 1 247 864 11 1 247 780 00 1 249 417 11 1 241 785 11 1 241 78
15. HCD BX7 DX7 DX7J 7 3 PRINTED WIRING BOARD BD SECTION e See page 21 for Circuit Boards Location Semiconductor 1 2 3 4 5 6 BD BOARD e R111 C130 EZ me m ET NT 0155 NET 515 NE 105 R103 Fo ZKU TO ep 156 OPTICAL PICK UP BLOCK JW131 BEJR101 LIS A 55 213 R110 HH xL 21818 NO DA c102 R102 6119 5 z Ptr E e a dem T 5 C110 R123 JW128 K 7 C123 HE NI JW127 g t Ra SPINBLE MOTOR 109 19 HE 24 tal A 2 e w a gt s STH AV does JA E LCR 8 R106 fi C 5 R107 2 e ro E N 22 O T 5 m 61 LN ENT 16549453 1 R119 SN LIMIT SW 5 HEC 172 4 o EA HEHci82 Es 4 li 22 3 9 BM BE BERIB Su Ses 22 cc MED aie ee Fo 2 5 ig on 12 41 O O HE HH 1 675 566 SLED MOTOR M102 JW126 C129 1125 114 C125 ee OO OR GZ 19 1 E Ben FB101 CN 101 09 F TO MAIN BOARD Page 26 24 24 HCD BX7 DX7 DX7J 7 4 SCHEMATIC DIAGRAM BD SECTION See page 21 for Wavefoms See page 46 for IC Block Diagrams BD BOARD cz 7 2568 1 E 0 0 5 cit 15 0 c S NS R143 180k 100 x F E e 10V OH A Em GERS REO VEE m M C OPTICAL S SPIE M IREAS owe P BLOCK RETC CA 21 GND BLOCK RE 0
16. Ref No R 41 R 42 R 43 R 44 R 45 R 46 RV721 RV 22 9601 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 601 1 249 429 11 1 249 417 11 1 249 429 11 1 249 441 11 1 247 807 31 1 249 417 11 1 225 739 11 1 225 739 11 1 418 725 11 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 62 8 5 21 1 62 8 5 21 1 762 875 21 1 62 8 5 21 1 62 8 5 21 1 62 8 5 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 1 579 352 11 Description Remarks CARBON 10K 5 1 4W DX7 DX7J CARBON 1K 5 1 4W F EA DX7J CARBON 10K 5 1 4W EA DX7J CARBON 100K 5 1 4W CARBON 100 5 1 4W DX7 DX7J CARBON 1K 5 1 4W F lt VARIABLE RESISTOR gt RES VAR CARBON 50K ECHO LEVEL EA DX7J RES VAR CARBON 50K MIC LEVEL DX7 DX7J lt SWITCH gt ENCODER ROTARY 12 TYPE VOLUME SWITCH KEYBOARD A SWITCH KEYBOARD V SWITCH KEYBOARD V GROOVE SWITCH KEYBOARD LOOP lt lt gt SWITCH KEYBOARD CD SYNC SWITCH KEYBOARD REC PAUSE SWITCH KEYBOARD ENTER NEXT SWITCH KEYBOARD P SWITCH KEY
17. lt 55 gt TC A 12V TC M 12V EXCEPT G UK CIS TH TC B 5V ES E E E 183555 8510 2505 153585 155355 8 JR923 924 zb m T Eassa 68 O lt 44 12 1 9 88 8 B 8 yive a11 not Vv v a o SN a m eo tad amp 4 gt 1108 15 8 gt in O 33 15 H ann z O 034318 3 5 310 18 5 e 2 LL V1V8 58H x ra m N lt lt lt lt JAVA IWN IIA NI X SSA 10401 M30622MAA 1C501 M51943BSL TP MASTER CONTROL Q501 RESET INV 2 ow DD N 55 e 103 20 86 V1VG 86 GNnouuns lt gt Sus u I ds Zz 2 BNNOHUNS f x ADA gt Ge dT RS 2 Ooroz BI 2 2 GNNOHHNS SR 555 24 95 Qa BR pose 38 8 biosa U 2 R 5 Bun i m SSA 222 a 8 4 z 2 no Sa EC e 2123 HUN lt gt e 45 lt 9 u 8 ox eo so ee oe oe lt 6 Yo NORTRON n m og ZO L X NOSE TON 9 2S o gt gt B B B a 7 B mi gal B 27 gt B B BIAS GND 1 31 CN304 17P FFC S
18. 0 22uF 20 00 50V 0 047uF 50V 3 3UF 20 00 50V 3 3UF 20 00 50V 47uF 20 00 16V 10uF 20 00 50V 1uF 20 00 50V 220PF 590 50V US CND DX7 DX7J 680PF 5 50V AEP G UK CIS 0 047uF 10 00 50V 100PF 5 50V US CND DX7 DX7J 470PF 590 50V AEP G UK CIS 22uF 20 00 50V 10uF 20 00 50V 0 01uF 50V 100uF 20 00 16V 0 01uF 50V 0 0039uF 10 507 0 0039uF 10 507 59 Ref No C636 C637 C638 C641 C644 C645 C647 C651 C652 C653 C655 C656 C657 C658 C659 C660 C661 C662 C663 C669 C681 C682 C683 C684 C685 C686 C687 C688 C689 C690 C691 C692 C693 C694 C695 C801 C802 C803 C821 C822 C824 C841 C851 60 Part No 1 163 021 91 1 163 021 91 1 163 135 00 1 163 031 11 1 163 087 00 1 163 031 11 1 163 105 11 1 163 239 11 1 163 235 11 1 163 009 11 1 163 009 11 1 163 031 11 1 104 664 11 1 126 961 11 1 163 031 11 1 104 664 11 1 163 031 11 1 126 959 11 1 163 031 11 1 163 031 11 1 126 964 11 1 163 135 00 1 163 038 91 1 104 664 11 1 126 964 11 1 126 961 11 1 163 129 00 1 163 031 11 1 163 135 00 1 126 961 11 1 163 031 11 1 163 245 11 1 163 245 11 1 163 031 11 1 163 031 11 1 163 038 91 1 163 038 91 1 163 031 11 1 104 665 11 1 126 961 11 1 126 960 11 1 126 959 11 1 163 038 91 Description CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CH
19. B 70 120 owa TA CN1001 B HALF SV 1001 unm Rvt002 HIGH A HALF E 81005 led JW1001 R1002 JW1002 JW1007 LLI JW1005 JW1003 4 1009 1 676 219 E 81008 NORM REC A C1001 HEAD BOARD HEAD B BOARD H TO MAIN BOARD Page 26 TO m HRPF901 REC PLAY HEAD TO HP901 PB 1 676 221 TO MAIN BOARD TO MAIN BOARB Page 26 Page 26 36 36 HCD BX7 DX7 DX7J 7 16 SCHEMATIC DIAGRAM LEAF SW SECTION A LEAF SW BOARD M901 6556 CAPSTAN MOTOR B TRG A TRG 91002 951591774 IC1001 D 1C1001 CAPM 31004 5 REEL DETECT CAPM 9 A 120 70 2 REEL BETECT TRG A A HALF A TRG B A SHUT E 51005 O GND 8 8 REC A V 5 TO MAIN R1003 560 5V 5V BOARD 51006 Cy A 120 70 BHAP m LLL A Page 28 F 51008 B PLAY SW I C B METAL B 120 70 Cy JW1004 Q 61001 61002 A PLAY B PLAY 3 3 HCD BX7 DX7 DX7J 7 17 PRINTED WIRING BOARD DRIVER SECTION L 1 2 3 4 5 6 3 MOTOR BOARB 5701 OPEN CLOSE SW e e JW725 E O KRO O O DRIVER BOARD O O O O O O O Og TO MAIN BOARD G Page 26 38 38 SENSOR BOARD UP BOWN SW 7 18 SCHEMATIC DIAGRAM DRIVER SECTION SENSER BOARD N N MO LO
20. C892 C901 C901 C902 C903 C905 C906 C907 C908 C909 C911 C912 C921 C922 C925 C931 C932 C951 C961 C962 CF601 CF601 CF602 CF602 CN201 CN202 CN301 CN304 CN401 CN891 CN901 CN902 D501 D502 D503 D504 D505 D506 D508 D509 D510 D511 D601 D641 Part No 1 163 038 91 1 163 031 11 1 107 717 11 1 107 721 11 1 107 721 11 1 126 964 11 1 163 038 91 1 126 944 11 1 126 936 11 1 136 165 00 1 136 165 00 1 136 165 00 1 136 165 00 1 126 937 11 1 126 942 61 1 126 952 11 1 126 960 11 1 126 916 11 1 126 960 11 1 126 933 11 1 104 665 11 1 126 964 11 1 126 935 11 1 126 960 11 1 126 960 11 1 126 926 11 1 760 023 11 1 5 9 185 21 1 760 023 11 1 5 9 185 21 1 569 913 11 1 85 336 11 1 568 449 11 1 569 934 11 1 93 766 11 1 564 506 11 1 778 982 21 1 778 982 21 8 719 988 61 8 719 988 61 8 719 988 61 8 719 988 61 8 719 988 61 8 719 988 61 8 719 988 61 8 719 988 61 8 719 988 61 8 719 988 61 8 719 056 83 8 719 914 42 Description CERAMIC CHIP 0 1 CERAMIC CHIP 0 01 Remarks 25V AEP G UK CIS 50V ELECT 47uF 20 00 50V ELECT 47uF 20 009 100V ELECT 47uF 20 009 100V ELECT 10uF 20 00 50V BX7 US CND DX7 DX7J CERAMIC CHIP 0 1uF 25V BX7 US CND DX7 DX7J ELECT 3300uF 20 00 25V DX7 DX7J ELECT 3300uF 20 00 16V BX7 MYLAR 0 18 5 00 50V MYLAR 0 18 5 00 50V MYLAR 0 18 5 00 50V MYLAR O1uF 5 00 50V ELECT 4700uF 20 00 16V ELECT
21. 100 0 6K 130K 120K 220 22K 12K 270K 12K 22K 220 4 7K 4 7K 330K 10K 100 100 100 100 100 100 220 220 O OO O O Remarks 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 8W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W Les composants identifi s par une marque sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi Ref No R481 R483 R484 R490 R491 R493 R494 R495 R496 R497 R497 R497 R497 R498 R498 R498 R499 R501 R502 R503 R504 R505 R506 R508 R509 R510 R511 R523 R524 R546 R547 R548 R566 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R614 R614 R614 R615 R616 64 Part No 1 216 025 91 1 216 073 00 1 216 073 00 1 216 174 00 1 216 174 00 1 216 174 00 1 216 295 91 1 216 073 00 1 216 089 91 1 216 053 00 1 216 081 00 1 216 073 00 1 216 089 91 1 216 089 91 1 216 073 00 1 216 085 00 1 216 025 91 1 216 073 00 1 216 089 91 1 216 089 91 1 216 025 91 1 216 065 91 1 216 041 00 1 216 065 91 1 216 081 00 1 216 097 91 1 216 174 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 29
22. 1uF C140 1 164 346 11 CERAMIC CHIP 1uF C141 1 164 346 11 CERAMIC CHIP 1uF 0143 1 163 038 91 CERAMIC CHIP C145 1 163 038 91 CERAMIC CHIP C153 1 163 038 91 CERAMIC CHIP 0 1uF C159 1 163 019 00 CERAMIC CHIP 0 0068u C162 1 104 665 11 ELECT 100uF C163 1 104 665 11 ELECT 100uF C165 1 163 038 91 CERAMIC CHIP 0 1uF C167 1 163 237 11 CERAMIC CHIP 27PF C168 1 163 235 11 CERAMIC CHIP 22 C171 1 163 009 11 CERAMIC CHIP 0 001 C172 1 163 123 00 CERAMIC CHIP 180PF C181 1 163 009 11 CERAMIC CHIP 0 001uF 56 COILS When indicating parts by reference number uH uH please include the board name SEMICONDUCTORS In each case u for example uA LA UPA WPA uPB UPB uPC UPC uPD UPD Abbreviation CND Canadian model AUS Australian model G German model EA Saudi Arabia model MY Malaysia model SP Singapore model TH Thai model KR Korea model MX Mexican model AR Argentina model E2 Central and South AMERICA E3 Middle and Near East Remarks Ref No Part No Description C182 1 163 123 00 CERAMIC CHIP 180PF 5 lt CONNECTOR gt CN101 1 784 741 11 CONNECTOR FFC 19 CN102 1 793 907 11 CONNECTOR FFC FPC 16 10 50V 10 25V lt FERRITE BEAD gt 10 50V 10 50V FB101 1 500 445 21 FERRITE OUH 10 25V FB103 1 500 445 21 FERRITE OUH F 10 50V lt C gt F 10 50V 5 00 50V IC101 8 52 386 85 CXD2587Q 10 00 16V 10102 8 759 549 28 IC BA5974FP E2
23. 25V 10103 8 752 085 51 2568 6 20 00 10V lt TRANSISTOR gt 20 00 10V 20 00 10V Q101 8 29 049 31 TRANSISTOR 25 710 10 50V 5 00 50V lt RESISTOR gt 25V R101 1 216 077 91 RES CHIP 15K 590 20 00 10 R102 1 216 097 91 RES CHIP 100K 590 10 00 50 R103 1 216 077 91 RES CHIP 15K 590 10 00 16V R104 1 216 085 00 METAL CHIP 33K 5 25V R105 1 216 073 00 METAL CHIP 10K 590 25 R106 1 216 049 91 RES CHIP 1K 590 20 00 10 R107 1 216 073 00 METAL CHIP 10K 590 50 R108 1 216 061 00 METAL CHIP 3 3 590 16V R109 1 216 121 91 RES CHIP 1M 590 20 00 50 R110 1 216 025 91 RES CHIP 100 590 16V R111 1 216 121 91 RES CHIP 1M 590 16V R113 1 216 121 91 RES CHIP 1M 590 16V R114 1 216 073 00 METAL CHIP 10K 590 25 R116 1 216 001 00 METAL CHIP 10 590 25 R117 1 216 049 91 RES CHIP 1K 590 25 R118 1 216 025 91 RES CHIP 100 590 F 10 50V R119 1 216 059 00 METAL CHIP 2 K 590 20 00 10 R123 1 216 073 00 METAL CHIP 10K 590 20 00 10 R124 1 216 097 91 RES CHIP 100K 590 25 R131 1 216 033 00 METAL CHIP 220 590 5 00 50V R143 1 216 103 00 METAL CHIP 180K 590 5 00 50V R144 1 216 103 00 METAL CHIP 180K 590 1090 50 R147 1 216 069 00 METAL CHIP 6 8K 590 590 50 R148 1 216 001 00 METAL CHIP 10 590 1090 50 R149 1 216 001 00 METAL CHIP 10 590 The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Les composants identifi s par une marque son
24. 4 224 584 11 1 124 589 11 1 126 163 11 1 162 306 11 1 162 294 31 1 162 306 11 1 162 294 31 1 104 664 11 1 162 306 11 1 162 306 11 1 126 157 11 1 126 157 11 1 162 303 11 1 126 157 11 1 126 157 11 1 126 963 11 PANEL BOARD COMPLETE BX7 K K K K KK KK K K K K K K K K K K K PANEL BOARD COMPLETE EA KKK ke 2k K K K K K K K K K K K PANEL BOARD COMPLETE SP MY E2 MX AR AUS E3 KR K K K K K K K K K K K K K PANEL BOARD COMPLETE TH KKK ke 2k K K K K K K K K K K K PANEL BOARD COMPLETE DX7J K K K K KK KK K K KK K K K K K K K K HOLDER FL TH DX7J HOLDER FL EXCEPT TH DX7J CAPACITOR gt ELECT 47uF 20 16V ELECT 47uF 20 50V CERAMIC 0 01uF 30 00 16V CERAMIC 0 001uF 10 50V CERAMIC 0 01uF 30 00 16V CERAMIC 0 001uF 10 50V ELECT 47uF 20 00 10V CERAMIC 0 01uF 30 00 16V CERAMIC 0 01uF 30 00 16V ELECT 10uF 20 16V TH DX7J ELECT 10uF 20 16V TH DX7J CERAMIC 0 0033uF 30 00 16V ELECT 10uF 20 16V TH DX7J ELECT 10uF 20 16V TH DX7J ELECT 47uF 20 0099 50V 65 Ref No C616 C617 C620 C621 C631 C632 C633 C651 C652 C653 C654 C655 C656 C657 C658 C659 C660 C661 C662 C663 C664 C665 C666 C667 C668 C669 C670 C671 C717 C718 C719 C720 C721 C722 C723 C724 C725 C726 C727 C728 C729 C730 C731 C732 C733 66 Part No 1 162 306 11 1 162 294 31 1 126 933 11 1 104 664 11 1 162
25. gt RES ADJ CARBON 10K RES ADJ CARBON 2 2K RES ADJ CARBON 2 2K RES ADJ CARBON 220K RES ADJ CARBON 10K RES ADJ CARBON 2 2K RES ADJ CARBON 2 2K RES ADJ CARBON 220K RES ADJ CARBON 22K lt RELAY gt RELAY DX7 DX7J RELAY BX7 TRANSFORMER TRANSFORMER BIAS OSCILLATION TRANSFORMER DISCRIMINATOR ENCAPSULATED COMPONENT AEP G UK CIS TERMINAL TERMINAL BOARD 4P FM AM US CND DX7 DX7J TERMINAL BOARD 4P FM AM AEP G UK CIS TERMINAL BOARD 4P SPEAKER Ref No X401 X402 X651 XT681 Part No 1 567 098 41 1 781 107 21 1 760 549 31 1 579 900 21 Description Remarks lt VIBRATOR gt VIBRATOR CRYSTAL 32 768kHz VIBRATOR CERAMIC 16MHz VIBRATOR CRYSTAL 4 5MHz lt VIBRATOR gt VIBRATOR CRYSTAL 4 332MHz AEP G UK CIS K K K KK KK KK K K KK 0721 CN721 CN722 5701 1 675 910 11 1 162 306 11 1 770 516 31 1 85 330 11 1 771 822 11 MOTOR BOARD 2k 2k 2k ok lt CAPACITOR gt CERAMIC 0 01uF 30 00 16V lt CONNECTOR gt CONNECTOR FFC 8P PIN CONNECTOR LIGHT ANGLE 4P lt SWITCH gt SWITCH LEVER SLIDE OPEN CLOSE K K K K K KK KK KK K K K K C601 C602 C603 C604 C605 C606 C607 C608 C609 C610 C611 C612 C613 C614 C615 A 4428 075 A A 4428 338 A 4428 342 4428 907 4473 047 4 224 584 01
26. m ta 1097 IG w 8224 H 09 1 676 191 M D o LD N 9 RY971 JW983 ig IN DO c LO 40 40 7 20 SCHEMATIC DIAGRAM TRANS SECTION BX7 MODEL N0975 SON IC971 CH 5 REG CN976 3P CT 5 B RELAY A TO AC POWER AMP SONS IN BOARD Page 31 TRANS BOARD 6 3A 125V US CND AA 12 00 TRANSFORMER aS Act cQ 1295 CN975 TWA EXCEPT US CND 1 220 50V E ds Le LL i Eee _ 91 0 R953 0 15 1 4W AN EN 1 Vg o WEZ 9976 IT BOARD vF R941 ce ja NES LE NOT REPLACEABLE Page 31 CENTERTAB US MODEL BUILT IN TRANSFORMER vF 09 T N n The components identified by Les composants identifi s par mark or dotted line with mark une marque A sont critiques A are critical for safety pour la s curit Replace only with part number Ne les remplacer que par une 41 specified pi ce portant le num ro sp cifi 41 HCD BX7 DX7 DX7J HCD BX7 DX7 DX7J 7 21 PRINTED WIRING BOARD TRANS SECTION DX7 DX7J MODEL e See page 21 for Circuit Boards Location TRANS BOARD U JW9731 B EXCEPT MX TH KR EXCEPT AUS MX TH KR TO POWER AMP VOLTAGE BOARD SELECTOR 814652 T 250 2401 x 22
27. m CQ 102RC 2 to 6 g cm IE 0 02 0 08 oz inch 6 96 N m to 14 02 Nem FF REW CQ 201B 71 to 143g cm 9 80N m 100 g or more back tension tension 3 53 oz or more 9 80 Nem 100 g or more 3 53 oz or more 16 SECTION 6 ELECTRICAL ADJUSTMENTS DECK SECTION 1 Demagnetize the record playback head with a head demagnetizer 2 Do not use a magnetized screwdriver for the adjustments 3 After the adjustments apply suitable locking compound to the parts adjust 4 The adjustments should be performed with the rated power supply voltage unless otherwise noted 5 The adjustments should be performed in the order given in this service manual As a general rule playback circuit adjustment should be completed before performing recording circuit adjustment 6 The adjustments should be performed for both L CH and R CH 7 Switches and controls should be set as follows unless otherwise specified Test Tape Tap Record Playback Head Azimuth Adjustment Note Perform this adjustments for both decks Procedure l Mode Playback test tape main board P 4 A100 CN301 10 kHz 10 dB Pin 8 L CH Pin R CH level meter main board CN301 Pin 2 GND 2 Turn the adjustment screw and check output peaks If the peaks do not match for L CH and R CH turn the adjustment screw so that outputs match within 1dB of peak within 108 pe
