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1. 15 BOARD 2002 BLOCK Symbol No 15 1 15 15 TR2 15 TR3 15 TR4 15 D1to5 15 D6to9 15 D10 15 D11 12 15 D13to16 15 D17 18 15 CR1to10 15 VR1 15 RL1 15 RL2 15 RL3 15 RL4 15 2 15 3 15 4 15 5 15 6 15 R1 15 R3 15 R4 15 5 15 20 15 1 2 15 C3 15 C4 15 5 15 6 15 C7 15 C8 9 15 C10 Parts No BA638021 ET537300 ET511920 ET639437 ET517353 ED570273 ED511097 ED357794 ED560913 ED624903 ED560913 ER450786 EV498071 EP616500 EP638763 EP616500 EP638763 EZ640462 ZS325495 EZ640642 75421806 ZW516993 535948 563354 641261 573524 ER372082 EC350987 EC565345 EC372148 EC250918 EC313121 EC331705 EC220678 EC646031 Description Relay P C Board Comp TE 2002 Transistor 25D361 D E Transistor 25 1247 Transistor 2SC945L Q P Transistor 28C711 E G Silicon Diode 1N4004 Silicon Diode 1N4001 Zener Diode RD 5A M Silicon Diode 182473 VE Silicon Diode 152473 Silicon Diode 182473 VE Spark Quencher U L 0 1120 ohm 400WV Semi fixed Vol 10 8 1 5 1 kB Relay LC1 C JT DC24V Relay MY4 0 US DC24V Relay LC1 C JT DC24V Relay MY4 0 US DC24V Relay P C Board Retaining Part Tapping Screw 2 3x6 Relay P C Board Retaining Part B Screw pan head 3x8 Nut M3 Cement R 5W 10 ohm K Wire wound Type Cement R 15W 430 ohm K Metal OX Film Type Cement R 20W 43 ohm K Wire wound Type
2. Ref amp Parts No Symbol No MC638684 8 62 MH244710 6 6 257477 5 7 MH529233 1 11 533913 8 5 578957 1 6 580588 6 7 580691 8 55 581894 8 46 581927 8 50 581940 8 49 581951 8 51 581962 8 52 581973 8 53 581984 8 54 640350 8 56 642565 8 57 1597183 4 18 1 396933 8 2 ML533643 5 12 1 580127 8 65 1 580443 6 1 1 580465 6 24 MLS80555 6 10 1 580612 17 42 1 581883 8 44 1 582041 5 18 1 582074 5 16 1 582096 8 82 ML630887 8 19 ML643476 5 6 ML643487 5 9 ML646198 8 83 ML646198 8 81 582164 8 94 580105 8 68 597115 4 15 5342000 3 15 5397001 8 59 5580116 8 66 5582153 8 12 5597431 19 11 5597655 2 10 5643397 4 10 5645502 6 2 MT314987 5 13 MT317485 3 11x MT436860 3 10 MT534666 3 13 MT534677 3 14 534688 3 17 MT553948 7 31 553948 18 37 577473 3 8 MV269965 4 23 MV269965 19 8 MV 368886 2 6 408510 3 2 643386 4 3 MZ248185 3 3 MZ302400 7 40 MZ314605 5 21 MZ314998 5 14 27317406 5 19 MZ402377 8 73 MZ576538 3 9 MZ580061 8 88 MZ580500 6 19 MZS80577 609 MZ580601 7 46x MZ580680 MZ580781 MZ581275 MZ582030 MZ582120 MZ583198 2597093 MZ597126 7597644 MZ597690 w D Qt e bb t gt KEE KEEN 43 Parts No MZ598263 MZ605283 MZ636985
3. P m G Em Em Ft m om m 0 m m C OQ t Ref No 8 61x 8 62 8 63x 8 64 8 65 8 66x 8 67 8 68 8 69 8 70 8 71 8 72x 8 73x 8 74x 8 75 8 76 8 77 8 78 8 79 8 80 8 81 8 82 8 83 8 84 8 85 8 86 8 87 8 88 8 89 8 90 8 91 8 92 8 93 8 94 8 95 8 96 8 97 8 98 8 99 8 100 ZW413278 MC638684 MZ643443 MZ582030 ML580127 MS580116 ZW259773 MR580105 ZW259738 ZW290283 MB580138 ES250064 MZ402377 75483502 7636985 ZW 580173 ZW420682 26582131 25243516 26580770 ML646198 ML582096 ML643847 MZ582120 MZ643454 ZW403200 MZ643465 MZ580061 1 270088 ZW270123 20315011 527556 26540090 582164 2 4 30402 ZW648685 25533766 75422076 25417216 5 638976 Description Nut M5 Counter MP490 23 Counter Base Spring Hanger Middle Pulley Base Middle Pulley Shaft Washer Nylon D4 1x7x0 5t Middle Pulley w metal Washer Polyslider D4 1x7x0 25t U Ring 2 85M Counter Belt D73x1 5 Micro SW V 1A44 U L Micro Insulator D Screw pan head 3x13 Shifter Plate w pin B Guide Washer Washer Nylon D4 2x9x0 5t Shifter Spring Screw pinch roller Pinch Roller Spring Shifter Lever w pin Shifter Lever B Spring Lever Connecting Bar Shifter Lock Arm A Washer SPC 6 2 13 11 Shifter Lock Arm B w prop Shifter Rock Collar E Ring 1 9M E Ring 4M Brake Lever Spring Counter Belt D93x1 5 Brake Lever Spring Pinch Roller D 42 Sch
4. 12 1 D C POWER SUPPLY VOLTAGE ADJUSTMENT 12 2 TAPE SPEED ADJUSTMENT 12 3 RECORDING AND PLAYBACK AMPLIFIER ADJUSTMENT 6300 13 4 RECORDING AND PLAYBACK AMPLIFIER ADJUSTMENT GX 630DB 14 5 DOLBY NOISE REDUCTION ADJUSTMENT 630 15 VII D C RESISTANCE OF VARIOUS COILS 16 VIII CLASSIFICATIONS OF VARIOUS P C BOARDS 17 1 BOARD INTERCHANGEABILITY 17 2 COMPOSITE VIEWS OF VARIOUS BOARD 17 For basic adjustments measuring methods and operating principles refer to GENERAL OPERAT ING PRINCIPLES AND ADJUSTMENTS SPECIFICATIONS An asterisk next to a figure indicates the minimum guaranteed performance TRACK SYSTEM 4 track 2 channel stereo monaural system TEPE SPEED 7 1 2 and 3 3 4 ips 0 7 7 1 2 and 3 3 4 ips 1 0 1 5 WOW AND FLUTTER Less than 0 06 WRMS at 7 1 2 ips m m Less than 0 0976 WRMS at 3 3 4 ips Less than 0 1076 RMS at 7 1 2 ips Less than 0 15 RMS at 3 3 4 ips TOTAL WOW AND FLUTTER Less than 0 12 RMS at 7 1 2 ips Less than 0 18 RMS at 3 3 4 ips FREQUENCY RESPONSE 30 to 25 000 Hz 3 dB at 7 1 2 ips 30 to 19 000 Hz 3 dB at 3 3 4 ips with AKAI LN 150 7 Tape 30 to 22 000 Hz 3 dB at 7 1 2
5. INDEX Parts No ED560913 ED560913 ED560913 ED560913 ED560913 ED560913 ED560913 ED570273 ED570273 ED570475 ED593357 ED624903 ED624903 ED624903 EF487427 EF511637 EF563681 EF588420 EF623103 EF623114 EF654210 EJ222748 EJ233370 EJ292961 EJ315101 1363126 EJ510333 EJ510333 EJ514607 EJ624104 EJ639112 EJ654221 EJ655830 EL619064 EL639472 5 73748 EO321254 EO369178 EO379923 EO383365 EO390622 EO496350 EO496361 EP383321 EP573658 EP616500 EP616500 EP638695 EP638763 EP638763 ER214290 ER324685 ER345677 ER372082 ER426892 ER440921 ER450786 ER450786 ERS15070 ER535948 ER563354 ER573524 ER593346 ER641261 ES250064 ES389700 5422436 ES479485 5479485 5479496 5550001 5563387 5573456 5573456 5573671 5640541 5640552 5641068 5641283 Ref amp Parts No Ref No amp symbol No Symbol No 11 D3 4 ES624677 8 42 11 D6 ES661860 8 39 13 D1to3 ET234854 9 1104 13 051010 ET234854 10 TR1 2 13 012 13 ET234854 10 TR3 4 15 011 12 234854 11 TR1 15 D17 18 ET234854 11 TR6 S As 29218 11 TR2 15 D1to5 ET329218 4 9 D1 ET329218 11 TR8 14 TH1 ET350335 11 7 13 0141029 ET352146 11 TR3 15 D13to16 399846 14 TR3 4 16 D1 ET399846 14 TR6 7 18x ET399881 13 7 7 19x ET491051 11 TRS5 19 58x ETS11920 13 TR2 3 7 20x
6. No Parts No Description SEI Q ty 6 1 ML580443 Tension Arm Base w metal 0 2037 1 6 2 MS645502 Tension Shaft TD 2041 1 6 3 ZW580498 Tension Arm Washer TD 2042 1 6 4 ZW575763 Washer SPC D8 1x13x0 5t 2 6 5 ZW260256 Washer PBP D8 1x13x0 1t 2 6 6 MH244710 Flywheel Fixing Pin 900 250 1 6 7 580588 Damper Prop TD 2052 1 6 8 TC387617 Clutch Felt CS 2011 1 6 9 MZ580577 Clutch Plate w metal TD 2051 1 6 10 ML580555 Clutch Lever w spring retainer 2048 1 6 11 27270156 E Ring 6M 6 1 9 1 6 12 76580511 TD 2044 1 6 13 ZW580678 Spring Retaining Washer TD 2067 2 6 14 ZW273756 NutM3 2 6 15 ZW575774 Washer D4 5x9 8x0 7t 1 6 16 26580533 Cramp Spring TD 2046 1 6 17 ZW410051 E Ring 2 5 6 1 9 1 6 18 ZG580522 Clutch Lever Spring TD 2045 1 6 19 MZS80500 Cam SW TD 2043 1 6 20 ZG659608 Tension Spring TE 2034 1 6 21 ZW550642 Washer SPC D3 1x7 9x0 5t 1 6 22 ZS323728 Screw binding head 3x5 1 6 23 MZ810191 Cushion Rubber RD RD 278 1 6 24 ML580465 Tension Arm w guide TD 2039 1 6 25 ZW535094 Decorative Washer TW 2077 1 6 26 75200384 Screw countersunk head 3x6 1 6 27 MZ580680 Actuator TD 2068 1 6 28 ZW290283 U Ring 2 85M 6 1 1 1 6 29 5573456 Micro SW 2 25 1 30 2 6 30 25508354 Screw pan head 3x30 2 6 31 25413155 Screw binding head 3x6 4 7 PHOTO OF POWER SUPPLY CONNECTOR PANEL BLOCK 7 POWER SUPPLY CONNECTOR PANEL BLOCK NS Parts No Descritpion Q ty e Par
7. 320051 320051 EC329771 EC329771 EC329771 EC329771 EC329771 EC329771 EC329850 EC329861 EC329861 EC329883 EC331705 EC331828 EC336194 EC337500 EC346735 EC350684 EC350684 EC350684 EC350875 EC350987 EC362158 EC368256 EC368335 EC368357 EC372148 EC377212 EC379170 EC379170 EC379170 EC379170 379192 EC379214 EC379214 EC389485 EC395504 EC399565 EC399565 EC399565 EC405898 EC432810 EC432810 EC432810 EC438041 EC450055 EC450055 EC450527 EC459505 EC467133 EC520626 EC536927 EC557166 EC557190 EC558202 EC558235 EC565345 EC593763 EC641136 EC646031 EC650968 EC661882 ED219464 ED219464 ED219464 ED224548 ED357794 ED491130 ED494583 ED498150 ED511097 ED55 7447 14 D1 Ref No amp Symbol No 10 C11 10 C17 10 C21 11 C1 11 C4 5 11 C6 11 C11 11 15 11 17 14 10 9 6 9 C14 9 C22 10 C9 10 C13 10 C18 9 C12 11 C9 12 C1 11 C8 15 C7 14 C4 11 C3 11 C10 14 C13 13 C2 13 C4 13 C6 11 C2 15 C1 2 LACH 13 8 12 3 10 19 15 4 10 10 11 12 11 16 11 18 11 19 12 5 12 2 12 4 9 8 11 20 9 15 10 6 7 10 14 10 23 9 2 9 13 10 10 16 9 19 14 9 9 21 13 9 4 7 13 7 15x 14 C8 7 16 10 C25 10 C26 15 C3 7 10 7 14x 15 C10 7 25x 7 11x 9 D2 1 1 D1 11 D5 14 D2to5 15 210 11 02 13 04 13 011 15 D6to9
