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Sharp CD-C478 Service Manual Download Page 13

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CD-C478/478C

Figure 13-1

Figure 13-2

Figure 13-3

Figure 13-4

Figure 13-5

Figure 13-6

(D2) x4
ø3 x10mm

(E1) x1
ø3 x10mm

(D2) x1
ø3x10mm

(F4) x2
ø3x10mm

(F4) x1
ø3x10mm

(F3) x2

(F1) x2

(F2) x2

(F2) x1

(F3) x1

(D1) x1

Rear Panel

Main PWB

Tuner PWB

Front Panel

(H1)x4
ø3x10mm

(J2)x5
ø3x10mm

Front Panel

( J2 ) x1
ø3x10mm

( G2 ) x1
ø3x10mm

( J1 ) x2

( J1 ) x1

( G1 ) x1

Heat Shink Cover

Power Amp. PWB

(K1)x4
ø4x8mm

(K1)x1
ø3x8mm

(K1)x1
ø3x10mm

Power Supply PWB

(M1)x3
ø3x10mm

(L3)x12
ø3x10mm

(P1)x6
ø3x10mm

Lug Wire

(N1)x1
ø3x10mm

Open

Headphones 
PWB

Display 
PWB

(L1)x2

(L2)x1

Washer

Tape Mechanism

Cassette 
Holder (Left/Right)

Front Panel

CD Switch PWB

( R1 ) x1
ø3 x10mm

( R1 ) x1
ø3 x10mm

( Q1 ) x1
ø3 x10mm

Turntable

Disc Tray

( Q2 ) x1

( R2 ) x1

( R2 ) x1

CD Player Unit

( S1 ) x1
ø3 x10mm

( S2 ) x2

( S2 ) x2

CD Player Unit

CD Servo PWB

Summary of Contents for CD-C478

Page 1: ...LODED VIEW PACKING OF THE SET For U S A Only CD C478 CD C478C 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 Manufactured under license from Dolby Laborat...

Page 2: ...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 exposed metal parts having a return path to the chassis antenna metal cabinet screw h...

Page 3: ...io 55 dB TAPE 1 playback 50 dB TAPE 2 recording playback Wow and flutter 0 15 WRMS Compact disc player section Type 3 disc multi play compact disc player Signal readout Non contact 3 beam semi con ductor laser pickup D A converter 1 bit D A converter Frequency response 20 20 000 Hz Dynamic range 90 dB 1 kHz Front speaker section Type 3 way 5 1 8 130 mm woofer 2 50 mm tweeter and super tweeter Maxi...

Page 4: ...9 CD Play Indicator 10 CD Repeat Indicator 11 CD Pause Indicator 12 TAPE 2 Record Indicator 13 Timer Record Indicator 14 Timer Play Indicator 15 4 Speaker Indicator 16 Sleep Indicator 17 Extra Bass Indicator 18 Random Play Indicator 19 CD TUNER Memory Indicator 20 TUNER FM Stereo Indicator 21 TUNER FM Stereo Mode Indicator 22 Spectrum Analyzer Indicator 23 Function Selector Buttons 24 Extra Bass B...

Page 5: ... Level Control Button 38 Timer Button 39 Memory Button 40 CD Clear Button 41 CD Track Down Review Button TAPE 2 Fast Wind Button TUNER Tuning Down Button 42 TAPE 2 Reverse Play Button 43 CD Play Repeat Button TAPE 1 Play button TAPE 2 Forward Play Button 44 CD Track Up Cue Button TAPE Fast Wind Button TUNER Tuning Up Button 45 Editing Speed Selector Button 1 TAPE 1 Cassette Compartment 2 TAPE 2 Ca...

Page 6: ...Audio Signal Input Sockets 3 FM 75 ohms Aerial Terminal 4 Aerial Earth Terminal 5 AM Aerial Terminal 6 AC Power Lead 7 Front Speaker Terminals 8 Sub Woofer Terminals 9 Rear Speaker Terminals 10 Centre Speaker Terminals FRONT SPEAKERS SUB WOOFER RATED SPEAKER IMPEDANCE 8 OHMS MIN RIGHT LEFT REAR SPEAKERS CENTER SPEAKER RIGHT RATED SPEAKER IMPEDANCE 16 OHMS MIN RATED SPEAKER IMPEDANCE 8 OHMS MIN LEF...

Page 7: ...Track Up Cue Button 19 Track Down Review Button 10 Memory Button 11 Disc Skip Button 12 Stop Button 13 Play Repeat Button 14 Pause Button 15 Clear Button 16 Random Button Tape control section 17 TAPE 2 Record Pause Button 18 TAPE 2 Reverse Play Button 19 TAPE 1 2 Stop Button 20 TAPE 1 Play Button 3 TAPE 2 Forward Play Button 21 TAPE 2 Fast Wind Button Common section 22 Extra Bass Button 23 Equaliz...

Page 8: ...onds are not displayed Note In the event of 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 If this happens follow the procedure below to change the clock time To change the clock time Wh...

Page 9: ...altavoz de subgraves x 1 Batteries are not included Las pilas no están incluidas Rear speaker Altavoz posterior Wall Pared 23 5 8 35 7 16 60 90 cm 60 90 cm 15 15 8 20 0 2m 6m 0 2m 6m 4 Connecting the system Conexión del sistema 1 2 3 AM Loop Antenna Antena de cuadro de AM FM Antenna Antena de FM SUB WOOFER ALTAVOZ DE SUBGRAVES Red Rojo Black Negro CENTER SPEAKER ALTAVOZ CENTRAL Red Rojo Black Negr...

