Sanyo GCD2000, Service Manual

Page 1: ...annel stereo 44 1 kHz 8 x Over sampling Two 16 bit linear D A converters Optical 3 beam semiconductor laser 20 20 000 Hz 96 dB 0 04 1 kHz Undetectable Specification sui ject to change without notice ___ PRODUCT CODE 129 385 04 Amplifier section Output power Max 3 5w x distortion 2 at 8 ohms 107o Input sensitivity impedance VIDEO 300mV 50k ohms Graphic equalizer f6 dB 100 tiz 1 kHz 10 kHz Bass expa...

Page 2: ... lens clean it away by using an air brush such as used for a camera lens The lens is held in place by a spring If the center of the lens is dirty carefully clean it using cotton swab moistened with isopropylalcohol Since special coating is made on the surface of the lens which is made of plastics do not use other kind of alcohol and cleaning fluid to prevent damage to the lens Also be careful not ...

Page 3: ...tage is below 8 5V L2102 L2 103 I I90 OMHZ TP211 H VTVM TP233 L TP212 E Oscilloscope TP234 R TP235 E FM SG about 8dB AF output maximum 3 TRACKING F CT201 T2202 IDigital Voltmeter TP203 H TP204 E OV tO 05V See note H 4 Ov 5 Vco 98 OMHZ FM SG 66dB SVR23 19 KHz k 50Hz See note L R R L Minimum e 6 SEPARATION DEV MAIN f40kHz Confirm stereo indicator lights up Stereo 7 Sensitivity 98 OMHZ FM SG Note Con...

Page 4: ...TCW 211 etc 1500 Hz into the DECK 1 tape C 60 Blank tape into the DECK 2 REC button of DECK 2 and press the DECK 1 2 button FWD PLAY button Both mechanism become normal speed dubbing high speed test pin to the high speed position 2 Press the FWD PLAY button 3 Adjust SVR401 so that a frequency ounter reading of 3000 t 5 HZ obtained 4 Press the 5 Insert the 6 Insert the 7 Press the Press the 8 Short...

Page 5: ...ROWN PINK PINK RED FROM 6P CONNECTOR BROWN FROM 9P CONNECTOR FROM 9P CONNECTOR BLACK APPLVCEMEDINETOFIX APPLVCEMEOiNETO FIX HOW TO CD PICKUP f f 1 L 4 3 a2F SHORT L 4 3 z 16 I OPEN CD MECHANISM DESCRIPTION 1 Sensor Switches of CD Mechanism 1 2 PHOTO SENSOR PSOI 1 PSOO1 Detection stop of DISC TABLE position for reduce of DISC speed and music No SWITCHES SWI with PICKUP Mechanism Detect limit positi...

Page 6: ...illustration has passed the next slit is not encountered for more than 70 msec the next slit is detected and used as the stop position If the turntable is rotating too slowly t2 70 msec the slits between and e mistaken for stop positions The base mechanism will rise at these positions and bump into the turntable When the base mechanism is rising or lowering the motor stops when switch 3 is not on ...

Page 7: ...d of the sub chassis 21 disengage the parts and of the slide 45 that they had been linked to This frees the sub chassis 21 so that it can move downward Figure 2 AS shown in Figure 2 one of the gears 28 is equipped with a cam One boss of the sub chassis 21 en9a9es it while the second boss provide rotating support for the p anel fdp See 82 in CD Turntable Exploded V ew Therefore when the gear 28 rot...

Page 8: ...er 39 s 37 35 1 1 Y l 31 Figure 4 2 POWER ON When AC Cord is First Plugged In Refer to Figures 1 5 Basic operations The turntable rotates to the disc number 1 po ion d check stet a stet the base mechanism takes figure 5 1 2 place If the switch SW3 is not on The spindle of the motor 39 rotates counterclockwise lowering the sub chassis 21 When the switch SW3 turns on the rotational direction of the ...

Page 9: ...Type No MOLYKOTE EM 50L Attsr Insert gear lever and special waskf SPPIY ip o MC grease EM 50L to 1 3 length portion of shaft APPLY SANGREASE WASHER t SG 7 APPLY MC GREASE EMSOL GEAR LEVER VIEW A APPLY MC GREASE EM50L GEAR ALL AROUND I 1 1 LY SANGREASE SG 7 I r l After Lever Note After inserting the gear lever and the special washer into the shaft apply MC Grease EM50L to the upper 1 3 of the shaft...