8. Sw 3 WHT BLU FROM SERVO PC BOARD MY 2036 2 TO POWER TRANSFORMER f TET L TO POWER TRANSFORMER TI TET 1 TO POWER SWITCH 5 1 RED POWER TRANSFORMER TI TET 1 TO POWER TRANSFORMER _REO WHT TA TET Cer gt wo Ew eroevimo M A IN4004 m PNK WHT TO PINCH ROLLER R20 2 SOLENOID SL 1 TO POWER ic VLT YLW LONG GRN CUTS Y XE RE TO LEFT REEL MOTOR 4 7160 TO REEL SIZE SWITCH Sw 3 dt TO CAPACITOR C5 3 2 URL eeneg PNK LONG BLK TO MICRO SWITCH SW 8 TO RIGHT REEL MOTOR WHT TO MICRO SwITCH Sw 5 END 8 Pri LONG BLU To BRAKE SOLENOID L i _WHIZLONG BLK PINCH ROLLER d SOLENOID SL i i 470 160 Eege to EE S PED eK L CRIO CRS Eh e ay E CR ee 4 49 em 4 MY4 02 U 240 ECH GH 9 18 i 1 l WHT LONG YLW LCt C 41 0 24 WHT FROM CYS CON PC BOARD TE 2001 3 E Ae SCH t 21 TT FROM CYS CON RC BOARD TE 200 7 t i T i I i r 1 TENSION SWITCH SW 7 e E So TO SERVO P C BOARD MY 2036 4 TO MATE N LOCK 2 21 0 PAUS
9. e 3j e gt gt o ere E e Ek 9 x xu d 5 Q BAZ AGHA 00 3228 91 0190 GI r CA I 2 cS 2 IS e 4 Off 91 WE a e Q J EMT a MAS o L 7 Vee 812 e CS Qeza GLOZA m 8X2 CHA wel amp N d et 5 WEE ET ER M e gt seh 2129 Bike El 921402 xoi Goza SE I MS 211 5 YOLINOW O1 E 2482 40 i 2o 278 TE y r nea E 25 y jp eus RS 189 9628 190 489 EM 906 27 Ws 08906 24 dg 23H Ol S ei gt gt 420 b 5 yavor Qqogu 02 SISSVHD 01 1 lt lt gt INA NA om _ on T 5a RN EE ZNA INA 4313N A x 034 EN 4 1 20 2 2 Joa did s dede re iX Z e m ee E pe gt ObZ gt een We eee ea I MS H LIMS HOLINOW OL E H 0118 Se 14 n SI 1 n e Eu 1 82 2 0 924 028 AMO N M Eli a A 22 of a o AAA el d a z 8 029 E I e Pe 8 x SI
10. gt 5 2910 TO 2 4 5 6 012 52473 gt 2 ey 1 swe RELAY BOARD TE 2002 5 TR2 3 TR4 to TRE TRB to TRI 2 TRA 4 TRS TR 2SCI247A BMV 256945140 2569451 OY P 25C945L Q HP 25 9451 0 254564 25036 1 02 RI4 22M 7 0 012 TR6 2SC945L Q P swid 4 13 5445 150 THI 3s 34021 1 i x 2 T 1 i S 2 LS 4 K K 100K C6 0 0033 K comp 22 EZ CU out 010 10 16 x RI9 IK TRI 25694549 XP DI tfo D3 05 10010 012 013 152473 VE DH to D29 152473 047 25 K 100 R26 56K 5 TAPE SPEED ADJ N 7 1 21 x VR2 3 3 41 d Wy u EINE A 2 MAIN MOTOR SCM2 24KJ SR ge a SERVO PC BOARD MY 2036 9 e 10KB TAPE SPEED Sw 4 ON AT 7inch REEL p om pear yusa wu beeen 1 1 1 NOTE 1 UNLESS OTHERWISE SPECIFIED ALL RESISTORS IN 1 4W J ALL CAPACITORS IN pF 5OWV J 2 POWER TRANSFORMER BLOCK 15 DIFFERENT ACCORDING TO AREA GX 630D DB SCHEMATIC DIAGRAM NO 5 3 15016 58A GX 630DB 0 ws 25 TRI 250458 6 250458 TR3 2SC458LG D TR4 2SC458 21
11. HEAD ERASE HEAD Type E4 260 Gap double gap Impedance 210 ohm 10 at 100 kHz D C Resistance 2 ohm RECORDING HEAD Type R4 200 Gap 4 micron Impedance 1 870 ohm at 100 kHz D C Resistance 8 ohm PLAYBACK HEAD Type P4 202 Gap 1 7 40 5 micron Impedance 1 400 ohm at 1 kHz D C Resistance 268 ohm TRANSISTOR 4 FET DIODE POWER REQUIREMENT AND CONSUMPTION DIMENSIONS WEIGHT 25 564 0 165 25 458 0 12 28C458LG C 16 32 2SC711 F G 202 2SC945L Q P 22 22 IN34A 2 6 1N4001 4 4 144004 6 6 151588 1 1 182473 21 21 1S2473VE 16 28 2SC1247A B V 202 2SD361 D D2 1 TIP47 1 1 2SK30A GR 0 4 1002 4 4 WZ075 2 2 WZO085 0 4 WZ192 1 1 RDSA M 1 1 100 to 240V AC 50 60 Hz 90W Universal Models 220V AC 50 Hz 100W CEE Models 120V AC 60 Hz 90W CSA Models 100V AC 50 60 Hz 70W JPN Models 465 H x 440 W x 240 D mm 18 3 x 17 4 x 9 4 Dimensions include all protruding parts GX 630D 19 kg 41 8 Ibs GX 630DB 19 5 kg 42 9 Ibs NOTES 1 Specifications determined with SCOTCH 211 Tape unless otherwise noted 2 Specifications subject to change without notice 3 The numbers shown in parentheses in Items TRANSISTOR amp FET and DIODE are applicable to Model GX 630DB DISMANTLING OF UNIT In case of trouble etc necessitating disassembly please disassemble in the order s
12. 13 17 12 31 ILLUSTRATION OF TENSION ARM BLOCK 6 1 m 9008 2 500 a A UU WI A 32 5 BRAKE PLUNGER BLOCK Ref No Parts No Description Sen manie 5 1x BZ637986 Brake Plunger Block Comp TE 1 5 2 MZ643498 Plunger Retaining Plate TE 2016 1 5 3 EP638695 Plunger Solenoid 1240PHT3 44 1 80 1 5 4x ED570273 Silicon Diode LN4004 45 2 59 1 5 5x 75422076 Screw pan head 3x5 2 5 6 ML643476 Brake Plunger Lever TE 2014 1 5 7 MH257477 Connecting Pin RD 211 1 5 8 ZW270088 E Ring 1 9M 6 1 9 1 5 9 ML643387 Brake Band Lever TE 2015 1 5 10 75323728 Screw binding head 3x5 6 5 11 26586427 Reverse Spring 1192 1 5 12 1 533643 Brake Lever TW 1030 1 5 13 MT314987 Brake Band MR 213 2 5 14 MZ314998 Brake Band Retaining Plate 212 4 5 15 75417137 Screw binding head 3x4 8 5 16 ML582074 Brake Band Support TD 1023 2 5 17 ZW290283 U Ring 2 85M 6 1 1 2 5 18 1 582041 Brake Lever TD 1019 1 5 19x 7317406 Brake Band Guide MR 120 2 5 20x 75413166 Screw round head 3x6 4 5 21 MZ314605 5 Rack MR MR 104 2 5 22 75379405 ISO Screw binding head 3x6 4 5 23 ZG540090 Brake Lever Spring TW 1058 2 5 24 25422076 Screw pan head 3x5 2 5 25 5573456 Micro SW 2 25 1 30 2 5 26 ZW397146 Micro SW Nut KD 1057 1 5 27 25608354 Scres pan head 3x30 2 5 28 ER450786 Spark Quencher U L 0 1u 1200hm 400WV 41 1 33 1 6 TENSION ARM BLOCK Ref
13. PLAY Adjustment Recording Level SCOTCH 211 Tape 0 x1 5 dB Adjustment 1 000 Hz REC Low Noise Tape 0 VU recording Recording Level AKAI LN 150 7 0 21 5 dB Adjustment Tape 1 000 Hz REC 0 775V Wide Range Tape 0 VU recording SCOTCH 211 Tape 1 000 Hz Frequency 1 000 Hz to Tape Speed 3 3 4 ips 4 i 10 000 Hz ES 10 000 Hz Recheck recording level BOSE 20 VU recording flat Bias Leak REC Less tan 23 mH 50 VU Dolby Noise Refer to Item V 5 Reduction below Adjustment Chart 3 NOTES 1 Set tape speed to 3 3 4 ips for frequency response adjustment and to 7 1 2 ips for all other adjustments 2 Set Tape Selector to LOW NOISE except where otherwise noted 3 Set Monitor Switch to except where otherwise noted 4 Output Volume at maximum 5 New test tape should be used 6 The letter b following an adjustment part number indicated Right Channel az C O E zo VR2b 5KB VRIb EL 0 0 RIGHT CHANNEL LEFT CHANNEL DOLBY NR PC BOARD TD 530 5 DOLBY NOISE REDUCTION ADJUST MENT Model GX 630DB Refer to Fig 15 RECORDING DOLBY N R CIRCUIT ADJUSTMENT Disconnect the wire connected to Dolby circuit input and output terminals A and B Connect an Audio frequency oscillator to terminal A and connect a High sensitivity VTVM to termi
14. VLT 25V RED TH PHT 62ARIOOM F5 200mAT 6 5 e SW3 7 in gt 10 REEL SIZE C2 0 01 1 4 7 2 0 60Hz C3 0 01 1 4KV Z 0 4 BLK I75V I ORG 130 200000000C TH2 PHT 62ARIOOM aw BLU 100V iis 5 5V WHT IA gt 8 OV WHT 1 ENA I n 2 N o 4 E pop ES U 2 01 1 LET FI IA AC 50 60Hz C3 175 TH 3 PHT 62ARIOOM 00 0 2 2 09 0 5 9 2 x PHT 62ARIOOM KT 7 in q Oin 50Hz p 60u z REEL SIZE GX 630D DB SCHEMATIC DIAGRAM 5 5 50164
15. 18 32x 18 33x 18 34x 18 35x 18 36x 18 37x 18 38x Parts No Description ER214290 Carbon R RD1 4 4 7k J Insu Type ER345677 Carbon R RD1 4 15k J insu Type ER324685 AMP ASSEMBLY BLOCK EJ639112 Plug Housing 103 3 9P EJ514607 Wire Clip 220 JD485210 01 EJ510333 Wire Clip 220 JD481610 0104 Nylon MT553948 Wire Band B MZ640440 Jack Plate Holder Carbon R RD1 4 33k J SE Q ty 35 9 5 35 9 5 35 9 5 42 1 85 2 7 18 2 1 11 2 35 3 5014 19 PHOTO OF FINAL ASSEMBLY BLOCK Oy 19 FINAL ASSEMBLY BLOCK Ref No 19 1 19 2 19 3x 19 4 19 5x 19 6x 19 7x 19 8x 19 9x 19 10x 19 11x 19 12x 19 13x 19 14x 19 15x 19 16x 19 17 19 18 19 19 19 20x 19 21 19 22x 19 23 19 24x 19 25x 19 26 19 27x 19 28 19 29x 19 30x 19 31 19 32x 19 33x 19 34x 19 35x Parts No Description Eod ee Q t HEAD COVER TABLE BLOCK SC640991 Head Cover Base TE 6007 SC643724 Head Cover 6004 57534543 Rubber TW 6039 SM640956 Model Name Plate GX 630D 6005 SM640967 Model Name Plate GX 630DB DB TE 6005 MZ640800 Hinge Bracket 6006 MZ598263 Hinge Angel KJ 6017 MV269965 Steel Ball D4 26249107 Retaining Spring RD 632 ZW499593 Set Screw hexagon socket 5x4 Flat Point MS597431 Hinge Shaft KJ 6015 57597420 Collar KJ 6014 ZW420682 Washer Nylon D4 2x9x0 5t ZW270101 E Ring 6 1 9 75323728 Screw binding head 3x
16. 41 35 OD D NO S N Ge 9 11 98 8l 84 82 83 77 75 Or 1 Ja gt N X US gt WES 2 OF L 8 MECH ASSEMBLY BLOCK Ref No 8 1x 8 14 8 15 8 16 8 49 8 50 8 51x 8 52x 8 53x 8 54x 8 55x 8 56x 8 57x 8 58 8 59x 8 60x Parts No Description PINCH ROLLER PLUNGER BLOCK BZ637918 ML396933 MZ580781 ZW345442 MH533913 ZW270088 MZ802980 26428927 573658 MZ581275 25323728 5582153 ZW416698 Pinch Roller Plunger Block Comp Pinch Roller Arm Pinch Roller Arm Joint w pin Washer Nylon D4 2x9x1t Connecting Pin E Ring 1 9M Spring Holder Pinch Roller Cramp Spring B Plunger Solenoid 1660THT 3 PR Plunger Bracket Screw binding head 3x5 Pinch Roller Shaft Nut M4 PAUSE SWITCH BLOCK BS637920 Pause Switch Block Comp ES389700 Micro SW SS 5 MZ605283 SW Actuator OPERATION BLOCK BZ637953 Operation Block Comp MZ640675 Operation Bracket ML630887 Operation Lever 26456120 Setting Lever Spring MZ640383 Operation Holder ZS325495 Tapping Screw 2 3x6 EZ640686 Board Support EZ640372 P C Board Support B 75609298 Screw flat fillister head 3x6 ZW273802 Toothed Lock Washer ZW516611 Nut M3 5 643500 Button 5 643577 Button B SB640732 Button C SB640743 Button D LEVER SWITCH BLOCK