28. 00 20 00 5 00 20 20 50V BX7 50V 10V 50V 50V 100V 50V 50V 63V 100V DX7 DX7J 20 00 20 00 CONNECTOR BOARD TO BOARD 13P CONNECTOR BOARD TO BOARD 13P lt DIODE gt DIODE DIODE DIODE DIODE DIODE 155133 77 155133 77 MTZJ T 77 18C DX7 DX7J MTZJ T 77 18C DX7 DX7J RBV 602 01 50V 50V 50V Ref No D543 D551 D581 D941 D979 EP501 EP502 IG501 10501 0501 0503 0504 0505 0506 0551 0581 0941 0942 R501 R502 R503 R503 R504 R505 R506 R507 R508 R508 R509 R510 R510 R511 R512 R513 R514 R515 R516 R517 R518 R519 R520 R521 R522 The components identified by mark or dotted line with mark A are critical for safety Replace only with part number Part No 8 19 302 37 8 19 991 33 8 19 991 33 8 19 110 90 8 19 110 31 1 537 738 21 1 537 738 21 8 49 017 06 8 49 016 96 8 29 140 84 8 29 140 82 8 29 140 84 8 29 140 84 8 29 119 79 8 29 140 84 8 29 140 84 8 29 048 52 8 29 119 76 1 249 417 11 1 249 438 11 1 249 411 11 1 249 414 11 1 249 438 11 1 249 417 11 1 249 431 11 1 249 441 11 1 220 891 11 1 217 156 00 1 260 076 11 1 220 891 11 1 217 156 00 1 212 881 11 1 202 972 61 1 249 435 11 1 249 421 11 1 247 863 91 1 249 429 11 1 249 421 11 1 249 435 11 1 249 439 11 1 215 872 11 1 249 441 11 1 249 441 11 specified POWER AMP Description DIODE RB
29. 1 435 325 11 Ver 1 4 Description Remarks CARBON 100K 590 1 4W BX7 CARBON 10K 590 1 4W BX7 RELAY gt RELAY POWER BX7 SWITCH SWITCH POWER VOLTAGE SELECTOR DX7 EA SP MY E2 AR E3 DX7J TRANSFORMER TRANSFORMER POWER AEP G UK EA CIS TRANSFORMER POWER CND TRANSFORMER POWER US POWER TRANSFORMER DX7 DX7J 101 104 A 108 108 108 A 108 A 108 A 108 108 A 108 A 108 109 4109 109 161 299 266 301 302 HP101 1 773 045 11 1 773 122 11 1 575 653 11 1 696 847 11 1 769 079 21 1 771 071 21 1 82 315 11 1 83 820 11 1 83 941 11 1 790 226 11 1 791 901 11 1 569 007 11 1 569 008 21 1 569 008 31 3378 246 1 1 91 983 11 1 471 035 11 4735 357 1 792 024 11 A 2004 778 A HRPE101 A 2004 779 A M1 FL601 M721 M961 M961 X 3378 241 1 1 517 928 11 4672 826 1 698 792 11 1 763 072 11 MISCELLANEOUS KOKK K K K K KK K K K K K K WIRE FLAT TYPE 17 CORE WIRE FLAT TYPE 19 CORE CORD POWER DX7 E3 DX7J CORD POWER DX7 AUS CORD POWER DX7 KR CORD POWER 7 18 0 7 8 CORD POWER DX7 E2 MX CORD POWER BX7 US CND CORD POWER DX7 AR CORD POWER BX7 UK CORD POWER DX7 TH ADAPTOR CONVERSION 2P DX7 E3 DX7J ADAPTOR CONVERSION DX7 EA SP MV ADAPTOR CONVERSION DX7 EA SP MV MOTOR ASSY WIRE FLAT TYPE 8 CORE MAGNET
30. 10 50V 10 50 10 50V 10 50 10 50V 10 50 10 50V 10 50 10 50V 10 50 Ref No C780 C781 C782 C783 C784 CN601 D601 D602 D603 D611 D612 D613 D614 D615 D617 D618 FB601 FB602 FB603 FL601 16601 16602 16603 10721 10722 4631 J721 J722 L601 Q604 Q605 Q606 Q607 Q608 Q609 Q610 Q611 Q612 Q613 Q614 Q615 Q621 Q622 Q623 Part No 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 793 767 11 8 719 057 30 8 719 063 93 8 719 109 89 8 719 071 41 8 719 071 41 8 719 071 41 8 719 071 41 8 719 072 82 8 719 063 93 8 719 071 41 1 412 473 21 1 412 473 21 1 412 473 21 1 517 928 11 8 59 652 49 8 59 570 21 8 59 648 23 8 59 496 40 8 59 634 51 1 785 569 11 1 785 569 11 1 785 569 11 1 410 509 11 8 29 900 80 8 29 900 80 8 729 900 74 8 729 900 74 8 729 900 74 8 729 900 74 8 729 900 74 8 729 900 74 8 729 900 74 8 729 900 74 8 729 900 74 8 729 111 29 8 729 900 80 8 729 900 80 8 729 900 80 Description CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC lt CONNECTOR gt CONNECTOR BOARD TO BOARD 30P lt DIODE gt DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE lt FERRITE BEAD gt INDUCTOR INDUCTOR INDUCTOR lt FILTER gt 100PF 100PF 100PF 100PF 100PF OUH OUH OUH EXCEPT TH 10 10 10 10 10 HLMF K205 2UL L C SLR325VC N T32 TIMER SEL
31. 100 100 2 2K 8 2K 4 7K 8 2K 22K 1M 160K 100K 10K 33K 10K 10K 390K 2 2K 8 2K 120K 100 0 6K 130K 220 120K 220 22K 12K 270K 220 12K 5 6 5 6 18K 18K 10K 33K 2 2K 100 100 2 2K 8 2K 4 7K 8 2K 33K 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Remarks 1 10W 1 10W DX7 DX7J 1 10W DX7 DX7J 1 10W DX7 DX7J 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 8W 1 8W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 4W 1 4W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W Ref No R360 R361 R363 R364 R366 R367 R368 R369 R371 R372 R373 R374 R375 R3 6 R377 R378 R381 R382 R383 R384 R385 R386 R387 R388 R389 R390 R391 R392 R393 R394 R396 R407 R409 R411 R413 R417 R418 R419 R429 R430 R432 R433 R435 R437 R440 R441 R442 R443 R444 R445 R446 R447 R448 R449 R467 R468 R469 The components identified by mark or dotted line with mark are critical for safety Replace only with part number Part No 1 216 045 00 1 216 057 00 1 216
32. 11 1 N0974 Q TO SUB TRANS BOARD B Page 40 TO TRANS BOARD Page 40 30 30 HCD BX7 DX7 DX7J 7 10 SCHEMATIC DIAGRAM POWER AMP SECTION BX7 MODEL 1 2 3 4 D 6 7 8 9 10 11 POWER AMP BOARD 509 100V Wu TP553 R511 C501 21 100 So 55 4 1557 C501 Na 1 47 8 1 A 47 8 POWER AMP R501 0 2 o c542 PRAI B 6505 501 3300 OV STK402 07 5 0 TP555 NOSO 5 45 2 TP556 5 SCN SE TP541 TP562 Bs ACI 25 NEA eu R502 502 56k MUTE SWITCH 23A9881P 200 EGO 47 8 R503 45 6 33k ACS D C504 4 0 6 25 18411 nos 100 46 4 2 10V R517 R5 tox V b 51 52 A 2 2k REO EILEEN 9 TRANS BOARD N VF D 144 8 Loa BEN Page 41 D C512 0505 504 VF 10V MUTE R559 p R553 C558 560 0 068 50V MF EP502 552 C559 Rogi 1 554 22 1 AN 45 0 AN 0 2 1 1 563 6 4 1 5 47 8 C501 C552 220 51K402 0 2 N A 7 C551 551 TP564 07 4 7 50V TP559 TO SUB TRANS BOARD e Page 41 No LR gt o o 6 L f NON gt gt Z Z H b o L The components identified by Les composants identifi s par d TT B 5 5 E M A 7 H mark or dotted line w
33. 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 Description ELECT ELECT ELECT ELECT ELECT CERAMIC CERAMIC ELECT ELECT CERAMIC CERAMIC CERAMIC ELECT CERAMIC ELECT CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC 47uF 2 2uF 10uF 10uF 2 2uF ATPF 100PF 0 1uF 0 1uF ATPF ATOPF 0 001uF 2 2uF 0 01uF 2 2uF 0 01uF 0 01uF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF Remarks 20 00 10V EA DX7J 20 00 50V EA DX7J 20 00 50V DX7 DX7J 20 00 50V DX7 DX7J 20 00 50V DX7 DX7J 5 50V DX7 DX7J 10 50 DX7 DX7J 20 00 50V EA 20 50V EXCEPT BX7 EA 590 50 DX7 DX7J 10 50V DX7 DX7J 10 50V DX7 DX7J 20 00 50V DX7 DX7J 30 00 16V DX7 DX7J 20 00 50V EA DX7J 30 00 16V EA DX7J 30 00 16V DX7 DX7J 10 50 10 50V 10 50V 10 50 10 50 10 50 10 50V 10 50V 10 50V 10 50V 10 50 10 50V 10 50V 10 50 10 50 10 50V 10 50 10 50 10 50 10 50
34. 2 Select the function TUNER and press button to select the BAND MW 3 Press button to turn the set OFF 4 Press ENTER land buttons simultaneously and the display of fluorescent indicator tube changes to MW 9 k STEP or MW 10k STEP and thus the channel step is changed over GC Test Mode This mode is used to check the software version FL tube LED keyboard and VACS Procedure Pressthree buttons m and DISC 2 simultaneously 2 LEDs and fluorescent indicator tube are all turned on 3 When you want to enter the software version display mode press DISC 1 The model number and destination are displayed 4 Each time is pressed the display changes starting from MC version GC version VC version CD version CM version ST version TC version TA version TM version and BR version in this order and returns to the model number and destination display 5 When is pressed while the version numbers are being displayed except model number and destination year month and day of the software creation appear When is pressed again the display returns to the software version display When is pressed while year month and day of the software creation are being displayed the year month and day of creation of the software versions are displayed in the same order of version display 6 Press DISC 2 button and the key check mode is activated 7 In the key check mode the fluorescent indicator tube d
35. 2 5 4 M KSS 213F 500 5 M A ABEL A MI S HOLDSW Pp of PB ae WB p 3 4 2 2 M F 5 0 gt LB BRIVE M n 1 VREFOUT PREVCC 28 2 Y FRAR 1 2 0 425 CHIFIN CH4BIN Gp 5 02 2 _ DIGITAL SIGNAL PROCESSOR FFBR CHIRIN CHASIN o 5 5 CAPAIN1 CH4SIN QD AG B A CONVERTER iran PIE 1 2 0 1 AR ar Cor FI E iris mes A T Pong Gozo SFR oa E CAPAINS s TEE GLEB MOTOR NA SEM E QU F CH3OUTF CH40UTF BVBB 5 BVBB G BOUT E BOUT Z lt so GND BGNB LOUT e lt LOUT ME C122 AGNB e AGNA 12 ROUT lt ROUT AVBB le 1 AVBB E XRST XRST A gt SE 29 mk jo HOLB e 2 1 HOLA 5080 e 5050 SENS JO SENS 2 R118 100 Sack SQCK 16 SCOR MGNB e MGNB lo 7V CN101 19P 09 The components identified by Les composants identifi s par mark or dotted line with mark une marque A sont critiques A are critical for safety pour la s curit Replace only with part number Ne les remplacer que par une specified pi ce portant le num ro sp cifi 25 25 HCD BX7 DX7 DX7J 7 5 PRINTED WIRING BOARD MAIN SECTION See page 21 for Circuit Boards Location e Semiconductor Location 23 1 3 4 5 6 7 8 00 9 MAIN
36. 216 049 91 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 025 91 1 216 085 00 1 216 025 91 1 216 085 00 1 216 085 00 1 216 057 00 1 216 025 91 1 216 025 91 1 216 057 00 1 216 071 00 1 216 065 91 1 216 071 00 1 216 081 00 1 216 121 91 1 216 102 00 1 216 097 91 1 216 073 00 1 216 234 00 1 216 222 00 1 216 073 00 1 216 111 00 1 216 057 00 1 216 071 00 1 216 099 00 1 216 025 91 1 216 067 00 1 216 100 00 1 216 033 00 1 216 099 00 1 216 033 00 1 216 081 00 1 216 075 00 1 216 107 00 1 216 033 00 1 216 075 00 1 219 787 17 1 219 787 17 1 216 079 00 1 216 079 00 1 216 073 00 1 216 085 00 1 216 057 00 1 216 025 91 1 216 025 91 1 216 057 00 1 216 071 00 1 216 065 91 1 216 071 00 1 216 085 00 Description RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP FUSIBLE FUSIBLE METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP 1K 10K 10K 10K 10K 100 33K 100 33K 33K 2 2K
37. 294 31 1 162 294 31 1 164 159 21 1 164 159 21 1 126 960 11 1 126 960 11 1 164 159 21 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 126 157 11 1 126 157 11 1 126 961 11 1 164 159 21 1 162 294 31 1 162 305 11 1 126 960 11 1 136 495 11 1 126 959 11 1 124 465 00 1 136 167 00 1 162 294 31 1 126 960 11 1 161 494 00 1 162 305 11 1 136 495 11 1 104 664 11 Description CERAMIC CERAMIC ELECT ELECT CERAMIC CERAMIC CERAMIC CERAMIC ELECT ELECT CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC ELECT ELECT ELECT CERAMIC CERAMIC CERAMIC ELECT MYLAR ELECT ELECT MYLAR CERAMIC ELECT CERAMIC CERAMIC MYLAR ELECT 0 01uF 0 001uF 100uF 47uF 0 001uF 0 001uF 0 1uF 0 1uF 1uF 1uF 0 1uF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 100PF 10uF 10uF 2 2uF 0 1uF 0 001uF 0 0068uF 1uF 0 068uF 0 47uF 0 47uF 0 15uF 0 001uF 1uF 0 022uF 0 0068uF 0 068uF 47uF Remarks 30 00 16V 10 50V 20 00 16V 20 00 16V 10 50 10 50 50V TH 50V 20 00 50V 20 00
38. 3 017 365 01 BASE PINCH LEVER FWD 155 3 017 366 01 BASE PINCH LEVER REV 52 Ver 1 2 2001 08 8 5 TAPE MECHANISM DECK SECTION 2 TCM 230MWR11 211 202 M1 Ref No Part No Description Remarks Ref No Part No Description Hemarks 201 X 4952 881 1 CHASSIS ASSY MAIN 212 4 228 450 01 SPRING REVERSE SLIDER TORSION 202 3 041 946 01 BELT CAPSTAN B 213 3 019 208 01 WASHER STOPPER 203 4 227 239 01 BELT CAPSTAN C 214 3 027 453 01 SPRING GROUND TENSION 204 3 016 568 01 BRACKET MOTOR 215 3 030 823 01 SCREW BVTT 2X3 5 205 X 3378 040 1 FLYWHEEL A FWD ASSY 216 A 2004 753 A BLOCK B ASSY MECHANICAL 206 X 3378 041 1 FLYWHEEL A REV ASSY 217 X 3378 042 1 FLYWHEEL B FWD ASSY 207 3374 157 1 PULLEY ASSY TENSION 218 X 3378 043 1 FLYWHEEL B REV ASSY 208 3 041 947 01 BELT FR 219 7 685 851 04 SCREW BVTT 2X4 S 209 A 2004 752 A BLOCK A ASSY MECHANICAL 220 7 628 254 15 SCREW PS 2 6X6 210 3 016 566 01 SLIDER REVERSE 221 7 628 254 50 SCREW PS 2 6X16 211 A 2007 838 A LEAF SW BOARD COMPLETE M1 X 3378 241 1 MOTOR ASSY INCLUDING PULLEY 53 Ver 1 3 2002 08 8 6 CD MECHANISM DECK SECTION Ref No 251 252 253 254 255 54 Part No 4 933 134 11 4 221 679 01 4 221 675 01 4 221 686 01 4 221 676 01 4 933 134 51 1 675 910 11 4 951 620 01 1 791 983 11 1 675 911 11 1 675 912 11 Description SCREW PTPWH M2 6X8 CAM RELAY TABLE LEVER CHANGE TRAY SCREW PTPWH 2 6X
39. 417 11 1 249 441 11 1 249 417 11 Description CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON 1 8K 2 K 3 3 4 7K 6 8K 10K 18K 10K 270 330 470 560 680 10K 10K 10K 10K 270 180 270 330 270 270 1K 1 2K 22K 22K 22K ATK 22K 10K 22K 22K 120K 1K 10K 100 180K 10K ATK 22K 1K 100K 1K 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 h 5 5 5 5 5 5 5 5 5 5 Remarks 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 2W TI F F DX7 DX7J 1 2W DX7 DX7J 1 4W EA DX7J 1 4W EA DX7J 1 4W EA DX7J 1 4W EA DX7J 1 4W EA DX7J 1 4W EA DX7J 1 4W EA DX7J 1 4W EA DX7J 1 4W EA DX7J 1 4W 1 4W F EA DX7J 1 4W DX7 DX7J 1 4W DX7 DX7J 1 4W DX7 DX7J 1 4W EXCEPT EA BX7 5 5 5 5 1 4W EA 1 4W F DX7 DX7J 1 4W DX7 DX7J 1 4W F DX7 DX7J
40. BOARD Page 38 Page 24 B 3 TO DRIVER BOARD TO BB BOARD B 4 5 5 in A 4 o FIE 1 WE g R548 8655 _ JW606 2 S S B 3 A Rau ER E VF 5 Mm sr OS 4 58 5 9 5 9 d R432 9 5 3 e E 1 8 JI Rees 2 O 515 5 5 a 4 1 LT x SE a s nese a Pi GH B 5 Cosa 6 8 0660 IC201 e Ww joe JW215 2 EE o CB BIGITAL QUT _ in in Im ID N 12 D B 3 EPA A FB201 3 Bzy LS GE J Jw313 O R433 in R660 30 OPTICAL B 3 a gt ies SERCE m AURA Te WD FREE C 1 5 98186 dis JW89 8504 R506 C505 FB202 BA zle rias 45 JW608 2 B 7 e 2 8 2 202 JW609 1 ug m E kera PME eR ZA GTC e zB Co e a a Y p ess a e e Chaos LI uc C 9 JW187X402 5 JW200 SER U x 0169 6209 Ut 852884 2 LJUN LS H a 8 7 515 184 Mr o ge HE gt Z 3 5 R430 9o 3 5 7 JW185 T R413 JW193 O E R502 18 EI iB C207 22 C103 c I imd ae O 3 1 30 hi OW 18924 N e RE B2 2 US C4115 JW194 R503 30 m 25 5 3 AEP UK 6 CIS 2 A C414HH O JR37 JW220 JW221 TO PANEL BOAR Page 34 J
41. DX7 DX7J 7 9 PRINTED WIRING BOARD POWER AMP SECTION BX7 MODEL e See page 21 for Circuit Boards Location Semiconductor 1 Location Ref No Location a Qo O1 O1 Qn N CE D B 6 O NW MAIN BOARD Page 26 TO MAIN BOARD Page 26 m m o O wm gt 2 3 4 D 6 POWER AMP BOARD I 1 A C558 R552 A R559 C551 in GH B O C552 LM C515 essa dC O e e 8551 W530 5 gt o m NI m Ln Ln 25 np 1557 BE a Ln un OE e z C508 L C507 R506 2 E R507 JW516 O JW526 JW527 Rae N O R5038vV R591 O O EP502 CLP704 o 1 676 193 O O gt O in _ O DE C559 O m R511 in 2 S D 8581 Vn 208 9 C9 509 5 gt e 5 4 HD OE E C519 15 O Li UE O 0504 Ln co O AR 2 E C592 O O Cc O 5 3 O in an O NN e in gt JW503 P 3 in O A lt NI 8 ca42 46 ll l nm R943 JW502 2 e JW501 90 E e ce C591 O ab m uus O o o tk O N0501
42. G xw O ini a AEP UK 6 CIS K s a NO MT i 98651 1553557 100 138 WV Wd 100 41 JOV WY 63 039 31 lt gt qi of N ao gt lt lt i oo K ub 33 IG 11 OG 114 J50 WV_ NI W4 13 8879 21 341 201 o E 1098 ze Sz R pa m eir 8 gt lt a co Sa x TR N B Q L Gli 5 2 e e 1070 5792 SR a hx cuo S O LL m R E Lu 8 55 e5 ru in o ds o m o os o C657 47 16V vive SGH LNI SGH GN9 IVLI91B AS G SGH H3 H GN2 901VNY 1 034315 GANNL AOL Y 33 08 JW IG OW 13 TO 3 3 Page 29 09 27 27 24 23 TO 3 3 Page 29 17 18 19 20 21 22 16 Page 29 TO 3 3 11 12 13 14 15 10 TO 3 3 Page 29 See page 44 for IC Pin Function Description e See page 48 for IC Block Diagrams 7 7 SCHEMATIC DIAGRAM MAIN 2 3 SECTION See page 21 for Wavefoms HCD BX7 DX7 DX7J Page 29 5 gt 6 gt 7 gt 8 9 1 gt 225 25 24 gt 25 gt 26 gt 28 29 gt 30 34 gt In d amp N ubi one 5 Nes Hill Del e 13 15 8 9000909900 3 3 5 220 R43 lt
43. K K KK K K KK K K K K K K K K K K MAIN BOARD COMPLETE AUS KKK K K 2k 2k 2k K K K K K K 2k K K K K K K K K K MAIN BOARD COMPLETE TH K K K K K K K MAIN BOARD COMPLETE KR K K K K KK K 2k K K K K K K K K MAIN BOARD COMPLETE DX7J KKK K K K K K K KK K K K K K K K K K K K K SCREW BVTP 3X8 TYPE2 N S lt CAPACITOR gt CERAMIC CHIP 220PF 10 50V ELECT 2 2UF 20 00 50V ELECT 10uF 20 00 50V ELECT 10uF 20 00 50V ELECT 10uF 20 00 50V MYLAR 0 047uF 5 00 50V MYLAR 0 068uF 5 00 50V MYLAR 0 068uF 5 00 50V CERAMIC CHIP 0 0068uF 10 50 CERAMIC CHIP 0 0068uF 10 50 Ref No C111 C112 C113 C115 C116 C117 C118 C121 C122 C123 C124 C125 C131 C132 C133 C134 C135 C140 C142 C144 C146 C151 C152 C153 C154 C155 C156 C157 C158 C159 C160 C161 C162 C165 C166 C167 C171 C172 C175 C199 C201 C202 C203 C204 C205 C206 C207 C208 C209 C301 C302 C303 C305 C306 C307 Part No 1 163 018 00 1 126 961 11 1 126 957 11 1 136 169 00 1 136 169 00 1 126 964 11 1 126 961 11 1 126 964 11 1 126 964 11 1 126 964 11 1 163 038 91 1 126 964 11 1 136 169 00 1 126 964 11 1 126 925 11 1 163 033 91 1 126 964 11 1 163 038 91 1 163 038 91 1 126 964 11 1 126 925 11 1 163 001 11 1 126 961 11 1 126 964 11 1 126 964 11 1 126 964 11 1 136 161 00 1 136 495 11 1 136 495 11 1 163 019 00 1 163 019 00 1 163 018 00 1 1