Page 10: ...ntrol clockwise to increase the volume Turn the VOLUME control counterclockwise to decrease the volume Ajuste el nivel de volumen Girando el control VOLUME hacia la derecha se incrementa el volumen Girando el control VOLUME hacia la izquierda se reduce el volumen 6 To stop the playback Para detener la reproducción Press the button Pulse el botón VOLUME 6 Listening to a tape Audición de una cinta L...

Page 11: ...do 5 Press the NORMAL EDIT button Pulse el botón NORMAL EDIT 6 One side Una cara Both side Ambas caras TAPE 2 Load a cassette into the TAPE2 cassette compartment Inserte un casete en el compartimiento del casete de TAPE 2 To stop the recording Para detener la grabación Press the button Pulse el botón 7 Listening to the radio Audición de la radio Press the TUNING button to tune in to the desired st...

Page 12: ...1 x1 14 1 DISASSEMBLY Caution on Disassembly Follow the below mentioned notes when disassembling the unit and reassembling it to keep it safe and ensure excellent performance 1 Take cassette tape and compact disc out of the unit 2 Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit 3 Take off nylon bands or wire holders where they need to be removed...

Page 13: ...anel J2 x1 ø3x10mm G2 x1 ø3x10mm J1 x2 J1 x1 G1 x1 Heat Shink Cover Power Amp PWB K1 x4 ø4x8mm K1 x1 ø3x8mm K1 x1 ø3x10mm Power Supply PWB M1 x3 ø3x10mm L3 x12 ø3x10mm P1 x6 ø3x10mm Lug Wire N1 x1 ø3x10mm Open Headphones PWB Display PWB L1 x2 L2 x1 Washer Tape Mechanism Cassette Holder Left Right Front Panel CD Switch PWB R1 x1 ø3 x10mm R1 x1 ø3 x10mm Q1 x1 ø3 x10mm Turntable Disc Tray Q2 x1 R2 x1...

Page 14: ...fore the disassembling method is not discribed For details refer to the disassembling drawing in the Parts Guide Be careful when installing the CD changer mechanism Install the CD changer mechanism on the CD player base after the shift lever has been set in the highest position Figure 14 1 A3 x4 ø4 x16mm Net A1 x1 A2 x1 Screwdriver Woofer T1 x4 ø3 x12mm U1 x1 ø2 6 x10mm CD Changer Mechanism CD Mec...

Page 15: ...e 15 2 REMOVING AND REINSTALLING THE MAIN PARTS CD MECHANISM SECTION Perform steps 1 2 3 13 and 14 of the disassembly method to remove the CD mechanism How to remove the loading motor See Fig 15 1 1 Remove the screws A1 x 2 pcs to remove the loading motor Figure 15 1 A1 x2 ø2 6 x5mm Loading Up Down Motor Motor PWB B1 x2 ø2 6 x6mm Shaft B2 x1 Stop Washer B3 x1 Gear B4 x1 CD Mechanism Pickup ...

Page 16: ... Adjusting Parts Instrument Connection 1 Input Antenna Output TP302 2 Input Antenna Output TP301 FM RF Signal generator 1 kHz 75 kHz dev FM modulated Band 87 50 MHz L303 fL 1 Coverage 3 7 V 0 1 V RF 98 00 MHz 98 00 MHz L302 2 10 30 dB Test Stage Instrument Connection Frequency Frequency Display Serring Adjusting Point Detection Signal generator 10 7 MHz FM sweep generator Detection 10 7 MHz 98 00 ...

Page 17: ...optimal settings CD SECTION Figure 17 1 Note Only in STOP state it is possible to slide the pickup with the or key VOL Last memory BAL CENTER R GEQ FLAT X BAS OFF Canceling method POWER OFF Setting the test mode Any one of test mode can be set by pressing several keys as follows REC PAUSE DISC SKIP POWER TEST CD operation test TEST mode Function CD test mode Setting of TEST mode Indication of CD T...

Page 18: ...for output period 2 sec In this case the following indication appears repeatedly TEST L ch R ch S ch Outline Namely two speakers are connected in parallel to one amplifier In the Pro Logic BYPASS mode the amplifier for C ch center channel and the amplifier for S ch surround channel are in MUTE state The SP output is cut In the normal mode of Pro Logic ON mode the amplifiers for C ch and S ch are i...

Page 19: ...is being played back 3 In the deck section a tape is being played back indicates the record state 4 In the power section a tape is being played back 5 In the CD section the CD is stopped Parts marked with are important for maintaining the safety of the set Be sure to replace these parts with specified ones for maintaining the safety and performance of the set NOTES ON SCHEMATIC DIAGRAM Resistor To...

Page 20: ...0 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 21: ...9241M SERVO AMP 6 1 9 5 B1 12V B5 RES CQCK COIN SQOUT RWC WRQ CL DAT SELIAL CONTROL CE Q93 Q91 Q91 SL SL DRF 7 3 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 31 40 37 24 25 10 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 IC81 TA7291S LORDING MO...

Page 22: ...C FM B Q344 B7 GND AM IF FM IF IN FM AM IF MPX AM MIX AM IF VCC IC241 MPX VCO ADJ FM DET VCO FM DET MO ST T351 FM IN AM IN IC302 LC72131 B7 B7 AM OSC IN AM B AM RF IN STEREO B7 5V MONO ST FM MONO ST REGURATER VOLTAGE PLL CONTROLLER OSC X352 4 5MHz FM AM DET OUT MPX IN FM B Q342 Q343 R L DI CL CE DO FMOSC FM SWITCHING FM AM B P F LA1805 T352 VR351 T1 T1 T2 T2 T2 T2 CA TAP TA HIG T P RE REC REC PB L...

