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Sharp CD-PC672, Service Manual

The Sharp CD-PC672 is a versatile and high-quality audio system that offers a wide range of features for your music enjoyment. To gain a deeper understanding of its functionality and maximize your experience, we recommend downloading the free Service Manual from manualshive.com, ensuring you have all the necessary information at your fingertips.

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– 33 –

CD-PC672

Figure 33 WIRING SIDE OF P.W.BOARD (2/8)

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IC501 

R515

R514

R519

R142

R140

R146

C140

R145

R141

R423

C563

R513

C546

R510

R433

R429

R472

R471

C440

C439

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R430

CNP501

C442

C441

R520

C551

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C549

R504

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R508

C506

C508

R501

R502

R153

R131

R125

C127

R139

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C131

C111

C113

C112

R122

C114

R136

R138

C132

R134

C120

R124

R112

R106

R166

R104

R105

R103

C106

R102

R115

R101

C101

C102

R123

C119

R121

R135

C139

C147

R126

C105

C107

C108

R108

R109

R107

R110

R167

R168

R162

R164

R113

R114

R619

C621

D102

R158

D101

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Q122

C146

R154

R505

R509

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C542

D516

C532

C540

C527

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Q401

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R486

Q405

D402

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D403

C541

C547

X501

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IC101 

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L104

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CNP102

Q108

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R174

C109

C153

Q109

Q126

C151

R521

R522

C436

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CNP601

R620

C652

JK601 
HEADPHONES

CNP502

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FW601

HEADPHONES
PWB-A4

CNS101

CNS102

TO TAPE 

MACHAISM PWB

P38 4-D

TO TAPE 

MACHAISM PWB

P38 5-D

CNP701

TO DISPLAY PWB

P34 5-A

FFC701

CNP803

TO POWER PWB

P36 1-H

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Summary of Contents for CD-PC672

Page 1: ...OF THE SET For U S A Only CD PC672 In the interests of user safety the set should be restored to its original condition and only parts identical to those specified be used SERVICE MANUAL This document has been published to be used for after sales service only The contents are subject to change without notice SHARP CORPORATION CD PC672 mini component system consisting of CD PC672 main unit CP C672 ...

Page 2: ...utlet Using two clip leads connect a 1 5k ohm 10 watt resistor paralleled by a 0 15µF capacitor in series with all exposed metal cabinet parts and a known earth ground such as conduit or electrical ground connected to earth ground Use a VTVM or VOM with 1000 ohm per volt or higher sensitivity to measure the AC voltage drop across the resistor See diagram Connect the resistor connection to all expo...

Page 3: ...imensions Width 10 5 8 270 mm Height 11 13 16 300 mm Depth 14 1 4 362 mm Weight 17 7 lbs 8 1 kg Amplifier section Output power Front speakers 40 W minimum Except for Canada RMS into 6 ohms from 60 Hz to 20 kHz with no more than 10 total harmonic distortion Output power Front speakers For Canada RMS 80 W 40 W 40 W 10 T H D Center speaker RMS 20 W 10 T H D Rear speaker RMS 20 W total 10 T H D Sub wo...

Page 4: ...w Button 3 TUNER Preset Down Button 3 TAPE 2 Rewind Button 21 CD Track Up Cue Button 3 TUNER Preset Up Button 3 TAPE 2 Fast Forward Button 22 Bypass Button 23 Normal Button 24 Timer Set Indicator 25 Timer Sleep Button 26 Clock Button 27 Power Button 28 Headphone Socket 29 Equalizer Mode Selector Button 30 Dimmer Button 31 Phantom Button 32 Extra Bass Demo Mode Button 33 Volume Control 34 Function ...

Page 5: ...aker Terminals 17 Front Speaker Terminals 18 Sub Woofer Terminals Front speakers 11 Tweeter 12 Woofer 13 Bass Reflex Duct 14 Speaker Wire Centre speaker 15 Full Range Speaker 16 Speaker Wire Rear speaker 17 Full Range Speaker 18 Speaker Wire Sub woofer 19 Woofer 10 Bass Reflex Duct 11 Speaker Wire CP C672 CP SW672 GBOXS0022AWM1 3 2 1 4 5 6 7 8 1 2 3 4 9 10 11 5 6 7 8 GBOXS0023AWM1 ...

Page 6: ...tton 11 Stop Button 12 Play Repeat Button 13 Clear Button 14 Track Down Review Button 15 Random Button 16 Track Up Cue Button 17 Disc Skip Button Tape control section 18 TAPE 1 Play Button 19 TAPE 1 2 Stop Button 20 TAPE 2 Record Pause Button 21 TAPE 2 Rewind Button 22 TAPE 2 Play Button 23 TAPE 2 Fast Forward Button 24 Equalizer Mode Button 25 Function Selector Buttons 26 Power Button 27 Extra Ba...

Page 7: ...f a power failure or when the AC power cord is disconnected the clock display will go out When the AC power supply is restored the clock display will flash on and off to indicate the time when the power failure occurred or when the AC power cord was disconnected CLOCK POWER MEMORY SET TUNING TIME AM 12 00 AM 0 00 0 00 2 3 4 7 6 5 8 9 If this happens follow the procedure below to change the clock t...