44. L OFF REC mute ON OFF signal output LEON H OFF BIAS ON OFF signal output HON L OFF EQ High Normal select signal output H High L Normal Playback deckA B select signal output H2deckB L deckA ALC ON OFF signal output LZON H OFF Tape deck relay ON OFF signal output H ON L OFF Not used STANDBY relay control signal output Speaker protect signal input LZON H OFF Not used Line mute signal output LZON H OFF CD POWER ON OFF signal output HON L OFF Not used Speaker terminal relay control signal output HON L OFF POWER ON OFF signal output HON L OFF Not used A deck reel pulse detect signal output B deck reel pulse detect signal output Not used B deck half detect signal input KEY for jig CD adjust MODEL input Analog ground Version select signal input Analog Reference Voltage Analog Power Supply Power amplifier mute ON OFF signal output HON L OFF e PANEL BOARD 601 TMP88CP77F 1A22 DISPLAY CONTROL TUNER O TUNERLEDaiveroupaighaciv feor aeron O TAPEAVB LED diver ouput highavine _ MDVIDEO O a _ O oRoovELEDa erowpuignaci _ O RECIPAUSE TED arver ouput SURROUND O SURROUND LED _ o jou 9 CN b 26 ALL BAND BPF input AD 27 TIMER o TIMER SEL LED driver output 28 STANDBY O STANDBY LED output 31 AVREF Analog reference
45. LN o G 6 oe o Q S o gt RNN so 2 4 M N 5 BRO Ny 9 o C 5 x e gt _ 2 o G 6 SISISISIS JW927 G 4 8 np 3153151513 2 7 4 N a US CND DX7 DX7J G 3 TO HEAB A BOARD 5 Q MODEL C348 D LS G 4 Page 36 NT R357 81551 A F 3 5 n LE HAUTS 356 JW R F 4 5 JR2 D C951 lt Jw28 b E LT ROL 2 SURROUND D 2 fa sej 019 C355 e BB B H JW29 SPEAKER R34 C925 14 D 2 376 gt BE f N R355 ui JW10 k al 18 o L C921 JW312 IL f fe HEI 23 a a 118 2 ll THUN SN JW296 2 SHE i RR lt 1 y A E C 2 R386 R338 a T S L SIT nc WII R336 10 F E mc ET LE R395 2E 5 p k E l El oe z D 2 EM 8394 9 5901 8 o o o d 9 we ys 8904 C 2 52 e t ex 9905 5 d G 9 B 4 J 29187 5 Ve 8902 C 3 TO HEAB B BOARD e 255 nam 5 e AN ee KIF P 36 N e 85 C3420 EQ30 DS DE ddr iis N age U E ote A 2 C 3 E amp ME i C981 Z 961 5 9 2 40 2906 DOO Jo a EO U gaci B 4 gt 2 Q Tox M M e z B 7 a olo m
46. O O O O O O O O O O O O O O O O O 00000 O O O O 00 O O O 0 O R750 0050 R751 R753 0651 O OY OE 1 676 190 ooo d Ws re FLUORESENT INDICATOR TUBE 81601 EDR RR 00 G In in Bo 9 X 0 8 5 9 636 SSSS505SS8SS 555 S88 8s ss ssssssss TIT MULA 23004571 55 co 0120 0101 99 as 5 5 5 5 5583368 907 O 2 7 Se ya a eme quet i JW078 JW080 e 0785 JW059 MUS 2 JW079 SL 5435 8611 eu 214 PLAY MOBEJ PZ 48 12569 24087 am 7223 Nu e o co 9 EM e NE 8 5 5 5 5 JW066 A Z a 8502 5 Sels 5 SQ me E BISPLAY p 55 To x JWog4 O a ml p EP ZB P p roo O Ne L A wiog 9 1 A Oo oO OS ol o dz dz dz Z SPECTRUM 8518 LLL e O o REPEAT AN MES Q REPEAT EI H9 ds as a 00 agg RES dE JW007 5 0620 ar d 6 0 602 o o GIO p o d 0608 pco JW006 R681 N R507 O QI OE R683 O A 5 FB602 R637 ATP CONS PE C hy 29 5655 DIRECTION ip 8008 7 6 a 2 aa we S own is C604 JW061 o ol OE 5639 a AMAL o rug 5 8 51215 09 ere Ts if JW060 A 1 4 s jeje 0 SSII 605 1601 EQ EDIT o xx 2 ew gt 2 9604 R635 Q615 5 R606
47. T C162 CN C36 HH 56 JW157 JW156 JW155 B e C694 a D 362 te JW145 gt 116 R685 go81 gt C 0591 aj IE la oT wit L BERISS px MODEL 0686 LA C685 5 FO S E e 283 w 2 9 rr 882 E MIL S US P E 2 R374 N amp gt 6 3 2155 R686 JW165 D d S JW107 ati HE US CND DX7 DX7J F 3 z R BX7 MODEL 1 o PO a ES Dane JW149 5 gt 15 N ES C689 MODEL JW105 S m e c C690 JR642 E 4 JW148 5 15515 r AEP UK a C695 9 B 3 JW163 Eje 4247 22 Pall NO Il lll R371 R A UL LL ca R134 1 9 R689 HH 123 e JW147 CN301 CHA C109 2 NN ER C691 om o C 8 B Li NN JW56 R377 1 3 NIE A 7 eo Me le Pe os By GH 3 5 S Us cigs me Bi R o A DS D 7 TO LEAF SW BOARD BEL ma 101 4 JW102 g J UU U T JW54 M 2 AUDIO 2 A BE 20506 0505498 JW99 JR4 JW53 5 6 Pa e 36 Sp BIS c x C301 g BEI 4 MIR CA C Se O L 5 g JW162 8 3 0374 m 310 50305 Q ET E O Jwaig 8105 5 C118 JW310 U F 6 Dems HH P ml WS 6825 cnest L 5 C102 01 3 Cn col e 3 in 824 C 5 5 1 6 to e Co yraz R893 SS C 4 5555 25 rhs 2825
48. X O OE O O OE R611 JW058 JW055 5 JW059 5 EA DX7J S 620 JW057 JW054 o gt 5 5 JW056 JW053 2 o lm le 1 Jt G s S _ 2 5 2 SIR 3 JW082 s dc ee 9 o lt e 5 5 6 Te NE SEE JW050 S E 5 o e pruo JW117 5 2 22 5 JW118 JW049 5 5632 8615 9 o JW119 S R652 sf SURROUND 6 78 pp s v ARS 8 mE JW161 R667 Of P e JW046 ol 315155 3 5 3 ca C417 JW045 6 aU 1 3 3 8613 S2 A R604 f JW044 d n Jw018 A z gt 5 R704 S 48045 R666 Mu AM VEN ns ra 8 WIBED o o 10 5 0622 730 4 oim os 5 or ba 3E n 0624 SZ R673 a Eee ee C734 oio JW041 aira gap D JW115 P e 5 em 515 z 44112 nm m a 5 JW042 Z fil amp 9 NO 1 x EPIT MEN Ce 5 r 1 R616 5 ZA xix Lf Q RV722 O ows ow 1 wed O E i gu kal o R693 R GG N R ba FI f jus i 623 9 1 ee FIBI TUNER BANB 605 9 0 Bay 5 I 1 JW037 EA DX7J 7 a 88724 228 JW143 o o oo ili gt if O9 Cn NI NI C4613 3k 5429 iD z 5601 1 ps lt gt Me 3 R653 C720 x
49. gt Q gt lt eli I FW 1 1 1 1 1 1 O Ws 1 1 lt 2 lt SL 1 c 1 1 N 2 1 5 S lt 1 Es ere es es II Never ZZ i I I I I X601 l 12 5MHz e I 1 Q 401 I 32 768kHz I I 0 1 I i aa 91 90 69 68 93 67 79 4 5 010 13 83 84 0 30129 18 407 gt gt gt w 2 lt z H LLI gt lt 1 1 D D lt d gt Ea D ATRGM Q 57 TRIG orrfT 2 9 Q 5 5 1 1 B lt m 0391 392 ez 5 72 I EA SP MY EXCEPT BTRGM E 88 TRIG CD D 5V E2 E3 AR EA SP MY E2 E3 AR DRIVE nage MODEL MODEL F973 r JW901 1 0395 MASTER CONTROL Ap 10401 2 2 nee EA SP MY E2 E3 AR CAPMHL Q BLED EONT 59 CAP M H L CD POWER 65 0396 397 RDS D 5V UNSW VB rrz 1 I CAP MOTOR fra AUDIO 5V 4 DRIVE 60 CAP M CONT 5 A 12V at 2 J oc TC A 12V DX7 DX7J 81 12 MODEL MIC A 12V STA 12V D906 909 lt TC M 9V RCH is omitted CD M 7V e Signal Path LED 7V gt gt PB DECK A Sio MODE gt REC DECK B EVER 5 6V D AC c IN gt FM 1 1 1 1 1 1 1 1 1 1 E CD I RELAY 7 i DRIVE 4 23 23
50. i i 2 TO LEAF SW BOARD Page 37 28 28 7 8 SCHEMATIC DIAGRAM MAIN 3 3 SECTION E Page 25 sa 09 TO BRIVER BOARA Page OPTICAL CB DIGITAL OUT 2 H 5V sw 00 B GNB L CH A GNB R CH E A 5V SW X RST BB BOARD 8 X LAT CB CLK BATA HOLB BATA SENS SQ CLK SCOR M GNB M 7V UNSW MGNB MTR CNT2 MTR CNT1 39 TO 2 3 Page 28 TO 2 3 Page 28 M 7V B 5V OPEN SW CLOSE SW BU UP BOWN SW TBL ABBRESS SW B GNB lt 17 lt 18 lt 23 lt 24 lt 25 lt 26 lt 28 lt 29 lt 30 lt lt 32 lt 33 lt 34 B 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 27 EEK AMP BOARD i 2 RE B Page 31 33 C Page 31 33 qm ie 2255 x Z 0 e SE297 ER 225 GE V e 6 6 6 60696206296 5505555050558 mee a 5 CN902 MAIN BOARD 3 3 A A al RN S S Mir De IC201 101478 200 AEP CIS 6 UK TES 2 44 5 0 9 OPTICAL BIGITAL OUT ON 11 BG PT Pul I sy Ap 4 961 5 1 5 129 10 1 2W C989 s ml NI I casi 0 1 25V EXCEPT AEP CIS 6 UK ee 0824 825 1 5 RELAY SWITCH 4 8 0 q 0828 829 o o PROTECT SWITCH Pei ES e
51. to obtain best waveform RF Level Check oscilloscope BD board o lt 0 Procedure Connect oscilloscope to TP RF Connect between TP AGCCON and TP GND by lead wire Turned Power switch on Load a disc YEDS 18 and playback Confirm that oscilloscope waveform is clear and check RF signal level is correct or not 6 After check remove the lead wire connected in step 2 19 20 MEMO SECTION 7 DIAGRAMS 7 1 CIRCUIT BOARD LOCATION THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this the necessary note is printed in each block DRIVER Board Note on Schematic Diagram Note on Printed Wiring Boards All capacitors are in uF unless otherwise noted pF uuF e o parts extracted from the component side SENSOR Board 50 WV or less are not indicated except for electrolytics e xc Pattern from the side which enables seeing SUB TRANS Board and tantalums Indication of transistor TRANS Board resistors are in Q and 4W or less unless otherwise gt lt BD Board specified S 7 e A internal component lt gt e panel designation These are omitted s s ara 22 S Note Note d The components identi Les composants identifi s par fied by mark w or dotted une marque w sont critiques line with mark are criti pour la s curit cal for safety Ne les re
52. voltage 32 VDD MT Power supply 45V 33 40 G17 1 o FL gride signal output 51 VDD VFT Power supply 5 52 85 P2 35 EUN FL segment signal output 2 6 2 T 2 6 wAkEUP O WAKE UP si na ouput Tor mae sonio ULU 7 4 7 20 IC BLOCK DIAGRAMS 1 101 CXD2587Q BD BOARD e DIGITAL OUT LRCK 61 PCMD ol 27 JINTERFACE BCK 63 m _ 3rd ORDER NOISE SHAPER OVER SAMPLING AOUT 77 DIGITAL FILTER 8 RMUT 79 SERIAL IN LMUT 80 INTERFACE vs l 225 D 5 GG c KX W IC102 BA5974FP BD BOARD R 7 x INTERFACE F CH4BIN CH4SIN CH3RIN W CHASIN 52 CH3FIN F R SUBCODE PROCESSOR 23 CAPAIN3 OO SERVO INTERFACE CPU OPERATIONAL AMPLIFIER ANALOG SWITCH A D CONVERTER 3 GND MUTE 37 XTSL 36 TES1 85 TEST 34 VSS FOCUS PWM FRDR GENERATOR FFDR TRACKING TRDR PWM GENERATOR TFDR SLED PWM SRDR GENERATOR SFDR 7 SSTP 22 22 05 LOCK MIRR DFCT FOK FOK 8 DFCT DETECTOR MIRR 01 COUT LL LL Z Z eo T I G gt o CH40UTR 7 INTERFACE LEVEL SHIFT THERMAL SHUTDOWN F R F x INTERFACE R F R
53. ze Page AO J101 1 1 1 l L CH OVER LOAD 5 MD VIDEO NO UON ET ERE AUDIO me e4 DX7 DX7J MODEL CP Ep Dos DECK PROC FAN ARE PB EQ 10301 DRIVE 5 ECK A ANP B AGE ss b 302 1 10303 C A FL601 VA Part INDICATOR TUBE HEAD DISPLAY CONTROL H 1 gt i LL R CH ma 4 RV303 FI F2 gt gt 50 REC PB SWITCH 52 0615 DECKB 10302 10602 85 0606 614 5 6V 7V 10 SPEANA 17 20 LD LED t BPF 33 DRIVER REC PB i SWITCH 11 DX7 DX7J MODEL MIT HEAD 1 Q304 305 nn o 0630 635 D630 632 EXIST1 3 J721 S617 618 8623 628 630 636 GROOVE LED 11 BIAS RV304 ee 17 KEYO FILE LED 12 BASS SHIFT LED 13 1 1 1 1 RCH LA BIAS 1 1 S611 616 T301 TA 12V we aes ON RR SS a nee S619 621 626 629 FUNCTION LED 14 BIAS 5 FUCTION G8 ei REC PAUSE LED 15 ERASE 5 5 2 7722 EW ka SURROUND LED 16 0302 303 ins X W 0301 5 MIC 2 2 2 S637 646 2 TE Bani FUCTION POWER LED DRIVER Q605 D602 LED ET 0 VOL TIMER LED 7 DRIVER T TIMER VOLUME 2 voL B d SELECT SIRCS D822 16603 Lec Q141 D TC BLOC 6V A 12V cm A120 70 B120 70 AHALF O B HALF A PLAY B PLAY SHUT B SHUT DONS ca SS ROTECT ye ems cba cp pc tmo mm m Lore A rm
54. 0 1 10W 680 590 1 10W 330 590 1 10W 1 5K 590 1 10W 47 590 1 10W 0 US CND 680 590 1 10W 220 590 1 8W 4 7K 590 1 8W 2 2K 590 1 8W 2 0 5 1 10W AEP G UK CIS 390 590 1 10W EXCEPT EA AEP G UK CIS 470 590 1 10W EA 1K 590 1 10W 4 7K 590 1 10W Ref No R617 R617 R617 R618 R619 R620 R621 R622 R623 R624 R625 R641 R642 R655 R656 R658 R659 R660 R661 R662 R663 R664 R665 R666 R667 R668 R669 R681 R682 R683 R684 R685 R686 R688 R689 R801 R802 R804 R821 R822 R823 R824 R825 R826 R827 R829 R831 R841 Part No 1 216 035 00 1 216 039 00 1 216 041 00 1 216 049 91 1 216 025 91 1 216 065 91 1 216 075 00 1 216 057 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 097 91 1 216 073 00 1 216 073 00 1 216 222 00 1 216 174 00 1 216 061 00 1 216 065 91 1 216 025 91 1 216 065 91 1 216 065 91 1 216 065 91 1 216 025 91 1 216 073 00 1 216 222 00 1 216 049 91 1 216 065 91 1 216 025 91 1 216 073 00 1 216 097 91 1 216 097 91 1 216 067 91 1 216 166 00 1 216 065 91 1 216 065 91 1 260 304 51 1 260 304 51 1 216 089 91 1 216 238 91 1 216 240 00 1 216 222 00 1 216 073 00 1 216 065 91 1 216 085 00 1 216 081 00 1 216 230 00 1 216 216 00 1 216 081 00 Description METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP RE
55. 00 5 5 5 00 20 00 20 00 5 20 00 5 5 20 00 20 00 5 00 10 5 5 00 20 00 5 5 5 5 00 20 00 20 00 20 00 5 5 00 20 00 20 00 20 00 20 00 5 00 10 5 5 20 00 20 00 20 00 5 5 5 00 20 00 20 00 5 20 00 5 5 20 00 20 00 Remarks 50V 50V 50V 50V 50V 50V 50V 50V 16V 10V 50V 50V 50V 50V 50V 50V 50V 50V 50V 10V 50V 50V 50V 50V 50V 50V 50V 100V 50V 50V 50V 50V 50V 50V 16V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 10V 50V 50V 50V 50V Ref No 382 C383 C384 C385 C410 C411 C414 C416 C462 C464 C497 C498 C501 C502 C503 C504 C505 C601 C602 C603 C604 C605 C607 C607 C611 C612 C613 C614 C615 C616 C616 C617 C617 C618 C619 C620 C621 C622 C623 C624 C625 C625 C626 C628 C628 C629 C630 C631 C632 C633 C634 C635 Part No 1 137 427 11 1 163 003 11 1 163 103 00 1 126 964 11 1 163 233 11 1 163 231 11 1 163 038 91 1 126 916 11 1 104 665 11 1 163 031 11 1 126 964 11 1 163 038 91 1 136 165 00 1 136 165 00 1 126 964 11 1 109 953 11 1 163 038 91 1 163 031 11 1 163 031 11 1 104 664 11 1 163 031 11 1 163 031 11 1 216 295 91 1 163 031 11 1 104 664 11 1 163 031 11 1 126 960 11 1 163 031 11 1 163 031 11 1 163 021 91 1 163 023 00 1 163 021 91
56. 057 00 1 216 045 00 1 216 061 00 1 216 089 91 1 216 061 00 1 216 061 00 1 216 238 91 1 216 065 91 1 216 049 91 1 216 089 91 1 216 094 00 1 216 065 91 1 216 089 91 1 216 094 00 1 216 099 00 1 216 025 91 1 216 067 00 1 216 100 00 1 216 296 91 1 216 099 00 1 216 033 00 1 216 081 00 1 216 075 00 1 216 107 00 1 216 296 91 1 216 075 00 1 216 081 00 1 216 033 00 1 216 065 91 1 216 065 91 1 216 295 91 1 216 109 00 1 216 295 91 1 216 073 00 1 216 025 91 1 216 025 91 1 216 025 91 1 216 025 91 1 216 025 91 1 216 025 91 1 216 033 00 1 216 033 00 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 specified Description METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP METAL CHIP RES CHIP METAL CHIP RES CHIP SHORT METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP SHORT METAL CHIP SHORT METAL CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT 680 2 2K 2 2K 680 3 3 ATK 3 3 3 3 47K 4 7K 47K 75K 4 7K 47K 75K 120K
57. 0862 0863 0891 0892 Q911 Q912 R101 R103 R104 R105 R107 R108 R109 R110 R111 R112 R113 R114 R115 R116 R121 R122 R123 R124 R125 R132 R133 R134 R141 R142 R143 R144 R145 R146 R147 R151 R153 R154 R155 R157 R158 R159 R160 R161 R162 R163 R164 R165 Part No 8 29 113 13 8 29 120 28 8 29 120 28 8 29 120 28 8 29 113 69 8 29 107 46 8 29 107 46 8 29 140 04 8 29 620 05 8 29 141 83 8 29 113 13 1 216 049 91 1 216 073 00 1 216 073 00 1 216 097 91 1 216 254 00 1 216 097 91 1 216 073 00 1 216 045 00 1 216 073 00 1 216 089 91 1 216 057 00 1 216 097 91 1 216 073 00 1 216 049 91 1 216 222 00 1 216 073 00 1 216 073 00 1 216 065 91 1 216 073 00 1 216 025 91 1 216 025 91 1 216 049 91 1 216 049 91 1 216 051 00 1 216 089 91 1 216 049 91 1 216 041 00 1 216 041 00 1 216 041 00 1 216 049 91 1 216 073 00 1 216 073 00 1 216 097 91 1 216 105 91 1 216 097 91 1 216 073 00 1 216 045 00 1 216 222 00 1 216 089 91 1 216 057 00 1 216 097 91 1 216 073 00 Description TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR lt RESISTOR gt RES CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP RES CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP RES CHI