Page 23: ...1 VF2 5 ICD01 IX0234AW RXD01 4 SWD01 SWD02 LEDD01 LEDD28 DAT COM SCK SWD03 SWD06 SWD12 SWD17 SWD23 SWD48 SWD50 SWD54 QY12 RELAY B6 STB RES TUNER MUTE TU DO TU SD T1 CrO2 T1 RUN T2 RUN T2 A FP T2 B FP 2 T2 CrO CAM SW TAPE SOL TA MOT HIGH SP FR SP BIAS TA R P PB EQ REC EQ REC MUTE REC MUT T1 T2 PB MUTE FAN SP DET POSISTOR H P SW PROT FRONT RELAY SURROUND RELAY CENTER RELAY S W RELAY S MUTE POWER S W...

Page 24: ...5 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 19 20 21 22 23 24 25 26 27 28 29 31 30 32 33 34 35 36 1 2 3 4 5 1 2 3 4 5 CNS1A CNS1B 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 CNS2B CNS2A 1 2 3 4 5 6 7 8 1 2 3 4 5 R48 10K M 2 5V 2 5V PU IN 0V GND LD ACTUATOR LT0H30M1 TR FO FO TR 2200P 1M 2200P 1M MON C F A B E K LD F B A E K TR TR FO FO GND PD VR LD TR TR FO FO GND PD VR LD F B A E K B F E A K CH3 CH4 1CH CH2...

Page 25: ...9 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 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 1 2 3 4 5 6 7 8 9 1 2 1 2 1 CNS10 1 BIM05 2 3 4 5 6 7 8 9 2 3 4 5 6 SW3 DISC NUMBER SW2 MECHA UP SW1 OPEN CLOSE M M3 T T UP DOWN LOADING MOTOR CNS5 5V EFMIN OPEN CLOSE MECHA UP DISC NO PIUN SL SL GND D DRF RES DSP CQCK DSP SQ_OUT DSP COIN DSP WRQ DSP RWC DSP DOUT...

Page 26: ...N4 0 4V AN5 0V AN6 0V AN7 0V INT1 4 0V INT2 4 0V INT3 0V SI1 0V INT0 0V GND µ CON 4V µ CON RES MAIN 4 0V 1 2 8 4 1 3 2 7 2 2 5 6 16KHz SPE 1 SPE 2 SPE 3 SPE 4 SPE 5 RWC CD RES 15V 12V A GND A 63Hz 250Hz 1KHz 4KHz 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 10 11 12 13 14 2 3 4 5 6 7 8 9 10 2 3 4 5 6 7 8 9 10 1 1 BIF13 4 0V PF7 3 8V PF6 4 0V PF5 4 0V PF4 3 8V PF3 PF2 3 8V PF1 0V PF0 4 0V PE7...

Page 27: ...N RSERO 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 4 8V 0V 0V 0V 4 8V 4 8V 5 0V 5 0V 5 0V 5 0V 0V 5 0V 0V 0 1V 5 0V 0V 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V LTIN 5 0V LF1C1 5 0V LF1C2 5 0V LF1C3 4 8V LF2C1 LF2C2 5 0V 5 0V LF2C3 4 8V LF3C1 5 0V LF3C2 5 0V LF3C3 4 8V LF4C1 5 0V LF4C2 5 0V LF5 5 0V LF4C3 4 8V LTOUT 5 0V LFIN 5 0V PROLOGIC ONLY CD GND D1 GND D CD GND D2 7 3V CD 12V M 4 6V D AUX...

Page 28: ...P78 100K CP78 1 50 CP76 1 50 CP77 1 50 CP74 0 022 CP79 0 022 CP73 0 022 RP85 1K CR55 10 50 RP75 100K CR58 CP48 0 1 ML RP20 2 2K RP19 2 2K INPUT VIDEO AUX 2 INPUT VIDEO AUX 1 VF1 VF1 VF2 VF2 38 VP 38 VP GND A GND A VIDEO 2 VIDEO 1 NC NC R5dBIN NC RCT1 RCT2 R5dBOUT R1dBIN NC R1dBOUT RVM VCC NC CE DI CL NC CE DI CL ICR15 2 2 2 2 ICP11 ML ML R CH L CH 12V A 15V ICP1 2 2 S CH 2 2 ICP71 15V C CH B B B 1...

Page 29: ...MUTE 15V A GND A 12V A 12V M GND M 4 6V D GND D 7 3V CD CD GND D1 GND D OUT1 L CH RELAY1 GND A FAN CONT OUT2 R CH SP LEVEL H P SW GND A POSISTOR AMP PROT POSISTOR AMP PROT REAR RLY 3 GND A POWER GND D3 CENTER MUTE S W MUTE REAR MUTE OUT3 S W RELAY2 1 CFWP01 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 CNPP01 2 3 4 5 6 7 8 9 10 11 1 2 3 CNPR11 2 3 4 5 6 7 8 9 10 11 1 CFWP02 ICR15 1 2 NJM4558M MOTOR DRIVE...