17. Cement R 10W 150 ohm K Wire wound Type Cement R 2W 100 ohm K Wire wound Type Capacitor Vertical Type MP C 0 4785 F M 250V DC Tub Type Elect 1000uF SOWV Elect 220uF 35WV Mylar 0 01uF M SOWV Elect 220uF 25WV Elect 22uF 16WV Elect 47uF 25WV Elect 4 7uF 160WV Tub Type Carbon Resistor Omitted Q ty QN m N A N d Lt m Noe om a MAE TTT 16 MODE BOARD TE 5003 BLOCK Symbol No Parts No Description Q ty 16 1 BZ647831 Rec Mode P C Board Comp TE 5003 1 16 D1 ED624903 Silicon Diode 152473 1 16 SW3 ES640541 Push SW 2FT 0014FF1320 1 16 RL1 EP383321 Relay TECK 36 DC22V 1000 ohm 1 161 1 2 EO390622 Ferri Inductor FL9H 220u4H K 2 16 2 EZ640451 SW Shield 1 16 3 75379350 ISO Screw pan head 3x6 1 16 4 ZW516611 Nut M3 1 16 5 ZW273802 Toothed Lock Washer M3 1 17 SPEED SWITCH P C BOARD TE 5001 BLOCK Symbol Parts No Description Q ty No 17 1 BA647717 Speed Switch P C Board Comp TE 5001 1 17 SW2 ES640552 3 Slide SW SSA06207 1 17 L1 EO379923 Ferri Inductor FL7H 8 2 7 2 17 2 MZ640618 Equalizer Bracket 1 17 3 25432843 Screw pan head 2 6 4 2 17 C1 EC250841 Mylar C 0 01uF J SOWV Vert Type 2 Carbon Resistor Omitted 18 PHOTO ASSEMBLY BLOCK 18 AMP ASSEMBLY BLOCK Ref No 18 1 18 2 18 3x 18 4 18 5 18 6 18 7
18. OERVIGE MANUAL PARTS LISTA AKAI STEREO DECK MODEL GX e C Q D ALSO APPLICABLE TO MODEL GX G3ODEB AKAI STEREO DECK GX 630D ALSO APPLICABLE TO MODEL GX 630DB STEREO TAPE DECK SECTION 1 SERVICE MANUAL 1 SECTION 2 PARTS LIST 25 m at SECTION 1 SERVICE MANUAL TABLE OF CONTENTS SPECIFICATIONS EEN 2 I DISMANTLING OF UNIT 4 III ARRANGEMENT OF PRINCIPAL PARTS 5 IV MECHANISM ADJUSTMENT 6 1 POSITION ADJUSTMENT OF BRAKE SOLENOID 81 2 6 2 BRAKE TENSION ADJUSTMENT 6 3 POSITION ADJUSTMENT OF PINCH ROLLER SOLENOID 61 1 7 4 PINCH ROLLER PRESSURE ADJUSTMENT 7 5 CAPSTAN SHAFT LOOSE PLAY ADJUSTMENT 7 6 IMPEDANCE ROLLER LOOSE PLAY ADJUSTMENT 7 7 TAPE GUIDE HEIGHT ADJUSTMENT 8 8 REEL TABLE HEIGHT ADJUSTMENT 9 9 INSTALLATION POSITION ADJUSTMENT OF 9 V HEAD ADJUSTMENT 10 VI AMPLIFIER SYSTEM ADJUSTMENT
19. egies AN rer d q 5017 2ED EN TEM 5 H 9 Ch MU a GONE NC FEET 2 LX o 54 1 CG halk H RIGHT 22 EE NEN acus CENE mi 1 5 3 4 ral ounce TAPE UNLESS OTHERWISE SPECIFIED Fb GX 630D SCHEMATIC DIAGRAM NO 5 1 5016356 ee EE GX 630DB HES Ss IND2 LIT REC DOLBY 9 P C BOARD PB DOLBY PC BOARD TD 5301 4ED 5301 4 ae ELLA 2 7 moa LEFT E EE ONT lt lI 0 0 EE E BOARD i 8515 wm 20 TRI 2 25 45816 7 5 4 2824 8LG C 2 47 25 R24 220K C2 10 16 R28 IK C19 0 056 R26 3 3K pias AD 9 SER Ci 100P CIO 47 RIG 6 2K R27 1 2K 26 1800P 250 I LEE 000000000 00000000 C22 47 6 3 82K ci2 220P w t A Q Q O Q e 58 0 015 2SC945L Q P my BOARD 5017 2 LINE IN 1 w2 L Sw WO DNE M2 VU t JjRECDOLBYj T d 322 RC BOA
20. 2532765 HZ532776 ZS 396000 ZW413256 HP536501 25394525 533597 HR384513 ZS460438 533608 563220 1315101 25355511 2 273881 Description Head Block Comp GX 630D DB Head Base Head Base C Tape Guide A Screw binding head 4x8 Tape Guide Prop Tape Guide B Angle Adjust Spring E Nut M3 Spring Washer M3 Head Base Prop B Spring Washer M4 CH Retaining Base Screw binding head 3x13 PH Retaining Base Shield Case Screw binding head 3x4 Washer SPC D3 4x7 8x0 5t PB HEAD P4 202 Screw binding head 2x3 RH Angle REC HEAD R4 200 Screw binding head 2x3 EH Angle ERASE HEAD E4 260 Nylon Clip 4 Screw binding head 3x6 Earth Lug M4 Schematic No Q ty TE 0001 TD 0001 RD 3 TD 0003 TW 0006 5 0018 ND 0017 TW 0008 TW 0010 TW 0011 TW 0201 TW 0202 2 7 38 Fa Fa sl NY X JP N Q AN Fa H Ref No 2 1x 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 2 11 2 12 2 13 2 14 2 15 2 16 Parts No 637975 2 597543 ZW597622 5 597633 BZ600300 MV368886 MZ650046 MZ597644 MZ597690 5597655 25413234 ZW603786 ZW603797 ZW603764 ZW603775 EZ627862 MAIN MOTOR BLOCK Description Main Motor Block SCM2 24KJ Comp Thrust Washer A Felt Washer Cap Detector Gear Block Comp Steel Ball D3 Motor Shield Plate Thrust Angle Ball Holder Thrust Hol
21. 822 R2 89 Rew Pa ane 09 I C3 7 5 C 0059 02 S2473VE 440 ee PD nidi 4 XP O 2 2 2 R28 5 6K A Be o RII 3 3K e ENEE 187 e IS2473VE dach EE RIB 5 2 R6 2 2K 2 SMS D6 1S2473vE Weg RI 22K R20 56K RIQ IK gs SW 124 VE I24VFWD DIO S ui wz m2 240V 1 Wz 192 O IVIPF RE jj4473v amp Gren C o sen yx ees C945LIQXP 07 Sy j EE Sr 40 152473 4 33 25 E YLW ovdi bei R9 IK f TO MATE N LOCK 2 e EL w n e 3 GA 8 p N39 100 YLW LONG RED TO MATE N LOCK WHT TO RELAY PC BOARD TE 2002 69 5 pe BLK WHT LONG BLK 029 152473 N R33 56K 8 8 8 1 027 182473 028 182473 YLw 5 6K 12 VRE Wiggs 6K 2 2 25 pat t Ee D i WHT SHORT BLK O7V REW WHT DOT BLK 9 YLW LONG BLK ian WHT TO REMOTE TO RELAY PC BOARD 2002 69 Chart 5 TO REMOTE SOCKET TO REEL SIZE SW 4 240v gt O REW NO TO RELAY PC D TE 2002 Ge TO REEL SIZE SW 4 SOCKET 6 17 2 RELAY P C BOARD 2002 TO MAIN MOTOR SKY LONG BLU TO CAPACITOR C4 3 5 15 150 _ 5 TO MAIN MOTOR TO REEL SIZE SWITCH BEE 232 TO REEL SIZE SWITCH SW 3 TO MATE N LOCK 6 TO MATE N LOCK
22. BA647796 BA647763 ES550001 EO369178 EV520806 EC329861 EC379214 EC368335 EC379214 EC379192 Description SRT P C Board Comp TD 5201 SRT P C Board Comp TD 5201 DB Push SW 1 5 60 49 Ferri Inductor FL7H 1 5 7 Semi fixed Vol V8K4 1 10 kB DB Capacitor Vertical Type Mylar 0 027uF J SOWV Mylar 0 047uF J SOWV Mylar 0 022uF J 50WV Mylar 0 047uF J SOWV Mylar 0 039uF J 50W Carbon Resistor Omitted CON P C BOARD TE 2001 BLOCK Parts No BA637964 ET639437 ET511920 ET639437 ET399881 ET639437 ED560913 ED494583 ED560913 ED498150 ED560913 ED624903 EC459505 EC350684 EC362158 EC350684 EC220612 EC350684 EC251087 EC368256 Description Sys Con P C Board Comp TE 2001 Transistor 2SC945L Q P Transistor 2SC1247A B V Transistor 2SC945L Q P Transistor 28C711 F Transistor 28C945L Q P Silicon Diode 182473 VE Silicon Diode 10D05 Silicon Diode 152473 VE Zener Diode WZ 192 Silicon Diode 152473 VE Silicon Diode 152473 Capacitor Vertical Type Mylar 0 039 50WV Elect 22uF 25WV Mylar 0 0047uF K SOWV Elect 22uF 25WV Elect 33uF 25WV Elect 22uF 25WV Mylar 0 022uF K 50W V Elect 0 47uF 25WV Carbon Resistor Omitted Q ty Q ty ON bh Ch Fa WH Be Q N 14 SERVO BOARD MY 2036 BLOCK Symbol No 14 1 Y 14 TR1 2 14 TR3 4 14 5 14 TR6 14 TR7 14 TR8 1
23. EC290520 EC320051 EC379170 EC320051 EC379170 EC379170 EC395504 Description Dolby P C Board Comp TD 5301 Transistor 2SC458LG C Transistor 25 458 Transistor 2SC458LG D Transistor 25 458 FET 2SK30A GR Transistor 2SC458LG C Transistor 28A564 Q Transistor 28C458 C Germanium Diode 1N34A Zener Diode WZ 083 Silicon Diode 182473 VE Germanium Diode 1N34A Silicon Diode 182473 VE Semi fixed Vol V8K4 1 1 kB Semi fixed Vol 8 4 1 5 kB Inductor 146LY 36 MH J P C Board Terminal Capacitor Vertical Type Elect 10 16WV Mylar 0 001uF J SOWV V FM 270PF J SOWV Elect 10uF 16WV Elect 10uF 16WV Elect 220uF 25WV Mylar 0 0056 SOWV Mylar 0 027uF J SOWV Mylar 0 0047 SOWV Elect 10uF 16WV Mylar 0 1uF J SOWV Elect 47uF 16WV VFM 100PF J SOWV Elect 10uF 16WV Mylar 0 1uF J SOWV Elect 10uF 16WV Mylar 0 1uF J SOWV Mylar 0 1uF J SOWV Mylar 0 33uF K 5 Carbon Resistor Omitted Q ty NNNNNNADNNNNNNNN NN NNNNNNNNNNNNNNN Dolby is a trademark of Dolby Laboratories Inc Under License from Dolby Laboratories Inc 37 12 SRT P C BOARD TD 5201 BLOCK Symbol No 12 1 12 2 12 5 12 L1 12 VR1 2 12 C1 12 C2 12 C3 12 C4 12 5 13 SYS Symbol No 13 1 13 TR1 1 3 TR2 3 13 TR4to6 13 TR7 13 TR8to11 13 D1to3 13 D4 13 D5to10 13 D11 13 D12 13 13 D14to29 13 C1 13 C2 13 C3 13 C4 13 C5 13 C6 13 C7 13 C8 Parts No
24. KS TU T DOLBY SWITCH SW 4 12 REC DOLBY N R P C BOARD TD 5301 EE pt 2 ss ree lends VLT TO DOLBY SWITCH SW 4 Dolby is a trademark of Dolby Laboratories Inc Under License from Dolby Laboratories Inc ORG WHT FROM REC DOLBY NR PC BOARD TD 5301 HL FROM PB BOARD 5017 2 69 FROM P C BOARD 5017 2 4 5 DOLBY SWITCH SW 4 ET vo PB DOLBY NR PC BOARD TD 530 WHT TO REC MODE BOARD TE 5003 2 FROM SRT PC BOARD TD 520 5 REC AMP BOARD 5016 D 8 t 1 i 2 3 a gt 3 5 25458161 BEN FROM SRT BOARD 0 5201 YLW FROM REC BOARD 5016 4 0 e SES Wm esr er me o e e r o gt Sos or SH BST Se RTT rsa 7 ORS DOLBY SWITCH SW 4 23 24 ERS GO ege EE itp OO c Ww p bei bet Se BS 20 SECTION 2 PARTS LIST TABLE OF CONTENTS HEAD BLOCK 26 MAIN MOTOR BLOCK 28 REEL MOTOR REEL TABLE 29 IMPEDANCE ROLLER BLOCK 30 BRAKE PLUNGER BLOCK 31 TENSION ARM BLOCK 32 POWER