58. 0V i 120 TO POWER AMP BOARD 22111 Page 32 MX MODEL 676 808 42 42 7 22 SCHEMATIC DIAGRAM TRANS SECTION DX7 DX7J MODEL TO POWER AMP BOARD Page 22 TO C POWER AMP VE BOARD 5 0 8 Page 22 09 EXCEPT AUS MX TH KR TRANS BOARD A T5 ZAL 250V R951 N 0 15 1 4W F97 N T8 3AL 250V AN R952 L N0 15 1 4W N N R953 0 15 1 4W eue I VOLTAGE SELECTOR T971 230 240V POWER 22001 TRANSFORMER E Jw9721 EXCEPT MX TH KR 120V D JW9075 5951 Ze lt gt ONE o 220V e We07 lt gt 120V Le lt gt AUS JW9073 MODEL Q sS E MEE S 11 1 9711 yx MODEL L J TH KR AREE 1 MODEL porc 1 k NOT REPLACEABLE EH 299071 BUILT IN POWER TRANSFORMER 43 43 CNP975 2 58 HCD BX7 DX7 DX7J HCD BX7 DX7 DX7J 7 24 IC PIN FUNCTION DESCRIPTION e MAIN BOARD 1 401 M30622MAA A25FP MASTER CONTROL Pin No 1 2 3 4 5 6 7 8 9 10 11 12 41 42 43 44 45 46 47 48 49 50 Description SURROUND 1 SURROUND 2 SURROUND 3 Data signal output for IC101 M61504FP 498 CLK Clock signal output for IC101 M61504FP AC CUT I AC CUT ON L OFF H CHECK Z
59. 1 136 165 00 1 127 755 11 1 126 963 11 1 162 290 31 1 162 294 31 1 162 286 21 1 104 665 11 1 136 495 11 1 136 495 11 1 128 560 11 1 126 967 11 1 136 165 00 1 127 752 11 1 127 755 11 1 126 964 11 1 126 968 11 1 164 159 21 1 778 981 21 1 778 981 21 8 719 991 33 8 719 991 33 8 719 922 03 8 719 922 03 8 719 302 38 Description POWER AMP BOARD COMPLETE TH K K K K K K K K K K K K K K K Remarks POWER AMP BOARD COMPLETE DX7J KKK ke 3k K K K K K KK KK K K KK K K K K K K K K K K K K lt CAPACITOR gt ELECT CERAMIC CERAMIC CERAMIC ELECT MYLAR MYLAR ELECT ELECT CERAMIC CERAMIC MYLAR ELECT MYLAR MYLAR ELECT ELECT CERAMIC CERAMIC CERAMIC ELECT MYLAR MYLAR ELECT ELECT MYLAR ELECT ELECT ELECT ELECT CERAMIC lt CONNECTOR gt 4 7UF 470PF 0 001uF 220PF 100uF 0 068uF 0 068uF 22uF 1uF 0 01uF 0 01uF 0 1uF 3300uF 0 1uF 0 1uF 3300uF 4 7UF 470PF 0 001uF 220PF 100uF 0 068uF 0 068uF 22uF 47uF 0 1uF 3300uF 3300uF 10uF 100uF 0 1uF 20 00 10 50V 50V DX7 DX7J 10 10 00 20 00 5 00 5 00 20 00 20 00 30 00 30 00 5 00 20 5 00 50V BX7 50V 10V 50V 50V 100V 100V 16V 16V BX7 50V 63V 50V DX7 DX7J 5 00 50V DX7 DX7J 20 100V DX7 DX7J 20 00 10 50V 50V DX7 DX7J 10 10 00 20 00 5 00 5 00 20
60. 1 163 023 00 1 126 957 11 1 163 075 00 1 126 962 11 1 126 962 11 1 104 664 11 1 126 964 11 1 126 960 11 1 163 125 00 1 163 137 00 1 104 760 11 1 163 117 00 1 163 133 00 1 126 965 11 1 126 964 11 1 163 031 11 1 126 933 11 1 163 031 11 1 163 016 00 1 163 016 00 Description MYLAR CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELECT CERAMIC CHIP ELECT CERAMIC CHIP MYLAR MYLAR ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP SHORT CERAMIC CHIP ELECT CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP ELECT ELECT ELECT ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELECT CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP Remarks 120PF 5 00 50V 330PF 10 50V 27PF 590 50 10uF 20 00 50V 18PF 5 00 50V 15PF 5 00 50V 0 1uF 25V 1000uF 20 00 6 3V 100uF 20 00 10V 0 01uF 50V 10uF 20 00 50V 0 1uF 25V 0 1uF 5 00 50V 0 1uF 5 00 50V 10uF 20 00 50V 2 2uF 20 00 50V 0 1uF 25V 0 01uF 50V 0 01uF 50V EXCEPT US CND 47uF 20 00 16V 0 01uF 50V 0 01uF 50V 0 DX7 DX7J 0 01uF 50V BX7 47uF 20 00 16V 0 01uF 50V 1uF 20 00 50V 0 01uF 50V 0 01uF 50V 0 01uF 10 00 50V DX7 DX7J 0 015uF 5 50V 7 0 01uF 10 00 50V DX7 DX7J 0 015uF 5 50V BX7
61. 1 47 50V SES vibe R512 25C1841TP MUTE 8551 AC4 TO TRANS BOARD E 554 1 4 CONTROL 151331 77 43 age a A fijas 0501 551 556 er 0 R553 OVER LOAD 390 DET CENTERTAB hid VF N0506 R943 470pF 56k 4 pu 34 F W 0942 A 2541175 JW100 C943 100 50V C551 4 7 R551 I l MTZJ T 72 12B EA C980 0 1 TP514 TP521 D 2 a 9220559999099 1 290509999009 EN LU m n gt gt m _ P C Q o L CN502 O O O O Z lt B 0B D O Z gt 1 A lt lt OO e roo 0 1 In ulm y G a cj a tl oc NZ oc n p u gt gt m 0 m pL n D 4 TO MAIN BOARE Page 29 TO MAIN BOARD Page 29 33 33 HCD BX7 DX7 DX7J 7 13 PRINTED WIRING BOARD PANEL SECTION See page 21 for Circuit Boards Location L 1 2 4 5 6 7 8 Semiconductor Location UJ oo I nmrimeotuoo P 100 D gt gt gt BOOP Pl 1 1 1 1 oo SLA D 8 B 2 D 7 D 7 C 7 C 7 C 7 C 7 C 7 C 6 C 6 D 3 O X NN W 09 TO MAIN BOARD Page 26 CD SW BOARD R689 O O O O R754 Oo O Om 0632 5646 OPEN CLOSE PANEL BOARD C653 C651 I M O O O O O O O O O O O
62. 1000uF 20 00 25V ELECT 1000uF 20 00 35V ELECT 1uF 20 00 50V ELECT 1000uF 20 00 6 3V ELECT 1uF 20 00 50V ELECT 100uF 20 00 16V ELECT 100uF 20 00 10V ELECT 10uF 20 00 50V ELECT 470uF 20 009 16V ELECT 1uF 20 00 50V ELECT 1uF 20 00 50V ELECT 1000uF 20 00 10V lt FILTER gt FILTER CERAMIC US CND DX7 DX7J FILTER CERAMIC AEP G UK CIS FILTER CERAMIC US CND DX7 DX7J FILTER CERAMIC AEP G UK CIS CONNECTOR SOCKET CONNECTOR 19P PIN CONNECTOR LIGHT ANGLE 10P HOUSING CONNECTOR PC BOARD 3P SOCKET CONNECTOR 17P CONNECTOR BOARD TO BOARD 30P PLUG CONNECTOR 3P US CND DX7 DX7J CONNECTOR BOARD TO BOARD 13P CONNECTOR BOARD TO BOARD 13P DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE 155355 17 155355 17 155355 17 155355 17 155355 17 155355 17 155355 17 155355 17 155355 17 155355 17 UDZ TE 17 6 8B DA204K T 146 Ref No Part No Description Remarks Ref No Part No Description Remarks D651 8 719 988 61 DIODE 155355 17 lt JACK gt D681 8 719 988 61 DIODE 155355 17 AEP G UK CIS D801 8 719 988 61 DIODE 1553551 17 J101 1 793 987 11 JACK PIN 2P MD VIDEO J102 1 774 819 11 JACK PIN 2P SURROUND SPEAKER D822 8 719 988 61 DIODE 1553551 17 D841 8 719 988 61 DIODE 155355 17 lt JUMPER RESISTOR gt D861 8 719 988 61 DIODE 155355 17 D891 8 719 988 61 DIODE 1
63. 100K 5 1 4W 100K 5 1 4W 47K 5 1 4W 82K 5 1 4W 10K 3 1 4W 15K 5 1 4W 33K 5 1 4W 470K 5 1 4W 330 5 1 4W 150 5 1 4W F 47 5 1 4W F 100K 5 1 4W 100K 5 1 4W 100K 5 1 4W 100K 5 1 4W 100K 5 1 4W 100K 5 1 4W 100K 5 1 4W 100K 5 1 4W 100K 5 1 4W 10K 5 1 4W 270 5 1 4W F 330 5 1 4W 470 5 1 4W F 680 5 1 4W F 1K 5 1 4W F 1 2K 5 1 4W F 1 2K 5 1 4W F 1K 5 1 4W F 1 8K 5 14W F 3 3 5 1 4W 4 7K 5 14W F 10K 5 1 4W 270 5 1 4W F 330 5 1 4W 470 5 1 4W F 560 5 1 4W F 960 5 1 4W F 680 5 1 4W F 2 K 5 14W F 67 Ref No R6 2 R6 3 R6 4 R6 5 R676 R6 7 R6 8 R679 R680 R681 R682 R683 R684 R693 R694 R695 R696 R701 R702 R703 R704 R705 R706 R721 R722 R723 R724 R725 R726 R727 R728 R729 R730 R731 R732 R733 R734 R735 R736 R737 R737 R738 R739 R740 68 Part No 1 249 420 11 1 249 422 11 1 247 843 11 1 249 425 11 1 249 427 11 1 249 429 11 1 249 432 11 1 249 429 11 1 249 410 11 1 249 411 11 1 249 413 11 1 249 414 11 1 249 415 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 410 11 1 249 408 11 1 249 410 11 1 249 411 11 1 249 410 11 1 249 410 11 1 260 099 11 1 260 100 11 1 247 863 91 1 247 863 91 1 247 863 91 1 249 437 11 1 247 863 91 1 249 429 11 1 247 863 91 1 247 863 91 1 247 881 00 1 249 417 11 1 249 429 11 1 247 807 31 1 247 885 00 1 249 429 11 1 249 437 11 1 247 863 91 1 249
64. 11 1 249 406 11 1 249 406 11 1 249 406 11 1 249 406 11 1 762 8 75 21 1 762 8 75 21 1 762 8 75 21 CD SWITCH BOARD COMPLETE EXCEPT TH DX7J K K K KK K K KK K K K K K K K K K K K K K CD SWITCH BOARD COMPLETE TH KKK ke K zk K K K K K K K K K K K K K K CD SWITCH BOARD COMPLETE DX7J ok ok ok ok ok ok ok Ok KKK KKK Ok Ok ok kokk lt DIODE gt DIODE SML79423C TP15 DISC 1 DIODE SML79423C TP15 DISC 2 DIODE SML79423C TP15 DISC 3 lt TRANSISTOR gt TRANSISTOR BN1A4M TP TRANSISTOR BN1A4M TP TRANSISTOR BN1A4M TP TRANSISTOR BN1A4M TP TRANSISTOR BN1A4M TP TRANSISTOR BN1A4M TP lt RESISTOR gt CARBON 1K 5 1 4W CARBON 1 2K 5 1 4W CARBON 1 8K 5 1 4W CARBON 2 1K 5 1 4W CARBON 3 3K 5 1 4W CARBON 120 5 1 4W CARBON 120 5 1 4W CARBON 120 5 1 4W CARBON 120 5 1 4W CARBON 120 5 1 4W CARBON 120 5 1 4W lt SWITCH gt SWITCH KEYBOARD DISC SKIP SWITCH KEYBOARD DISC 1 SWITCH KEYBOARD DISC 2 Tl TI TI TI TI TI TI TI r Ref No S645 S646 Part No 1 762 875 21 1 762 8 75 21 Description Remarks SWITCH KEYBOARD DISC 3 SWITCH KEYBOARD OPEN CLOSE K K K KK K K KK KK KK K K K K C702 CN701 CN702 D701 1701 R701 R702 1 675 912 11 1 126 964 51 1 785 336 11 1 785 550 11 8 719 109 66 8 759 598 69 1 249 411 11 1 249 401 11 DRIVER BOARD 2k kok lt CAPACITOR gt
65. 2 FM lead antenna 1 Front speaker pads 8 Design and specifications are subject to change without notice SAFETY CHECK OUT US model only After correcting the original service problem perform the following safety checks before releasing the set to the customer Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 0 5 mA 500 microampers Leakage current can be measured by any one of three methods 1 commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instruments 2 A battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC voltmeter The limit indication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a passive VOM that is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A To Exposed Metal Parts on Set AC 0 15uF voltmeter 0 75V Earth Ground Fig A Using an AC voltmeter to check AC
66. 26 961 11 1 136 169 00 1 136 169 00 1 126 964 11 1 126 964 11 1 126 964 11 1 126 964 11 1 163 038 91 1 104 665 11 1 126 935 11 1 163 033 91 1 126 961 11 1 163 033 91 1 126 961 11 1 126 916 11 1 163 117 00 1 126 925 11 1 126 960 11 1 130 479 00 1 136 165 00 1 126 964 11 1 126 960 11 1 126 959 11 Description CERAMIC CHIP ELECT ELECT MYLAR MYLAR ELECT ELECT ELECT ELECT ELECT CERAMIC CHIP ELECT MYLAR ELECT ELECT CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT ELECT CERAMIC CHIP ELECT ELECT ELECT ELECT MYLAR MYLAR MYLAR CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT MYLAR MYLAR ELECT ELECT ELECT ELECT CERAMIC CHIP ELECT ELECT CERAMIC CHIP ELECT CERAMIC CHIP ELECT ELECT CERAMIC CHIP ELECT ELECT MYLAR MYLAR ELECT ELECT ELECT 0 0056uF 2 2uF 0 22uF 0 22uF 0 22uF 10uF 2 2uF 10uF 10uF 10uF 0 1uF 10uF 0 22uF 10uF 470uF 0 022uF 10uF 0 1uF 0 1uF 10uF 470uF 220PF 2 2uF 10uF 10uF 10uF 0 047uF 0 068uF 0 068uF 0 0068uF 0 0068uF 0 0056uF 2 2UF 0 22UF 0 22UF 10uF 10uF 10uF 10uF 0 1uF 100uF 470uF 0 022uF 2 2uF 0 022uF 2 2uF 1000uF 100PF 470uF 1uF 0 0047uF 0 1uF 10uF 1uF 0 47uF 5 20 00 20 00 5 00 5 00 20 00 20 00 20 00 Remarks 90V 50V 50V 50V 50V 50V 50V 50V DX7 DX7J 20 00 50V DX7 DX7J 20 00 50V DX7 DX7J 20 00 25V 50
67. 5 11 1 570 953 11 1 570 953 11 1 771 333 11 1 771 536 11 1 771 536 11 1 771 333 11 1 771 536 11 1 771 536 11 Description Remarks lt RESISTOR gt CARBON 220 5 1 4W F CARBON 220 5 1 4W F CARBON 560 5 1 4W F CARBON 1 3K 5 1 4W CARBON 300 5 1 4W CARBON 24K 5 1 4W CARBON 7 5 5 1 4W CARBON 1K 5 1 4W F lt VARIABLE RESISTOR gt RES ADJ CARBON 10K RES ADJ CARBON 10K lt SWITCH gt SWITCH PUSH 1 KEY DECK A PLAY SWITCH PUSH 1 KEY DECK B PLAY SWITCH LEAF DECK HALF SWITCH LEAF DECK A 120 70 SWITCH LEAF DECK A REC SWITCH LEAF DECK B HALF SWITCH LEAF DECK B 120 70 SWITCH LEAF DECK B REC C101 C102 C103 C104 C105 C106 C107 C108 C109 C110 58 A 4428 097 A A 4428 334 A A 4428 340 A A 4428 347 A A 4428 349 A A 4428 351 A 4473 174 4473 337 4473 346 7 685 646 79 1 163 001 11 1 126 961 11 1 126 964 11 1 126 964 11 1 126 964 11 1 136 161 00 1 136 495 11 1 136 495 11 1 163 019 00 1 163 019 00 MAIN BOARD COMPLETE AEP G UK CIS gt k zk gt k ke K K 2k K K K K K K K K K K KK K K K K KK K K K K K K K K MAIN BOARD COMPLETE US CND K K K K K K K K K K MAIN BOARD COMPLETE EA K K KK K 2k K K K K K K K K MAIN BOARD COMPLETE SP MY E3 KKK K K K 2k K K KK K K K K K K K K K K MAIN BOARD COMPLETE E2 MX AR KKK ke K K 2k K
68. 5 91 1 216 029 00 1 216 037 00 1 216 017 91 1 216 045 00 1 216 037 00 1 216 053 00 1 216 017 91 1 216 295 91 1 216 045 00 1 216 182 00 1 216 214 00 1 216 206 00 1 216 035 00 1 216 039 00 1 216 041 00 1 216 049 91 1 216 065 91 Description RES CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP SHORT METAL CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP RES CHIP RES CHIP RES CHIP RES CHIP METAL CHIP RES CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT METAL CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP SHORT METAL CHIP RES CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP Remarks 100 590 1 10W BX7 10K 590 1 10W 10K 590 1 10W 100 590 1 8W 100 590 1 8W 100 590 1 8W 0 10K 590 1 10W 47K 590 1 10W 1 5K 590 1 10W SP MY AUS TH ES KR DX7J 22K 590 1 10W 2 10 590 1 10W EA 47K 590 1 10W BX7 47K 590 1 10W DX7 DX7J 10K 5 1 10W US CND 33K 590 1 10W AEP G UK CIS 100 5 1 10W 10K 5 1 10W 47K 590 1 10W 47K 590 1 10W 100 590 1 10W 4 7K 590 1 10W 470 590 1 10W 4 7K 590 1 10W 22K 590 1 10W 100K 590 1 10W 100 590 1 8W 10K 590 1 10W 10K 590 1 10W 10K 590 1 10W 10K 590 1 10W 10K 590 1 10W 10K 590 1 10W 0 EXCEPT US CND 150 590 1 10W 330 590 1 10W 47 59
69. 50V 50V 10 50 10 50 10 50 10 50 10 50 10 50V 10 50V 10 50 10 50V 10 50V 10 50 10 50V 10 50 10 50V 10 50 10 50 10 50V 209 16V DX7 DX7J 20 16V DX7 DX7J 20 00 50V DX7 DX7J 50V EA DX7J 10 50V EA DX7J 30 00 16 EA DX7J 20 00 50 EA DX7J 5 00 50V EA DX7J 20 00 50 EA DX7J 20 50V EA DX7J 5 00 50V EA DX7J 10 50V EA DX7J 20 00 50V EA DX7J 25V EA DX7J 30 00 16 EA DX7J 5 00 50V EA DX7J 20 00 10 EA DX7J Ref No C734 C735 C736 C737 C738 C739 C740 C741 C741 C742 C743 C744 C745 C746 C747 C748 C749 C750 C751 C752 C753 C754 C755 0756 0757 0758 0759 0760 0761 0762 0763 0764 0765 0766 0767 0768 0769 0770 0771 C772 C773 C774 C775 C776 C777 C778 C779 Part No 1 104 664 11 1 126 961 11 1 126 964 11 1 126 964 11 1 126 961 11 1 162 215 31 1 162 282 31 1 126 956 91 1 124 463 00 1 162 215 31 1 162 290 31 1 162 294 31 1 126 961 11 1 162 306 11 1 126 961 11 1 162 306 11 1 162 306 11 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1 162 282 31 1
70. 527 11 8 19 024 99 1 532 506 31 1 532 465 31 1 576 193 21 1 532 506 31 1 576 193 21 1 532 506 31 1 576 193 21 1 532 504 31 1 533 949 31 1 576 108 11 1 532 504 31 1 533 949 31 1 576 108 11 1 202 972 61 1 219 120 11 1 219 120 11 1 219 120 11 1 202 725 00 SOLID The components identified by mark A or dotted line with mark A are critical for safety Replace only with part number specified PLUG CONNECTOR 13P DX7 DX7J PLUG CONNECTOR 12P BX7 lt DIODE gt DIODE 11ES2 NTA2B BX7 lt FUSE gt FUSE T6 3AL 250V E2 E3 EA SP MY AR DX7J FUSE 3 15A 250V AEP G UK CIS FUSE 6 3A 125V US CND FUSE T6 3AL 250V AEP G UK CIS DX7 DX7J FUSE 6 3A 125V US CND FUSE T6 3AL 250V AEP G UK CIS DX7 DX7J FUSE 6 3A 125V US CND FUSE 4A 250V AEP G UK CIS FUSE CYLINDRICAL TIME LUG T8 3AL 250V DX7 DX7J FUSE 4A 125V US CND FUSE 4A 250V AEP G UK CIS FUSE CYLINDRICAL TIME LUG T8 3AL 250V DX7 DX7J FUSE 4A 125V US CND RESISTOR FUSIBLE 1 5 1 4W BX7 FUSIBLE 0 15 5 1 4W FUSIBLE 0 15 5 1 4W FUSIBLE 0 15 5 1 4W 3 3M 10 1 2W US Les composants identifi s par une marque sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi Ref No R974 R975 RY971 45951 AT971 AN 1971 ANT971 AT971 Part No 1 249 441 11 1 249 429 11 1 755 276 11 1 771 291 11 1 435 261 11 1 435 263 11 1 435 469 11
71. 55355 17 US CND DX7 DX7J JR1 1 216 296 91 SHORT 0 0892 8 719 988 61 DIODE 155355 17 US CND DX7 DX7J JR2 1 216 296 91 SHORT 0 JR3 1 216 296 91 SHORT 0 D901 8 19 200 82 DIODE 11ES2 TB5 JR4 1 216 296 91 SHORT 0 D902 8 719 200 82 DIODE 11ES2 TB5 JR6 1 216 296 91 SHORT 0 D903 8 719 200 82 DIODE 11ES2 TB5 D904 8 719 200 82 DIODE 11ES2 TB5 JR7 1 216 296 91 SHORT 0 D906 8 719 200 82 DIODE 11ES2 TB5 JR8 1 216 295 91 SHORT 0 JR9 1 216 295 91 SHORT 0 D907 8 719 200 82 DIODE 11ES2 TB5 JR13 1 216 296 91 SHORT 0 D908 8 719 200 82 DIODE 11ES2 TB5 JR14 1 216 296 91 SHORT 0 D909 8 719 200 82 DIODE 11ES2 TB5 D910 8 719 200 82 DIODE 11ES2 TB5 JR15 1 216 296 91 SHORT 0 D911 8 19 200 82 DIODE 11ES2 TB5 JR17 1 216 296 91 SHORT 0 JR18 1 216 295 91 SHORT 0 D952 8 719 988 61 DIODE 155355 17 JR19 1 216 296 91 SHORT 0 D953 8 719 988 61 DIODE 155355 17 JR23 1 216 296 91 SHORT 0 FERRITE BEAD JR24 1 216 296 91 SHORT 0 JR25 1 216 296 91 SHORT 0 FB201 1 216 295 91 SHORT 0 JR26 1 216 296 91 SHORT 0 FB202 1 216 295 91 SHORT 0 JR27 1 216 296 91 SHORT 0 FB203 1 216 295 91 SHORT 0 JR29 1 216 296 91 SHORT 0 FB204 1 216 295 91 SHORT 0 FB416 1 216 295 91 SHORT 0 JR31 1 216 295 91 SHORT 0 JR32 1 216 296 91 SHORT 0 FB462 1 216 295 91 SHORT 0 JR33 1 216 296 91 SHORT 0 499 1 216 295 91 SHORT 0 JR34 1 216 295 91 SHORT 0 JR35 1 216 296 91 SHORT 0 FRONT END JR36 1 216 295 91 SHORT 0 FE601 1 693 477 11 FRONT END 3 GANGS DX7 DX7J JR37 1 216 296 91 S