Page 30: ...0 001 QK09 KTA1266GR RK69 220 RK15 4 7K CK60 100 16 RK11 15K RK89 1K CK05 330P RK90 1K CK06 330P QK06 2SC1845F QK04 2SC1845F RK06 3 3K RK04 2 2K QK05 2SC1845F QK03 2SC1845F RK05 3 3K RK03 2 2K RK12 15K QL11 KTA1266GR RL11 33K QL17 KRC104M RL12 2 2K RL13 6 8K QL12 KTA1266GR RL14 33K QL13 KRC104M QL14 KTA1273Y RL15 10K RL16 2 2K QL18 KRC104M CL12 47 16 QL15 KTA1271Y RL17 10 1 2W DL12 1SS133 RL18 10K...

Page 31: ...11 1SS133 RK68 4 7 LK04 330µH CK51 0 027 ML CK52 47 16 QK28 KTC3203Y CK50 0 0082 P P RK66 27K RK67 47K CK62 0 047 RK73 56K RK55 33K QK22 KTC3199GR RK54 10K RK53 10K L18 C104M QL19 KRC104M PB MUTE GND A 12V A CHROME NOR CrO VCC RIPPLE ALC ALC GND HI SP 56K 56K HI SP HI SP BIAS T12CRO2 TA2CAM2SW T22B2FP T12RUN T22A2FP M2GND T22RUN GND BIAS TA2F R SPEED TA2MOT2SW M212V TA2SOL MAIN SECTION P26 1 G 3 1...

Page 32: ...CC72 0 0033 ML CC71 0 082 ML CC70 0 47 50 CC69 0 33 50 CC67 10 50 CC68 10 50 R CH ICC02 2 2 L CH OUT R CH OUT C OUT S OUT L CH IN GND AU R CH IN 12V A C2B2CL C2B2DI PL2ENA L BPF2 R BPF2 L BPF3 DCOUT3 R RECT DCOUT4 L RECT VLR TH VLR 1 VLR 2 VCS 2 VCS 1 VCS TH L R RECT DCOUT2 VCC DET IREF GND S OUT R OUT L OUT DC OUT OSC OSC D A NS A D VDD DC OUT R BPF1 S DC OUT C DC OUT R DC OUT L DC OUT VREF DELAY...

Page 33: ... R380 1 5K C393 1 50 C338 100P 21 T352 R348 33K C314 10 16 C328 0 001 C392 0 001 1 IC301 TA7358AP FM FRONT END 12 R361 10K Q343 KRA109 M 11 9 C365 1 50 R357 3 3K 10 C366 1 50 R358 3 3K R364 47K C370 1 50 C354 470P Q342 KTC3199 GR TP302 R351 10K D342 1SS133 R369 4 7K R365 150 1 2W L343 100µH ZD351 MTZJ5 1B C369 47 16 R381 10K R362 470 C350 220 10 C349 0 022 C384 0 001 R350 47K R376 1K R356 10K C367...

Page 34: ... S1 F1 F1 NC NC FF STROBE R PLAY VIRTUAL G VIRTUAL R PHANT G SRS R SRS G PHANT R NORMAL G NORMAL R STEREO G STEREO R PAUSE GND D 4 6V D 12V M COM1 DATA1 STB SCK1 RESET F PLAY STOP YELLOW F PLAY YELLOW STOP GREEN FF YELLOW PAUSE LEDD09 SLR325MG R PLAY REW REW 2 3 4 5 6 7 100 CNSD01 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 CV91 100 CV92 100 JV91 HEADPHONE LV91 2 2µH XH RV91 220 RV92 220 X2 HEADPHONE PWB C3 ...

Page 35: ...DD DISC2 DISC1 DISC3 DISC 3 DISC 2 DISC 1 DISC 1 DISC 2 DISC 3 G12 G12 G11 G10 G9 G8 G7 G6 G5 G4 G3 G2 G1 S27 S26 S25 S23 S22 S21 S20 S19 S18 S17 S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 S19 S27 S26 S25 S24 S23 S22 S21 S20 S18 S17 S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 F1 NC NC KEY4 KEY1 KEY2 KEY3 KEY5 KEY6 TUN SET AUD SET FL SET DISK 1 DISK 2 DISK 3 UAL G UAL R NT G ...

Page 36: ...1268GR RV34 15K RV33 10K DV21 1SS133 RV71 820 CV27 1000 6 3 RV63 120K RX37 47K RX38 10K QX18 KTC3199GR RX55 10K CX27 1000 6 3 RX33 120K RX35 2 2K RX36 22K RX34 15K QX17 KTA1268GR DX21 1SS133 RX71 820 CV25 0 022 RV27 10K QV13 KTC3199GR DV13 1SS133 RV69 0 2 1W RV28 10K QV14 KTC3199GR DV14 1SS133 RV70 0 2 1W RY18 10K QY11 KTC3199GR DY11 1SS133 RY26 0 2 1W RX27 10K QX13 KTC3199GR DX13 1SS133 RX69 0 2 ...

Page 37: ... RX51 3 3K DV23 1SS133 DV24 1SS133 DV19 1SS133 ZDV11 MTZJ5 1B CV48 10 50 RV59 100K DV22 1SS133 CV49 100 50 RV57 4 7K DV25 1SS133 DV20 1SS133 RV58 10K HP L CH GND A HP R CH GND M H P SW H P SW RELAY1 RELAY2 FAN CONT FAN SW SP LEVEL 3300 50 2 3 4 5 6 7 1 CNPV12 VCC VCC GND GND VCC VCC GND VCC VCC GND GND VCC VCC GND 2 3 4 5 6 7 1 CNPX12 2 3 4 5 1 WTV11 B B B B B 1 CNPV11 2 M M901 1 CN901 2 TMV01 FRO...