25. MZ640383 MZ640405 MZ640440 MZ640574 MZ640585 MZ640618 MZ640664 MZ640675 MZ640787 MZ640798 MZ640800 MZ640877 MZ640945 MZ643375 MZ643408 MZ643443 MZ643454 MZ643465 MZ643498 MZ643522 MZ643858 MZ650046 MZ659632 MZ802980 2810191 MZ810191 SA428714 SA640934 SB640732 SB640743 SB643500 SB643577 SC640991 SC643724 SES81602 SE612055 SE613866 SE613888 SE626951 SE627120 SE631102 SE639696 SE640754 5 597633 5 634410 5 638976 5 638976 5 640901 5 640912 5 640923 5 645300 5 640956 5 640967 5 641002 5 641013 5 641024 5 641035 5 641046 641057 5 641237 57480712 527529920 527534543 47597420 387617 494267 26249107 26290878 26315011 26317496 26428927 26456120 26466312 26535105 26540090 26540090 26540617 Ref amp Ref No amp Ref No amp Symbol No Parts No Symbol No Parts No Symbol No 19 7x GZ580511 6 12 ZW260278 3 4 8 16 76580522 6 18 ZW270088 3 19 8 75 26580533 6 16 ZW270088 5 8 8 21 26580770 8 80 ZW270088 8 6 18 3 26582131 8 78 ZW270088 8 89 18 38 76586427 5 11 ZW270101 9 14 18 20 26659608 6 20 ZW270123 8 90 18 21 25200384 6 26 ZW270156 3 5 17 2 25200610 19 39 77 270156 6 11 4 25 25243516 8 79 ZW273745 1 10x 8 18 75312221 19 66 ZW273756 6 14 19 19 75323728 5 10 ZW273756 14 3 19 20 75323728 6 22 ZW273802 8 26 19 6 75323728 8 11 ZW273802 16 5 19 46x 75323728 19 15x ZW273835 1 9 18 7 ZS325495 7
26. 47uF 25WV 2 EC432810 Elect 10uF 16WV NL 2 EC290520 100PF J SOWV 2 EC467133 VFM 68PF J SOWV 2 EC290520 VFM 100PF J SOWV 2 EC329771 Elect 47uF 6 3WV 2 EC320051 Elect 10uF 16WV 2 EC389485 Mylar 0 018uF J 50W V 2 EC250683 Mylar 0 0022uF J SOWV 4 EC220678 Elect 47uF 25WV 2 EC329850 VFM 220PF J SOWV 2 EC432810 Elect 16WV NL 2 EC329771 Elect 47uF 6 3WV 2 EC399565 FM 22PF J SOWV 2 EC290520 100PF J 50W V 2 EC320051 Elect 10uF 16WV 2 EC220364 Elect 100uF6 3WV 2 EC450055 Elect luF 25WV 2 EC320051 Elect 1OuF 16WV 2 EC450527 Elect 4 7 25WV 2 EC329771 Elect 47uF 6 3WV 2 Carbon Resistor Omitted OSC P C BOARD MY 5016 BLOCK Parts No BA647684 BA647842 ET234854 ET234854 ET639437 EO321254 EO 383365 EV622078 EV 520806 515070 426892 290520 220678 432810 290520 220364 EC399565 EC320051 EC329771 EC377212 EC320051 EC220678 EC329771 EC399565 EC290520 Description Rec Osc P C Board Comp MY 5016 Rec Osc P C Board Comp MY 5016 DB Transistor 2SC458LG C Transistor 28C458LG C Transistor 2SC945L Q P Ferri Inductor FL7H 5 6MH J OSC Coil OT 204 Double Vol V24LSDPHN ASOkx2 Semi fixed Vol V8K4 1 10 kB Metal Oxide Film R 2W 150 ohm K Solid R RC1 2 2 4k J Capacitor Vertical Type VFM 100PF J 50W V Elect 47uF 25WV Elect 10uF 16WV NL VFM 100PF J SOWV Elect 100u F 6 3WV FM 22PF J SOWV Elect 10uF 16WV Elect 47uF
27. 49 ZW580498 6 3 19 2 7 25432843 17 3 29580678 6 13 19 41 75435273 3 21 ZW597543 2 2 19 42x 75460438 1 23 ZW597622 2 3 19 44 75462947 18 24 ZW603764 2 14 19 45 75481724 4 11 ZW603775 2 15 19 17 25483502 8 74 ZW603786 2 12 19 40 25499331 4 6 ZW603797 2 13 19 48 75508354 6 30 ZW603990 4 4 19 3 75533766 8 97 ZW648685 8 96 19 21x 25537006 1 5 ZW655953 4 17 6 8 75562432 1 14 ZW664841 8 60 19 35 75575392 19 29 19 9 75593796 4 19 18 12 75608354 5 27 8 91 75609298 8 25 3 12 75613901 19 65 8 8 75664345 19 54 8 20 75665550 19 53 1 8 ZW235585 4 24 4 9 ZW259738 8 69 5 23 ZW259773 8 67 8 93 ZW260010 4 12 3 16 ZW260256 6 5 Ref amp x Parts No Symbol No Parts No Ref No amp Symbol No E uou MER uma e GX 630D LEFT MODE BOARD TE 5003 TAPE SPEED 4 1 gt 2 HEAD ee ee R4 200 1 Lo Ho C2 0 047 C3 0 022 C4 0047 C3 0 039 n o a e LI 1 5mH MEER REC WWII es A 8 LOCK TR 2 25045846 C 100 25 c R28 IOOK R29 27K 4 16 5 al Jio x o 3 P 2 e gt n me v ot 5 270 AN ur C26 1800P 250 gemis D c
28. 5 2296 31 2 5 919 8 H E 5 31914 den OL n N Bl lod 8 42 Baal osa ECH A x ri gt 1242 5 9 06 po x s o 2 2 ES M Off Eg e a o Aud 2 2 3 ors 128 18 2 z 88 25 a8 K i N e 29 Bai e lt Kai 407 auam emp web Su ote 2 gu 2 5 z be d 219 LAS 12 QS gt p zu 7 KE e t S zO 222 X28 29 S gt 2x MIA gt gt D gt 5 21 5 YOLINOW 01 9 7 gt gt CN Gs ig 4 58 uz VR 38 222 Ge BAOG IUA m DAS A 28 113 2 NEI ee 9H C IER oe e 3 82082 49 NOOI GI 88 X0 SSS gN J00S 31 od a foo wA Az _ p Us t 2 21 5 03345 OL wert Su 3E WOCE s z 4 gt Um 62 29 19 engl ec Sit eire 9 1 oye w 3m 00 2 OG 48 NEE op 1 56 25 76 250 Kee SCH ORT Um WOH 2 m T O g ee ogo oma ec 489 52 28 191701 22 18 IHM O San N LOCK DI VLT WHT 5016 9 3 REC
29. 8 24 0 KS Ve IOK 10 16 gt OG 2K 25 55 d TR5 2SK30A GR TR6 25 4581 6 Sdt 254564 0 TR8 2SC458 LEFT ch 21 8V CIO c8 2 TR6 0 0056 R22 23v 0 D r ay TRS s 0 JTP R23 Y 2 _ x 3 3K em i 23 gt 2 2 2 SI Zo lt iD x m th 5 SS 5 224 N GC DE qc N 1 gt x o 2 i O SAME AS LEFT CHANNEL NOTE THIS DOLBY BOARD IS USED FOR REC AND PB DOLBY SYSTEM HOWEVER IN CASE OF PB DOLBY TERMINALS ARE RIGHT ch CONNECTED AND IN CASE OF REC DOLBY TERMINALS Q D ARE CONNECTED O6 9 __ DOLBY P C BOARD 530 1 4ED NOTE UNLESS OTHERWISE SPECIFIED ALL RESISTORS IN o I 4W J ALL CAPACITORS IN uF SOWV J GX 630DB SCHEMATIC DIAGRAM No 5 4 1501639 GX 630D DB F2 5 AC 220V 50 id BLK 175 800mAT gt lt 2 PHT 62ARIOOM e r c 0 0 0 o o 2000000000000000000 i F4 500mAT RARE 62ARIOOM E x N s o 4 O o la F2 5 1 240 50Hz 5 SW i BLK 175 F3 800mAT t I C ORG 30v TH2 BRN lt PHT 62ARIOOM P I F4 500mAT 00000000000000
30. ET511920 15 TR2 7 17x 517353 15 4 7 38 537300 15 TRI 7 21 538154 14 TRS 7 39 621786 7 48 7 33 623867 14 TR7 18 22 ET639437 9 TR5 6 1 26 ET639437 10 TRS5 6 7 11 2 ET639437 13 TRI 7 32x ET639437 13 TR4to6 18 36x ET639437 13 TR8to11 18 35x ET639437 14 TR1 2 18 28 ET639437 14 TR8 7 51 ET639437 15 TR3 18 34x EV464196 9 VR3 7 26x 464207 11 VR2 18 1 EV464220 9 1 18 18x EV478686 11 VR1 18 6 EV498071 15 VR1 18 10 EV520806 10 VR2 10 L1 520806 12 VR1 2 12 L1 EV621955 14 17 1 621966 14 VR2 10 1 2 EV622056 9 VR2 16 1 1 2 EV622078 10 VR1 11 L1 EW374894 19 69 9 L1 516600 19 70x 16 RL 1 524845 19 71 8 9 7246936 7 52 15 RL 1 EZ436217 19 60 15 RL3 EZ530021 18 23 5 3 2586326 18 5 15 RL2 EZ614586 7 23 15 RL4 EZ615047 14 4 18 31x EZ615060 14 6 18 33x EZ615071 14 7 18 32x EZ278862 2 16 15 R20 EZ640372 8 24 10 R40 EZ640451 16 2 18 30x EZ640462 15 2 5 28 EZ640620 18 14 15 11010 640642 15 4 10 R39 EZ640686 8 23x 15 R1 EZ640980 19 55x 15 R3 EZ654208 7 34 15 R5 EZ655198 7 35 14 R20 EX655942 18 26 15 R4 HA533597 1 21 8 72 533608 1024 8 15 563220 1 25 8 40 536501 1 19 7 43 HR384513 1 22 8 41 HZ532710 1 7 8 38 HZ532732 1 13 12 SW1 HZ532765 1 15 8 37 HZ532776 1 16 5 25 HZ643544 1 2 6 29 HZ645298 1 3 18 15x HZ803597 1 4 16 SW3 527556 8 92 17 SW2 MB580138 8 71 8 43 606712 8 48 18 8 665561 4 8
31. Uni D CEE 24 9 103 1 7 15 ECS36927 MP C 3uFx2 250WV AC CONNECTOR PANEL BLOCK N Lug Type Uni D CSA 24 9 79 1 7 39 EJ222748 Socket Sub Magnale 311SG 31 1 39 1 7 16 557190 Elect C 470uF 160WV 7 40 7302400 Remote Control Socket Lug Type 24 10 88 1 Mt Plate RX 515 1 7 17 623103 Fuse 1AT SEMKO 7 41 75355522 Screw pan head 3x6 5 CEE 39 1 53 5 7 42 ML580612 FSW Table TD 2059 1 7 18 EF487427 Fuse ULMF61M 250V 0 2 7 43 ES479485 Slide SW S 1 25 3 66 3 CSA 39 1 45 1 7 44 75422076 Screw head 3x5 4 7 19 511637 Fuse ULMF61M 250V 1A 7 45 75327835 ISO Screw countersunk head CSA 39 1 45 4 3x5 2 7 20x EF588420 Fuse 1 125V JPN 39 1 52 5 7 46 2580601 FSW Plate TD 2058 1 7 21 EF654210 Fuse 0 25A 125V JPN 29 1 52 1 7 47 EAS97251 Transistor P C Board KJ 2049 1 7 22x EA642701 Repeter Board CEE 33 2 52 1 7 A8x ET621786 Transistor T1P 48 45 1 197 1 7 23 7614586 Fuse Table MY CEE 2043 1 7 49 75421806 Screw head 3x8 1 7 24 75379350 ISO Screw head 3x6 7 50 7 516611 Nut M3 1 2 7 51 631945 Strain Relief SR AN 4 2 1 49 1 7 25 650968 Thermister SINE 62 7 52x EZ246936 Strain Relief SR 6W 1 CEE 2 7 8 1 100 CEE CSA JPN 45 14 3 2 ASSEMBLY BLOCK ILLUSTRATION OF MECH 8 aoo WB Mel CEN TN Om 7 VE Su N 344 58 38 40
32. 0 3 REEL MOTOR REEL TABLE BLOCK Schematic No Q ty N 2 be bech 29 4 ILLUSTRATION OF IMPEDANCE ROLLER BLOCK 4 IMPEDANCE ROLLER BLOCK Ref No 4 1x 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11x 4 12 4 13 4 14 Parts No 1637931 7643375 MV643386 ZW603990 MZ597093 25499331 MZ643408 MB665561 ZG535105 MS643397 25481724 ZW260010 ZW5 56828 25417216 Description Impedance Roller Block Comp Impedance Plate Shaft Metal Metal Nut Metal Case w metal Screw pan head 2 3x5 Stopper TE Stopper Rubber Tension Arm Spring Shaft ISO Screw truss head 3x6 Washer PBP D6 1x10x0 1t Washer D3 5x10x0 5t Screw pan head 3x4 Schematic Q ty No TE TE 2004 TE 2005 6 3 9 KJ 2029 TE 2007 TE 2039 TW 2078 TE 2006 Ref No 4 15 4 16x 4 17x 4 18 4 19 4 20 4 21 4 22 4 23 4 24 4 25 Parts No MR597115 MZ597126 ZW655953 MIS97183 75593796 ZW535094 7643858 75411660 MV269965 ZW235585 MZ640664 Description Impedance Roller w shaft 2033 Roller Plate KJ 2035 Washer D4 1x10x1t Flywheel KJ 2041 Set Screw hexagon socket 3x6 Flat P Decorative Washer TW 2077 T Arm w Guide T E 2003 Screw oval countersunk head 3x6 Steel Ball D4 Nylon Plate D8 Thrust Supporting Plate TE 2022 S o Q ty 1 1 1 1 30 ILLUSTRATION OF BRAKE PLUNGER BLOCK 5