Page 10: ...3 CD Mechanism Block B APPLY SANGREASE SG 7 7 I r APPLY FLOIL OIL 949P LITTLE 4 CD Mechanism Block C APPLY MOLYKOTEEM 50L GEARALLAROUNO 5 CD Mechanism Lead Retainer r pyu L_7 I ORANGE I 0 x 9 ...

Page 11: ...key to exit this mode and return to the KEY DISPLAY KEY 1 I TU BAND I REC IIPLAYIPAUSE TU MEMORY I TIMER It STOP TWMODE x TUNING UP SLEEP TUNINGIDOWN CONT VOUUP TIME i E F CD REPEAT REPEAT II DISC 1 to Table 1 normal mode 1 DISPLAY a DISC TRACK ALL SIDE B RANDOM H 1 OF CALENDAR I KEY I DISPLAY I DISC 5 5 OF CALENDAR EDIT EDIT PHONO 12 OF CALENDAR CD 13 OF CALENDAR TUNER I 14 OF CALENDAR I TAPE 15 ...

Page 12: ...search has been begun Waiting for focusing I 73 I L oint access REV16 track jump I I 74 I L point access FWD16 track jump I Focusinq I 75 L point access REV1 track jump 76 I L point access has been completed 04 05 Spindle kick is in progress Both CLV and tracking are ON I 80 Pausing has begun J 06 Both CLV and trackin are ON I 83 Pause REV16 t ack jump 1 0 22 FOCUSsearch has been completed success...

Page 13: ...or more 8 AC Voltage Meter Notes a b c 1 Initial The adjustments can be using the equipment produced by other manufactures provided that the performance of that equipment corresponds to that of the above listed models Use a 10 1 probe for observing signals on the oscilloscope and storage scope Test disc is subject change without notice _ _ set 1 Set the SVRI 1 to the mechanical center position as ...

Page 14: ...d pass fiiler See BPF Figure Turn on the power of the unit Playback the test disc 4 Set the output of AF oscillator to 400 Hz 0 5V rms and connect to pin 24 IC1 01 through the resistor 120k ohms 5 Confirm so that the voltage of the F E signal waveform on the storage scope is 0 5V p p t 3db by through BPF If this CONFIRMATION is imperfect become weak the mechanical shock inferior playability and ca...

Page 15: ...ETY LASER CLASS Description CABINET OTTOM ASSY FOOT PANEL REAR PROD SINGAPORE PANEL REAR PROD MALAYSIA FIXER AC CORO HINGE COVER DUST ASSY PANEL FRONT ASSY PANEL ASSY LID CASSETTE ASSY LID CASSETTE WINDOW EQ WINDOW VOL WINDOW FUNCTION PANEL SIDE L PANEL SIDE tl CUSHION HINGE GEAR ASSY SPRING WIRE LID CASSETTE BRACKET MECHA KNOB BRACKET E FRONT SIOE R BRACKET E FRONT SIDE L SHEET CD PANEL TOP BRACK...

Page 16: ...3 IC UPD75306GF 225 3B9 IC BU4051B Ic TC9153AP IC LA6458S IC BU4051B IC NJM78L05A IC LB1403N FILTER LCD LAMP 12V 70MA Ref No L252 4401 4402 4410 4411 J4412 24413 24414 4415 24417 24418 24419 24420 24421 24422 24423 24501 j4502 24601 24602 S2501 S2502 S2503 S2504 S2505 S2506 S2507 S2508 S2509 S251O S2511 S2512 s25i3 S2514 S2515 S2516 S2517 S2518 S4402 S4403 S4404 S4405 S4406 S4407 VR501 VR 302 VR50...

Page 17: ...EXPLODED VIEW CABINET Y1 Y1 r v Y1 2 5 ...

Page 18: ... 9 LODED VIEW CHASSIS 17 ...