Page 38: ...7 25 R901 68 3W R918 100 C920 47 25 Q913 2SB1375 ZD901 MTZJ130A R919 3 9 R920 3 9 C901 0 022 C909 0 022 C911 0 022 C906 0 022 7 3V CD 12V A 12V M 4 6V D GND D GND M GND 1 2W 1 2W 2 3 4 5 6 7 2 3 4 5 6 7 1 BI9 1 BI904 BI901 POWER PWB D B B B B B B 1 2 3 VCC VCC VCC VCC VCC VCC VCC VCC GND GND GND GND GND GND CD GND D 1 2 3 1 2 3 12V A GND A 12V A 12V M GND M 4 6V D GND D 7 3V CD CD GND D1 GND D3 PO...

Page 39: ...1N4004S R954 220 R953 220 C960 220 50 C959 220 50 C957 0 047 ML C958 0 047 ML F996 6A F995 6A D991 KBU603 D990 KBU403 F993 3 15A F994 3 15A T F 31V 2 3 4 5 6 7 BI903 2 3 1 FW901 T991 POWER TRNSFORMER VCC VCC VCC GND GND GND C951 0 047 C952 0 047 ML ML C954 0 047 ML C956 0 047 ML D992 D995 2A02 VP VF1 VF2 WTP02 TO MAIN PWB P28 1 D F990 5A 285 285 AC POWER SUPPLY CORD AC 120V 60Hz 2 3 4 5 6 7 CNS903...

Page 40: ...02 CU04 CU46 CU10 CU36 CU06 CU08 RU06 RR12 CU55 CU42 CU33 CU39 CU22 CU26 CU28 CU40 CU24 CU18 CR10 RU03 CU11 CU64 RU04 CU12 RR17 RR13 CR11 CR13 RU02 RU14 RR16 RR15 RR11 RR18 CR12 RR14 CR14 RU95 CP07 CP08 RP16 CP27 CP18 CP28 RP17 RP19 RP15 CP17 RP26 RP25 RP11 RP10 RP09 RP12 RU13 RU01 RP74 RP75 CR55 CR56 CP84 ZDP01 CP85 CP83 RR86 RP85 CR03 RR01 ZDR01 CR02 CR01 ICR11 1 1 WTP02 WTP01 CU15 CU21 CU23 CU6...

Page 41: ... RK26 RK22 RK03 RK05 CK05 RK31 RK34 CK43 CH29 RH35 RH13 CH10 RH34 RH37 CH26 RH22 RH21 RF05 RF03 RF04 RF01 CG56 RL18 RF62 RF63 CG05 CG06 RG33 RG30 RG10 CG04 RG32 RG29 RG37 RG39 RG35 RG31 CG02 RK53 RK39 RK43 CH28 RK41 RG24 RG05 RF80 RF79 RF77 RF76 RF73 RF71 RF69 RF68 RF67 RF72 CK55 RP73 RF94 RF96 CK07 RG26 RH25 RH39 RH32 RH26 CNPF01 CH12 RG04 RG22 RL11 RL12 RL13 QL12 QL11 QL17 1 5 10 15 20 25 35 40 ...

Page 42: ...RD09 RD08 RD07 RD06 RD05 RD04 RD03 CD06 CD05 RD57 RD52 SWD02 JOG CD11 CD09 CD10 RD50 RE26 RE16 CV91 CNSD01 RD11 SWD27 PHANTO QD05 QD06 JV91 HEADPHONES FWV91 1 5 LEDD09 LEDD07 LEDD06 LEDD11 LEDD13 LEDD12 LEDD05 LEDD FLD ICD RE22 LEDD02 RE25 RE25 SWD53 DISC SKIP SWD54 OPEN CLOSE SWD15 HIGH EDIT SWD19 SUB WOOFER VOLUME UP SWD20 SUB WOOFER VOLUME DOWN RD49 SWD13 STOP LEDD01 SWD16 REC PAUSE SWD03 X BAS...

Page 43: ... RE53 CD01 SWD02 JOG RD22 RD26 RD27 RD66 RD67 RD35 RD72 QD12 QD10 RD70 RD71 RD28 RD54 RD12 RD45 QD11 SWD27 PHANTOM RD14 CD02 LEDD08 LEDD09 LEDD15 LEDD16 LEDD14 LEDD19 LEDD17 LEDD18 1 LEDD10 FLD01 ICD01 RD36 RD30 2 LEDD04 LEDD20 D53 C P SWD50 DISC1 SWD51 DISC2 SWD52 DISC3 1 SWD29 BY PASS QD07 RD55 QD08 RD21 RE35 3 2 1 3 2 1 RE39 CLOCK NORMAL RD37 RD65 RE11 RD64 RE43 RE42 RD43 RD42 RD41 RE51 RE31 RE...

Page 44: ... 1 5 10 15 20 25 30 35 40 45 50 55 60 5 10 15 20 25 30 35 40 45 50 55 60 64 C15 R2 C1 C3 Q1 R1 C2 C33 R46 C31 C34 C32 R43 R40 R38 C30 R42 R39 C23 R52 R53 C48 C47 C38 C27 R41 C26 C40 R51 C39 D1 C28 C25 C57 C46 R47 R60 C37 XL1 IC2 C45 C42 C49 C44 R57 R58 R62 R59 R61 R63 R50 C22 R45 C29 C24 C41 C56 R44 IC1 17 1 2 3 4 5 6 7 8 1 2 3 4 5 6 1 2 3 4 5 16 49 48 33 32 1 64 17 16 49 48 33 32 R35 R36 C21 C20 ...