33. 12 ZW273881 1 28 4 2 75325495 8 22x ZW273881 7 27x 4 7 75325495 15 3 ZW273881 18 25 8 63 75325495 18 2 ZW273892 7 7 8 85 75325495 18 19 ZW2 73892 7 30x 8 87 75325495 19 43 ZW2 73914 1 12 5 2 75327835 7 45x ZW273914 7 9x 8 36 75355511 1 27 ZW290283 5 17 4 21 75355522 7 41 ZW290283 6 28 2 7 25379350 7 24x ZW290283 8 70 18 11x 75379350 7 37x ZW318014 19 30x 8 7 75379350 8 58 ZW324281 19 51 6 23x 28379350 16 3 ZW345442 8 4 8 45 75379350 18 9 21 397146 5 26 19 50 75379405 5 22 ZW403200 8 86 19 38 75392141 19 68 ZW410051 6 17 8 30 75394525 1 20 ZW413188 7 8x 8 31x ZS396000 1 17 ZW413188 7 29 8 28x ZS411660 4 22 ZW413256 1 18 8 29 75411660 19 59x ZW413278 8 61x 19 1 75413155 6 31 ZW416698 8 13 19 2 75413166 5 20 ZW419646 19 52 19 21 75413201 7 6 ZW420682 8 77 19 31 75413201 8 47 ZW420682 19 13 19 34 75413234 2 11 ZW430402 8 95 19 13 75413785 3 18 ZW499593 19 10 19 23 75417137 5 15 ZW510827 7 5 19 67 25417150 7 28x ZWS16611 7 50x 19 28 75417150 19 47 ZW516611 8 27 19 23 75417216 4 14 ZW516611 16 4 19 18 75417216 8 99 ZW516611 18 13 2 4 75421806 7 49 7 516993 15 6 19 57 25421806 14 2 ZW535094 4 20 8 100 75421806 15 5 ZW535094 6 25 19 56 28422076 5 5 ZW550642 6 21 19 63 25422076 5 24 ZW556828 4 13 19 61 75422076 7 44 ZW562476 3 20 19 62 75422076 8 98 ZW575730 19 22 19 64 75422076 14 5 ZW575763 6 4 19 4 75422076 18 4 ZW575774 6 15 19 5 25422076 18 16 ZW580173 8 76 19 26 25432674 19
34. 14 C 25b 80P 5016 RIGHT CH ng tert g o p s G 3 er p REC AMP e LT E 28 lt KA LE EE Si TP i W 9 27 9 3 SRT BOARD TD 520 RIGHT CH L Ib 23mH L 1 23mH PC BOARD 50 7 esee eren ges LEFT CH Adjustment Item Test Tape Adjustment Result Remarks Supply Signal Point 1 Playback Level 700 Hz 7 1 2 ips VR 1 0 1 5 dB Adjustment 0 VU Test Tape 50 kB 0 775V VU 700 Hz 7 1 2 ips VR 3 2 Sensitivity 0 VU Test T 2 kB 0 VU Adjustment 3 Recording Level is REC VR 2 0 1 5 dB Adjustment p 10 kB 0 775V recording SCOTCH 211 Tape 1 000 Hz Frequency i Response SCH 25 to Tape Speed 3 3 4 ips 10 000 Hz 80P 10 000 Hz Recheck recording level Adjustment 20 VU recording flat 5 Bias Leak REC L 1 Less than Less than 20 VU 23 mH 30 VU at monaural Chart 2 4 RECORDING AND PLAYBACK AMPLIFIER ADJUSTMENT Model GX 630DB Refer to Figs 13 14 Test Tape Mode Adjustment Supply Signal Point Playback Level 700 Hz 7 1 2 ips PLAY VR 1 Adjustment 0 VU Test Tape 50 kB Step Adjustment Item Result Remarks 0 21 0 dB 0 775V VU Meter 700 Hz 7 1 2 ips Sensitivity 0 VU Test
35. 18 8 18 9 18 10 18 11x 18 12x 18 13x 18 14x 18 15x 18 16x 18 17x 18 18x 18 19x 18 20x 18 21x 18 22 18 23 18 24x 18 25x 18 26 18 27x 18 28 18 29x 18 30x 40 Parts No Description FRONT CHASSIS BLOCK EJ655830 3 throw Jack 31 2 69 25325495 Tapping Screw 2 3x6 MZ640405 SW Retaining Plate TE 5007 25422076 Screw pan head 3x5 EZ586326 Lamp Holder 5324 EL639472 Lamp 24V 35MA 190M Mx2 Read Type 282 24 MZ640945 Connecting Plate B 5009 ES641283 Lever SW S J6399 25 12 21 25379350 ISO Screw pan head 3x6 EMS73748 VU Meter KL 280B 28 Yellow 46 1 86 7659632 Meter Mask 5027 20290878 VU Meter Spring DX 504 ZW516611 Nut M3 EZ640620 Board Holder TE 5011 ES573671 Push SW 1 FST 6U 122 3 DB 25 5 119 25422076 Screw pan head 3x5 DB EA640438 Dolby Lamp P C Board DB TE 5004 EL619064 Lamp 24V 35MA DB 28 2 40 25325495 Tapping Scres 2 3x6 REAR CHASSIS BLOCK MZ640574 Amp Side Plate A 5012 MZ640585 Amp Side Plate TE 5012 EJ292961 Multi jack 10P 500 010 005 3144 EZ530021 Jack Nut Plate ND 5052 25462947 Screw pan head 2 3x12 ZW273881 Earth Lug 4 EZ655942 MJJack Shield TE 5017 JACK PLATE BLOCK BJ647728 Jack Plate Block Comp EJ624104 Jack Plate J 2 31 5 121 EA628222 Board for Jack LE 5622 440921 Carbon R RD1 4 27k J Insu Type 35 9 5 Schematic No Q ty bh ANN D ke em Ref No 18 31x
36. 4 VRI 20KB N me ee ee eee es aca 2 YRD ONE e 7 VR2b e Kee SPEED SWITCH BOARD 5001 21 8 JACK PLATE P C BOARD LE 5622 TO CHASSIS REC MODE RC BOARD 5003 191 Qi D PB AMP RC e BOARD 5017 2009 TO REC BOARD 5016 3 R5 5K 3 R5b 15 29 R7b 33K L W 9 Teen cry Oa MY 50 7 b uu BLU e w e YLw wHT BLK Rit 27K FROM MIC JACK JC Wwe WRT Rib 27K FROM MIC JACK Ese en sy BLU wHT BLK GRN TO REC P C BOARD 506 9 TO REC MODE RC BOARD TE 5003 1211 9 TRANSISTOR P C BOARD KJ 2049 YLW SS 3 m o 2 o 4 ar gt gt LEE SERVO RC BOARD 2036 0 10 SPEED SWITCH P C BOARD TE 5001 t 7 1 2 RED 4 YUW BLU GRN ROM PB FROM BE M DG MY 5017 49 3 a t po mm BLU 3 t YLW FROM SRT P C BOARD RED l RED FROM SRT RED 12 t RED BLK RED WHT FROM REC AMP P C BOARD 5016 5 4 D 22 11 DOLBY N R BOARD TD 5301 FROM PC BOARD 5017 9 8 FROM PB RC BOARD MY 50I7 9 3 EE 2 RS 1 ix m e 445 5 8 a d 28 j un FU E d
37. 4 D1 14 D2to5 14 14 VR1 14 VR2 Parts No BA657167 ET639437 ET 399846 ET538154 ET 399846 ET 623867 ET639437 ED557447 ED224548 ED593357 EV621955 EV621966 25421806 ZW273756 EZ615047 ZS422076 Description Servo P C Board Comp MY 2036 Transistor 2SC945 P Q Transistor 2SC945 Q Transistor 25A564 Q R Transistor 2SC945 Q Transistor 25D361 D1 D2 Transistor 25 945 Silicon Diode 151588 Silicon Diode 10D2 Thermister 34D21 Semi fixed Vol V10K8 1 5 B10K Semi fixed Vol 10 8 1 5 B30K Screw pan head 3x8 Nut M3 Heat sink Plate A Screw pan head 3x5 Q ty mM ox o N QN m Symbol No 14 6 14 7 14 R20 14 C1 14 C2 14 C3 14 C4 14 C5 14 C6 14 C7 14 C8 14 C9 14 C10 14 C11 14 C12 14 C13 Parts No EZ615060 EZ615071 593346 EC251291 EC251122 EC250582 EC331828 EC251122 EC250582 EC311793 557166 450055 EC320051 EC220151 EC250885 EC346735 Description P C Board Holder B P C Board Holder C Cement R 2W 330 ohm K Wire wound Type Capacitor Vertical Type Mylar O 1u F K 50WV Mylar 0 027uF K 50WV Mylar 0 0033uF K SOWV Elect 3 3uF 25WV Mylar 0 027 SOWV Mylar 0 0033uF K 50WV Mylar 0 012uF J SOWV Solid Aluminum 3 3 25WV Elect 1luF 25WV Elect 10uF 16WV Elect 100uF 25WV M ylar 0 01 uF K SOWV Elect 47uF SOWV Carbon Resistor Omitted Q ty bei P
38. 47728 BM587518 BM637975 BR587542 BR587553 BS637920 BS637997 BS660227 BS660238 BS660240 17274 BT640517 661858 BT661904 BT661926 BZ600300 BZ637918 BZ637953 BZ637936 BZ2647662 BZ647730 BZ647741 BZ647831 597251 EA628222 EA 640438 EA642701 EC220151 EC220151 EC220364 220364 EC220612 EC220612 EC220678 EC220678 EC220678 EC220678 EC220678 EC220994 EC250582 250582 250683 250841 250841 250885 250918 EC250975 EC251087 EC251122 EC251122 251291 EC290520 EC290520 EC290520 EC290520 EC290520 EC290520 EC290520 EC311793 EC313121 EC313121 EC320040 EC320051 EC320051 EC320051 EC320051 11 1 10 C8 Ref No amp Symbol No 9 1 13 1 15 1 10 1 17 1 12 2 10 2 12 1 14 1 19 37 19 36x 1 1x 4 1x 18 27x 3 1 2 1x 3 6x 3 7x 8 14 8 32 8 33x 8 34x 8 35x 9T 1 7 1 7 2 7 4 7 3 2 5 8 1 8 17 5 1 19 16 19 24 19 25 16 1 7 74 18 29 18 17 7 22 10 20 14 C11 9 C18 10 C 5 10 C29 13 C5 9 C1 9 C11 10 C2 10 C12 15 C8 9 10 C22 14 C6 14 C3 9 9 10 10 24 17 C1 14 C12 15 C5 10 C27 28 13 C7 14 C2 14 C 5 14 C1 9 C 3 9 5 9 16 10 10 4 10 15 11 14 14 7 11 7 15 6 11 9 7 9 17 9 20 558 EC320051 EC320051 EC320051 EC320051 EC320051 EC320051 EC320051 320051
39. 5 MECH PANEL BLOCK BZ647662 Mech Panel Block Comp TE SP641237 Mech Panel TE 6001 SE640754 Motor Escutcheon A TE 6002 MZ640787 Impedanse Roller Collar T E 6003 MZ640798 Arm Collar T E 6004 SES81602 Reel Table Escutcheon 2 TD 6021 ZW575730 Speed Nut P Type 3 6 3 6 SE626951 Counter Escutcheon MY 6006 AMP PANEL BLOCK BZ647730 Amp Panel Block Comp TE BZ647741 Amp Panel Block Comp DB TE SP641002 Amp Panel TE 6008 SP641013 Panel DB TE 6008 SE631102 VU Escutcheon MY 6205 ZS575392 Screw pan head 2 6x8 ZW318014 Washer BSP D2 6x4 5x0 4t SE612055 Lamp Lens A Red CH 6314 SE639696 Lamp Lens B 2 DB NE 6005 SE613888 Button Escutcheon DB CW 6021 SE613866 Button Escutcheon C 6016 TC494267 Lamp Cover DB CG 2206 ORK HYS WD Canal y p hN bei CONN Fa Fa F LI he 00 09 Fa Fa Fa 422522 Ref No 19 36x 19 37 19 38 19 39x 19 40x 19 41x 19 42x 19 43x 19 44x 19 45x 19 46x 19 47x 19 48x 19 49x 19 50x 19 51x 19 52x 19 53x 19 54x 19 55x 19 56 19 57 19 58x 19 59x 19 60 19 61 19 62 19 63 19 64 19 65 19 66x 19 67x 19 68x 19 69 19 70x 19 71x 21 37 4 1 64 18 2 Y 26 3 62 61 22 69 18 Description CASE BLOCK BC647673 Case Block Comp BC640978 Wood Case SA640934 Square Foot w rubber 25200610 Tapping Screw 1 4x12 Truss 57480712 Dust Cover Pin FINAL ASSEMBLY BLLCK