Page 8: ...e CA 60 Hz White line Línea blanca Red Rojo Center speaker Altavoz central Turning the power on and off Conexión y desconexión de la alimentación Remote control Controlador remoto POWER POWER 1 5 15 Black Negro Sub woofer Altavoz de subgraves 3 Listening to a CD Audición de discos CD 4 Listening to a tape Audición de una cinta 5 Listening to the radio Audición de la radio 6 Recording from CDs Grab...

Page 9: ...Flat Wire E3 x1 6 Power PWB 1 Screw F1 x4 10 1 2 Socket F2 x4 3 Holder PWB F3 x5 7 Front Panel 1 Screw G1 x2 10 1 8 Display PWB 1 Screw H1 x13 10 2 Switch PWB 2 Support Bracket H2 x1 Headphones PWB 9 Tape Mechanism 1 Open the cassette holder 10 2 2 Screw J1 x6 3 Socket J2 x1 10 Turntable 1 Screw K1 x1 10 3 2 Cover K2 x1 11 Disc Tray 1 Screw L1 x2 10 3 2 Guide L2 x2 12 CD Servo PWB 1 Screw M1 x1 10...

Page 10: ...ray K2 x1 L2 x1 L2 x1 CD Player Unit Washer M1 x1 ø3 x10mm M2 x2 M2 x2 CD Player Unit CD Servo PWB N1 x4 ø3 x12mm P1 x1 ø2 6 x10mm CD Changer Mechanism CD Mechanism Shift Lever CD Player Base Front Panel Display PWB H2 x1 Switch PWB Open Cassette Holder Tape Mechanism H1 x2 ø3x10mm H1 x10 ø3x10mm H1 x1 ø3x10mm J1 x6 ø3x10mm G1 x2 ø3x10mm Headphones PWB J2 x1 F1 x3 ø3x10mm E1 x2 F3 x5 E2 x1 Front P...

Page 11: ...W672 1 Front Speaker 1 Net A1 x1 11 2 2 Duct Panel A2 x1 3 Screw A3 x4 STEP REMOVAL PROCEDURE FIGURE Note The rear speakers and center speaker can be easily disassembled Therefore the disassembling method is not discribed For details refer to the disassembling drawing in the Parts Guide A6 x2 A5 x2 A3 x4 A4 x2 Front Panel A2 x1 Net A1 x1 Screw Driver A3 x4 ø4 x16mm Net A1 x1 A2 x1 Screwdriver Woof...

Page 12: ... Fig 12 2 1 Remove the screws B1 x 2 pcs to remove the shaft B2 2 Remove the stop washer B3 x 1 pc to remove the gear B4 3 Remove the pickup Figure 12 2 REMOVING AND REINSTALLING THE MAIN PARTS CD MECHANISM SECTION Perform steps 1 2 3 and 10 14 of the disassembly method to remove the CD mechanism How to remove the loading motor See Fig 12 1 1 Remove the screws A1 x 2 pcs to remove the loading moto...

Page 13: ...tance withstand voltage is used CH TH RH UJ Temperature compensation ML Mylar type P P Polypropylene type Schematic diagram and Wiring Side of P W Board for this model are subject to change for improvement without prior notice REF NO DESCRIPTION POSITION POSITION SW715 VIDEO ON OFF SW716 TAPE ON OFF SW717 CD ON OFF SW722 FF ON OFF SW723 TUNING UP ON OFF SW724 TUNING DOWN ON OFF SW725 PLAY ON OFF S...

Page 14: ... LA9241M SERVO AMP RES CQCK COIN SQOUT RWC WRQ CL DAT SELIAL CONTROL CE Q51 SL SL DRF 9 8 7 6 5 4 3 2 1 GND D MECHA UP GND D DISK NO OPEN CLOSE GND D M M GND M 9 8 7 6 5 4 3 2 1 CNP10 M 5V B1 62 64 45 36 23 43 37 31 38 39 40 24 25 10 1 2 2 1 3 3 2 1 4 5 6 10 26 58 53 10 12 20 32 40 43 44 53 52 51 54 31 30 29 23 27 16 15 41 44 Q1 Q52 4 3V Q81 7 3V B1 REGULATOR TO MAIN SECTION TO IC601 XOUT EFMO EFM...

Page 15: ... AN7345K PLAYBACK AND RECORD PLAYBACK AMP PB ERASE HEAD SWITCHING BAIS Q126 Q124 Q128 L104 Q111 Q110 Q109 Q107 Q108 SWITCHING SWITCHING SWITCHING B4 1 2 3 CNS11 FROM CD SECTION CNP11 17 B4 VOLTAGE REGURATER SWM3 FOOL PROOF SWM4 F A S SOLM1 SOLENOID SWM5 CAM 52 60 51 61 53 59 54 58 55 57 49 63 48 33 48 33 45 44 34 38 35 37 36 33 32 13 9 9 IC401 LC75396N AUDIO PROCESSOR L L R R L R L R L R L R L L R...

