Sharp CD-C7000W Service Manual Download Page 18 | Manualshive

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CD-K7000W/C7000W,CP-C7000

– 18 –

Figure 18 BLOCK DIAGRAM (2/4)

-B2

+B4

-20dB

ATT

SYSTEM

MUTE

Q605
Q606

Q603
Q604

DO

CL

DI

CE

MO/ST

+B4

SWITCHING

+B4

+B4

IC860

KIA4558P OPE AMP.

–B2

FM/AM

IC302

LC72131

PLL(TUNER)

FM/AM

OUT

+B4

IC702

BU2902F

IC703

L

R

BIAS

T1/T2

REC

MUTING

Q121

Q122

AC BIAS

R

L

JK601

VIDEO IN

L

L

R

R

R

L

R

R

L

L

AUX

TAPE

TUNER

CD

P.B

CNS11

FROM CD SECTION

CNP11

ERASE

HEAD

SWITCHING

SWITCHING

SWITCHING

BIAS

Q110

Q111

Q109

Q126

SWITCHING

Q124
L103

BIAS
OSC

Q128
L104

Q107
Q108

REC PB HEAD

TAPE 2

PB HEAD

TAPE 1

L-CH
R-CH

L-CH
R-CH

IC601

LC75341

AUDIO PROCESSOR

IC99

TOTX1784

OPTICAL FIBER

DATA LINK

H/N

P.B

+B4

R

R

L

L

REC

R

L

L NF

R NF

ALC

REC

T1/T2

T1/T2

NOR/
HIGH

REF

R REC

L REC

POP REDUCE

R NF

L NF

SWITCHING

Q103-
Q106

L(T2)

R(T2)

R(T1)

L(T1)

IC101

AN7345K

PLAYBACK AND RECORD

/PLAYBACK AMP.

R

L

FM/AM

MPXIN

STEREO

AM RF IN

AM OSC IN

AM IN

FM IN

AM OSC OUT

FM +B

FM

VT

FM OSC

OSC

X352

4.5MHZ

AM BAND

COVERAGE

AM

TRACKING

T303

T306

Q302

X351
456kHz

MO/ST

VCO

FM

DET

VCC

GND

AM IF

CF351

IC303

LA1832S

FM IF DET./FM MPX./AM IF

AM MIX

CF352

T351

FM RF

OSC

FM

L312

T301

T302

IC301

TA7358AP

FM FRONT END

BF301

B.P.F

FM

ANTENNA

AM LOOP

ANTENNA

16

12

13

9

10

18

11

16

17

3

8

4

15

10

9

7

7

7

1

8

17 18

4

1

2

8

4

6

7

21

12
13

1

2
3

20

19

7

18

10

8

17

13

21

4

5

2

3
4

6

9

16

12

15

1

5

1

3

8

4

3

2

1

1

3

21

7

9

8

5

17

6

21

2

1

20

22

11

17

16

15

9

6

5

7

13

14

12

15

16

4

7

FM OSC

CF303

FM IF

Q360

OSC BUFF

4

24

23

14

14

23

24

P.B

REC

CNP601

FROM MIC SECTION

CNSK1

1

2
3

3

2
1

FROM CD SECTION

CNP5

23

14

11

5

~

+B4

AM IF

1

2

CNP301

VDD

+5V

10

11
13

16

8

5

~

+B4

OPE

AMP.

KIA4558P

IC561
IC562
IC563

VCC

Q708

+B3

+B3

M

Q704
Q705

IC701
54PIN

IC701
53PIN

IC701
56PIN

IC701
55PIN

MM1

TAPE

MOTOR

SOLM1,SOLM2

SOLENOID

SWM2

T2 PLAY

SWM1

T1 PLAY

SWM4

R. PLAY

SWM3

F. PLAY

Q862
Q863

MOTOR
DRIVER

Q71
Q71

CNS99

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Summary of Contents for CD-C7000W

Page 1: ...CUIT 41 TROUBLESHOOTING CD SECTION 42 FUNCTION TABLE OF IC 46 FL DISPLAY 54 REPLACEMENT PARTS LIST EXPLODED VIEW CD K7000W CD C7000W CP C7000 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 chang...