Page 19: ...Dr 405 000 0904 TR DTA1143 2451 405 114 1804 TR 2SC18K 5 L GR r 405 114 1903 TR 2SC1815 L Y J2452 405 114 1903 TR 2SC18E6 L Y r 405 114 1804 TR 2SC18SJ5 L GR J2461 405 012 2002 TR 2SC18E5 GR r 405 020 7204 TR 2SC94 K j2702 405 016 2206 TR 2SC28 3 A r 405 016 2305 TR 2SC287 B j2802 405 016 2206 TR 2SC28 18 A r 405 016 2305 TR 2SC287 B 2901 405 012 2002 TR 2SC183 6 GR r 405 020 7204 TR 2SC94 i K 324...

Page 20: ...the power cord then connect the power cord and resume operation i I Base mechanism stop I Poor sound quality Dirty heads pinch roller or IClean the tape path during playback capstans I Turntable high speed I Record mode does The guard tabs have been Place tape over the guard tabs not operate removed from the cassette Photo sensor input WHAT TO DOFF If the operation of the unit or display is not no...

Page 21: ...EXPLODED VIEW CD TURNTABLE MECHANISM 1 I 9 68 I I 36 k 35 v 24 24 9 22 23 45 ...

Page 22: ...41 614 228 3257 BELT SQUARE LOADING 42 614 243 7469 ASSY PCB MOTOR 614 017 3826 PLUG FROM SENSOR 614 017 3826 PLUG FROM SW 614 017 3857 PiAJG TO MAIN PCB 43 412 032 6408 SPECIAL SCI_iEW SUB CHASSIS FIX 44 614 240 9459 LEVER LOCK LEVER 45 614 240 2887 SLIDE LOCK SLIDE 46 614 234 1407 SPRING TENS FOR LOCK SLIDE 47 614 230 1692 SPRING PLATE FOR CUM GEAR 48 614 243 9531 ASSY PCB SWITCH 614 243 9951 AS...

Page 23: ...ii EXPLODED VIEW TAPE MECHANISM M2 3 M I IM22 8 M77 MIOO e M78 q M34 M65 4 M75 t M27 M29 4 qq M 5 1 y_M38 M 30 l Ml M23 62 M53 I II I s Ivlts Mb I c M71 M52 q M53 24 ...

Page 24: ... PANEL SLIDE HEAD PANEL IRACKET TAPE GUIOE HEAD IASE IRACKET HEAD HEAD PANEL SPRING WIRE PANEL P SPRING SPRING WIRE M CONTROL SP PRING COIL PLAY BUTTON EVER S P S SPRING COIL EH SPRING 5PRING COIL AZIMUTH SPRING EVER PINCH ROLLER ASSY EVER SENSING LEVER UJLLEY ASSY R F PULLEY ASSi SQUARE BELT F R BELT FLYWHEEL DISK ASSY F W kssY FLYWHEEL DISK ASSY F W 4SSY SPRING PLATE GEAR PLATE SP LEVER ASSY GEA...

Page 25: ... V2C MPXIN SEPARATION IC203 LM7001 Electronic Tuning Direct PLLFrequency Synthesizer RETERENCE DIvIDER FMIN I PWOGRAMABLEDIVIWR AMIN I t SHIFT REGISTER LATCH I 1 CL DATA I i POI S_7t t CLCCK cWTIW LER 140 z PD2 XIN xOUT XTAL DSC 7 2 4 2 FMIN AMIN LCIXL OSCILLATIDN SIGNAL IWUT CD CL DATA DATA IWUT 601 602 BD3 BANI DATA DUTPUT VW I VW2 VSS PUWER WY VCX12 IS BACK W BATTERY PD I PD2 CHARG W wTPUT vDD ...

Page 26: ...o Tuning Signal ACTIVE HIGH LEVEL o TUNER 18 NC S29 BP5 Not Used Open o OPEN 19 NC S301BP6 Not Used Open o OPEN 20 NC S31 8P7 Not Used Open o OPEN 21 COM O COMO Common of Liquid Crystal Display LCD 22 COM 1 COM1 Common of Liquid Crystal Display LCD 23 COM 2 COM2 Common of Liquid Crystal Display LCD 24 COM 3 COM3 Common of Liquid Crystal Display LCD 25 BIAS 81AS Bias of Liquid Crystal Display 26 VL...