40. 6 3WV VFM 47PF J SOWV Elect 10 16WV Elect 47uF 25WV Elect 47uF 6 3WV FM 22PF J SOWV VFM 100PF J SOWV Q ty ra MM N p NNNNNNNN gt LV Symbol No 10 C16 10 C17 10 C18 10 C19 10 C20 10 21 10 22 10 23 10 24 10 25 10 26 10 27 28 10 29 Parts No EC438041 EC320051 EC329771 EC368357 EC220151 EC320051 EC220994 EC405898 EC250841 EC558202 EC558235 EC250975 EC220612 Description Mylar 0 082uF J SOWV Elect 10uF 16WV Elect 47uF 6 3WV Mylar 0 056uF J SOWV Elect 100uF 25WV Elect 10uF 16WV Elect 10uF 25WV Styrol 470PF J SOWV Mylor 0 01 F J SOWV Trimmer TM 80A 80PF Styrol 1800PF J 250WV Mylar 0 015uF J SOWV Elect 33uF 25WV Carbon Resistor Omitted lt N POP NN N NN 11 DOLBY BOARD TD 5301 BLOCK Symbol No 11 1 11 11 2 1 1 TR3 1 1 TR4 11 5 11 6 11 TR7 11 TR8 11 D1 11 D2 11 D3 4 11 05 11 D6 11 VRI 1 1 BR2 11 L1 11 2 11 11 2 11 C3 11 C4 5 11 C6 11 C7 11 C8 11 C9 11 C10 11 C11 11 C12 11 C13 11 C14 11 C15 11 C16 11 C17 11 C18 11 C19 11 C20 Parts No BAS88003 ET234854 ET329218 ET 352146 ET329218 ET491051 ET234854 ET350335 ET329218 ED219464 ED491130 ED560913 ED219464 ED560913 EV478686 EV464207 EO496350 EJ363126 EC320051 EC350875 EC336194 EC320051 EC320051 EC313121 EC329883 EC329861 EC337500 EC320051 EC379170 EC320040
41. ACK J4 e me s e Nr e R3b OK C2b 47 25 R2b 330K TRID Clb T R amp b 2 2 R7b 18K C6b 229 500 De 24K OF m 8 AT Be R9b 6K cab 47 6 Rab 27K Cab 10 16 22 900 ER ere Site TR2b T FROM MIC JACK J3 VRID 50KAx2 BLU 19 5 PLAYBACK BOARD MY 5017 w p eie 9 3 i ec HE E 489 492 Mlb 428 1191701 NORE THM Move LINW 01 1006 31 j Se Sem ee 9d HOLIMS 03345 01 el 24000 0 woe TA lI 469 oe Nem e p S 5275 9 6 9 weg 4218 H otf aga e ete eg d Zeg 482 91 0 410 4001429 den X0 89 69454932 8 Te qes oge amp 2 m e ER O x g 55 x 9 9222 do 22 1 MS HOLIMS YOLINOW m 8309 o 2 gt 55 gt ae 2 d TEEN E zm 9 Ma 7 SES 4614 3228 Ge Ce 5 op M _ AM e gt gt ha cite Zeg 49 AND 22 2 x eg 9022 WE 422 asio WE gan ped Xe agii 2 5 80 o 28 zx q a e SELL EE e W e 5 gt 9 022 1 239 E Es gt lt
42. AMP PC BOARD MY FROM 20 ur te enn erga Z MES S 7 SRT P C BOARD TD 5201 LOW NOISE WIDE RANGE A GX 630D C3b 0 022 5b 0 059 get 22 1 4 vw FROM REC AMP WHT RED xx 2 gt RED GRY FROM REC BOARD 5016 52 BOARD MY 5016 O i 9 8 7 of o HH n P mdi ed Co O mn 5 E gt 5 4 OB D 3 9 6 KEE TO SPEED SWITCH BOARD 5001 LOW NOISE B GX 630DB RANGE 0 027 19 4116 0047 1 0 087 Uy sen C4 0 047 9 0 047 ke 33 3359 eW LI L 5mH d Lib 1 5 heim C le 0 022 4 1 T C3b 0 022 er Er Ii Rap 1 Ka 1 d Web 0 039 22 t Rep 22 E UM E Q 9 FROM AMP WHT RED lt y jl lx x RED GRY FROM BOARD 5016 22 8118 Xu m BOARD 5016 28 d G gt o e 1 lt TO REC DOLBY N R 4 BOARD 5301 DO REC LEVEL ADJ VRI VRIb LOW NOISE VR2 VR2b WIDE RANGE TO REC DOLBY N R PC BOARD TD 530 G BRN ORG 2 QA X FROM REC AMP RC BOARD 5016 2 226965 L N
43. BS637997 Lever Switch Block Comp BS660227 Lever Switch Block Comp CEE BS660238 Lever Seitch Block Comp CSA BS660240 Lever Switch Block Comp JPN MZ643522 SW Plate ES563387 Leaf SW BSW 1A ES479496 Slide SW 5 2 ES661860 Slide SW JE1 CEE ES422436 Slide SW SL 222B4C ES479485 Slide SW S 1 ES642677 Slide SW JEO8 CEE ES641068 Slide SW JEO6 CSA JPN MECH ASSEMBLY BLOCK ML581883 MZ810191 581894 75413201 606712 581940 581927 581951 581962 581973 581984 580691 640350 642565 75379350 5397001 ZW664841 Shifter Stopper Cushion Rubber RD Head Base Prop Screw pan head 4x8 Stopper Rubber KJ Shifter Lever Post A Shifter Guide Post Spring Lever Post Shifter Lever Post B Brake Lever Post A Brake Lever Post B Actuator Prop Shifter Lock Arm Prop Prop ISO Screw pan head 3x6 Pinch Roller Arm Shaft Washer D8 1x13x0 3t TE KD 1030 TD 2079 TW 2010 6 1 9 RD 276 KD 1032 44 1 66 TD 1061 TD 1033 25 1 19 CW 106Q TE TE 2023 MY 2202 5 1187 2025 2024 2024 2017 2017 2017 2017 2019 25 10 19 25 3 67 25 3 63 25 3 40 25 3 66 25 3 116 25 3 114 TD 1002 RD 278 TD 1003 KJ 2060 TD 1008 TD 1006 TD 1010 TD 1011 TD 1012 TD 1013 TD 2069 TE 1003 TE 1002 KD 1002 Schematic No Q ty m ON Q Q QN N m om N N bt m 13 LA UY CA n
44. E MICRO SWITCH SW 6 TO MATE N LOCK D MATE N LOCK 3 FROM SERVO PC BOARD MY 2036 5 FROM CYS CON WHT SHORT m 152473 DIS 52473 014 152473 BOARD 2001 5 t e 25 71 6 5 amp Q ee 6 4 0 C9 47 25 5 BOARD TE 20016 018 IS2473VE 017 152473 RIG 47K SKY LONG BLK TO MICRO SWITCH Sw 9 FROM CYS CON BOARD 2001 4 FROM POWER TRANSFORMER 7 1 1 FROM SERVO BOARD 2036 6 20361 y 18 SS ee ee TO MICRO SWITCH SW 8 PEE RE 04 aeo TO BRAKE SOLENOID 51 2 Cem R2 EN WHT LONG PNK TO CAPACITOR CI Ce mE iod ii 5 470 160 3 SERVO BOARD MY 2036 FROM PICK UP COIL OF MAIN MOTOR eir c2 027 9 4 RI 20K Ex R2 5 8K owes R7 20K oe 82K O K R3 620 FROM TRANSISTOR TO TAPE SPEED SELECTOR Sw 2 I 8 ZE 5 5 1 H H EN A SPEED ADJ H t 7 1 2 t VR I ae Vig Sous d LONG WHT PNK CROSS WHT RELAY BOARD TE 2002 7 6 5 PNK R YLW CROSS BLK TRANSISTOR TRI TiP47 BASE WHT BLU FROM PHASE CAPACITOR C 4 25 94 GRY FROM POWER TRANSFORMER 1 8 E YLW LON
45. G vo TRANSISTOR TRI TIP47 COLLECTOR 4 RECORDING P C BOARD MY 5016 FROM PC BOARD MY 5017 MATE N LOCK TO REC MODE PC BOARD TE 5003 I TO CHASSIS TO REC MODE PC BOARD 5003 3 0 REC MODE PC BOARD TE 5C23 006 O MODE BOARD 500301 TO MATE N LOCK 7 TO CHASSIS BOARD TE 5003 TO REC MODE al to TR4 25C458LG C FROM JACK J2 C5 100 6 3 els 51 RIG B 2K RIT 82K CI 6 Ci6 0 082 i Re amp 220K 47 6 3 ere ORG WHT RI5 120K 4 22 500 ORG WHT gt amp gt ECH 4 CIS 47 25 gt R20 27K 8 2 10716 15 l o S TR4 WHT 1 8K R23 22K i e lt si v ey Deeg emp SS MONITOR SWITCH dix i C18 4746 3 R29 27K c21 10 18 R25 27K i e 0 SW 1 gt gt gt gt ON REC LEVEL EN R32 IK nd s R28 IK T 0 So 4 WHT k 8 TRS VR2 OKB C20 100 25 R30 R33 390 REC BIAS Qu ae e oje o een C22 25 h Ty cp EE TO SRT PC BOARD TM 804 H Li 56m R34 70 5201 us Sa Tt 5 4 997 A C Soc ou ete WHT Qi 18 bau EK TO
46. NSION ADJUSTMENT Refer to Figs 1 2 1 Adjust installation position of the Spring Rack so that brake tension is 500g 2 After brake tension adjustment adjust installation position of the Brake Band Guide so that at all modes except stop mode the brake band com pletely separates from the cloth tape on the brake drum ROLLER SOLENOID SL 1 lt PLUNGER PULL BAR PINCH ROLLER PRESSURE ADJUSTMENT NUT 1 4Kg 1 ROLLER ARM ROLLER CAPSTAN Fig 3 3 POSITION ADJUSTMENT OF PINCH MAIN MOTOR THRUST SUPPORT ANGLE ROLLER SOLENOID SL 1 Refer to Fig 3 1 Insert a 4 mm thickness gauge A U type washer can be substituted between the Pull Bar and Pinch Roller Arm lt 2 Set the deck to playback mode and fix Pinch Roller Solenoid at position at which pinch roller begins to rotate 4 ROLLER PRESSURE ADJUST MENT Refer to Fig 3 Adjust Pinch Roller Pressure Adjustment Nut so that pinch roller pressure is 1 4 kg NOTE To measure pinch roller pressure pull the pinch roller away from capstan with a spring gauge and gently return Spring Gauge indi cation at the time the pinch roller contacts the capstan and the capstan begins to rotate should be 1 4 kg CAPSTAN SHAFT Fig 4 5 CAPSTAN SHAFT LOOSE PLAY ADJUST MENT Refer to Fig 4 Adjust to obtain a clearance of 0 1 mm between the Capstan Shaft and Thrust Supp
47. RD BOARD ALE RESISTOR 290007 TD 530I 4ED ALL CAPACITORS IN pF SOWV J TD 5301 4ED 13 Es 21414111 GX 630DB SCHEMATIC DIAGRAM SRT PC BOARD 5201 NO 5 2 5016 37A GX 630D DB 595 470 16 Di 1 4004 589 8H Beyer an 42 27 mi iy S gt lt 1 bb bb 8 100 10120 2A gt i 00901000000 eg T CRS 014120 400 25036100 E 2SCI247A B v 220V to240V 1 5 TRI TR3 d 5 39 8 250945 FI Q R2 5 A OV 52 D BRN gt 8 O 3 061009 N BEE 229 OO0l L4KV Z Q OSO 400 9 5 52 gt 06 07 9 I 100V10240V j Sw 011004 5 d 2 0 9 a POWER IN4004 Ba amp olg OF 5v oO FAST 4 5 5 Ki KI oF La de m 129 x o a C3 0 01 1 4KV 2 5 5 gt x _ _ _ LEFT REEL 5 71 r 4 D 24X0 2 0 O 5 5 5 S LA J o 2 x geckeg me TR4 l 9 2SC7HIF NG 2 5 9 100 R4 20W 43 K 3 I gt EENG ee 3 1 l cs 3 x27250wv SS 2 9 TO 8 5 2 6 ot S IRIGET REEL Jl 5 15247 L MOTOR L J O Q
48. SP641024 Lower Side Plate SP641035 Lower Side Plate B 75325495 Tapping Screw 2 3x6 SP641046 Upper Side Plate A SP641057 Upper Side Plate B MZ640877 Supporting Plate ZS417150 Screw pan head 4x6 57529920 Reinforcement Angle A 75432674 Screw pan head 3x3 5 428714 LM Rubber Foot w screw ZW324281 Screw pan head 4x25 ZW419646 Washer SPC D4 5x9 8x0 5t ZS665550 Screw pan head 4x15 w washer 75664345 Screw pan head 4x30 w washer EZ640980 Amp Shield SK638976 Knob 1 C SK634410 Push Button Knob J EF563681 Fuse 1 250 ZS411660 Screw oval countersunk head 3x6 EZ436217 Collar For Jack SK640912 Double Knob Upper SK640923 Double Knob Lower SK640901 Single Knob SK645300 Pinch Roller Cap 75613901 Panel Screw 75312221 Screw truss head 3x15 Black 5 627120 Ventilater ZS392141 Tapping Screw 1 3x8 Truss EW374894 Cord 3M EW516600 AC Cord VM 0065 CEE EW524845 AC Cord 2 5M JPN Schematic No TE 6021 6020 LE 6024 TE 6013 TE 6013 TE 6014 TE 6014 TE 6016 ND 6003 LM 404 TE 6018 CP 5018 91 5051 39 1 50 MC 5006 6011 TE 6012 TE 6010 TD 6013 CW 6031 MY 6014 26 3 19 26 3 28 26 3 31 Q ty e LA m P 00 Whe QOO ra NN G 3 41 20 LIST OF INTERCHANGEABLE SEMICONDUCTORS As far as service in concerned in case the original parts cannot be obtained the interchangeable parts listed below can b