72. 63 099 41 SGREW CASE 3 TP2 6 4 224 550 21 3 4 225 038 01 SIDE PANEL L BX7 DX7 7 A 4437 194 A 3 4 225 038 21 SIDE PANEL L DX7J 7 A 4428 301 A 4 4 225 017 31 LOADING PANEL DX7 TH 4 4 225 018 11 LOADING PANEL BX7 7 A 4428 959 A 4 4 225 018 21 LOADING PANEL 8 4 225 041 11 DX7 SP MY E2 MX AR AUS E3 KR 8 4 225 041 21 4 4 225 018 31 LOADING PANEL DX7 EA 4 4 228 259 11 LOADING PANEL DX7J 8 4 225 041 31 5 4 225 039 01 SIDE PANEL R BX7 DX7 8 4 228 592 31 9 4 225 252 01 5 4 225 039 21 SIDE PANEL R DX7J M961 1 63 072 11 Description Remarks CASE TOP EXCEPT BX7 US CND CASE TOP BX7 US CND SUB TRANS BOARD COMPLETE BX7 US SUB TRANS BOARD COMPLETE BX7 AEP CIS UK G SUB TRANS BOARD COMPLETE BX7 CND BACK PANEL BX7 AEP CIS UK G DX7 AUS MX BACK PANEL DX7 EA SP MY E2 AR E3 KR BACK PANEL BX7 US CND BACK PANEL DX7J CUSHION FOOT FAN D C BX7 US CND DX7 DX7J 49 8 2 PANEL SECTION For service only Be sure to refer to Service note on page ZR 4 54 54 59 56 97 97 59 60 60 50 Part No X 4952 418 1 X 4952 792 1 X 4952 419 1 X 4952 791 1 4 225 032 01 A 4428 077 A A 4428 905 A A 4473 045 A 4 962 708 71 4 962 708 81 4 225 033 01 X 4952 415 1 X 4952 552 1 X 4952 553 1 X 4952 595 1 4 224 562 01 4 224 803 01 4 224 104 01 4 224 104 11 4 M M M M M 4 Description Remarks TC HOLDER L ASSY EXCEPT DX7 E3
73. 664 11 1 126 960 11 1 130 479 00 1 136 165 00 1 126 964 11 1 126 960 11 1 126 959 11 1 126 964 11 1 137 194 81 1 163 005 11 1 163 017 00 1 163 017 00 1 126 964 11 1 126 961 11 1 126 961 11 1 163 131 00 1 163 117 00 1 136 157 00 1 126 964 11 1 126 965 11 1 163 131 00 1 104 665 11 1 163 117 00 1 130 483 00 1 126 964 11 1 126 965 11 Description ELECT MYLAR CERAMIC CHIP ELECT ELECT CERAMIC CHIP ELECT ELECT ELECT ELECT ELECT ELECT ELECT CERAMIC CHIP CERAMIC CHIP MYLAR ELECT ELECT CERAMIC CHIP ELECT CERAMIC CHIP MYLAR ELECT ELECT MYLAR CERAMIC CHIP CERAMIC CHIP MYLAR ELECT FILM MYLAR MYLAR MYLAR ELECT ELECT ELECT MYLAR MYLAR ELECT ELECT ELECT ELECT MYLAR CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELECT ELECT CERAMIC CHIP CERAMIC CHIP MYLAR ELECT ELECT CERAMIC CHIP ELECT CERAMIC CHIP MYLAR ELECT ELECT 10uF 0 47uF 470PF 10uF 0 47uF 0 001uF 10uF 4 7uF 100uF 100uF 10uF 2 2uF 2 2uF 390PF 100PF 0 022uF 10uF 22uF 390PF 100uF 100PF 0 01uF 10uF 22uF 120PF 330PF 27PF 0 01uF 2 2uF 0 015uF 0 0068uF 0 0068uF 0 018uF 1uF 47uF 1uF 0 0047uF 0 1uF 10uF 1uF 0 47uF 10uF 0 47uF 470PF 0 0047uF 0 0047uF 10uF 2 2uF 2 2uF 390PF 100PF 0 022uF 10uF 22uF 390PF 100uF 100PF 0 01uF 10uF 22uF 20 00 5 00 10 20 00 20 00 10 20 00 20 00 20 00 20 00 20 00 20 00 20
74. 8 MOTOR BOARD SCREW 2 6X8 BVTP WIRE FLAT TYPE 8 CORE ADDRESS SENSOR BOARD DRIVER BOARD Remarks Ref No 262 263 264 265 266 267 268 269 270 2 1 2 2 M721 BU K2BD38 Part No X 4952 608 1 4 221 681 01 4 221 682 01 4 221 688 01 1 471 035 11 X 4952 019 1 X 4951 889 1 4 227 549 01 4 227 045 11 4 985 672 01 4 221 674 04 4672 826 269 271 Description Remarks CAM U D ASSY LEVER EX LEVER LIFTER PULLEY B CHUCKING MAGNET ASSY PULLEY A ASSY CHUCKING HOLDER BU ASSY INSULATOR SPRING INSULATOR COIL SCREW PTPWH M2 6 FLOATING CHASSIS MOTOR ASSY INCLUDING PULLEY Ver 1 4 8 7 BASE UNIT SECTION BU K2BD38 302 303 The components identified by Les composants identifi s par mark or dotted line with mark une marque sont critiques A are critical for safety pour la s curit Replace only with part number Ne les remplacer que par une specified pi ce portant le num ro sp cifi Ref No Part No Description Remarks Ref No Part No Description Remarks 301 A 4735 357 A OP BASE ASSY KSM 213DAP 303 A 4724 934 A BD BOARD COMPLETE 302 1 792 024 11 WIRE FLAT TYPE 16 CORE 304 4 951 620 01 SCREW 2 6X8 BVTP 55 NOTE Due to standardization replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set XX X m
75. 807 31 1 249 429 11 1 249 401 11 1 247 893 11 1 247 893 11 1 249 441 11 1 249 440 11 1 249 429 11 1 249 441 11 1 249 441 11 1 249 437 11 1 249 440 11 1 249 429 11 1 249 431 11 1 249 435 11 1 247 895 91 1 249 411 11 1 249 407 11 1 249 401 11 1 249 441 11 1 249 441 11 1 249 441 11 1 249 441 11 1 249 441 11 1 249 441 11 1 249 441 11 1 249 441 11 1 249 441 11 1 249 429 11 1 249 410 11 1 249 411 11 1 249 413 11 1 249 415 11 1 249 417 11 1 249 418 11 1 249 418 11 1 249 417 11 1 249 420 11 1 247 843 11 1 249 425 11 1 249 429 11 1 249 410 11 1 249 411 11 1 249 413 11 1 249 414 11 1 249 414 11 1 249 415 11 1 249 422 11 Description TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR RESISTOR CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON Remarks BA1A4M TP BA1A4M TP BA1A4M TP 2502 85TP FEK DX7 DX7J 10K 5 1 4W 100 5 1 4W 1M 5 1 4W 100 5 1 4W 10K 5 1 4W 100 5 1 4W 10K 5 1 4W 100 5 1 4W 10K 5 1 4W 47 5 14W F 390K 5 1 4W 390K 5 1 4W 100K 5 1 4W 82K 5 1 4W 10K 5 1 4W
76. 961 8 759 701 59 IC M5F7809L JR614 1 216 296 91 SHORT 0 AEP G UK CIS lt IFT gt JR615 1 216 295 91 SHORT 0 JR616 1 216 295 91 SHORT 0 601 1 435 295 11 TRANSFORMER IF JR619 1 216 295 91 SHORT 0 JR632 1 216 295 91 SHORT 0 US CND 61 Ref No JR634 JR636 JR640 JR641 JR907 JR908 JR909 JR910 JR923 JR924 JR928 L201 L301 L302 L303 L351 L641 L642 L642 L681 L801 L851 LPF601 LPF602 Q101 Q102 Q103 Q141 Q151 Q152 0153 0301 0302 0303 0304 0305 0391 0392 0393 0394 0395 0396 Q397 Q501 Q503 Q504 Q505 Q601 Q602 Q611 Q612 Q821 Q822 Q823 62 Part No 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 414 189 31 1 410 780 11 1 414 193 41 1 414 193 41 1 410 780 11 1 408 765 21 1 216 296 91 1 408 783 00 1 408 789 21 1 420 872 00 1 420 872 00 1 234 458 11 1 234 458 11 8 729 120 28 8 729 144 85 8 729 107 46 8 729 120 28 8 729 120 28 8 729 144 85 8 729 107 46 8 729 801 93 8 729 142 46 8 729 142 46 8 729 113 69 8 729 113 13 8 729 140 04 8 29 113 13 8 29 140 04 8 29 113 13 8 29 113 13 8 729 116 57 8 729 113 13 8 729 120 28 8 729 113 13 8 729 113 69 8 729 113 13 8 729 201 27 8 729 422 5957 8 729 120 28 8 729 120 28 8 729 120 28 8 729 120 28 8 729 216 22 Description SHORT SHORT SHORT SHORT SHORT SHORT SH
77. ASSY OP BASE ASSY KSM 213DAP WIRE FLAT TYPE 16 CORE BASE A ASSY HEAD BASE B ASSY HEAD MOTOR ASSY INCLUDING PULLEY INDICATOR TUBE FLUORESCENT MOTOR ASSY INCLUDING PULLEY FAN DC DX7 KR FAN DC BX7 US CND DX7 DX7J K K K KK K K KKK K KK K K 628 254 05 7 685 646 79 7 685 647 79 685 650 79 685 648 79 685 881 09 7 685 781 09 KK KK K K K K HARDWARE LIST KK KK K K K K K K SCREW PS 2 6X5 SCREW BVTP 3X8 TYPE2 N S SCREW BVTP 3X10 TYPE2 N S SCREW BVTP 3X16 TYPE2 N S SCREW BVTP 3X12 TYPE N S SCREW BVTT 4X8 S SCREW PTT 2X4 2 1 HCD BX7 DX7 DX7J REVISION HISTORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Description of Revision 2001 06 Correction of exploded views M721 SPM 01021 2001 08 Correction of exploded views Tape mechanism deck section and CD base unit section SPM 01030 2002 08 Addition of Ref No 272 CHASSIS for exploded views SPM 02070 2003 12 Part No correction of Ref No 301 for exploded views SPM 03061
78. BOARD AMS SWITCH KEYBOARD PAUSE SWITCH KEYBOARD AMS SWITCH KEYBOARD lt SWITCH KEYBOARD gt SWITCH KEYBOARD TAPE A B SWITCH KEYBOARD STOP SWITCH KEYBOARD CD SWITCH KEYBOARD TUNER BAND SWITCH KEYBOARD PLAY SWITCH KEYBOARD MD VIDEO SWITCH KEYBOARD 4446 SWITCH KEYBOARD SURROUND SWITCH KEYBOARD DIRECTION SWITCH KEYBOARD REPEAT SWITCH KEYBOARD PLAY MODE SWITCH KEYBOARD EDIT SWITCH KEYBOARD L C SWITCH KEYBOARD GROOVE SWITCH KEYBOARD EQ EDIT SWITCH KEYBOARD SPECTRUM SWITCH KEYBOARD DISPLAY VIBRATOR VIBRATOR CERAMIC 12 5MHz K KKK K K K K 4428 079 4428 344 POWER BOARD COMPLETE KKK K K K K K K K KKK KK K K K K K K K K K K K K K K POWER AMP BOARD COMPLETE EA SP MY E2 MX AR AUS E3 KR K KK K K K K K K K K K K K Ref No C501 C502 C502 C503 C504 C507 C508 C509 C510 C511 C512 C541 542 544 545 546 C551 552 552 553 554 C557 558 559 C581 C591 C592 C596 C942 C943 C980 CN502 CN503 D501 D502 D503 D504 D541 Part No A 4473 170 A 4473 342 1 126 963 11 1 162 290 31 1 162 294 31 1 162 286 21 1 104 665 11 1 136 495 11 1 136 495 11 1 128 560 11 1 128 578 11 1 162 306 11 1 162 306 11 1 136 165 00 1 127 752 11 1 136 165 00
79. Connected to ground Z Connected to ground I SUB CLOCK input 32 768kHz SUB CLOCK output 32 768kHz XC IN XC OUT RESET X OUT I System reset input MAIN SYSTEM CLOCK output 16MHz 2 on ET 2 2 2 2 ale 2 5 2 gt gt mi 52 9 gt 5 z 2 gt m A SS X IN I MAIN SYSTEM CLOCK input 16MHz Q Power supply 4 5 V PULL UP EVER 5V WAKE UP signal input L M WAKE UP SCOR RDS INT RDS DATA ST MUTE STEREO TUNED ST CE ST DOUT ST DIN ST CLK IIC_CLK IIC_DATA TXDI SQ DATA SQ CLK RSTI CD DATA CD Q data request signal input RDS interrupt signal input RDS data signal input Tuner mute signal output I STEREO detect signal input LEON H OF TUNED detect signal input LZON H OFF TUNER chip eneble output TUNER data output TUNER data input TUNER clock signal output IIC SCL output IIC SDA output Not used I Subcode Q data input CD data I Subcode Q data input CD clock I CD data input CD CLK CD clock input CLOCK OUT SENS HOLD LT XRST I Clock check signal input BD condition signal input MODE signal input CD latch signal output CD reset signal output Loading motor control signal input Loading motor control signal output OPEN CLOSE Tray open detect signal input Tray close detect signal input W Pick up up down detect signal input T SENS CD table detect signal input
80. ECT MTZJ T 77 5 6C SELS5923C TP15 GROOVE SELS5923C TP15 CURSOL SELS5923C TP15 CURSOL SELS5923C TP15 V GROOVE SELUBE20C STP15 FUNCTION SLR325VC N T32 REC PAUSE SELS5923C TP15 SURROUND INDICATOR TUBE FLUORESCENT 10 IC TMP88CP77F 1A22 IC BA3830F E2 IC RPM6940 H4 IC M65850FP EA DX7J IC M5218AP DX7 DX7J JACK JACK SMALL TYPE PHONE Remarks 50V 50V 50V 50V 50V JACK SMALL TYPE MIC1 DX7 DX7J JACK SMALL TYPE MIC2 EA DX7J COIL INDUCTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR 10uH BA1A4M TP BA1A4M TP BA1L3Z TP BA1L3Z TP BA1L3Z TP BA1L3Z TP BA1L3Z TP BA1L3Z TP BA1L3Z TP BA1L3Z TP BA1L3Z TP 25D1616A TP LK BA1A4M TP BA1A4M TP BA1A4M TP Ref No Q624 Q625 Q626 Q721 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R614 R615 R616 R617 R618 R619 R620 R621 R622 R623 R625 R626 R633 R634 R635 R636 R637 R638 R639 R640 R641 R642 R643 R644 R651 R652 R653 R654 R655 R656 R657 R658 R659 R660 R661 R662 R664 R665 R666 R667 R668 R669 R670 R671 Part No 8 29 900 80 8 29 900 80 8 29 900 80 8 29 119 79 1 249 429 11 1 247 807 31 1 247 903 00 1 247 807 31 1 249 429 11 1 247 807 31 1 249 429 11 1 247
81. HCD BX7 DX7 DX7J SERVICE MANUAL Ver 1 4 2003 12 US Model Canadian Model AEP Model UK Model HCD BX7 E Model HCD DX7 DX7J Australian Model HCD DX7 HCD BX7 DX7 DX7J is the tuner deck CD and amplifier section in MHC BX7 DX7 DX7J Photo HCD DX7 This stereo system is equipped with the Dolby B type noise reduction system Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol 00 are trademarks of the Dolby Laboratories Licensing Corporation Model Name Using Similar Mechanism CD Mechanism Type CDM58 K2BD38 Base Unit Type BU K2BD38 Optical Pick up Type KSM 213DAP Model Name Using Similar Mechanism Tape Transport Mechanism Type TCM 230MWR11 SPECIFICATIONS Other models The following measured at AC 120 220 240V 50 60 Hz DIN power output rated 160 160 watts 6 ohms at 1 kHz DIN Continuous RMS power output reference 200 200 watts 6 ohms at 1 kHz 1096 THD CD SECTION TAPE DECK SECTION AUDIO POWER SPECIFICATIONS US models only POWER OUTPUT AND TOTAL HARMONIC DISTORTION with 6 ohm loads both channels driven from 120 10 000 Hz rates 115 watts per channel minimum RMS power with no more than 1096 total harmonic distortion from 250 milliwatts to rated output 44 6 This output is the value measured at a distance of 200 mm from the objective lens surface on the Opt
82. HORT 0 FE602 1 693 478 11 FRONT END FM3 GANGS US CND JR38 1 216 296 91 SHORT 0 FE603 1 693 496 11 FRONT END 4 GANGS AEP G UK CIS JR39 1 216 296 91 SHORT 0 JR42 1 216 295 91 SHORT 0 JR44 1 216 296 91 SHORT 0 IC101 8 759 652 04 IC M61504FP TP JR45 1 216 296 91 SHORT 0 IC102 8 759 099 06 IC M5218AFP TE1 JR50 1 216 296 91 SHORT 0 BX7 10104 8 759 099 06 M5218AFP TE1 DX7 DX7J JR51 1 216 296 91 SHORT 0 10201 8 749 923 04 TOTX178A OPTICAL DIGITAL OUT JR52 1 216 296 91 SHORT 0 C301 8 759 652 80 12227 JR53 1 216 296 91 SHORT 0 IC302 8 759 143 54 IC uPC1330HA JR54 1 216 295 91 SHORT 0 DX7J 10303 8 759 656 83 IC NJM4580MD TE JR54 1 216 296 91 SHORT 0 EXCEPT TH DX7J IC304 8 759 656 83 IC NJM4580MD TE JR140 1 216 296 91 SHORT 0 C401 8 759 652 48 M30622MAA A25FP JR601 1 216 296 91 SHORT 0 EXCEPT US CND IC501 9 759 635 63 IC M51943BSL TP JR602 1 216 295 91 SHORT 0 IC601 8 759 652 00 IC BA1450 JR603 1 216 296 91 SHORT 0 C651 8 759 288 54 IC 2130 JR604 1 216 296 91 SHORT 0 10681 8 759 099 06 IC 5218 1 AEP G UK CIS JR605 1 216 296 91 SHORT 0 10682 8 759 541 48 BU1924 AEP G UK CIS JR606 1 216 296 91 SHORT 0 IC911 9 759 039 69 IC uPC7805AHF JR607 1 216 295 91 SHORT 0 C921 8 759 088 08 uPC7812AHF JR608 1 216 296 91 SHORT 0 C931 8 759 604 86 IC M5F7807L JR609 1 216 295 91 SHORT 0 10951 8 759 158 62 IC 780575 JR611 1 216 296 91 SHORT 0 JR612 1 216 296 91 SHORT 0 US CND C
83. IP CERAMIC CHIP ELECT ELECT CERAMIC CHIP ELECT CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELECT ELECT ELECT CERAMIC CHIP 0 01uF 0 01uF 560PF 0 01uF 4PF 0 01uF 33PF 33PF 22PF 0 001uF 0 001uF 0 01uF 47uF 2 2UF 0 01uF 47uF 0 01uF 0 47uF 0 01uF 0 01uF 10uF 560PF 0 1uF 47uF 10uF 2 2UF 330PF 0 01uF 560PF 2 2uF 0 01uF 56PF 56PF 0 01uF 0 01uF 0 1uF 0 1uF 0 01uF 100uF 2 2uF 1uF 0 47uF 0 1uF Remarks 10 00 50V 10 00 50V 5 BOV AEPG UK CIS 50V 50V 50V 5 BOV AEP G UK CIS 5 00 50V 5 00 50V 10 50V 10 50V 50V 20 00 16V 20 00 50V 50V 20 00 16V 50V 20 00 50V 50V 50V 20 00 50V AEP G UK CIS 5 50V AEP G UK CIS 25V AEP G UK CIS 20 00 16V AEP G UK CIS 20 00 50V AEP G UK CIS 20 00 50V AEP G UK CIS 5 50V AEP G UK CIS 50V AEP G UK CIS 5 BOV AEPG UK CIS 20 00 50V AEPG UK CIS 50V AEP G UK CIS 5 00 50V AEP G UK CIS 5 00 50V AEP G UK CIS 50V AEP G UK CIS 50V AEP G UK CIS 25V AEP G UK CIS 25V AEP G UK CIS 50V 20 00 10V 20 00 50V 20 00 50V 20 00 50V 25V AEP G UK CIS Ref No C852 C853 C861 C862 C863 C891
84. MHz SAND PANEL BOARD 1 1c601 STOP MODE JVVVVL 12 5MHz 4 8Vp p 21 21 HCD BX7 DX7 DX7J 7 2 BLOCK DIAGRAMS TUNER CD SECTION DX7 DX7J MODEL AM FM IF MPX 16601 Q602 LPF601 CF601 RF IF CF602 N BUFFER LPF L CH LA AMP D 0611 y m MAIN R CH SECTION Q602 Page 23 IFT601 rr AM MIX OUT 19 3 E IF OUT EXCEPT US CND R601 i DIGITAL SERVO OPTICAL PICK UP DIGITAL SIGNAL PROC re D A CONV C201 pee OPTICAL CD VC 227 DIGITAL pirrAL OUT Q lt 45V A DDN ig tty 5 2 L OUT GPRS 4 MAIN R CH SECTION MTR CNT2 eri ae Page 23 FOCUS COIL 0 0 T CH1FO BU UP DOWN SW 48 4 T 0 0 CH2RO CH2RI TRACKING COIL CH2F0 CH2FI CH3RO CH3 RI CH3F0 CHARO CHAINS M101 SPINDLE MOTOR i CH4FO e RCH is omitted e Signal Path E DIGITAL OUT 1701 m oj MOTOR 0 10711 TBL ADDRESS SENSOR 5701 OPEN CLOSE 5711 BU UP DOWN HCD BX7 DX7 DX7J MAIN SECTION J102 SPEAKER INPUT SELECT R CH TONE VOL 10101 5 40 IN2A VOL OUT 04 o TM801 SPEAKER 8 21 822 DELLE 0824825 RY801 PROTECT DETECTOR RELAY x DRIVE Q823 PROTECT PROTECT CONT SWITCH SECTION L CH Page A CD LOUT SECTION 2225 LEZA