Page 45: ...C308 C311 C312 R301 C313 C306 C318 R314 R316 C304 C350 R358 R317 BF301 D303 C369 VD303 VD304 10 9 8 7 6 5 4 3 2 1 CNP303 R375 C358 C348 R352 C357 R340 C356 R349 C355 C353 R348 R347 C351 C354 T352 C337 C333 C349 C359 CF301 C361 C366 C364 C365 C363 CF352 T351 C360 R381 C393 R357 Q343 C367 R360 C370 Q342 R351 R364 R361 R359 R362 R363 D341 D342 R365 R376 R350 R369 Q344 R383 R382 C385 L343 R384 ZD351 C...

Page 46: ... 6 7 7 1 2 3 4 5 6 7 8 9 10 11 12 2 4 6 8 10 13 1 3 5 7 9 11 14 15 16 WTV11 RV40 RV60 RV38 DV15 CV30 CNPV12 QV22 RV61 RY22 QY12 QV19 QV18 DV19 QX16 QX15 DX17 QX20 RX50 DX15 CX30 CNPX12 RLYX11 CV48 RY21 RV62 CV28 CV29 CV47 RV56 ZDV12 QV21 RV57 RV55 RV53 DV24 DV23 DV25 CFWX11 ICX01 DV17 RV54 DV13 RV36 RV35 RV30 RV70 RV34 RV69 RV29 CV24 CV23 DV21 ICV01 RV17 CY14 CV20 CV19 RV13 QY11 1 2 RX16 CX18 CX23...

Page 47: ...01 C909 C920 ZD901 C908 R908 R909 R910 FW901 E C B Q914 3 2 1 B C E 3 2 1 E C B 3 2 1 E C B E C B E C B E C B E C B R919 R920 C958 BI903 BI904 7 1 7 1 D991 D990 R901 C952 C951 C961 C960 C959 F993 3 15A F994 3 15A F996 6A F995 6A F990 5A C901 D954 Q901 R902 C903 R911 R907 C904 ZD904 F997 2 5A T991 POWER TRANSFORMER 285 285 AC POWER SUPPLY CORD 242 AC 120V 60Hz T F 7 6 5 4 3 2 1 7 6 5 4 3 2 1 CNPX12...

Page 48: ... Is from 5 V till 2 5V down pulse approx 300 ms Check the SW3 and the wiring from the ICF01 pin 91 to the SW3 No No input into the ICF01 pin 91 when the turntable is rotating 5V 2 5V 0V Yes Check IC2 pin26 Q91 and Q93 and the periphery Check the MECHA UP SW and the wiring from the ICF01 pin 91 to the MECHA UP SW No Yes Is there following voltage input on the ICF01 pin 91 in the specific state When...

Page 49: ... pins 24 and 25 IC81 pins 1 and 3 The CD function will not work The CD operating 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 the in PICKUP IN SW position If the items mentioned above are OK check the main microcomputer ICF01 Yes Yes No Yes No The CD operating keys work Check the Foc...

Page 50: ...igure 50 2 Figure 50 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 a...

Page 51: ...erformed when disc exits Yes Although HF waveform is normal TOC data cannot be read Yes Check PDO waveform Fig 51 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 no sound is emitted Che...

Page 52: ... Power terminal of digital system 24 CONT1 Input Output General purpose input output terminal 1 25 CONT2 Input Output General purpose input output terminal 2 26 CONT3 Input Output General purpose input output terminal 3 27 CONT4 Input Output General purpose input output terminal 4 28 CONT5 Input Output General purpose input output terminal 5 29 EMPH Output Difference monitor terminal At H deemphas...

Page 53: ...nput Input terminal for test Pull down resistor is integrated Surely connected to 0V 63 CS Input Chip selection input terminal Pull down resistor is integrated Connected to 0when not controlled 64 TEST1 Input Input terminal for test Pull down resistor is integrated Surely connected to 0V Pin No Note The same potential must be supplied to the power terminals VDD VVDD LVDD RVDD XVDD In this unit the...

Page 54: ...nput 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 from micr...

Page 55: ...Pin 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 55 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...

Page 56: ...ment output terminal for LCD display S7 PA7 Usable as general purpose input output port PA 38 45 S8 PB0 Input OUtput Segment output terminal for LCD display S15PB7 Usable as general purpose input output port PB 46 53 S16 PC0 Input Output Segment output terminal for LCD display 53 S23 PC7 Usable as general purpose input output port PC 54 55 S24 PD0 Input Output Segment output terminal for LCD displ...

Page 57: ...e specified in 1 bit units 4 Bit input port Dual purrpose function P71 INT1 input HOLD release input P72 INT2 input timer 0 event input P73 INT3 input input with noise filter timer 0 event input 30 36 S0 T0 Output Fluorescent charcater display tube VFD display controller S6 T6 Segment timing shared output 37 45 S7 T7 Input OUtput Fluorescent charcater display tube VFD display controller S15 T15 Se...

Page 58: ...stand input port PF4 S45 High voltage withstand input port PF5 S46 High voltage withstand input port PF6 S47 High voltage withstand input port PF7 81 84 S48 S51 Input Output Fluorescent charcater display tube VFD display controller Segment output Dual purrpose function S48 High voltage withstand input port PG0 S49 High voltage withstand input port PG1 S50 High voltage withstand input port PG2 S51 ...