Page 2: ...wdriver in order to turn the selector in either direction until the correct voltage figure is displayed in the window next to the adjustment screw Figure 2 AC POWER SUPPLY CORD AND AC PLUG ADAPTOR CAUTION INVISIBLE LASER RADIATION WHEN OPEN DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS VARNING OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD STIRRA EJ IN I STRALEN OCH BETRAKTA EJ ...

Page 3: ...disc multi play compact disc player Signal readout Non contact 3 beam semi conductor laser pickup D A Converter 1 bit D A converter Frequency response 20 20 000 Hz Dynamic range 90 dB 1 kHz Specifications for this model are subject to change without prior notice SPECIFICATIONS Tuner section Frequency range FM 88 108 MHz AM 531 1 602 kHz Cassette deck section Frequency response 50 14 000 Hz Normal ...

Page 4: ...ast Wind Button 23 CD Track Up Cue Button TUNER Preset Up Button TAPE 2 Fast Wind Button 24 Surround Button 25 Equalizer Mode Selector Button 26 Timer Set Indicator 27 On Stand by Button 28 Clock Button 29 Timer Sleep Button 30 Function Selector Buttons 31 Dimmer Button 32 Volume Control 33 CD Disc Number Select Buttons 34 Headphone Socket 35 Tuning and Time Up Down Buttons 36 CD Disc Skip Button ...

Page 5: ... TAPE 2 Rewind Button 22 CD Track Up Cue Button TUNER Preset Up Button TAPE 2 Fast Forward Button 23 Surround Button 24 Equalizer Mode Selector Button 25 Timer Set Indicator 26 On Stand by Button 27 Clock Button 28 Timer Sleep Button 29 Function Selector Buttons 30 Dimmer Button 31 Volume Control 32 CD Disc Number Select Buttons 33 Headphone Socket 34 Tuning and Time Up Down Buttons 35 TAPE 2 Reco...

Page 6: ...nd Button 13 Equalizer Mode Selector Button 14 TAPE 2 Reserve Play Button 15 CD TAPE Stop Button 16 CD Play Repeat Button TAPE 1 Play Button TAPE 2 Forward Play Button 17 Function Selector Buttons 18 On Stand by Button 19 Extra Bass Button 20 Volume Up Down Buttons Rear panel 1 AC Voltage Selector 2 AC Power Lead 3 CD Digital Output Socket 4 FM 75 Ohms Aerial Terminal 5 FM Aerial Earth Terminal 6 ...

Page 7: ...own Button TAPE 2 Fast Wind Button 8 CD Pause Button 9 CD Track Up Cue Button TUNER Preset Up Button TAPE 2 Fast Wind Button 10 Equalizer Mode Selector Button 11 TAPE 2 Reserve Play Button 12 CD TAPE Stop Button 13 CD Play Repeat Button TAPE 1 Play Button TAPE 2 Forward Play Button 14 Function Selector Buttons 15 On Stand by Button 16 Extra Bass Button 17 Volume Up Down Buttons CD C7000W 1 2 3 4 5...

Page 8: ...ar Caution The operation explained above will erase all data stored in memory including clock and timer settings and tuner and CD presets X BASS DEMO ON STAND BY SETTING THE CLOCK In this example the clock is set for the 24 hour 0 00 system ON STAND BY CLOCK MEMORY SET TUNING TIME 1 Press the ON STAND BY button to enter the stand by mode 2 Press the CLOCK button 3 Within 5 seconds press the MEMORY...