Page 16: ...FAN MOTOR JK970 HEADPHONES T F PT801 POWER TRONSFORMER RL801 AC POWER SUPPLY CORD AC 120V 60Hz PT802 POWER TRONSFORMER Q802 B6 B7 UNSWITCH D801 D803 D806 Q801 D807 D809 2 3 1 B7 RX701 Q705 Q706 Q707 2 4 3 7 1 3 3 1 7 4 5 9 8 L OUT IC901 STK40704 POWER AMP B B R OUT Q401 Q402 ZD801 Q403 Q404 B4 B5 B2 12V ANALOG 12V MOTOR 5 6V 5V VOLTAGE REGULATOR VOLTAGE REGULATOR VOLTAGE REGULATOR VOLTAGE REGULATO...

Page 17: ...SOL SOLD MUTE Vref STANDBY VCC1 SLD SL SL GND GND TR TR FO FO FO GAIN FD TO GND LD VR PD GND FO FO TR TR TP1 HF TE TBC JPCLO SLOF SLOF SLOF FSC FE1 FOSTA FSC EFBAL REF JP REF CV REF CV JP JP VREF 2FREQ LASER 8 12CM FSTA S Q R FOSTA TOSTA LATOH FSTA SLOF CL CE DRF HFL DEF VCC THD GL THDL TGL1 VCR VCR VCR VCR FE1 REF REF RF REF DGND SLI FIN2 FIN1 E F TB TE TE TESI SCI REF REF REF REF REF REF REF REF...

Page 18: ... CONT4 CONT5 EMPH C2F CLV DIGITAL SERVO EXTERNAL OUTPUT SYNC DETECT EFM DEMODULATE SLICE LEVEL CONTROL VCO CLOCK OSC CONTROL ERROR COERECT FLAG CONTROL DIGITAL OUT TEST3 DOUT 4FS DIGITAL FILTER TEST1 TEST4 MUTEL LVDD LCHO LVSS RVSS RCHO RVDD MUTER XVDD XOUT XIN XVSS SBSY EFLG SUB CODE MICRO COM INTERFACE TEST11 SBCK SFSY PW FSX WRQ RWC SQOUT COIN CQCK RES 16M 4M X TAL GENERATOR CNP11 1 CNS5 2 1 2 ...

Page 19: ...4 5 6 1 2 3 4 5 6 CNS11 TUN_SM A_GND TUN_R A_12V TUN_L DO CE DI D_GND M_GND A_12V REC_MUTE BIAS T1 T2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 64 C436 22 25 R443 22K C437 22 25 R442 22K C438 22 25 R514 330 R513 3 3K R515 3 3K C535 10 50 C536 10 50 C537 10...

Page 20: ...478 6 8K R474 15K C484 0 001 R627 100 R403 1 8K R404 1 8K C461 390P C462 390P R448 330 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 6 6 CNS11 8 4 4 R401 27K R405 27K R406 27K R664 220K IC650 KIA4558P D654 DS1SS133 IC651 KIA4558P C666 2 2 50 R668 2 2M R662 220K R657 15K C651 270P C653 0 0027 R654 68K R652 33K R653 12K R651 10K C657 270P C659 0 0027 R658 390K R655 56K C661 0 022 R661 270K C656 0 0068 C662 0 ...

Page 21: ...K R118 1K R109 4 7K IC101 AN7345K PLAYBACK AND RECORD PLAYBACK AMP R115 4 7K R110 4 7K R108 47K Q108 KTC3199 GR C111 330P Q111 KRC104 M Q110 KRC104 M R114 10K Q109 KTA1266 GR C113 330P R104 2 2K Q106 2SC2389 SE Q104 2SC2389 SE R106 3 3K R107 47K Q107 KTC3199 GR Q105 2SC2389 SE R105 3 3K Q103 2SC2389 SE R103 2 2K C102 0 001 C101 0 001 C112 330P C114 330P 21 22 23 24 4 3 2 1 112K 112K HICH T1 7 6 5 ...

Page 22: ...22 C128 3 3 50 R145 10K Q122 KTC3199 GR D102 DS1SS133 D101 DS1SS133 C151 0 027 ML L104 330µH C152 47 25 C150 0 0039 ML R168 12 Q128 KTC3203 Y R167 100K R166 47K R160 150 1 2W Q121 KTC3199 GR R138 6 8K C132 0 001 R140 560 R134 68K C142 1 50 R136 2 7K C140 0 0033 C145 22 25 R137 6 8K C139 0 0033 C135 0 068 R146 10K C131 0 001 C141 1 50 3 P R139 560 R135 2 7K C133 22 25 4 P C122 1 50 C136 0 068 9 10 ...

Page 23: ...1 TA7358AP FM FRONT END 9 8 7 D301 DS1SS133 R313 33K R351 1 5K CNP301 L312 X352 4 5MHZ Q301 KTC3194 Y C320 100P C324 3 9P UJ R354 1K R355 1K C353 0 001 C351 0 001 C352 12P CH C334 0 022 T331 T333 C330 10 50 C331 0 022 VD331 SVC348S C335 22P UJ R343 68K C333 0 047 R341 10K R317 4 7K C397 560P NC TP301 FM AM AM BAND COVERAGE fL AM OSC AM TRACKING fH AM ANT X OUT X IN VSS A OUT A IN DI CE 6 5 4 3 2 1...