Page 59: ... P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 S6 S4 S5 S3 a h j k b f m g c e r p n d DP S6 S4 S5 S3 a h j k b f m g c e r p n d DP S6 S4 S5 S3 a h j k b f m g c e r p n d DP S6 S4 S5 S3 a h j k b f m g c e r p n d DP S6 S4 S5 S3 a h j k b f m g c e r p n d DP S6 S4 S5 S3 a h j k b f m g c e r p n d DP S6 S4 S5 S3 a h j k b f m g c e r p n d DP S6 S4 S5 S3 a h j k b f m g c e r ...

Page 60: ...CD C478 478C 60 MEMO ...

Page 61: ...s parts codes Capacitors VCC Ceramic type VCK Ceramic type VCT Semiconductor type VC MF Cylindrical type without lead wire VC MN Cylindrical 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...

Page 62: ...R 1 J AB Silicon NPN KTC3199 GR QP17 VSKRC107M 1 J AC Digital NPN KRC107 M QR11 13 VSKRA107M 1 J AE Digital PNP KRA107 M QR21 VSKTC3199GR 1 J AB Silicon NPN KTC3199 GR QU01 02 VSKTC3199GR 1 J AB Silicon NPN KTC3199 GR QV13 14 VSKTC3199GR 1 J AB Silicon NPN KTC3199 GR QV16 VSKTC3199GR 1 J AB Silicon NPN KTC3199 GR QV17 VSKTA1268GR 1 J AC Silicon PNP KTA1268 GR QV18 19 VSKTC3199GR 1 J AB Silicon NPN...

Page 63: ... J AA 15 pF CH 50V C306 VCCSMN1HL330J J AA 33 pF 50V C307 308 VCTYMN1CX472K J AA 0 0047 µF 16V C309 VCCUMN1HJ6R8D J AB 6 8 pF UJ 50V C310 VCKYMN1HB102K J AA 0 001 µF 50V C311 VCTYMN1EF223Z J AA 0 022 µF 25V C312 VCKYMN1HB102K J AA 0 001 µF 50V C313 VCTYMN1EF223Z J AA 0 022 µF 25V C314 VCEAZA1CW106M J AC 10 µF 16V Electrolytic C316 VCKYMN1HB101K J AA 100 pF 50V C317 VCCUMN1HJ3R9K J AA 3 9 pF UJ 50V...

Page 64: ...CEAZA1AW227M J AC 220 µF 10V Electrolytic CK47 VCTYMN1EF223Z J AA 0 022 µF 25V CK50 VCQPKA2AA822J J AA 0 0082 µF 100V Polypropylene CK51 VCQYKA1HM273K J AB 0 027 µF 50V Mylar CK52 VCEAZA1CW476M J AB 47 µF 16V Electrolytic CK55 VCTYMN1EF223Z J AA 0 022 µF 25V CK60 VCEAZA1CW107M J AC 100 µF 16V Electrolytic CK62 VCQYKA1HM473K J AB 0 047 µF 50V Mylar CL12 VCEAZA1CW476M J AB 47 µF 16V Electrolytic CL1...

Page 65: ...8 59 VRD ST2CD102J J AA 1 kohm 1 6W R60 62 VRD MN2BD102J J AA 1 kohm 1 8W R63 VRD ST2CD102J J AA 1 kohm 1 6W R64 VRD MN2BD220J J AA 22 ohms 1 8W R66 VRD MN2BD331J J AA 330 ohms 1 8W R71 72 VRD MN2BD272J J AA 2 7 kohms 1 8W R73 74 VRD MN2BD561J J AA 560 ohms 1 8W R80 VRD ST2CD682J J AA 6 8 kohms 1 6W R81 VRD MN2BD392J J AA 3 9 kohms 1 8W R82 VRD ST2CD682J J AA 6 8 kohms 1 6W R83 VRD ST2EE3R9J J AA ...

Page 66: ...8W RF25 28 VRD MN2BD102J J AA 1 kohm 1 8W RF29 34 VRD ST2CD102J J AA 1 kohm 1 6W RF35 VRD MN2BD102J J AA 1 kohm 1 8W RF36 VRD ST2CD102J J AA 1 kohm 1 6W RF37 38 VRD MN2BD102J J AA 1 kohm 1 8W RF39 40 VRD ST2CD102J J AA 1 kohm 1 6W RF41 42 VRD MN2BD102J J AA 1 kohm 1 8W RF44 VRD MN2BD102J J AA 1 kohm 1 8W RF46 47 VRD ST2CD102J J AA 1 kohm 1 6W RF49 VRD MN2BD102J J AA 1 kohm 1 8W RF50 51 VRD ST2CD10...

Page 67: ... 6W RP82 83 VRD ST2EE221J J AA 220 ohms 1 4W RP84 VRD ST2CD681J J AA 680 ohms 1 6W RP85 VRD ST2CD102J J AA 1 kohm 1 6W RR1 VRD ST2CD101J J AA 100 ohm 1 6W RR11 VRD MN2BD273J J AA 27 kohms 1 8W RR12 VRD ST2CD273J J AA 27 kohms 1 6W RR13 14 VRD MN2BD182J J AA 1 8 kohms 1 8W RR15 16 VRD MN2BD273J J AA 27 kohms 1 8W RR17 18 VRD MN2BD182J J AA 1 8 kohms 1 8W RR19 21 VRD ST2CD473J J AA 47 kohms 1 6W RR7...