85. ODE button Insert a test tape AMS 110A or AMS RO to Deck A Press the SPECTRUM button to enter the AMS test mode After a tape is rewound first the FF AMS 18 checked and the mechanism is shut off after detecting the AMS signal twice Then the REW AMS is checked and the mechanism is shut off after detecting the AMS signal twice When the check is complete a message of either OK or NG appears When you want to exit this mode press the button twice The cold reset is enforced at the same time 13 Aging Mode This mode can be used for operation check of CD section and tape deck section f an error occurred The aging operation stops and display status f no error occurs The aging operation continues repeatedly 1 Operating method of Aging Mode Turn on the main power and select CD of the function 1 Seta disc in DISCI tray Select ALL DISC CONTINUE and REPEAT OFF 2 Load the tapes recording use into the decks A and B respectively 3 Press three buttons ol ENTER and DISC SKIP EX CHANGE simultaneously 4 Aging operations of CD and tape are started at the same time 5 To exit the aging mode perform MC Cold Reset 3 Aging Mode in CD section 1 Display state No error occurs Display AGING J Note Number of aging operations Error display E xx O 1 22 OO 8 CD The error No 00 indicates the newest error As the error No increases it means the older error Whe
86. OJU sdojs WIOJIOJ p IHLLNH 55944 A00TO LAS Joofos Apojeodol 4444 IO Pp 55954 Z LAS 58944 SULMOJJOJ SI JaMod JJIUM JU S8UEYD OJ HO SI Jamod JJIUM JIS ol MOY no SMOUS uoneue dxo SNOIAOJd ou euin su oBueuo OJ dels WOJ 1940 110618 B 4 JI dil SUDJJOA 511018 yoofo ou IH LNH 5 9Jd G ojnuru 198 A p eod 4444 JO 55214 U vr Z 4 O ko O U gt lt RZ c O O 9 Le Instruction manual SOUSEJJ uoneorpur OUI IH LNH SSoJd c noy 9U Jos o A p eod 464 IO PP 55214 2 SOUSEJJ uoneorpur mou JUL LAS JHWIL IDO ID 58914 sosodind uoneansnqt posn SI opouu ui9js S 1noq pc JUL sjapour 19410 10 848 INOL ZJ 6 pue ueadomy IU 10 urojs s mou B UO SI oofo Sul suonoung ou SUISN 910J9q 198 JSNUI no X auul eu Bunl s 2 deis Jamod jy Snjdun 6 Kejdsip ur sreodde JDOT yem OS 1 88844 pue qO UMOP PIOH Z run JU SOSTP 164 armns eyeIN L UISTURYDOUI 90 044 SULMOJJOJ OG wojs s 510 6uIAJJeo USUM 98E RO Aeq 9 qISSOd Jo ponad 3uo e 10 elo
87. ORT SHORT SHORT SHORT SHORT lt COIL gt INDUCTOR INDUCTOR INDUCTOR INDUCTOR INDUCTOR INDUCTOR CHIP SHORT Remarks 0 0 AEP G UK CIS 0 US CND DX7 DX7J 0 AEP G UK CIS 0 BX7 0 0 0 BX7 0 EXCEPT AEP G UK CIS TH 0 EXCEPT AEP G UK CIS TH 0 EXCEPT BX7 TH DX7J 100uH 2 MH 220uH 220uH 2 MH 1uH AEP G UK CIS 0 US CND DX7 DX7J INDUCTOR CHIP 33uH AEP G UK CIS INDUCTOR CHIP 100uH AEP G UK CIS COIL AIR CORE AEP G UK CIS COIL AIR CORE AEP G UK CIS FILTER gt FILTER LOW PASS FILTER LOW PASS TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR 2501623 T1 L5L6 25K1133 T1B 2503624 1115116 2501623 11 1516 2501623 11 1516 25K1133 T1B 2503624 11115116 2501387 34 2502001TP LK 2502001TP LK FNIFAM TIM32 FA1AAM T1L33 25B1116 TP LK FA1AAM T1L33 25B1116 TP LK FATA4M T1L33 FA1AAM T1L33 2581068 FA1AAM T1L33 2501623 11 1516 FA1AAM T1L33 FN1FAM T1M32 FA1AAM T1L33 25C2715Y TE85L BN1A4M TP 2502412K T 146 QR 2502412K T 146 QR 2501623 11 1516 2501623 T1 L5L6 25 812 1 5 6 Ref No Q824 Q825 0828 0829 0861
88. P RES CHIP RES CHIP RES CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP RES CHIP METAL CHIP Remarks FA1A4M T1L33 2501623 11 L5L6 2501623 11 L5L6 2501623 11 L5L6 FN1F4M T1M32 2503624A 11L15L16 2503624 11115116 29B1116 TP LK 29C2603TP EF US CND DX7 DX7J 25 1375 FA1A4M T1L33 1K 5 1 10W 10K 5 1 10W 10K 5 1 10W 100K 5 1 10W BX7 DX7 220K 5 1 8W 100K 590 1 10W 10K 590 1 10W 680 590 1 10W 10K 590 1 10W 47K 590 1 10W 2 2K 590 1 10W 100K 590 1 10W 10K 590 1 10W 1K 590 1 10W 10K 590 1 8W DX7 DX7J 10K 5 1 10W DX7 DX7J 10K 5 1 10W DX7 DX7J 4 7K 5 1 10W DX7 DX7J 10K 5 1 10W 100 5 1 10W 100 5 1 10W 1K 5 1 10W 1K 5 1 10W 1 2K 5 1 10W 47K 5 1 10W 1K 5 1 10W 470 5 1 10W 470 5 1 10W 470 5 1 10W 1K 5 1 10W 10K 5 1 10W 10K 5 1 10W 100K 5 1 10W 220K 5 1 10W 100K 5 1 10W 10K 5 1 10W 680 5 1 10W 10K 5 1 8W 47K 590 1 10W 2 2K 590 1 10W 100K 590 1 10W 10K 590 1 10W Ref No R166 R171 R172 R173 R175 R201 R202 R203 R204 R301 R302 R303 R304 R305 R306 R307 R308 R309 R311 R312 R313 R315 R316 R317 R318 R319 R320 R321 R331 R332 R333 R334 R335 R336 R337 R338 R339 R340 R341 R342 R343 A R344 R345 R346 R347 R351 R352 R353 R354 R355 R356 R357 R358 R359 Part No 1
89. RE 105 A 4428 089 A TRANS BOARD COMPLETE BX7 US A 108 1 769 079 21 CORD POWER DX7 KR 105 A 4428 346 A TRANS BOARD COMPLETE A 108 1 777 071 21 CORD POWER BX7 G AEP CIS DX7 EA MY SP DX7 EA SP MY E2 AR E3 A108 1 782 315 11 CORD POWER DX7 E2 MX 105 A 4428 536 A TRANS BOARD COMPLETE DX7 AUS A108 1 783 820 11 CORD POWER BX7 CND US A108 1 783 941 11 CORD POWER DX7 AR 105 A 4428 537 A TRANS BOARD COMPLETE DX7 MX 105 A 4428 960 A TRANS BOARD COMPLETE BX7 AEP G UK CIS A108 1 790 226 11 CORD POWER BX7 UK 105 A 4473 173 A TRANS BOARD COMPLETE DX7 TH A108 1 791 901 11 CORD POWER DX7 TH 105 A 4473 195 A TRANS BOARD COMPLETE BX7 CND A109 1 569 007 11 ADAPTOR CONVERSION 2P DX7 E3 DX7J 105 A 4473 329 A TRANS BOARD COMPLETE DX7 KR A109 1 569 008 21 ADAPTOR CONVERSION DX7 EA SP MY A109 1 569 008 31 ADAPTOR CONVERSION DX7 EA MY SP 51 Ver 1 2 2001 08 8 4 TAPE MECHANISM DECK SECTION 1 TCM 230MWR11 Note Two different types of tape mechanism are used depending on models They maintain compatibility as an entire mechanism even though there are some different parts are used O1 o Ref No Part No Description Remarks Ref No Part No Description Remarks 151 3 016 574 01 SPRING HEAD TENSION 156 3 016 567 01 SPRING CASSETTE LEAF 152 X 3374 156 1 PINCH LEVER REV ASSY HP101 A 2004 778 A BASE A ASSY HEAD 153 X 3374 155 1 PINCH LEVER FWD ASSY HRPE101 A 2004 779 A BASE B ASSY HEAD 154
90. S CHIP RES CHIP METAL CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP METAL CHIP RES CHIP RES CHIP RES CHIP RES CHIP METAL CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP CARBON CARBON RES CHIP RES CHIP RES CHIP RES CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP Remarks 2 0 590 1 10W AEP G UK CIS 390 5 1 10W EXCEPT EA AEP G UK CIS 470 590 1 10W EA 1K 590 1 10W 100 590 1 10W 4 7K 590 1 10W 12K 590 1 10W 2 2K 590 1 10W 10K 590 1 10W 10K 590 1 10W 10K 590 1 10W 100K 590 1 10W 10K 590 1 10W 10K 590 1 10W 10K 590 1 8W 100 590 1 8W 3 3 590 1 10W 4 7K 590 1 10W 100 590 1 10W 4 7K 590 1 10W 4 7K 590 1 10W 4 7K 590 1 10W 100 590 1 10W 10K 590 1 10W 10K 590 1 8W 1K 590 1 10W 4 7K 590 1 10W 100 590 1 10W AEP G UK CIS 10K 5 1 10W AEP G UK CIS 100K 590 1 10W AEP G UK CIS 100K 5 1 10W AEP G UK CIS 5 6K 590 1 10W AEP G UK CIS 47 590 1 8W AEP G UK CIS 4 7K 590 1 10W AEP G UK CIS 4 7K 590 1 10W AEP G UK CIS 10 5 1 2W AEP G UK CIS 10 5 1 2W AEP G UK CIS 47K 590 1 10W US CND DX7 DX7J 47K 5 1 8W 56K 590 1 8W 10K 590 1 8W 10K 590 1 10W 4 7K 5 1 10W 33K 590 1 10W 22K 590 1 10W 22K 590 1 8W 5 6K 590 1 8W 22K 590 1 10W Ref No R842 R843 R844 R845 R851 R892 R854 R861 R862 R863 R864 R865 R866 R868 R869 R891 R891 R892 R893 R911 R912 R914 R966 RB641 R
91. Section mn 35 7 15 Printed Wiring Board Leaf SW Section 36 7 16 Schematic Diagram Leaf SW Section 37 7 17 Printed Wiring Board Driver Section mn 38 7 18 Schematic Diagram Driver Section e 39 7 19 Printed Wiring Board Trans Section 77 40 7 20 Schematic Diagram Trans Section BX7 model en ee A1 7 21 Printed Wiring Board Trans Section DX 7 DXJJI modeles 42 7 22 Schematic Diagram Trans Section 43 7 23 1 Pin Function Description 000c000009900000900009990009900009900999900999 44 7 24 Block Diagrams 0600090090900909900090900009090900099900009090900090909099099900099909099909999 46 8 EXPLODED VIEWS 8 1 Section EEE EEE 49 8 2 Panel Section eooeeooooooooooo 50 8 3 Main Board Section TT 51 8 4 Tape Mechanism Deck Section 1 32 8 5 Tape Mechanism Deck Section 2 0e00c000009900009900099090900999000909999 53 8 6 CD Mechanism Section oo 54 8 7 Base unit Section 55 MODEL PARTS No Abbreviation CND Canadian model KR Korea model AUS Australian model MX Mexican model German model AR model EA Saudi Arabia model E2 Central and MY Malaysia model South AMERICA SP Singapore model E3 M
92. T601 ubtil the voltage becomes 0 V Adjustment Location MAIN board Adjustment Location MAIN BOARD Component side FM TUNED LEVEL RV611 RV301 RV302 G RV352 G CN302 RV353 RV303 RV351 CN303 RV304 RV354 CD SECTION Note 1 CD Block is basically designed to operate without adjustment Therefore check each item in order given 2 Use YEDS 18 disc 3 702 101 01 unless otherwise indicated 3 Use an oscilloscope with more than 10MQ impedance 4 Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks S Curve Check Oscilloscope BD board NS TP FEO TP VC Procedure Connect oscilloscope to TP FEO Connect between TP FEI and TP VC by lead wire Connect between TP AGCCON and TP GND by lead wire Turn Power switch on Load a disc YEDS 18 and actuate the focus search In consequence of open and close the disc tray actuate the focus search 6 Confirm that the oscilloscope waveform S curve is symmetrical between A and B And confirm peak to peak level within 4 1 Vp p a S curve waveform symmetry A within 4 1Vp p B 7 After check remove the lead wire connected in step 2 and 3 Note Try to measure several times to make sure than the ratio of A B orB Ais more than 10 7 Take sweep time as long as possible and light up the brightness
93. TC HOLDER L ASSY DX7 E3 TC HOLDER R ASSY EXCEPT DX7 E3 TC HOLDER R ASSY DX7 E3 VOL KNOB CD SWITCH BOARD COMPLETE EXCEPT DX7 TH DX7J CD SWITCH BOARD COMPLETE DX7 TH CD SWITCH BOARD COMPLETE DX7J EMBLEM 4 A SONY DX7 TH DX7J EMBLEM 4 A SONY EXCEPT DX7 TH DX7J FR KNOB FRONT PANEL ASSY BX7 AEP CIS UK G FRONT PANEL ASSY BX7 US CND FRONT PANEL ASSY DX7 EA E3 FRONT PANEL ASSY DX7 SP MY E2 MX AR AUS KR BRACKET HEART CAM L SPRING PUSH COMPRESSION COIL DAMPER DX7 TH DAMPER DX7J Ref No 60 66 67 68 69 70 71 FL601 Part No 4 224 104 21 4 224 560 01 4 224 559 01 4 224 561 01 4 225 053 01 4 224 584 01 4 224 584 11 A 4428 075 A A 4428 338 A 4428 342 4428 907 4473 047 4 951 620 01 4 224 578 01 4 224 578 11 4 225 052 01 4 225 252 01 4 225 054 01 1 517 928 11 Tape mechanism deck Description Remarks DAMPER EXCEPT DX7 TH DX7J CAM L HEART CAM R HEART BRACKET HEART CAM R SPRING R HOLDER FL DX7 TH DX7J HOLDER FL EXCEPT DX7 TH DX7J PANEL BOARD COMPLETE BX7 PANEL BOARD COMPLETE DX7 EA PANEL BOARD COMPLETE DX7 SP MV E2 MX AR AUS E3 KR PANEL BOARD COMPLETE DX7 TH PANEL BOARD COMPLETE DX7J SCREW 2 6X8 BVTP KNOB MIC DX7 TH DX7J KNOB MIC EXCEPT DX7 TH DX7J SPRING L CUSHION FOOT SPRING FR INDICATOR TUBE FLUORESCENT 8 3 MAIN BOARD SECTION not supplied 107 104
94. TCH gt DX7 DX7J R524 1 215 872 11 METAL OXIDE 3 3K 5 1W 711 1 771 821 11 SWITCH PUSH 1 KEY UP DOWN 541 1 249 441 11 CARBON 100K 590 1 4W DX7 DX7J A 4428 301 A SUB TRANS BOARD COMPLETE R541 1 249 437 11 CARBON 47K 590 1 4W AEP G UK CIS 542 1 249 441 11 CARBON 100K 590 1 4W DX7 DX7J A 4428 959 A SUB TRANS BOARD COMPLETE CND KKK K K K K K K K K K K K K K K K K K K K K K K K K K K R551 1 249 417 11 CARBON 1K 5 1 4W F R552 1 249 438 11 CARBON 56K 5 1 4W A 4473 194 A SUB TRANS BOARD COMPLETE US R553 1 249 411 11 CARBON 390 5 1 4W KK zk K zk zk K K K K K K K K ok K K ok K K K K K K DX7 DX7J R553 1 249 414 11 CARBON 560 5 1 4W F BX7 lt CAPACITOR gt R554 1 249 438 11 CARBON 56K 5 1 4W A C971 1 113 925 11 CERAMIC 0 01uF 20 00 250V R555 1 249 417 11 CARBON 1K 5 1 4W F US R556 1 249 431 11 CARBON 15K 5 1 4W C973 1 126 933 11 ELECT 100uF 20 00 16V R557 1 249 441 11 CARBON 100K 590 1 4W BX7 R558 1 220 891 11 METAL 0 1 10 5W C975 1 126 768 11 ELECT 2200uF 20 00 16V DX7 DX7J BX7 R558 1 21 156 00 METAL 0 22 20 C976 1 164 159 21 CERAMIC 0 1uF 90V BX7 BX7 C977 1 164 159 21 CERAMIC 0 1uF 90V BX7 R559 1 260 076 11 CARBON 10 5 1 2W C978 1 164 159 21 CERAMIC 0 1uF 90V BX7 R560 1 220 891 11 METAL 0 1 10 5W DX7 DX7J lt CONNECTOR gt R560 1 21 156 00 METAL 0 22 20 BX7 CN974 1 564 321 00 PIN CONNECTOR 2P BX7 A R561 1 212 881 11 FUSIBLE 100 5 1 4W CN976 1 506 468 11 PIN CONNECTOR
95. V DX7 DX7J 5 00 20 00 20 00 50V 20 00 20 00 20 00 10 20 00 20 00 20 00 20 00 5 00 5 00 5 00 10 10 5 20 00 5 00 5 00 20 00 20 00 50V 50V 10V 50V 25V 25V 50V 10V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V DX7 DX7J 20 00 50V DX7 DX7J 20 00 50V DX7 DX7J 20 00 20 00 50V 20 00 50V 20 00 20 00 5 20 00 20 00 5 5 00 20 00 20 00 20 00 25V 10V 6 3V 50V 50V 6 3V 50V 10V 50V 50V 50V 50V 50V 50V Ref No C308 C309 C310 C311 C312 C313 C314 C315 C316 C317 C318 C319 C320 C321 C322 C323 C324 C325 C326 C327 C328 C329 C330 C331 C332 C333 C334 C335 C336 C337 C338 C339 C340 C341 C342 C351 C352 C353 C355 C356 C357 C358 C359 C360 C362 C363 C368 C369 C370 C371 C372 C373 C374 C375 C376 C377 C378 C379 C380 C381 Part No 1 126 964 11 1 137 194 81 1 163 005 11 1 126 964 11 1 126 959 11 1 163 009 11 1 126 964 11 1 126 963 11 1 126 933 11 1 104 665 11 1 126 964 11 1 126 961 11 1 126 961 11 1 163 131 00 1 163 117 00 1 136 157 00 1 126 964 11 1 126 965 11 1 163 131 00 1 104 665 11 1 163 117 00 1 130 483 00 1 126 964 11 1 126 965 11 1 137 427 11 1 163 003 11 1 163 103 00 1 137 393 11 1 126 961 11 1 136 155 00 1 130 481 00 1 130 481 00 1 136 156 00 1 126 960 11 1 104
96. V 602 DX7 DX7J DIODE 155133 77 DIODE 155133 77 DIODE MTZJ T 77 39D DIODE MTZJ T 72 12B lt TERMINAL gt TERMINAL EARTH DX7 DX7J TERMINAL EARTH BX7 10 IC STK412 150 DX7 DX7J IC STK402 120 BX7 Remarks lt TRANSISTOR gt TRANSISTOR 2501841 TRANSISTOR 2SA988TP PAFAEA TRANSISTOR 2501841 TRANSISTOR 2501841 DX7 DX7J TRANSISTOR 2SC2785TP FEK DX7 DX7J TRANSISTOR 2501841 TRANSISTOR 2501841 TRANSISTOR 25 1932 TP TRANSISTOR 29A1175TP HFE DX7 DX7J lt RESISTOR gt CARBON 1K 590 1 4W EF CARBON 56 5 1 4W CARBON 390 5 1 4W DX7 DX7J CARBON 560 5 1 4W F BX7 CARBON 56K 5 1 4W CARBON 1K 5 1 4W F CARBON 15K 5 1 4W CARBON 100K 5 1 4W METAL 0 1 10 5W METAL 0 22 20 5W BX7 CARBON 10 5 1 2W METAL 0 1 10 5W DX7 DX7J METAL 0 22 20 5W BX7 FUSIBLE 100 5 1 4W FUSIBLE 1 590 1 4W CARBON 33K 5 1 4W CARBON 2 2K 5 1 4W F CARBON 22K 5 1 4W CARBON 10K 5 1 4W CARBON 2 2K 5 1 4W F CARBON 33K 5 1 4W CARBON 68K 5 1 4W METAL OXIDE 3 3K 5 1W DX7 DX7J CARBON 100K 5 1 4W DX7 DX7J CARBON 100K 5 1 4W DX7 DX7J pour la s curit Les composants identifi s par une marque sont critiques Ne les remplacer que par une pi ce portant le num ro sp cifi Ref No Part No Description Remarks Ref No Part No Description Remarks R523 1 249 441 11 CARBON 100K 590 1 4W lt SWI