Page 24: ...54 1K R361 47K R355 1K Q351 KRA102 M C355 100P C386 3 3 50 Q382 KTC3199 GR R398 47K R397 10K D382 DS1SS133 R399 47K R390 2 2K NC NC NC NC IO2 TUN_MUTE TP302 PLL CONTROLLER VSS A OUT A IN PD VDD FM IN AM IN IF IN IO1 BO4 BO1 DO CL DI CE AM OSC AM B AM RF AM IF AM MIX AM FM FM B FM DET DET OUT FM IF IN GND ST IND TUN IND L CH R CH VCO FM M ST MPX IN IF T381 T382 A_12V TUN_R TUN_L DO CL DI CE A_GND D...

Page 25: ...1FAS CAM SW VDD T_MOT T_SOL TIMER LED DNO SW VSS REMOCON SYS STOP O C SW PUIN SW C S15 S14 S13 S12 S11 S10 S8 S7 S6 S5 S4 S3 S2 S1 C CD C CD AVREF 3 2 1 4 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 8 7 6 5 7 8 6 5 4 3 2 1 FL701 F F F G11 G10 G09 G08 G07 G06 G05 S01 S02 S03 S04 S05 S06 S07 S08 S09 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1...

Page 26: ...K RD11 1 2K SW716 TAPE SW717 CD RD16 3 9K SW715 VIDEO SW710 REW KEYIN2 RS711 1 5K RS712 1 2K RD09 6 8K SW709 OPEN CLOSE SW706 DISK 2 RD07 3 9K SW708 DISK SKIP SW707 DISK 3 RD06 3 3K SW705 DISK 1 RD05 2 2K F F F G10 G09 G08 G07 G06 G05 G04 G03 G02 G01 1 2 3 27 28 29 30 31 32 33 34 35 36 37 38 39 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 28 29 30 31 32 33 34 ...

Page 27: ... KTC3199 GR R957 1K R904 68K R909 1K C907 10 35 C906 1 50 R905 1K C908 0 001 R908 68K R906 10K C905 220P R903 100K C903 1 50 R907 1K R913 100 C912 100 50 C911 100 50 R912 100 C920 0 0015 C919 0 0015 C910 2200 50 C909 2200 50 R920 33K R919 33K D803 1N4004S D8 1N D8 1N40 D804 1N4004S R916 1K R924 1K C915 47P C923 47P C926 47P R931 1K R930 56K C929 15P R 1 C 10 Q K R929 180 C927 47 35 R928 180 C928 4...

Page 28: ... ML D801 TS6B04GM D802 TS6B04GM C809 0 047 ML C810 0 047 ML C806 0 047 ML C805 0 047 ML D803 1N4004S D806 1N4004S D805 1N4004S D804 1N4004S C812 100 50 D807 1N4004S D808 1N4004S D809 1N4004S C813 100 50 R969 120 1 2W C979 10 35 R967 68K R968 1K C978 47 50 Q905 KTC3199 GR R931 1K 29 R933 10K C933 100 35 Q903 KRC107 M F902 4A 125V F901 4A 125V F903 4A 125V CNS804 T F 133 C D908 DS1SS133 D907 1N4004S...

Page 29: ...C406 C609 C605 IC601 C610 C612 R613 R654 IC650 D651 C627 C603 R610 C601 C604 C606 Q603 Q604 C607 Q601 Q602 C602 R623 C664 D654 R670 ZD651 R663 R657 CNS601 1 5 C428 C434 C432 R424 IC651 C665 C666 D652 R668 R656 D653 R653 C408 C410 C412 C414 C422 C424 C420 C426 C435 C430 R412 C448 C404 C444 C449 C450 R409 R415 R411 C455 C456 C451 C452 C447 R417 C403 C405 C443 C427 C425 C423 C417 R413 C458 C454 R386 ...

Page 30: ...15 C521 R517 R523 R516 64 49 15 10 5 48 20 25 30 33 32 35 40 45 50 55 60 17 16 1 C505 C503 C504 C507 C502 C543 C534 C544 C529 C530 C533 C535 D515 C536 C537 C538 C539 C516 C522 C520 C518 C501 C509 C511 C512 C513 C525 C528 C526 C510 R181 Q121 C133 C141 C135 C145 C142 C134 IC101 R120 R117 R118 C117 C115 R119 C121 C128 C116 C122 C118 R132 R182 C136 Q105 Q103 Q104 Q106 Q128 R160 Q124 C150 C152 L104 R11...

Page 31: ...20 SW707 DISC3 SW706 SW705 LED710 FW701 LED701 LED702 RD07 LED703 R711 R710 R709 R727 R726 D704 R769 R719 R714 R713 R712 R748 R734 R733 R735 R716 SW710 L702 RD12 D721 R738 R739 R700 SW714 D722 RD13 BI703 CNP701 Q702 25 23 21 19 17 15 13 11 9 7 5 3 1 24 22 20 18 16 14 12 10 8 6 4 2 LED716 SW713 C705 STOP MEMORY SET SW712 REC PAUSE SW711 TUNER BAND REW CD C722 POWER VIDEO DISC1 DISC2 1 7 1 E C B 25 ...