Page 9: ...n the cassette holder 10 6 2 Screw L1 x6 12 Headphones PWB 1 Screw M1 x1 10 6 13 Turntable 1 Hook N1 x2 11 1 2 Cover N2 x1 14 Disc Tray 1 Turn fully the lock lever in the 10 1 arrow direction 2 While holding the lock lever rotate 10 2 the cam gear until the cam gear rib engages with the clamp lever 3 Push the slide holder backward to 11 2 engage the claw with the groove and remove it in the direct...

Page 10: ...ply PWB Power Supply PWB CD K7000W ONLY F1 x3 ø3x10mm F1 x2 ø3x6mm G1 x3 ø3x10mm F2 x2 F2 x1 E2 x1 F3 x1 F4 x4 Push Power Supply PWB Headphones PWB H2 x4 ø3x12mm H5 x2 ø2x5mm J1 x2 ø3x10mm H3 x1 H1 x1 H4 x1 Display PWB Karaoke PWB Volume Mechanism Volume Motor CD K7000W ONLY K2 x1 K1 x11 ø3x10mm L1 x6 ø3x10mm M1 x1 ø3x10mm Display PWB Headphones PWB Open Cassette Holder Tape Mechanism ...

Page 11: ...1 5 2 Screw A2 x8 11 6 2 Tweeter 1 Front Panel B1 x1 12 1 2 Screw B2 x4 12 2 3 Mid Range 1 Screw C1 x4 12 2 4 Super Tweeter 1 Screw D1 x2 12 2 STEP REMOVAL PROCEDURE FIGURE Figure 11 4 CP C7000 Figure 11 5 Figure 11 6 Driver should be pried away from Speaker Box Screw Driver A1 x 1 A2 x8 ø4x16mm Woofer Front Panel Caution The metallic handles on the both sides of the speaker grill on the main spea...

Page 12: ...back Head Erase Head B1 x1 Ø2x9mm B1 x1 Ø2x5mm TAPE1 Playback Head How to remove the record playback and erase heads TAPE 2 See Fig 12 3 1 When you remove the screw A1 x 2 pcs the recording playback head and three dimensional head of the erasing head can be removesd How to remove the playback head TAPE 1 See Fig 12 4 1 When you remove the screw B1 x 2 pcs the playback head How to remove the pinch ...

Page 13: ...nium foil around the front end of connector so as to protect the optical pickup from electrostatic damage How to remove the belt TAPE 1 See Fig 13 1 1 Remove the main belt D1 x 1 pc from the motor side 2 Remove the FF REW belt D2 x 1 pc How to remove the belt TAPE 2 See Fig 13 1 1 Remove the main belt E1 x 1 pc from the motor side 2 Remove the FF REW belt E2 x 1 pc How to remove the motor See Fig ...

Page 14: ...Antenna Output TP302 2 Input Antenna Output TP301 TUNER SECTION fL Low range frequency fH High renge frequency AM IF 450 kHz 1 602 kHz T351 1 AM Band 531 kHz fL T306 2 Coverage 1 1 0 1 V AM Tracking 990 kHz 990 kHz fL T303 1 1 Input Antenna Output TP301 2 Input Antenna Output Speaker terminal FM RF Signal generator 1 kHz 75 kHz dev FM modulated FM Band 88 00 MHz T301 fL 1 Coverage 1 3 V 50 mV FM R...

Page 15: ...ifferent PWBs and pickups can be combined freely Each time a disc is changed these adjustments are performed automatically Therefore playback of each disc can be performed under optimum conditions Items adjusted automatically 1 Offset adjustment The offset voltage between the head amplifier output and the VREF reference voltage is compensated inside the IC Focus offset adjustment Tracking offset a...

Page 16: ... 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 SW724 TUNING DOWN ON OFF SW725 MEMORY SET ON OFF SW726 TRACK DOWN REVIEW ON OFF PRESET DOWN REWIND SW727 TRACK UP CUE PRESET UP ON OFF FAST FORWARD SW728 PLAY ON OFF SW729 S...