49. SPEED SWITCH 2 e w e 8 PC BOARD 5001 d NES 56 IOV R4O V2W 24K 2 130 a 42 8 5 Zei 028 03 TE e L BRN FROM LINE iNPUT WHT R3 33 xi 4 We zi X lt ern JACK J R39 29 BE rd pos zm RE 5 W e g e ORG We cee R36 470 h gt 3 R35 4 7K 29 33 28 Ka 27 2 OO E d e 13 XE 01 204 1833 VLT WHT WHT 247 TR7 EE eit GRY _ SSE RTS C24b 0 01 R34b 10K Hite VUT WHT C205 100 25 ip 6 C22b 10 25 R33b 390 z e Me M 299 mcos ADU ES R3SD ote e ree _ _ ORY TO SRT BOARD WHY T0 5201 e R28b IK u Soe E VRgb 6 R 2b TR5b Reo t BLK CiBb 47 63 MS R25b 27K S A REC LEVEL In R29b 27K 215 10 16 n RED VLT uS d es o Ri Cen 0 paf TO MONITOR SWITCH e 22 WHAT R2 b LBK TR4b 5 CI9b 0 056 Cl2b 47 25 _ CI7b 10 16 Ci5b IOOP R27b 1 2K ORG WHT _ mcdia TA eut 380 Ci4b 22P7500 24 5 220K 5 RI5b 120K vu R26b 3 3K Q 8195 220 Ci3b 47 6 3 6 0082 re e me ei 82K Ri3b 47K RI6b 8 2K RIBb 270 ei Riad 8125 47K C5b 100 6 3 6 WHT RED FROM LINE INPUT Rap 680 R b 150K C4b 100P Rib Qe c J
50. SUPPLY CONNECTOR PANEL BLOCK 34 MECH ASSEMBLY BLOCK 35 BOARD MY 5017 37 OSC P C BOARD MY 5016 BLOCK 37 DOLBY P C BOARD TD 5301 BLOCK 37 SRT P C BOARD TD 5201 BLOCK 38 SYS CON P C BOARD 2001 BLOCK 38 SERVO P C BOARD MY 2036 BLOCK 38 RELAY P C BOARD TE2002 BLOCK 38 REC MODE P C BOARD TE 5003 BLOCK 39 SPEED SWITCH P C BOARD 5001 BLOCK 39 AMP ASSEMBLY BLOCK 40 FINAL ASSEMBLY BLOCK 41 Some of the parts in this parts list are only available as a complete assembly and can not be supplied as individual parts 25 E v ILLUSTRATION OF HEAD BLOCK 1 m N 27 13 4 20 v QM _ 99 LM A N When ordering parts please describe Parts Number Serial Number and Model Number in detail 26 E 1 HEAD BLOCK Ref No 1 1x 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10x 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23x 1 24 1 25 1 26 1 27 1 28 Parts No BH638008 HZ643544 HZ645298 HZ803597 25537006 578957 HZ532710 26466312 ZW273835 2 273745 529233 ZW273914 HZ5 32732 15562432
51. ding Prop Screw pan head 4x12 Adjust Washer U D4x13x0 2t Adjust Washer U D4x13x0 St Adjust Washer U D4x13x1 2t Adjust Washer U D4x13x1 6t Coil End Shield Plate Schematic CA No Q ty KJ MY NE TE KJ 7009 KJ 7022 KJ 7023 KJ MY NE TE TE 7008 KJ 7024 KJ 7029 KJ 7025 MY 7001 N D N e ee N N 27 2 ILLUSTRATION OF MAIN MOTOR BLOCK 28 er STE E TERI a cio gt wan 3 ILLUSTRATION OF REEL MOTOR REEL TABLE BLOCK Ref No 3 1 19 3 2 3 3 3 4 3 5 16 3 6x 3 7x 3 8 3 9x 3 10 3 11 3 12 3 13 3 14 3 15 3 16 3 17 3 18 3 19 3 20 3 21 14 19 12 18 Parts Description REEL MOTOR BLOCK BM587518 Reel Motor Block 24XO TD Comp TD TE TY MV408510 Bearing 608VVMC2ERAV2L MZ248185 Bearing Retainer 3R 758 ZW260278 Washer Nylon D8 1x13x0 5t ZW270156 E Ring 6M 6 1 9 REEL TABLE BLOCK BR587542 Reel Table Block Left TD TE BR587553 Reel Table Block Right TD TE MT577473 Brake Drum Left B MR 216 MZ576538 Brake Drum Light B MR 216 MT436860 Brake Cloth Comp MR 269 MT317485 U Metal Fitting MR 218 26317496 Felt Tension Spring MR 260 MT534666 Reel Table TW 2031 MT534677 Reel Clamper TW 2032 MS342000 Reel Shaft 3R 108 ZG540617 Clamp Spring TW 2096 MT534688 Reel Table Rubber TW 2033 ZS413785 Screw binding head 3x12 ZW270088 E Ring 1 9M 6 1 9 ZW562476 Earth Lug 25435273 Screw binding Head 4x1
52. e substituted 42 Original Parts Interchangeable Parts Description Parts No Utilizing P C Board Parts No 2SA564 Q ET350335 MY 2036 2SA733 Q R ET538378 TD 5301 2SA628 D E ET538110 2SA640 E F ET 623790 2SC458 ET329218 TD 5301 2SC458LG C ET234854 2SC693U F ET315472 2SC458LG C ET234854 MY 5016 2SC693U F ET315472 MY 5017 25 1312 G H ET610413 TD 5301 2SC1312S ET603257 2SC711 F G ET398777 TE 2001 2SC536 E F ET370607 TE 2002 2SC945 E F ET 398711 2SC945L Q P ET639437 MY 2036 2SC711 E F ET45 3486 MY 5016 2SC 1647 R S E ET623733 MY 5017 2SC1641 ET603843 TE 2001 TE 2002 25 1247 B V 511920 2001 2SC1211 D E ET511694 TE 2002 2SD361 D E ET537000 TE 2002 250361 01 02 ET623867 2SC1061 B C ET 375603 25 1449 K L H ET635815 47 621775 48 621786 1N34A ED219464 MY 5017 ED428264 1N4001 ED511097 TE 2002 10005 ED494583 191588 ED557447 MY 2036 152473 ED624903 WG599 ED514721 152473 ED560913 152473 ED624903 TD 5301 151588 557447 152473 ED560913 TE 2001 WG599 ED514721 2002 WG713 ED515790 Parts BAS88003 BA622732 BA637964 BA638021 BA647684 647717 BA647763 BA647842 BA647796 BA651667 BC640978 BC647673 BH638008 1637931 BJ6
53. ematic No 9 1 43 TE 2011 TD 1018 TD 1050 TD 1049 TD 1048 6 1 1 TD 1051 25 17 KD 2050 TD 1028 TD 1055 TD 1030 XR 140 TD 2078 TE 1006 TD 1025 TE 1005 TD 1029 TE 2012 TE 2013 TD 1044 6 1 9 6 1 9 MR 116 ND 1022 TW 1058 TD 1034 Washer Nylon D6 2x10x0 5t Washer D6 2x10x0 1t Pinch Roller Screw Screw pan head 3x5 Screw pan head 3x4 Knob 1 C TW 1042 CP 5018 m Nom bet e x w w w w Feat Fei m Fa Fa sl 9 BOARD MY 5017 BLOCK Symbol No 9 1 9 TR1to4 9 TR5 6 9 D1 9 D2 9 L1 9 T1 9 9 VR2 9 VR3 9 C8 9 C9 10 9 C11 9 C12 9 C13 9 C14 9 C15 9 16 9 17 9 18 9 19 9 20 9 21 9 22 10 Symbol No 10 TR 1 2 10 TR3 4 10 5 6 7 10 11 10 12 10 10 2 10 39 10 40 10 10 2 10 C3 10 C4 10 C5 10 C6 7 10 C8 10 C9 10 C10 10 C11 10 C12 10 C13 10 C14 10 C15 Parts No Description Q ty BA622732 P B P C Board Comp MY 5017 1 ET234854 Transistor 28C458LG C 8 ET639437 Transistor 2SC945L Q P 4 EDS70475 Zener Diode WZ 075 2 ED219464 Germanium Diode 1 34 2 EO496361 Inductor 6070GE 23MH J 2 BT517274 Headphone Trans 16 5355 2 EV464220 Semi fixed Vol V8K4 1 50 kB 2 EV622056 Co axial 2 throw Vol V24L5GPHN B10kx2 1 EV464196 Semi fixed Vol V8K4 1 2 kB 2 Capacitor Vertical Type EC220678 Elect
54. ent 2 3721 Maximum output both channels ips Test Tape Adjustment Playback Head Gap Alignment Adjustment Adjust head gap surface so that there is no change in output level when tension is applied to the supply reel side 8 000 Hz 3 3 4 ips Test Tape Recording Head Azimuth Alignment ins Sg Maximum output both channels Adjustment Recording Head SCOTCH 211 Tape Adjust head gap surface so that there is Gap Alignment 15 000 Hz 20 dBm REC J no change in output level when tension Adjustment i is applied to the supply reel side Chart 1 11 VI AMPLIFIER SYSTEM ADJUSTMENT 1 D C POWER SUPPLY VOLTAGE ADJUSTMENT Refer to Fig 11 ADJUST TO 24V RELAY PC BOARD TE 2002 Fig 11 D VR 2 30KB ADJUST TO m 20 1 7 1 2 1 5 41 0 VR 2 3 3 4ips 15 9 SERVO BOARD 2036 Fig 12 12 GX 630D AMPLIFIER ADJUSTMENT Model Refer to Fig 13 3 RECORDING AND PLAYBACK LES e Anak we 1 1 ene amp i 5 E E 4 UI Te 347 VR 2b IOKB a5 9 4 t eu amp 68 4 E E 23113 ur i e Qt I 5 amp dii hag VR 2 IOKB WU PM 4 Et s 1112 r3 i 2 ES VR I 13 Fig 13 Fig
55. hm Oscillator Coil Between 4 6 0 7 ohm Between 7 9 8 2 ohm Erase Head Recording Head Playback Head Chart 4 NOTE The resistance values shown in this chart are average values 16 CLASSIFICATIONS VARIOUS BOARDS 1 BOARD INTERCHANGEABILITY CHART P C Board GX 630D GX 630DB Sys Con P C Board TE 2001 TE 2001 Relay P C Board TE 2002 TE 2002 Speed Switch P C Board TE 5001 TE 5001 Rec Mode P C Board TE 5003 TE 5003 SRT P C Board TD 5201 TD 5201 Dolby P C Board TD 5301 4ED Servo P C Board MY 2036 2ED MY 2036 2ED Rec amp Osc Amp P C Board MY 5016 3ED MY 5016 3ED P B Amp P C Board 5017 2ED MY 5017 2ED Transistor P C Board KJ 2049 KJ 2049 Jack Plate P C Board LE 5622 LE 5622 NOTE Mark not interchangeable 2 COMPOSITE VIEWS OF VARIOUS P C BOARDS 1 CYSCON P C BOARD TE 2001 TO REMOTE 6 amp 0 TENSION MICRO GRY m n 34 2 2 o o 5 5 5 s a 2 3 M N N 9 818 8 8 8 8 5 L2K 56K 6 R5 36K 36k ONP OZ V R26 1 2K 9 9 LA 9 V FWO REC nen 4 TR 2SC945LUO P oe e A 9 TR8 2 Ri2 56 R23 i 12 SV FWD REC 56 d DI 152473 R4 36K RI IK RIS 5 6K 152 m IER O 4VtREC e e 3 12 2 R24 SGK RT iK