Page 32: ...NING DOWN BI702 VR701 LED723 LED724 VR702 VOLUME JOG R788 1 9 10 18 15 5 RD32 C716 SW728 LED713 LED712 RD29 LED711 Q705 SW731 SW730 SW729 C718 SW708 9 5 1 10 18 15 C721 EQUALIZER DIMMER SW709 OPEN CLOSE DISC SKIP PHANTOM NORMAL SW732 BYPASS X BASS DEMO FF TUNING UP PLAY 1 8 15 1 1 5 10 15 20 25 35 0 65 70 75 85 90 95 30 31 80 81 100 1 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 SUB WOOFE...

Page 33: ...01 R903 R909 C908 R908 C925 R917 C916 C924 R923 R921 R961 R931 R907 R922 C814 R808 C818 D810 C816 CNP802 D906 D907 C817 C807 D801 R944 R941 D904 D905 C809 D802 C806 C810 C941 IC951 C927 R925 R929 C921 C919 R919 C933 C906 C976 R960 C920 D823 D824 D822 R809 C922 R928 R926 C928 C820 C821 C824 BI801 C823 C822 D819 D818 C827 R813 C944 C949 Q903 CNP803 C812 C805 D808 C811 C804 ZD802 R812 R804 ZD801 C802...

Page 34: ...912 C918 C905 R904 C903 C902 R902 C901 R901 C915 C917 R918 C926 C923 R930 C929 R927 R959 D901 R903 09 IC901 R916 R924 R917 C916 C924 R923 921 C911 C907 C904 R910 RL902 R907 R922 C814 C826 R808 C818 0 6 F903 4A 125V F901 4A 125V F902 4A 125V L CH L CH R CH R CH REAR SPEAKER 8 OHMS FRONT SPEAKER 6 OHMS CENTER SPEAKER 4 OHMS SUB WOOFER SPEAKER 6 OHMS AC POWER SUPPLY CORD 249 PT802 POWER TRANSFORMAER ...

Page 35: ...H BK SOLM1 SOLENOID 260 8 SWM5 CAM 260 11 BK WH TAPE MECHANISM PWB F CNS5 2 1 2 1 CNS10 WH RD GY WH BR WH GY OR WH GY 10 1 BIM5 6 9 8 7 6 5 4 3 2 1 SW2 MECHA UP SW1 OPEN CLOSE M3 T T UP DOWN LOADING SW3 DISC NUMBER SENSOR PWB E SOLM2 SOLENOID CNS1B CNS1A CNS2B CNS2A BL YL PK WH BK GY RD WH GY WH GY WH GY WH BL PK WH YL BK 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 1 2 3 4 5 PICKUP UNIT 306 CNP802 T...

Page 36: ...NS3A RD WH GY WH GY WH 1 2 3 4 5 6 1 2 3 4 5 6 CD MOTOR PWB D DIGITAL OUTPUT PWB C2 C35 1 1 1 1 1 2 3 1 2 1 B C E 3 2 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2 3 4 5 6 7 8 9 10 5 10 15 20 25 30 35 40 21 22 42 2 3 4 5 6 7 8 2 3 4 5 1 1 5 10 15 20 25 3035 40 45 50 55 60 16 17 32 33 48 49 64 2 3 4 5 6 C8 R12 C4 C7 R11 C5 C6 C9 C3 R2 C1 Q1 D1 C30 C31 C34 C33 R39 C57 R63 R61 R57 R62 R19 C20 C41...

Page 37: ...0V 0V 0V 2 5V 0V 5 1V 5 1V 0 9V 0 9V 0 9V 0 9V 1 3V 1 1V 17 16 15 14 13 20 19 18 0V 0V 2 5V 2 5V 21 22 PIN NO VOLTAGE IC302 5 2V 0 2V 0V 0V 0 9V 0V 1 6V 0V 6 0V 0 4V 1 6V 0V 6 0V 0 3V 5 9V 0 3V 6 0V 0 3V 9 8 7 6 5 4 3 2 1 PIN NO VOLTAGE IC301 0 1V 0 1V 0 12V 0 1V 0 13V 11 2V 0 1V 6 2V 8 7 6 5 4 3 2 1 PIN NO VOLTAGE IC650 0V 2 2V 4 8V 4 8V 4 5V 2 0V 0V 4 8V 0V 2 5V 0V 4 8V 0V 4 8V 0V 0V 2 5V 2 5V 0...

Page 38: ... 5ms 5 0 V HFL 0 5ms 5 0 V TES REVIEW 50ms 10 0 V JP CUE 50ms 10 0 V JP 50ms 0 50 V JP 50ms 1 00 V TE 0 5ms 10 0 V JP 0 5ms 10 0 V JP 0 5ms 0 50 V JP 0 5ms 1 00 V TE REVIEW 50ms 10 0 V JP 50ms 10 0 V JP 50ms 0 50 V JP 50ms 1 00 V TE 0 5ms 10 0 V JP 0 5ms 10 0 V JP 0 5ms 0 50 V JP 0 5ms 1 00 V TE PLAY 20ms 1 00 V SPO NORMAL DISC TN0 01 20ms 2 00 V CLV PLAY TCD 712 140mm TN0 01 50ms 1 00 V SPO 50ms ...

Page 39: ...e a cleaning disc designed for CD optical pickup lenses HOW TO USE 1 Using the brush in the cleaner cap apply 1 or 2 drops of the cleaning fluid to the brush on the CD cleaner disc which has the mark next to it 2 Place the CD cleaner disc onto the CD disc tray with the brush side down then press the play button 3 You will hear music for about 20 seconds and the CD player will automatically stop If...