Page 17: ...GND B6 5V DIGITAL OUT L CH AGND DGND B5 5V RCHO RVSS LVSS LCHO IC2 LC78641E SERVO SIGNAL CONTROL M SW1 OPEN CLOSE XL1 16 9344MHz 6 5 4 3 3 2 5 4 1 3 2 1 1 2 3 4 7 8 2 1 7 8 9 10 1 2 4 3 5 SW2 CLAMP SW3 DISC NUMBER M3 T T UP DOWN MOTOR 6 1 2 4 3 5 6 1 2 4 3 5 6 75 37 76 45 46 47 48 32 31 30 65 66 67 68 69 70 71 72 CE CL DI DO INT WRQ RES DEF 52 51 XOUT XIN 73 5 18 36 44 49 50 7 14 15 16 23 24 25 26...

Page 18: ...CK AMP R L FM AM MPXIN STEREO AM RF IN AM OSC IN AM IN FM IN AM OSC OUT FM B FM VT FM OSC OSC X352 4 5MHZ AM BAND COVERAGE AM TRACKING T303 T306 Q302 X351 456kHz MO ST VCO FM DET VCC GND AM IF CF351 IC303 LA1832S FM IF DET FM MPX AM IF AM MIX CF352 T351 FM RF OSC FM L312 T301 T302 IC301 TA7358AP FM FRONT END BF301 B P F FM ANTENNA AM LOOP ANTENNA 16 12 13 9 10 18 11 16 17 3 8 4 15 10 9 7 7 7 1 8 1...

Page 19: ...3 SW734 TO CD SECTION Q701 Q703 Q710 Q712 AC POWER SUPPLY CORD F801 T6 3A L 250V F802 T3 15A L 250V F803 T3 15A L 250V IC701 IX0332AW SYSTEM MICROCOMPUTER FL701 DISPLAY 1 3 2 7 4 6 1 8 2 3 5 15 18 16 85 80 33 31 1 2 3 45 1 2 4 5 7 13 9 10 15 16 17 20 21 24 23 24 25 86 91 92 79 78 60 59 39 38 36 34 22 21 15 14 7 2 12 13 8 4 1 12 13 4 2 1 3 27 28 3 6 2 15 1 20 53 56 57 58 Q402 Q401 T F CONSTANT VOLT...

Page 20: ...CK1 M65856SP JK2 MIC2 DATA MIC1IN MICLOUT MIC1VOLIN MIC2IN MIC2OUT MIC2VOLIN CLDCK LATCH ROUT RIN LIN VCC GND LOUT QK2 QK1 PINK1 CHASIS GND JK1 MIC1 BIK1 CNSK1 1 2 3 4 5 6 7 8 9 10 11 OUT L OUT R IN L GND A IN R GND D DATA CLOCK LATCH MIC IN 10V A QK3 VRK2 MIC2 VOLUME VRK1 MIC1 VOLUME TO MAIN SECTION TO IC601 CD K7000W ONLY ...

Page 21: ...ONES PWB A3 DIGITAL OUTPUT PWB A4 2 3 1 2 3 1 2 3 1 CNP5 FW902 MIC SIGNAL CD K7000W ONLY FM SIGNAL 2 3 4 5 1 CK2 0 47 CK7 0 47 CK6 0 1 CK5 0 1 CK4 2 2 50 CK3 4 7 50 CK11 0 1 CK10 0 1 CK9 2 2 50 CK8 4 7 50 CK12 2 2 50 RK8 5 6K RK6 5 6K RK4 10K RK5 1K RK7 1K VRK2 20K B VRK1 20K B CK13 0 0047 CK17 220 10 CK16 0 22 CK15 0 068 ML CK14 0 001 CK1 0 01 RK11 1K RK10 1K RK9 1K ICK1 M65856SP MIC AMP RK2 56K ...