97. V301 RV302 RV303 RV304 RV351 RV352 RV353 RV354 RV611 RY801 RY801 T301 T601 T602 TM601 TM601 TM801 Part No 1 216 081 00 1 216 214 00 1 216 097 91 1 216 121 91 1 260 304 51 1 260 304 51 1 216 089 91 1 216 049 91 1 216 073 00 1 216 089 91 1 216 049 91 1 216 049 91 1 216 019 00 1 215 891 11 1 215 891 11 1 216 222 00 1 216 073 00 1 216 065 91 1 216 057 00 1 216 059 00 1 216 206 00 1 216 206 00 1 216 019 00 1 234 457 11 1 241 764 11 1 241 762 11 1 241 762 11 1 241 768 11 1 241 764 11 1 241 762 11 1 241 762 11 1 241 768 11 1 238 601 11 1 755 372 11 1 55 373 11 1 423 980 11 1 435 195 11 1 234 477 11 1 694 555 11 1 694 556 21 1 694 635 11 Description Remarks METAL CHIP 22K 590 1 10W RES CHIP 4 7K 5 1 8W RES CHIP 100K 5 1 10W RES CHIP 1M 5 1 10W CARBON 10 5 1 2W AEP G UK CIS CARBON 10 5 1 2W AEP G UK CIS RES CHIP 47K 5 1 10W US CND DX7 DX7J RES CHIP 1K 5 1 10W METAL CHIP 10K 5 1 10W RES CHIP 47K 5 1 10W RES CHIP 1K 5 1 10W RES CHIP 1K 5 1 10W METAL CHIP 56 5 1 10W METAL OXIDE 680 590 2W METAL OXIDE 680 5 2W RES CHIP 10K 590 1 8W DX7 DX7J METAL CHIP 10K 5 1 10W US CND RES CHIP 4 7K 5 1 10W US CND DX7 DX7J METAL CHIP 2 2K 5 1 10W US CND DX7 DX7J METAL CHIP 2 1K 5 1 10W RES CHIP 2 2K 5 1 8W RES CHIP 2 2K 5 1 8W METAL CHIP 56 5 110W lt COMPOSITION CIRCUIT BLOCK gt ENCAPSULATED COMPONENT lt VARIABLE RESISTOR
98. VOLUME oco s oto 7 E 738 R625 gt SE 8 ne JW141 C411 CWS 2215 5 0625 PA C 15 222 m O 0O OE nz T M 5620 ea UV S 5618 S 5419 nj to R662 C739 e C610 m 50 o o8 eMe gt gt Z JE o B614_ 8742 C614 Vm Cp gt DES 0625 PO e 722 O BINS Sa O Ed E 9 e e 40 O Oi sj R705 z 0721 226 5615 8617 JW723 O OY OE V GROOVE e 4028 g 24722 C745 3 2B 622 Bh bra 7 5 2 in o gt R722 e T 2 S516 8615 RS RESS T RZ47 S e S ji AS STA HI BUB TAT 3 2 9 A PHONE tLP707 8617 R657 5614 5 5 L s A 4 AREA CLP709 O O MWG 744 48162 d ETE PS 215 4631 721 722 34 34 1 676 189 HCD BX7 DX7 DX7J 18 17 16 15 14 13 12 11 10 PANEL BOARD 131 34145 N n N 86941 4 zn Sha FL601 FLUORESCENT INBICATOR TUBE 82941 1122 81941 333333 ji 0602 LLL 17121 1 L L 1271271271 1271 1 LN x O O O O O q Od O 4 8 A Page 29 Lu m Z 0 gt oa lt m O m 2 JG Z Z Qa m lt lt O z Z 2 t 56 lt
99. W223 JW222 JW178 ul o JW195 lt w w JW617 SE BS LPE602 O O OO O O O O O 0 0000 0 6 2 000000000000 TITI TIM Ti NIN OO CO Cn JR52 SE egg ABD 8 JW206 5 e a E HS BE Jw196 iffe JW174 HE 464 5 Z R494 in ES C158 JW616 9 0614 G 7 JW173 e NI76 HP gr 2 S 4 p NE T 2 2 80 81 1668 Rvert FM 758 G 7 Monet Ris WW gui o DX7 DX7J MODEL Ew 9 ET ER BE lo Ae C615_C617g _ EUR G 7 Y 54 Fl Ea 3 JW619 613 000000000000 JW168 BH 2 TER n 2 622 16 in z G 7 in Ma t 8469 12 159 JR53 JW143 B R2025 el lt JW620 I G 5 SZR a 5 5 as Riss JW166 EI MEE 9 95 ewe 8 5 36 7 MIU fi Sx DS monte EZ 0635 BE El zi E JW167 JR45 C144 L Wiio JW618 e int E 5 EUM T S D 1576 1 Be Mel o z tH E 5 cej ta zj 0402 x R i4 8615 e gt N e sd NI 5 598142 DOS Hg rw JW234 C118 25 D b dLa e e ewe Y MIEXI HEC142 SS JW300 SN NT E FA C155 C154 55 5 2 8 E L n E a C582 JW108 HE HE C159 JW124 EXCEPT AEP UK G CIS C161 HH 5 6 4 JW622 JW623 Lt
100. Z 2 2 2 lt 2 212 2 2 le E e e e e e e e e c c c c c c un un un un un un un un R e e e e sels A A Pin No 44 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 N C N C N C N C N C N C A TRIG B TRIG CAPM H L CAPM CONT N C VC aO lt Un Un A A Q0 A A HALF A PLAY B PLAY AMS IN TC MUTE R PB PAS NR ON OFF REC MUTE BAIS EQ H N PB A B gt TC RELAY STBY RELAY PROTECT DBFB ON OFF LINE MUTE CD POWER F SHIFT RELAY H POWER A SHUT B SHUT SOFT TEST B HALF KEY CD ADJ MODEL IN AVSS SPEC IN VREF AVCC STK MUTE OJO Io eH e i mv PO e E IE re Ie O Description Not used Not used Not used Not used Not used Not used A deck trigger control signal output HON L OFF B deck trigger control signal output HON L OFF Capstan motor High Low speed control signal output Capstan motor REV FWD STOP control signal output H REV L FWD STOP Not used POWER SUPPLY 45V Not used Ground Not used Not used A deck half detect signal input A deck play detect signal input B deck play detect signal input AMS signal input L ON H OFF Tape deck line mute ON OFF signal output HON L OFF REC PB PASS select signal input DOLBY NR ON OFF signal output HON
101. ack the signal recorded in step 3 become adjustable level as follows If these levels do not adjustable level adjustment the RV301 L CH and RV351 R CH on the MAIN board to repeat steps 4 and 5 Adjustable level CN301 PB level 47 2 to 53 0 mV 224 3 to 23 3 dB Adjustment Location MAIN board MAIN BOARD Component Side REC LEVEL L RV61 1 B PB LEVEL L A CN304 CN301 er RV302 PB LEVEL R CN302 B RV353 RV351 RV303 REC LEVEL R pBLEVEL L 000 3 B REC LEVEL L A REC LEVEL R lt RV354 A LEAF SW BOARD Component Side TAPE SPEED NORMAL HIGH RV1002 RV1001 CN1001 FM Tuned Level Adjustment FM RF SSG 75 Q coaxial Carrier frequency 98 MHz Modulation AUDIO 1 kHz 75 kHz FM ANTENNA terminal deviation 100 TM601 Output level 28 dB at 75 W open Procedure 1 Supply a 28 dB 98 MHz signal from the ANTENNA terminal 2 Tune the set to 98 MHz 3 Adjust RV611 to the point moment when the TUNED indicator will change from going off to going on Adjustment Location MAIN board Null Adjustment FM RF SSG 75 Q coaxial Carrier frequency 98 MHz Modulation AUDIO 1 kHz 75 kHz FM ANTENNA terminal deviation 100 TM601 Output level 160 at 75 W open Procedure 1 Supply a60 dB 98 MHz signal from the ANTENNA terminal 2 Tune the set to 98 MHz 3 Measure voltage between pin 21 of IC 601 Adjust
102. ak Screw Screw position L CH R CH position peak peak 3 Mode Playback test tape P 4 A100 10 kHz 10 oscilloscope waveform of oscilloscope 2000 CJ in phase 45 90 135 180 good wrong 4 After the adjustments apply suitable locking compound to the pats adjusted Adjustment Location Playback Head Deck A Record Playback Erase Head Deck B reverse Tape Speed Adjustment DECK B Note Start the Tape Speed adjustment as below after setting to the test mode In the test mode the tape speed is high during pressing the CD SYNC HI DUB button Procedure Turn the power switch on 2 Press the Bl button button and button simultaneously The TEST MODE on the fluorescent indicator tube display while in the test mode To exit from the test mode press the button Mode Playback test tape WS 48B 3 kHz 0 dB frequency counter set main board CN301 Pin L CH Pin R CH 1 Insert the WS 48B into the deck B 2 Press the button on the deck B 3 Press the button in playback mode Then at HIGH speed mode 4 Adjust 1001 on the LEAF SW board do that frequency counter reads 6 000 30 Hz 5 Press the button Then back to NORMAL speed mode 6 Adjust RV1002 on the LEAF SW board so that frequency counter reads 3 000 15 Hz Adjustment Location LEAF SW board Playback level Adjustment Proc
103. around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering MODEL IDENTIFICATION BACK PANEL PARTS No Ver 1 2 2001 08 TABLE OF CONTENTS 1 SERVICE NOTE 4 2 GENERALE ea E 3 DISASSEMBLY serre 7 4 TEST MODE nn 12 5 MECHANICAL ADJUSTMENTS 16 6 ELECTRICAL ADJUSTMENTS 16 7 DIAGRAMS Te Circuit Board Location ne 21 7 2 Block Diagrams 000000009090900090000990900999000009000099900099000009090099990099999 22 7 3 Printed Wiring Board BD Section oo 24 7 4 Schematic Diagram BD Section 23 7 5 Printed Wiring Board Main Section 9 26 7 6 Schematic Diagram Main 1 3 Section 27 7 7 Schematic Diagram Main 2 3 Section 28 7 8 Schematic Diagram Main 3 3 Section e 20 7 9 Printed Wiring Board Power AMP Section BX 30 7 10 Schematic Diagram Power AMP Section BX model peer a nee ee 31 7 11 Printed Wiring Board Power AMP Section DX7 DXI model rem re 32 7 12 Schematic Diagram Power AMP Section DRX7 DXI model ess 34 7 13 Printed Wiring Board Panel 34 7 14 Schematic Diagram Panel
104. back recorded portion CN301 Pin L CH Pin 0 R CH 6 Confirm playback the signal recorded in step 3 become adjustable level as follows If these levels do not adjustable level adjustment the RV304 L CH and RV354 R CH on the AUDIO board to repeat steps 4 and 5 Adjustable level Playback output of 315 Hz to playback output of 10 KHz 1 0 dB Adjustment Location MAIN board REC Level Adjustment DECK B Procedure INTRODUCTION When set to the test mode performed in Tape Speed Adjustment when the tape is rewound after recording the REC memory mode which rewinds only the recorded portion and playback is set This REC memory mode is convenient for performing this adjustment During recording the input signal FUNCTION will automatically switch to VIDEO If do not operation of stopped from recording complete and rotate of shuttle knob then rewind to recording start position 1 Press MD VIDEO button to select VIDEO This step is not necessary if the above test mode has already been set 2 Insert a tape into deck B 3 After press REC PAUSE START button press REC PAUSE START button then recording start 18 4 Mode Record MD VIDEO AUDIO IN 315 Hz 50 mV 23 8 dB T blank tape 600 CS 123 attenuator OOO i 0 0 O 5 Mode Playback recorded portion level meter DER CN301 Pin 3 1 Pin R CH 6 Confirm playb
105. ean standardized parts so they may have some difference from the original one Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items CAPACITORS uF UF RESISTORS All resistors are in ohms METAL metal film resistor METAL OXIDE Metal Oxide film resistor F nonflammable SECTION 9 ELECTRICAL PARTS LIST Ref No Part No Description A 4724 934 A BD BOARD COMPLETE K K K K K K K K K K K lt CAPACITOR gt C101 1 163 005 11 CERAMIC CHIP 470PF C102 1 164 004 11 CERAMIC CHIP 0 1uF C103 1 163 005 11 CERAMIC CHIP 470PF C104 1 163 009 11 CERAMIC CHIP 0 001 C108 1 164 004 11 CERAMIC CHIP C109 1 163 011 11 CERAMIC CHIP 0 0015 C110 1 164 182 11 CERAMIC CHIP 0 0033 C111 1 163 251 11 CERAMIC CHIP 100PF C112 1 107 682 11 CERAMIC CHIP 14 C114 1 163 038 91 CERAMIC CHIP 0 1uF C115 1 104 665 11 ELECT 100uF C116 1 104 665 11 ELECT 100uF C117 1 104 665 11 ELECT 100uF C118 1 163 009 11 CERAMIC CHIP 0 001uF C119 1 163 235 11 CERAMIC CHIP 22PF C121 1 163 038 91 CERAMIC CHIP 0122 1 104 665 11 100uF C123 1 163 021 91 CERAMIC CHIP 0 01uF C124 1 107 823 11 CERAMIC CHIP 0 47uF 0125 1 163 038 91 CERAMIC CHIP C126 1 163 038 91 CERAMIC CHIP 0 1uF C127 1 104 665 11 ELECT 100uF C129 1 163 031 11 CERAMIC CHIP 0 01uF C130 1 164 346 11 CERAMIC CHIP 1uF C131 1 126 964 11 ELECT 10uF C133 1 164 346 11 CERAMIC CHIP
106. edure Mode Playback test tape P 4 L300 315 Hz 0 aB level meter 7 Pr main board CN301 Pin L CH Pin R CH Deck A is RV302 L CH and RV352 R CH Deck B is RV303 L CH and RV353 R CH so that adjustment within adjustment level as follows Adjustment Level CN301 PB level 301 5 to 338 3 mV 8 2 to 7 2 dB level difference between the channels within 0 5 dB Adjustment Location MAIN board sample Volue of Wow and Flutter 0 3 or less W RMS WS 48B 17 REC Bias Adjustment DECK B Procedure INTRODUCTION When set to the test mode performed in Tape Speed Adjustment when the tape is rewound after recording the REC memory mode which rewinds only the recorded portion and playback is set This REC memory mode is convenient for performing this adjustment During recording the input signal FUNCTION will automatically switch to VIDEO If do not operation of stopped from recording complete and rotette of shuttle knob then rewind to recording start position 1 Press MD VIDEO button to select VIDEO This step is not necessary if the above test mode has already been set 2 Insert a tape into deck B 3 After press REC PAUSE START button press REC PAUSE START button then recording start 4 Mode Record MD VIDEO AUDIO IN 1 315 Hz 2 2 10 kHz 50 mV 23 8 dB AF OSC blank tape 600 Q CN 123 attenuator oe II OO0OI 5 Mode Play
107. following sequence 1 Rewind is executed up to the top of tape A and B 2 A tape on FWD side is played for 2 minutes 3 FF is executed up to either made for 20 second or the end of tape 4 A tape is reversed and the tape on REV side is played for 2 minutes 5 Rewind is executed up to the top of tape 6 Returns to step 2 and repeat steps from 2 to 5 Function Change Mode elect either VIDEO or MD of the external FUNCTION input Procedure Turnon the power 2 Press the two buttons and at the same time The main power is turned on and the other function of the previous function is selected and displayed MD or VIDEO 15 SECTION 5 MECHANICAL ADJUSTMENTS Precaution 1 Clean the following parts with a denatured alcohol moistened swab record playback heads pinch rollers erase head rubber belts capstan idlers 2 Demagnetize the record playback head with a head demagnetizer 3 Do not use a magnetized screwdriver for the adjustments 4 After the adjustments apply suitable locking compound to the parts adjusted 5 The adjustments should be performed with the rated power supply voltage unless otherwise noted Torque Measurement Made Torquemeter Mewermadng 0 3 00N mto6 96N m FWD CQ 102C 311071 g cm 0 43 0 98 oz inch 0 19 N m to 0 58 N m CQ 102C 2 to 6 g cm 0 02 0 08 oz inch 3 00N mto6 96N m CQ 102RC 3 to 71 g cm 0 19 N m to 0 58 N
108. ical Pick up Block with 7 mm aperture 2 Hz 20 kHz x0 5 dB 780 790 nm More than 90 dB More than 90 dB Laser output Frequency response Wavelength Signal to noise ratio I ts npu Dynamic range MD VIDEO AUDIO IN voltage 450 mV 250 mV 20 iack i d 47 kilol CD OPTICAL DIGITAL OUT Ro gt 60 Me id EU mV Square optical connector jack rear panel AA ki phone jack impedance 10 kilohms Wavelength 660 nm Amplifier section Outputs Output Level 18 dBm Canadian model did B ids headphones of8 Tape player section i stereo mini ohms or more Continuous RMS power ER iia ae FRONT SPEAKER accepts impedance of 6 to Recording system 4 track 2 channel steret 6 IB 16 ohms Frequency response 40 13 000 Hz x3 dB ie THD SURROUND SPEAKER accepts impedance of DOLBY NR OFF using Sony TYPE I i cassette Total harmonic distortion less than 0 0796 6 ohms at 1 kHz 60 W AEP UK G CIS model CD player section 16 ohms Tuner section FM stereo FM AM superheterodyne tuner DIN power output rated 80 80 watts System Compact disc and digital 6 ohms at 1 kHz DIN audio system FM tuner section Laser Semiconductor laser 87 5 108 0 MHz FM lead antenna 75 ohm unbalanced 10 7 MHz Continuous RMS power output reference 100 100 watts 6 ohms at 1 kHz 1096 THD Music power output reference 170 170 watts 6 ohms at 1 kHz 1096 THD Tuning range Anten
109. iddle and Near East TH Thai model SECTION 1 SERVICE NOTE Note for installing the panel board Panel board Hot melt 2 Screw hole Q Cut the eleven melted connection points with a cutting plier Attach the panel board with six screws BVTP 2 6x 8 after the board is removed once Do not tighten the screws excessively lal e 5 5 S le HI le lo IN HI DISC SKIP EX CHANGE button DISC 1 button and indicator DISC 2 button and indicator DISC 3 button and indicator OPEN CLOSE button EDIT TUNER MOMERY button PLAY MODE STEREO MONO button REPEAT DOLBY NR button DIRECTION knob EXCEPT AEP G UK CIS DIRECTION PTY knob AEP G UK CIS model SURROUND button VOLUME knob PHONES jack ENTER button REC PAUSE START button and indicator CD SYNC HI DUB button LOOP button BX7 model LOOP KARAOKE PON button DX7 DX7J model SECTION 2 GENERAL Photo HCD BX7 MIC jack DX7 DX7J model MIC LEVEL knob DX7 DX7J model V GROOVE button and indicator CURSOL button and indicator GROOVE button EQ EDIT button SPECTRUM button DISPLAY button I C button and indicator TUNER BAND button MD VIDEO button gt button P button 11 button 9 button button TAPE A B button CD button Function indicator S1n290 OINITEJ IOMOd JI 10 p1oo 19MOd joeuuoosrp noA UdYM po ooueo 316 SSUNIOS xoo au aloN Aoqe USN