Page 40: ...lowing voltage input on the IC701 pin 21 in the specific state When the CD mechanism is moved up 0V In other states 4 3V Yes Is there following voltage input on the IC701 pin 21 in the specific state In other states 4 3V When the CD mechanism is moved up 0V When turntable fails to move Check the MECHA UP SW and the wiring from the IC701 pin 21 to the MECHA UP SW Yes Yes Check the wiring of IC2 pin...

Page 41: ...perating keys don t work Check the CD DSP power supply and 16 93 MHz clock and reset terminal Check the waveform of SCK SO DATA and SI COMM Yes Yes See if the pick up is in thePICKUP IN SW position If the items mentioned above are OK check the main microcomputer IC701 Yes Yes No Yes No The CD operating keys work Check the Focus HF system Playback can be performed without a disc Focus search OK Doe...

Page 42: ...gure 45 2 Figure 45 1 Waveform in case of normal play back HF 1 0V DIV 0 5µsec DIV DC When playing back the disc 3 2 1 4 0 5s 1 00 V IC1 16 FD 0 5s 10 0 V IC2 13 CLV 0 5s 10 0 V IC1 54 DRF 0 5s 2 00 V IC1 7 TE Check the tracking system Check waveform of IC1 pin 7 TE Play is possible in TEST mode Although IL is possible play is impossible Check the periphery of IC 1 pin 14 Normal jump is impeded an...

Page 43: ... 46 Play operation is performed when disc exits Yes Although HF waveform is normal TOC data cannot be read Yes Check PDO waveform Fig 46 Abnormal Check the IC1 pins 43 and 44 IC2 pins 3 5 7 10 and 11 Stop Play As VCO freque ncy is locked at 4 32 M Hz voltage of PDO rises and stabilizes 2 3 0 5s 1 00 V IC2 3 PDO 0 5s 1 00 V IC2 16 FD Although HF waveform is normal and the time indication is normal ...

Page 44: ...plifier input 25 SPG Pin to connect gain setting resistor in the 12cm mode of spindle 26 SP Pin to connect spindle phase compensation constant together with SPD pin 27 SPD Spindle control signal output pin 28 SLEQ Pin to connect thread phase compensation constant 29 SLD Thread control signal output pin 30 SL Input pin of thread feed signal from micro computer 31 SL Input pin of thread feed signal ...

Page 45: ...n to connect capacitor for peak hold of RF signal 61 BH1 Pin to connect capacitor for bottom hold of RF signal 62 LDD APC circuit output pin 63 LDS APC circuit output pin 64 VCC1 RF system VCC pin Figure 48 BLOCK DIAGRAM OF IC 1 FIN2 FIN1 E F TB TE TE TESI SCI TH TA TD TD JP TO FD FD FA FA FE FE AGND SP SPI SPG SP SPD SLEQ SLD SL SL JP JP TGL TOFF TES HFL SLOF CV CV RFSM RFS SLC SLI DGND FSC TBC N...

Page 46: ...2 Input Output General use input output terminal 2 26 CONT3 Input Output General use input output terminal 3 27 CONT4 Input Output General use input output terminal 4 28 CONT5 Input Output General use input output terminal 5 29 EMPH CONT6 Output Deemphasis monitor terminal H Deemphasis disc play back General use output terminal 6 30 C2F Output C2 flag output terminal 31 DOUT Output Digital OUT out...

Page 47: ... 62 TEST5 Input Input terminal for test Pull down resistor built in Be sure to connect this terminal to 0V 63 CS Input Chip selection input terminal Pull down resistor built in In noncontrol state connect this terminal to 0V 64 TEST1 Input Input terminal for test Pull down resistor is not provided Be sure to connect this terminal to 0V Note The same potential must be supplied to the power terminal...

Page 48: ...nverted output 27 OUT4 CH4 non inverted output 28 VCC3 Power supply 3 CH5 29 35 GND GND 36 OUT5 CH5 non inverted output 37 OUT5 CH5 inverted output 38 OUT6 CH6 non inverted output 39 OUT6 CH6 inverted output 40 VCC4 Power supply 4 CH6 41 IN6 CH6 inverted input 42 IN6 CH6 non inverted input IC3 VHiM63001FP 1 Focus Tracking Spin Slide Driver M63001FP Pin No Terminal Name Function IC650 651 VHiKiA455...

Page 49: ...DATA INPUT 63 Hz 29 ANI4 TUN SM Input TUNER SIGNAL METER INPUT 30 ANI3 T2 RUN Input TAPE2 RUN PULSE INPUT 31 33 ANI2 ANI0 KEYIN3 KEYIN1 Input KEY INPUT 34 AVDD AVDD ANALOG VDD 35 AVREF AVREF ANALOG REF VOLTAGE 36 P03 PUIN SW Input CD PUIN SWITCH 37 P02 O C SW Input CD OPEN CLOSE SWITCH 38 INTP1 SYS STOP Input SYSTEM STOP INPUT 39 INTP0 REMOCON Input REMOCON INPUT 40 Vss VSS GROUND VOLTAGE 41 P74 D...