Page 27: ...58 xl X tal In 4 194304 MHz i I I 59 x2 X tal Out 4 194304 MHz o 60 S4 12H 24H P60 KRo Select Signal for CLOCK 24H Open 12H V s I 61 S5 AM IF P61 KR1 Select Signal for AM IF SET Open NOT VJ I TUNER 62 S6 D S P62 KR2 Select Signal for D S Series SET Open NOT V J I 63 D MONO P63 KR3 Compulsion Monaural For D Series ACTIVE HIGH LEVEL o TUNER 64 D DO P701KR4 Data Signal from LM7001 For D Series o TUNE...

Page 28: ... 1 02 01 gage 02102 TLiNERJ rxQO1 x Q 2SC1923Y I 12202 T T I 330 T 0 01 i I I I I uA U ANT 1 I E 8 C 8 rw 1 am 7W t C27C 47CF I 1 2 9 I ro 1C4 6 LU 0 CT J242 J R2dt 3 5 L I sFL _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

Page 29: ... Ii rf 1 CN252 2 iCN251 i 21UI I 1 ...

Page 30: ...i MLLGC 1 m m I L P g rr II 1 r t 1 1 1 1 h 1 I II lIF r E I I 1 Ill r 1 1111 i I I I 1111 Iml c I I I 11 1111 Ill K I L 111 1 L i war I ...

Page 31: ... o c o I o 0 I I A I w u I 0 0 ...

Page 32: ..._ _ _ _ _ _ _ _ _ 1 I TO CD S C cN oa n c c lm W c OK A 3 D 8 l CN602 w I I I II 1 l r I 1 f 1 I Un m 7 I v 1 I 11111 1 I I I I Il uJM r l Illllw li3 H I k I I h 1111 ti c l 7 L I 1 A I I t I 0 1 p ch 720 I N L I I _ _ _ J lll l w ll If l I L I I ICw I 1 I I l _ B 70 HAI P cH70 37 ...

Page 33: ... I w co I I 1 I 1 X 0 z i u m m ...

Page 34: ...6 1OP Mode x 4 K 2 3 4 8 8 JJ 4 8 0 0 Way Mcde v 2 3 ______ 0 4 9 0 0 0 0 4 8 2 3 23 4 8 4 6 0 4 8 48 0 0 Uea urirq Pm No 17 18 19 20 21 n la 24 22 26 r 28 2r 30 3 32 SIW M 0 4 2 4 8 4 3 0 0 4 9 0 0 K m 4 8 48 4 8 4 2 0 4 U y Mode 0 8 3 4 8 0 0 48 0 0 8 0 3 Uemuri s Pin No 33 34 35 36 5 0 4 3 37 38 39 40 41 42 43 44 4s 46 41 48 S1OP Mcdc 4 3 4 3 S o S o o 0 0 _ S o Play M 4 8 0 4 8 so so 0 0 0 0 0...

Page 35: ...I I 4 ZJ D i if l R IC401 lL T w 2s 0502 P HEAD N4 3A 1 ii g7T n i ll 1 a 1 I I I 1 1 L 1 T 1 11111 II m Wol R P s S402 SIW s A 40TOR TOR A r 5 P L _ _ _ _ _ _ _ _z_ J L _ 0 s SIW w 4 Jq w 0 1 J 11 S TLW SF ...

Page 36: ...ii Mm m I I fw I I I _ _ _ _ _ _ T I I I I 1 r 1 I t 111111 i I L l _ L L _ L 111111 J 1 I I II IJ JA 1 T i ilIl w _ J I rliTl 1 r tl g ZOIN3 i E _ J ...

Page 37: ... Lb 9t7 I I EKLd HMIMS ma N031W aa ...

Page 38: ... ii o Q L r I v II v l lm fL 1 J _ l _ 1 I 1 1 m 2 cml II Ii u i 4 r 4 II II II I I 032 L M s I 1 r L 1t rv I U 94 L_____ A In PY m t 1 w I 1 0 m co r Ca Ln w CY w L ...

Page 39: ...1 I m 0 I 7 n J Mlw m9NdJ2JW E 3H 1NOM4 n XD I I 5 L s09N3 b 9 909N3 L09N2 6 E3d LNOM3 ...

Page 40: ... 0 z E 3 a 1 1 I L i I m Lo 1 I I 4 Ln I ...