110. ing sequence 1 The disc tray opens and closes 2 The mechanism accesses DISC 2 and makes an attempt to read TOC However since there are no discs a message CD2 NO DISC appears 3 The mechanism accesses DISC 3 and a message CD3 NO DISC appears 4 The disc tray turns to select a discl 5 disc is chucked 6 TOC of disc 18 read 7 The pickup accesses to the track I and playing 2 seconds 8 The pickup accesses to the last track and playing 2 seconds 9 Every time when an aging operation of step 1 to step 8 is complete the display AGING X value increases as the number of aging operations is counted up 10 Returns to step 1 3 Aging Mode in Tape Deck section 1 Display state No error occurs Display action now Error occurred Display action last time Display action Action contents Final timing TAPE A AG 1 Rewind the TAPE A B The top of tape TAPE A AG 2 FWD play the TAPEA 2 minutes playing 3 TAPEA 3 FF the TAPE A 20 second FF or the end of tape TAPE A AG 4 REV play the TAPEA 2 minutes playing TAPE A AG 5 Rewind the TAPEA The top of tape EB TAPE B AG 2 FWD play the TAPE B 2 minutes playing 7 TAPE B AG 3 FF the TAPE B 20 second FF or the end of tape E TAPE B AG 4 REV play the TAPE B 2 minutes playing 9 TAPE B AG 5 Rewind the TAPE B The top of tape 2 Operation during aging mode In the aging mode the program is executed in the
111. isplays VOLO Each time a button is pressed KEY value increases However once a button is pressed it is no longer taken into account VOL value increases like 1 2 3 if rotating knob in direction or it decreases like 0 9 8 if rotating in direction 8 Also when DISC 3 is pressed after lighting of all LEDs and FL tubes value of VACS appears 9 To exit from this mode press three buttons in the same manner as step 1 or disconnect the power cord MC Test Mode This mode is used to check operations of the respective sections of Amplifier Tuner CD and Tape Procedure 1 2 10 11 12 13 14 15 16 17 18 19 Press the button to turn on the set Press the three buttons of I and simultaneously A message TEST MODE appears on the FL display tube When CURSOR button is pressed increases to its maximum and a message GEQ ALL MA appears When V CURSOR DOWN button is pressed decreases to its minimum and a message GEQ ALL MI appears When or button is pressed GEQ is set to flat and a message GEQ FLAT appears When the VOLUME control knob is turned clockwise even slightly the sound volume increases to its maximum and a message VOLUME appears for two seconds then the display returns to the original display When the VOLUME control knob is turned counter clockwise even sligh
112. ith mark une marque sont critiques ad UNS d TE are critical for safety pour la s curit ES M e MS Ey de Replace only with part number Ne les remplacer que par une 2 2 R 09 specified pi ce portant le num ro sp cifi 09 TO TO MAIN BOARD 2 2 MAIN BOARD 2 2 Page 29 Page 29 31 31 HCD BX7 DX7 DX7J 7 11 PRINTED WIRING BOARD POWER AMP SECTION DX7 DX7J MODEL e See page 21 for Circuit Boards Location je na POWER AMP BOARD WARE Page 26 Page 26 13 1 13 Il ee O OB CN503 O CN502 O C558 cM B 8502 R559 28227 8479 JW520 2 o NA ao R980 9 9 557 A 21 x in Oo gt o Oo 1 7 eges reme E oe a 8941 re 4 B C942 10598 C508 m hg P JW521 t 74 e Je 81 R942 140 JW100 R941 JW510 2 JW522 I T OI gt O O O E R943 JW561 JW565 NY l V O OI B m O R591 R544 D 5 R PO s O LO gt z g lt SE O O SUR za 5 in O JW550 9 C501 o C551 JW549 0501 C591 C541 NI JWH501 JW545 O22 R518 0504 TO JW548 JW546 vv TAL Him 9 O TRANS BOARD R503 O Page 42 41525 g 6555 O R504
113. leakage NOTES ON HANDLING THE OPTICAL PICK UP BLOCK OR BASE UNIT The laser diode in the optical pick up block may suffer electrostatic break down because of the potential difference generated by the charged electrostatic load etc on clothing and the human body During repair pay attention to electrostatic break down and also use the procedure in the printed matter which is included in the repair parts The flexible board is easily damaged and should be handled with care NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pick up block Therefore when checking the laser diode emission Observe from more than 30 cm away from the objective lens Laser component in this product is capable of emitting radiation exceeding the limit for Class 1 CLASS 1 LASER PRODUCT LUOKAN 1 LASERLAITE KLASS 1 LASERAPPARAT This appliance is classified as a CLASS 1 LASER product The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be damaged by heat Flexible Circuit Board Repairing Keep the temperature of soldering iron
114. mplacer que par une Q Replace only with part pi ce portant le num ro O O number specified sp cifi BCE na 1 These are omitted B Line PANEL Board e adjustment for repair Voltages and waveforms are dc with respect to ground under no signal detuned conditions Voltages are taken with a VOM Input impedance 10 MQ MAIN Board Voltage variations may be noted due to normal produc 2 tion tolerances LEAF SW Board e Waveforms are taken with a oscilloscope 7 Voltage variations may be noted due to normal produc N NN tion tolerances Circled numbers refer to waveforms Qad Signal path POWER AMP Board ed p HEAD A Board gt gt PB DECK L5 PB DECK B HEAD B Board REC DECK B E CD EZ digital out e WAVEFORMS Abbreviation CND Canadian model AUS Australian model BD BOARD MAIN BOARD G German model EA Saudi Arabia model 1 IC101 8 IC101 1 IC401 09 3 T301 MY Malaysia model CD PLAY MODE CD PLAY MODE STOP MODE TAPE B REC MODE SP Singapore model Thai model KR Korea model MX Mexican model approx 200mVp p Argentina model 32 768kHz E2 Central and South AMERICA Middle and Near East 4 ic101 2 ic4o1 CD PLAY MODE STOP MODE MAN Me nn nn a d approx 170mVp p AMAN V WW Y AW OOOO OK 400nsec div 1 2Vp p 16
115. n you want to retrieve the error history press the PLAY button in the case of mechanism error Or press the REPEAT button in the case of NO DISC error M Mechanism error D No disc error 01 FOCUS ERROR 02 GFS ERROR 03 SETUP ERROR 01 NO DISC judgment without chucking retry 02 NO DISC judgment after chucking retry 3 HH Don t care 4 High order digits only D Stopped during closing due to problems other than mechanism E Stopped during opening due to problems other than mechanism C Stopped during chucking due to problems other than mechanism F Stopped during EX opening due to problems other than mechanism 5 x Emergency related errors High order digits only Stopped during chuck up Stopped during chuck down Time out by EX OPEN Time out by EX CLOSE Status at the time of NO DISC judgment High order digits only 1 STOP SETUP TOC READ ACCESS PLAY BACK PAUSE MANUAL SEARCH PLAY MANUAL SEARCH PAUSE When the buttons E ENTER and DISC 1 are pressed simultaneously number of time of the mechanism error and the NO DISC error can be checked Display Number of times of error Maximum three times EMC Mechanism error EDC NO DISC error When aging operation is complete be sure to perform the MC Cold Reset to reset the error history 14 2 Operation during aging mode In the aging mode the program is executed in the follow
116. na Antenna terminals Intermediate frequency A 780nm Emission duration continuous Continued on next page COMPACT DISC DECK RECEIVER 9 929 079 15 Sony Corporation 2003L02 1 Home Audio Company 2003 12 Published by Sony Engineering Corporaton AM tuner section Tuning range US Canadian models 530 1 710 kHz with the interval set at 10 kHz 531 1 710 kHz with the interval set at 9 kHz AEP UK G CIS EA E3 DX7J models Other models Antenna Antenna terminals Intermediate frequency General Power requirements US Canadian models AEP UK G CIS models Australian models Mexican models Thailand models Other models Power consumption US model Canadian model AEP UK G CIS models Other models Dimensions w h d Mass HCD DX7 HCD BX7 Supplied accessories 531 1 602 kHz with the interval set at 9 kHz 531 1 602 kHz with the interval set at 9 kHz 530 1 710 kHz with the interval set at 10 kHz AM loop antenna External antenna terminal 450 kHz 120 V AC 60 Hz 230 V AC 50 60 Hz 230 240 V AC 50 60 Hz 120 V AC 50 60 Hz 220 V AC 50 60 Hz 120 V 220 V or 230 240 V AC 50 60 Hz Adjustable with voltage selector 220 watts 280 VA 195 watts 250 watts Approx 280 x 360 x 425 mm 11x 147 16 x 1611 16 in Approx 9 5 kg 21 lb Approx 8 6 kg 19 Ib AM loop antenna 1 Remote commander 1 Batteries
117. ow Front panel side 3 3 FRONT PANEL SECTION Q Connector CN201 LS Connector CN601 Flat type wire CN304 Connector CN1 K 9 Connector CN202 Connector CN2 Front panel section 2 WA Three screws BVTT 3x 6 3 4 TAPE MECHANISM DECK Bracket Heart cam L OScrew BVTP 2 6 x 8 Five screws BVTP 2 6 x 8 P BVTP 2 6 x 8 Bracket Heart cam R 9 Tape mechanism deck 3 5 PANEL BOARD Two screws BVTP 2 6 x 8 E Two bosses amp four pins QFR knob Bracket FR Q Knob Volume 3 6 SUB TRANS BOARD AND TRANS BOARD Connector CN974 Q Connector CN975 Connector CN975 Trans board Connector CN977 Two screws BVTT 4 x 8 Q Three claws E Q Two screws Ns VTP 2 6 x 8 Q KA 2 QCD Switch board VCD Switch board N Q D Panel board BY Q A EN Five claws Cut the eleven melted connection points with a cutting plier Note When attching the panel board refer to Service Note on page 4 5 Panel back Two screws BVTP 3x 8 A Six screws BVTP 3 x 10 Two screws BVTP 10 Connector CN891 3 7 MAIN BOARD AND AMP BOARD Three screws BVTP 3 x 8 Q Heat sink Two screws BVTP 3 x 8 Q Power AMP board
118. t critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi Remarks 50V 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W Ref No R158 R159 R162 R171 R172 R173 R181 R182 R183 RN101 5101 101 Part No 1 216 111 00 1 216 101 00 1 216 101 00 1 216 078 00 1 216 073 00 1 216 077 91 1 216 078 00 1 216 073 00 1 216 077 91 1 233 576 11 1 771 853 11 1 579 280 11 Description Remarks METAL CHIP 390K 5 1 10W METAL CHIP 150K 5 1 10W METAL CHIP 150K 5 1 10W RES CHIP 16K 5 1 10W METAL CHIP 10K 5 1 10W RES CHIP 15K 5 1 10W RES CHIP 16K 5 1 10W METAL CHIP 10K 5 1 10W RES CHIP 15K 5 1 10W lt RESISTOR NETWORK gt RES CHIP NETWORK 100 lt SWITCH gt SWITCH DETECTION LIMIT IN lt VIBRATOR gt VIBRATOR CRYSTAL 16 9344MHz K K K K KK K K KK D630 D631 D632 Q630 Q631 Q632 Q633 Q634 Q635 R685 R686 R687 R688 R689 R750 R751 R752 R753 R754 R755 S642 S643 S644 4428 077 4428 905 4473 045 8 19 056 13 8 19 056 13 8 19 056 13 8 29 422 57 8 29 422 57 8 29 422 57 8 29 422 57 8 29 422 57 8 29 422 57 1 249 417 11 1 249 418 11 1 249 420 11 1 249 422 11 1 247 843 11 1 249 406 11 1 249 406
119. tly the sound volume decreases to its minimum and a message VOLUME MIN appears for two seconds then the display returns to the original display In the test mode the default preset channel is called even when the TUNER is selected and an attempt is made to call the preset channel that has been stored in memory by operating the Shuttle knob It means that the memory is cleared When CD is selected and the button is pressed the disc that is being chucked at this moment becomes the default setting It means that the default disc only is accessed when any other discs are selected even though the display indication changes accordingly At the same time the DISC SKIP EX CHANGE and cannot be accepted It means that the tray motor and the turntable motor are disabled of their operation When a tape is inserted in Deck B and recording is started the input source function selects VIDEO automatically When button is pressed to stop recording the Tape Deck B is selected and tape is rewound using the Shuttle knob tape is rewound tape is stops at around the record starting position and playback of the recorded portion of the tape 1s started If PAUSE is inserted even once during recording tape is rewound to the position around the PAUSE position and is played back When the Button is press during playback of Deck B either normal speed or high speed can be selected by this button Select the desired loop by pressing the PLAY M
120. uueIsd osn Jou op JI aloN soUo MOU urojs s soje1odo 1o8uo ou XIS jnoq 10 JSEJ p nous SerIel eq Osn eULIOU dil 9JOW91 8U selJelleq 9H VV 215 om Buljiesu WO 06 01 09 Jexeeds punouns uonrsod Suruojsi INOA oAoqe 06 01 09 10048 ye 1900 SUIOEJ s1oxeods PUNOJINS JU IJd 2 7 U u 1 Joyeods Joyeods punouns punouns 22 im 1 Joyeods Joyeods 14044 14034 uonisod SUIUOJSI INOA WOJJ 18 JO SUR ye SIO ROdS o e d L SJeyesds InoA 10 uoneoo 1594 Jo uuoo no alojoq sioyeods ou Buluonisod Sutddi s pue sIoytods 9711488 o s1o xeods y Jo 0 sped 1o eods porjddns qoeny sped 1exeeds ay YILL OL uejs s eu dn 6 deis SECTION 3 DISASSEMBY Note Follow the disassembly procedure in the numerical order given Two screws BVTP 3 x 10 3 1 UPPER CASE TOP a Two screws Case Side panel L Screw Case Two screws BVTP 3x 10 D Two screws Case 6 DM Case Loading panel assy 3 2 LOADING PANEL ASSY CD mechanism deck CDM58 Q Turn the pulley to the direction of arr
121. xo LH ero rt o 00 Li I REL LO il RSS 01 s 55 m 1 tt I gt 12 1 E NE ri NI A 1 gt e 1 Wa Mx H to 1 O i SN e 1 e gt x tc DZ E 1 Onus E 1 1 Bc me lt T E x 1 m Ro M o D eo 11 gt 1 il o gt z 11 11 NES mi bag ra eon O O 355 11 N E A Oi Som i U l pI NI n E 11 1 H NI MS A 1 1 e i RUN NET o Nr mt 1 a OS I O doo E MP B N I O O O O O O z w OOO000 OS c 1 11 C ul 11 EE J INO ma ii Qo I nr JF m 1 l 1 1 1 1 11 1 1 1 1 1 A B C D E F G H HCD BX7 DX7 DX7J 7 15 PRINTED WIRING BOARD LEAF SW SECTION e See page 21 for Circuit Boards Location Semiconductor Location D1001 D1002 _ 3 22 3 4 5 6 LOABI MOTORS LEAF SW BOARD IC1001 IC1002 Q1001 101001 a sooo O IC1002 0 Pers E B REAY 0 Jw1004 s1001 1 e 23 R1008 81002 19 Bi Za TA p BM1001 21002 A RLAY PILES m 14000000002 1009 A 70 120 JW1006 rz da Ni 700000000 oue e
122. y The hot reset mode functions same as if the power cord is plugged in and out Procedure Pressthree buttons ENTER and simultaneously 2 The fluorescent indicator tube becomes blank instantaneously and the set is reset CD Service Mode This mode can run the CD sled motor freely Use this mode for instance when cleaning the pickup Procedure 1 Press button to turn the set ON 2 Select the function CD 3 Press three buttons I ENTER and simul taneously 4 The CD service mode is selected 5 With the CD in stop status turn the shuttle knob clockwise to move the pickup to outside track or turn the shuttle knob counter clockwise to inside track 6 To exit from this mode perform as follows 1 Move the pickup to the most inside track 2 Press three buttons in the same manner as step 2 Note Always move the pickup to most inside track when exiting from this mode Otherwise a disc will not be unloaded Donotrun the sled motor excessively otherwise the gear can be chipped VACS ON OFF Mode e This mode is used to switch ON and OFF the VACS Variable Attenuation Control System Procedure Press the ENTER and SPECTRUM buttons simultaneously The message VACS OFF or VACS ON appears 12 Change over of MW Tuner Step between 9 kHz and 10 kHz A step of MW channels can be changed over between 9 kHz and 10 kHz Procedure 1 Press button to turn the set ON

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