Page 50: ... Output DISTINATION OUTPUT 67 P103 FIP32 DIAT4 P22 Input Output FL DISPLAY SEGMENT DRIVER DISTINATION INPUT 68 P102 FIP31 DIAT3 P21 Input Output FL DISPLAY SEGMENT DRIVER DISTINATION INPUT 69 P101 FIP30 DIAT2 P20 P15 Input Output FL DISPLAY SEGMENT DRIVER DISTINATION INPUT 70 P100 FIP29 DIAT1 P19 P16 Input Output FL DISPLAY SEGMENT DRIVER DISTINATION INPUT 71 78 FIP28 FIP21 P18 P13 P11 P7 Output F...

Page 51: ...f g m e r p n h j k 1G 8G ANODE CONNECTION 1G 7G 8G 9G 10G 11G 2G 6G P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 Dp d c n p r e m g b k j h f a S2 S3 S4 S5 Dp d c n p r e m g b k j h f a S2 S3 S4 S5 Dp d c n p r e m g b k j h f a S2 S3 S4 S5 Dp d c n p r e m g b k j h f a S2 S3 S4 S5 c o LOWER S1 B1 B2 B3 B4 B5 B6 B7 S1 B1 B2 B3 B4 B5 B6 B7 S1 B1 B2 B3 B4 B5 B6 B...

Page 52: ...type without lead wire VC TV Square type without lead wire VC TQ Square type without lead wire VC CY Square type without lead wire VC CZ Square type without lead wire VC J The 13th character represents capacity difference J 5 K 10 M 20 N 30 C 0 25 pF D 0 5 pF Z 80 20 If there are no indications for the electrolytic capacitors error is 20 Resistors VRD Carbon film type VRS Carbon film type VRN Meta...

Page 53: ...4S D651 654 VHDDS1SS133 1 J AB Silicon DS1SS133 D704 VHDDS1SS133 1 J AB Silicon DS1SS133 D715 722 VHDDS1SS133 1 J AB Silicon DS1SS133 D801 802 VHDTS6B04GM 1 J AP Silicon TS6B04GM D803 809 VHD1N4004S 1 J AB Silicon 1N4004S D810 814 VHDDS1SS133 1 J AB Silicon DS1SS133 D817 819 VHDDS1SS133 1 J AB Silicon DS1SS133 D821 825 VHDDS1SS133 1 J AB Silicon DS1SS133 D901 VHDDS1SS133 1 J AB Silicon DS1SS133 D9...

Page 54: ...1 µF 50V C318 VCKYBT1HB101K J AA 100 pF 50V C319 VCKYPU1HB472K J AA 0 0047 µF 50V C320 VCKYMN1HB101K J AA 100 pF 50V C321 VCCSPA1HL560J J AA 56 pF 50V C324 VCCUMN1HJ3R9K J AA 3 9 pF UJ 50V C330 VCEAZA1HW106M J AB 10 µF 50V Electrolytic C331 VCTYMN1EF223Z J AA 0 022 µF 25V C332 VCCUMN1HJ8R2D J AA 8 2 pF UJ 50V C333 VCKZPA1HF473Z J AA 0 047 µF 50V C334 VCTYMN1EF223Z J AA 0 022 µF 25V C335 VCCUMN1HJ2...

Page 55: ...20 µF 50V Electrolytic C812 813 VCEAZA1HW107M J AC 100 µF 50V Electrolytic C814 VCKZPA1HF473Z J AA 0 047 µF 50V C815 VCEAZV1VW477M J 470 µF 35V Electrolytic C816 VCEAZA1CW106M J AC 10 µF 16V Electrolytic C817 VCEAEA1HW475M J AB 4 7 µF 50V Electrolytic C818 VCEAZA0JW108M J AC 1000 µF 6 3V Electrolytic C819 820 VCQYKA1HM104K J AB 0 1 µF 50V Mylar C821 VCEAZA1CW476M J AB 47 µF 16V Electrolytic C822 V...

Page 56: ...AA 47 kohms 1 8W R380 VRD MN2BD392J J AA 3 9 kohms 1 8W R381 VRD MN2BD333J J AA 33 kohms 1 8W R382 VRD MN2BD152J J AA 1 5 kohms 1 8W R383 VRD MN2BD122J J AA 1 2 kohms 1 8W R384 VRD MN2BD153J J AA 15 kohms 1 8W R385 VRD MN2BD103J J AA 10 kohm 1 8W R386 VRD ST2EE391J J AA 390 ohms 1 4W R387 VRD ST2EE681J J AA 680 ohms 1 4W R389 VRD MN2BD103J J AA 10 kohm 1 8W R390 VRD ST2CD222J J AA 2 2 kohms 1 6W R...

Page 57: ...CD683J J AA 68 kohms 1 6W R903 VRD ST2CD104J J AA 100 kohm 1 6W R904 VRD ST2CD683J J AA 68 kohms 1 6W R905 VRD ST2CD102J J AA 1 kohm 1 6W R906 VRD ST2CD103J J AA 10 kohm 1 6W R907 VRD ST2CD102J J AA 1 kohm 1 6W R908 VRD ST2CD683J J AA 68 kohms 1 6W R909 VRD ST2CD102J J AA 1 kohm 1 6W R910 911 VRD ST2EE223J J AA 22 kohms 1 4W R912 913 VRG ST2EC101J J AB 100 ohm 1 4W Fusible R916 VRD ST2CD102J J AA ...