56. hown in photographs Reassemble in reverse order KR x MECH PANEL SCREWS MECH AMP BLOCK ARRANGEMENT OF PRINCIPAL PARTS IMPEDANCE ROLLER REEL SIZE SW 3 TAPE SPEED SW 2 POWER 5 REEL SIZE SW 4 MONITOR SW I RIGHT REEL MOTOR 24XO TD SERVO P C BOARD MY 2036 MAIN MOTOR SCM2 24KJ SYS CON BOARD TE 2001 REC AMP P C BOARD MY 5016 BRAKE HOLD MICRO SWITCH SW 8 SW 9 BRAKE SOLENOID SL 2 PINCH ROLLOR SOLENOID SL 1 HEAD BLOCK TENSION MICRO SWITCH SW 7 PAUSE MICRO SWITCH SW 5 PUSH BUTTON PAUSE MICRO SWITCH SW 6 LEFT REEL MOTOR 24 0 TD RELAY BOARD TE 2002 RC BOARD MY 5017 IV MECHANISM ADJUSTMENT SPRING RACK MICRO SWITCH SW 8 SW 9 BRAKE LEVER SPRING BRAKE BAND LEVER BRAKE BAND SUPPORT BRAKE BAND SUPPORT BRAKE SOLENOID 51 2 BRAKE BAND LEVER BRAKE BAND GUIDE Fig 2 1 POSITION ADJUSTMENT OF BRAKE SOLENOID SL 2 Refer to Figs 1 2 1 Adjust left right Brake Band Support positions so that at stop mode Brake Lever A and Brake Lever B display 180 angle relativity 2 Under the conditions described in 1 above adjust installation angle position of Microswitches SW 8 and SW 9 so that the clearance between the brake lever and brake band lever is 1 5 mm 3 Adjust installation position of the Brake Solenoid so that at playback mode the brake band sepa rates from the brake drum 2 BRAKE TE
57. ips 30 to 18 000 Hz 3 dB at 3 3 4 ips HARMONIC DISTORTION Less than 0 5 TOTAL HARMONIC DISTORTION Less than 1 5 DEER SIGNAL TO NOISE RATIO Better than 50 dB BEN 1 TOTAL SIGNAL NOISE RATIO Better than 47 dB m OUTPUT LINE 0 775 0dBm gt 1 0 dB HEADPHONE 30 mV at 8 ohm At playback of a 700 Hz 0 VU pre recorded test tape Output Volume at maximum INPUT MIC More than0 25mV 10kohm LINE More than 70 mV 150 k ohm At 0 VU output Recording Volume at maximum DIN INPUT OUTPUT 0 25 mV 0 5V RECORDING PLAYBACK LEVEL 0 775 048 1 5 CROSS TALK Better than 45 dB stereo Better than 55 dB monaural ERASE RATIO Better than 70 dB MEM RECORDING BIAS FREQUENCY 100 kHz 5 BIAS LEAK Better than 30 dB GX 630D Better than 50 dB GX 630DB HIGH FREQUENCY DEVIATION Within 3 dB At playback of 8 000 Hz 3 3 4 ips pre recorded tape at 7 1 2 ips RECORDING TIME 180 min stereo recording at 7 1 2 ips using a 3 600 ft tape F FWD AND RWD TIME Approximately 2 min and 40 sec at 50 Hz using a 3 600 ft tape MOTOR MAIN MOTOR 2 speed AC servo control outer rotor motor Type SCM2 24K J 4 pole Revolutions 615 rpm at 7 1 2 ips 19 cm sec 307 5 rpm at 3 3 4 ips 9 5 cm sec REEL MOTOR 6 pole eddy current outer rotor motor 24XO TD Revolutions 930 rpm at 50 Hz 1 120 rpm at 60 Hz
58. lby circuit adjustment Disconnect the wire connected to input and output terminals A and B connect and audio frequency oscillator to terminal A and connect high sensi tivity VTVM to terminal B Turn semi fixed resistor VRI 1 kB and VR2 5 kB fully clockwise and ground test points T P 1 Set Dolby Switch to OFF position and supply a 5 kHz 10 dBm signal which has been verified with a frequency counter from the audio frequency oscillator Confirm that the high sensitivity VTVM indication at this time is O dBm Next lower the oscillator output by 22 5 dB and confirm that the high sensitivity VTVM indication is 22 5 dB 2 Set Dolby Switch to ON position and at this time adjust semi fixed resistor VR1 1 kB to obtain a 32 5 dB high sensitivity VTVM indication Next disconnect ground wire from test points T P and adjust semi fixed resistor VR 2 5 kB to obtain a 30 5 dBm indication Dolby is a trademark of Dolby Laboratories Inc Under License from Dolby Laboratories Inc 15 Vil D C RESISTANCE OF VARIOUS COILS Between BLU RED 100 ohm Between YLW GRN 180 ohm Pick up Coil 635 ohm Main Motor SCM224KJ Between RED BLU 72 ohm Pinch Roller Solenoid 1660 THT3 700 ohm Brake Solenoid 1240 PHT3 900 ohm MY4 02 US 24DC 700 ohm LC1 C J1DC 24V 1 150 ohm Relay TECK 36 1 000 ohm Headphone Output 16 5358 Primary 565 ohm 15 Transformer Secondary 0 95 ohm x 15 Between 1 3 0 3 o
59. nal B 1 Turn semi fixed resistors 1kB and VR2 5 fully clockwise Fig 15 2 Ground test points T P Fig 15 3 Set Dolby Switch to OFF position 4 Supply a 5 kHz 10 dBm signal which has been verified with a frequency counter from the audio frequency oscillator and confirm that at this time the indication of the high sensitivity VTVM con nected to terminal B is O dBm 5 Reduce the output of the audio frequency oscil lator by 30 5 dB from the condition outlined in item 1 4 S kHz 40 5 dB and at this time confirm that the indication of the high sensitivity VTVM connected to terminal B is 30 5 dB 6 Set Dolby Switch to ON position and adjust semi fixed resistor 1 kB to obtain a 20 5 dBm indication on the high sensitivity VTVM connected terminal B 7 Disconnect ground wire from test point T P grounded in item 1 2 and at this time adjust semi fixed resistor VR2 5 kB to obtain a 22 5 dBm indication on the high sensitivity VTVM connected to terminal B Fig 15 NOTE Identical P C Boards are utilized for Record ing Dolby N R and Playback Dolby N R The Recording Dolby N R P C Board is located on the Recording Amp P C Board and the Playback Dolby N R P C Board is located on the Playback Amp P C Board Adjust left and right channels respectively PART 2 PLAYBACK DOLBY N R CIRCUIT ADJUSTMENT This adjustment is carried out in essentially the same way as the recording Do
60. ort Angle IMPEDANCE ROLLER 6 IMPEDANCE ROLLER LOOSE PLAY AD Fig 5 JUSTMENT Refer to Fig 5 Adjust Screws A and B so that impedance roller loose play is 0 1 mm NOTE Confirm that the screws are tight following this adjustment GN GUIDE 22 TENSION ARM ADJUSTMENT WASHER ADJUSTMENT WASHER 22 X LOWER THE GUIDE DOWN A LITTLE X LIFT THE GUIDE UP A LITTLE Fig 6 TAPE GUIDE ADJUSTMENT WASHER 0 11 2222222222222222222220222222222222272222222222222222222222222 lt 22 2 22 24 Fig 7 7 TAPE GUIDE HEIGHT ADJUSTMENT Refer to Figs 6 7 Adjust tape guide height so that the tape does not curl between the tape guide and guides on head base NOTE As left and right tape guide height adjust ment methods are different be sure to refer to Figs 6 and 7 FIXATION SCREW REEL TABLE REEL Fig 8 ex SPEED Se 3 3 4 172 Fig 9 8 REEL TABLE HEIGHT ADJUSTMENT 9 INSTALLATION POSITION ADJUSTMENT Refer to Fig 8 OF JOINT B Refer to Fig 9 Load a tape and adjust reel table height so that at Adjust installation position of Joint B so that when both F FWD and RWD modes the tape winds on the tape speed is changed Slide Switch SW 2 and center of the reel hub Equalizer Change Slide Switch SW 2 mounted on the NOTE Tape should wind on center of reel hub amplifier front chassis display link motion for pro
61. per regardless of type reel used switching V HEAD ADJUSTMENT NOTES 1 ON 2 33 4151 ERASE HEAD RECORDING HEAD PLAYBACK HEAD E4 260 R4 200 P4 202 As perfect head adjustments are vital to tape deck performance be sure that these adjustments are carried out properly Be careful not to use a magnetized driver or other magnetized tools in the vicinity of the heads Use only new tape as level variation is likely to occur when using old tape Demagnetize heads with head demagnetizer before and after head adjustment Set tape speed to 7 1 2 ips except in steps 7 and 8 Refer to Fig 10 Test Tape Adjustment Adjustment Item Supply Signal MODE Point Remarks Tape Guide Tape Guide height Optional PLAY Height Adjust so that tape does not twist Adjustment Adjustment between tape guides on head base Nut Erase Head Upper edge of channel 1 head core is 0 1 Optional PLAY Height Adjustment P AXBXC mm higher than upper edge of tape Recording Head Upper edges of channel 1 head core and Optional PLAY Height Adjustment pum D E F tape are the same height Playback Head Upper edges of channel 1 head core and Optional PLAY Height Adjustment pon OMD tape are the same height Playback Head e 8 000 Hz 3 3 4 Azimuth Alignm
62. ts No Description Schematic POWER SUPPLY BLOCK 7 26x EJ654221 Lug Plate KPL4L 7 1 BT640517 Power Trans TET 1 38 4 354 1 CEE CSA JPN 33 3 26 1 7 2 BT661858 Power Trans 5 38 4 389 1 7 27 7 273881 Earth Lug CEE 1 7 3x BT661926 Power Trans TET 4 CSA 38 4 388 1 7 28 75417150 Screw pan head 4x6 CEE 1 7 4 661904 Power Trans TET 3 JPN 38 4 387 1 7 29 7 413188 Nut M4 CEE 1 7 5 ZW510827 Tapping Screw 2 4x6 BR 4 7 30 ZW273892 Toothed Lock Washer 4 7 6x 175413201 Screw pan head 4x8 1 CSA JPN 4 7 31 553948 Wire Band 2 35 3 2 7 7 ZW273892 Toothed Lock Washer M4 7 32x EJ510333 Wire Clip 220 JD481610 0104 CEE 4 Nylon 2 7 17 1 7 8x ZW413188 Nut M4 CSA JPN 4 7 33 EJ233370 Socket Volt Selector 7 9x ZW273914 Spring Washer M4 CSA JPN 4 S 18010 10 23 1 7 10 593763 MP C 3 5 1 5uF 150WV 7 34x 7654208 Fuse Holder TE CEE JPN 40 1 74 1 LUG Type Uni D 24 9 88 1 7 35x EZ655198 Fuse Holder 5P Base CSA 40 1 7 1 7 11 661882 SuF 150WV 7 36x MZ583198 Fuse Angle TD Lug Type Uni D CEE 24 9 111 1 TD 1067 2 7 12 ZS325495 Tapping Screw 2 3x6 13 7 37 75379350 ISO Screw pan head 3x6 7 13 ECS20626 3 1 uFx2 250WV AC CEE CSA JPN 2 Lug Type Uni D 24 9 74 1 7 38 623114 Fuse SEMKO T 7 14 EC641136 MP C 4 4 uF 250WV 200 1200 CEE 39 153 1 Lug Type

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