Page 68: ...901 92LMTR1810A J AK Motor Air Cooling Fan MM1 92LMTR2512AASY J AT Motor with Pulley Tape PHM1 Photo Interrupter Supplyes at Tape Mechanism REF No 250 RLYV11 RRLYD0008AWZZ J AN Relay RLYX11 RRLYD0008AWZZ J AN Relay RLYY11 RRLYD0008AWZZ J AN Relay RM1 VRD ST2CD272J J AA 2 7 kohms 1 6W RXD1 VHLN64H380A 1 J AK Remote Sensor N64H380A SO301 QTANC0301AWZZ J AH Terminal Antenna SOLM1 Solenoid Supplyes at...

Page 69: ... J AF Bracket AC Power Supply Cord 239 PCOVQ1008AWFW J AP Cover Heat Sink 242 QACCD0022AWZZ J AM AC Power Supply Cord 243 LANGT0042AWFW J AC Bracket PWB Support 244 92LCAB2919ASY1 J Front Panel Ass y 244 1 Front Panel Not Replacement Item 244 2 PCUSG0022AWZZ J AB Cushion Leg 245 92LN BAND1318A J AA Nylon Band 80mm 246 LANGK0129AWFW J AF Bracket Fan Support 247 NFANP0001AWZZ J AD Rotary Fan 248 92L...

Page 70: ... SPEAKER BOX PARTS CENTER SPEAKER GBOXS0015AWM1 901 92L121 0096 J AS Net Frame Ass y 902 92L314 0034 J AS Bottom Cabinet 903 92L291 0035 J AE Speaker Cord 907 92L394 0041 J AC Leg Cushion 908 92L372 0028 J AB Screw ø3 20mm 909 92L372 0082 J AB Screw ø3 20mm 911 VSP0010PBW28A J AZ Speaker Woofer 914 92L351 0316 J AC Label Specifications SPEAKER BOX PARTS SUB WOOFER CP SW478 900 92L10002W49210 J BB ...

Page 71: ...CD C478 478C 9 A B C D E F G H 1 2 3 4 5 6 Figure 10 CD MECHANISM EXPLODED VIEW CD C478 478C 306 1 701 304 701 302 301 702 702 303 M1 703 305x2 SW4 M2 305 PWB K 306 2 306 3 306 704 10 ...

Page 72: ...x6 607x2 604 607x2 611 611 611 x2 611 611 253 249 230 612 231 244 2 244 244 2 226 226 604 244 1 218 229 222 212 220 221 622 250 250 1 250 2 250 3 250 4 250 5 250 6 250 7 250 8 613 264 265 604x12 604x3 605x2 232 254 608x2 219 210 215 216 211 206 208 227 209 245 207 228 235 615 608 x16 613 PWB C3 PWB E PWB F1 PWB D PWB F2 PWB C2 PWB C1 217 223 225 224 213 225 1 225 2 225 3 225 5 225 4 223 1 223 2 22...

Page 73: ...8 478C PWB K CD MECHANISM PWB B 604 281 262 272 267 258 283 281 604 262 620x4 281 271 259 SOLM2 M3 602x2 SW2 268 278 266 274 276 277 277 263 603 617 275 273 617 280 279 281x2 281 612 257 281 281 SW3 201 619 616 261 260 1 260 2 260 3 260 282 609x2 609x2 202 203 205 204 604 618 270 269 12 ...

Page 74: ...3 905x2 905x2 SP3 4 909x2 911 SP1 2 908x4 910 Capacitor Capacitor 912 906 920x2 SP5 6 901 900 SUPER TWEETER SP5 L CH SP6 R CH TWEETER SP3 L CH SP4 R CH WOOFER SP3 L CH SP4 R CH SUPER TWEETER SP5 L CH SP6 R CH TWEETER SP3 L CH SP4 R CH WOOFER SP1 L CH SP2 R CH Capacitor 2 2µF BK YE BK BK RED RED ...

Page 75: ...CD C478 478C 13 A B C D E F G H 1 2 3 4 5 6 CP SW478 Figure 14 SPEAKER EXPLODED VIEW 2 3 14 RED BLACK 901 900 SP1 SP1 905x4 902 906 907 903 ...

Page 76: ...C478 478C 14 Figure 15 SPEAKER EXPLODED VIEW 3 3 A B C D E F G H 1 2 3 4 5 6 GBOXS0016AWM1 GBOXS0015AWM1 Center Speaker Rear Speaker 15 903 907x4 914 909x8 908x1 902 911 901 913x4 914 909x6 903 911 902 901 ...

Page 77: ...20TC75BK00 Speaker Cord x 2 Packing Add Top 92LBC75BK00 Packing Add Bottom 92L74231001900 Packing Add Left Right Packing Case SPAKC0677AWZZ TLABR0979AWZZ Polyethylene Bag Polyethylene Bag 92L411 0063 92L3191SW49210 92L71025002100 92L720TSW49200 Packing Add Bottom 92L720BSW49200 92L411 0108 92L411 0074 Polyethylene Bag Sheet Unit CP C478 Front Speaker L R Sub Woofer CP SW478 GBOXS0016AWM1 GBOXS0015...

Page 78: ...CD C478 478C 16 MEMO 17 ...

Page 79: ...CD C478 478C 17 MEMO 18 ...

Page 80: ...d in a retrieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A9707 2561 NS HA M SHARP CORPORATION Communication Systems Group Quality Reliability Control Center Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan ...

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