Page 58: ...ey Type TAPE SW717 92LSWICH1401AT J AC Switch Key Type CD SW722 92LSWICH1401AT J AC Switch Key Type FF SW723 92LSWICH1401AT J AC Switch Key Type TUNING UP SW724 92LSWICH1401AT J AC Switch Key Type TUNING DOWN SW725 92LSWICH1401AT J AC Switch Key Type PLAY SW728 92LSWICH1401AT J AC Switch Key Type X BASS DEMO SW729 92LSWICH1401AT J AC Switch Key Type EQUALIZER SW730 92LSWICH1401AT J AC Switch Key T...

Page 59: ...TV0006AWM1 J AR Motor with Pulley 260 8 SOLM1 RPLU 0002AWZZ J AH Solenoid Ass y 260 9 SWM3 92LM SW1676A J AC Switch Leaf Type Fool Proof 260 10 SWM4 QSW F9003AWZZ J AG Switch Leaf Type F A S 260 11 SWM5 92LM SW1658A J AB Switch Leaf Type CAM 261 LHLDF1001AWZZ J AC Holder PWB 262 LANGK0170AWFW J AC Bracket Headphones Support 263 QCNWN1481AWZZ J Lug Wire 264 LHLDZ1229AWZZ J AC Holder Multi Indicator...

Page 60: ...0 J AC Label Parts Code SP1 VSP0010PBY04A J AW Woofer SPEAKER BOX PARTS REAR SPEAKER 901 92L60 00 0770 J AT Net Frame Ass y 902 92L32 01 0380 J AR Bottom Cabinet 903 92L37 03 0110 J AK Speaker Cord 904 92L35 02 0320 J AB Screw ø3 14mm 905 92L33 01 0940 J AC Label Parts Code SP1 2 VSP0010PBY78A J AR Woofer SPEAKER BOX PARTS SUB WOOFER 901 92L121 0169 J AV Net Frame Ass y 902 92L051 0072 J AY Cabine...

Page 61: ...CD PC672 64 A B C D E F G H 1 2 3 4 5 6 Figure 9 CD MECHANISM EXPLODED VIEW 9 CD PC672 306 1 701 304 701 302 301 702 702 303 M1 703x2 703x2 305x2 SW4 M2 305 PWB D 306 2 306 3 306 704 ...

Page 62: ... 6 202 8 202 22 202 22 206 240 1 240 2 240 258 257 FL701 256 264 PWB F PWB C1 PWB A3 260 260 1 260 2 260 3 260 4 260 5 260 6 260 7 260 8 260 9 260 10 260 11 610x6 202 Silicon grease 253 242 M901 607x2 246 602x2 610x2 606x2 608x11 610x10 202 7 610 262 237 263 254 255 249 243 620x2 250 621 620x2 622x2 620x3 252 606 x2 606 606 IC901 IC951 608x2 241 602x2 203 204 205 1 205 2 205 3 205 603x2 239x2 PT80...

Page 63: ...HANISM PWB B 613 229 225 228 209 224 232 604 604 229 613 225 616x4 229 214 210 SOLM2 M3 617x2 SW2 213 220 212 216 218 219 219 211 619 618 217 215 618 222 221 229x2 229 603 223 229 229 SW3 201 614 611 259 208 1 208 2 208 3 208 230 601x2 601x2 234 233 233 3 233 2 233 1 233 4 613 615 227 226 238 231 612 ...

Page 64: ...VIEW 1 3 12 CP C672 with Capacitor C1 2 C1 2 Capacitor TWEETER SP3 L CH SP4 R CH WOOFER SP1 L CH SP2 R CH BK BK RED RED TWEETER SP3 L CH SP4 R CH WOOFER SP1 L CH SP2 R CH C1 2 Capacitor 2 2µF 100V Electrolytic N P 908 902 906x4 907x2 SP3 4 904 903 SP1 2 901 905x2 905x2 ...

Page 65: ...CD PC672 68 13 CP SW672 Figure 13 SPEAKER EXPLODED VIEW 2 3 A B C D E F G H 1 2 3 4 5 6 RED BLACK 901 902 SP1 SP1 905x4 904 906 907 903 ...

Page 66: ...CD PC672 69 A B C D E F G H 1 2 3 4 5 6 Figure 14 SPEAKER EXPLODED VIEW 3 3 14 GBOXS0023AWM1 901 SP1 2 SP1 2 902 904x6 905 903 GBOXS0022AWM1 904x4 902 904x4 SP1 901 903 905 ...

Page 67: ... Sub Woofer FM AM Loop Antenna Quick Guide Operation Manual AC Power Cord 92LBAG1460C1 Polyethylene Bag Accessories FRONT SIDE OF SPEAKERS FRONT SIDE OF SPEAKERS FRONT SIDE OF SUB WOOFER 92L41 08 0350 Polyethylene Bag 92L41 08 0350 Polyethylene Bag 92L41 05 0300 Packing Add Top Bottom 92L411 0101 Polyethylene Bag 92L412 0127 Packing Add Top Bottom A A C D B B C D BACK SPAKC0737AWZZ Packing Case Ba...

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