Page 22: ...R FO FO GND PD VR LD ACTUATOR FO FO TR TR 1 2 3 4 5 6 7 8 8 3 6 7 1 4 5 2 PICKUP UNIT GND D PUIN SP SP SL SL 3 2 5 1 4 6 2 3 5 1 4 6 3 6 1 4 5 2 2 3 5 1 4 6 CD MOTOR PWB F 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 SLDO FDO TDO MUTE Vref STANDBY VCC1 SL SL GND TR TR FO FO FO FD TO B B B B B B M M R54 68K R53 68K R52 68K R51 68K CNP1 R56 68K R55 68K C6 100 6 3 C54 47 10 C55 0 01 C51 47 1...

Page 23: ... DEFECT CONTROL A D SW D A B B 5 4 3 2 1 PCKIST VVDD VVSS PD02 PD01 73 80 79 78 77 76 75 74 FRAME SYNC DEFECT PROTECT EFM DECODE CLV CONTROL GENERAL SLICE LEVEL CONTROL PLL VCEC SLCO SLCIST HFL FR VDD5V CONT7 CONT6 VSS V vP FSEQ EFMO RES DEF O C DISC_NO B 72 71 70 69 68 67 66 65 11 10 9 8 7 6 24 23 22 21 20 19 18 17 16 15 14 13 12 B 1 2 3 4 5 6 6 5 4 3 2 1 5 4 3 2 1 M 6 L CH B B 46 45 44 43 42 B 2...

Page 24: ... 1 50 C627 1 50 C623 1 50 C625 1 50 C621 4 7 50 C619 1 50 C611 0 0027 C607 0 1 C609 0 1 C636 0 001 C635 0 001 R622 2 2K R612 3 3K R621 2 2K Q603 KTC3199GR Q604 KTC3199GR R615 2 2K C615 0 001 C616 0 001 R616 2 2K R614 330 Q606 KTC3199GR Q605 KTC3199GR R416 220 R610 330 R609 330 R611 3 3K C604 0 022 C606 100 16 R 3 C 0 R864 150K R873 1K R872 1K D860 1SS133 D862 1SS133 R 3 C 0 R8 22K IC860 KIA4558P O...

Page 25: ...0 BIAS BIAS OSC 9kHz 50kHz 10kHz 100kHz MIC SIGNAL C628 1 50 C626 1 50 C624 1 50 C630 1 50 R618 1 5K C622 4 7 50 C620 1 50 C612 0 0027 R606 3 9K C610 0 1 C608 0 1 C614 10 50 R608 10K C602 22 50 R861 68K R863 33K C861 0 022 R864 150K R873 1K 872 K R862 33K C862 0 022 R860 22K IC860 KIA4558P OPE AMP C863 22 25 R875 100K 3 Q121 KTC3199GR MUTING 22 25 C146 220 10 R158 220 R164 4 7K R162 47K Q124 2SA10...

Page 26: ... 5V 5V DI CE DO CLK SPAN_LCH SPAN_RCH M_ 10V 20dB ATT T_T1 T2 T_BIAS REC PLAY D_GND P19 P20 P24 MOV VOL CONT OPEN P25 SPN B MIC IN FPB R_REC TI RUN AVREF SPEANA1 XT2 DRF RES OUT 20dBATT F FPA F REC P23 MOV VOL CONT CLOSE T2 RUN CD CLAMP SW 5V BAC 10V 12V 10V 10V 0V 0V T_SOL 2 F F F G11 P01 P02 P03 P04 P05 P06 P07 P08 P09 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 G1 G2 G3 G4 G5 G6 G7 G8 G...

Page 27: ...06 2 7K RD07 3 9K RD04 1 5K RD03 1K RD05 2 2K RD01 680 RD02 820 SW712 DISC SKIP SW713 OPEN CLOSE SW711 DISC 3 SW710 DISC 2 SW709 DISC 1 SW703 TIMER SLEEP SW702 CLOCK SW701 ON STAND BY C721 0 001 C720 0 001 BI705B BI705A BI704 CNS704 M701 VOLUME MOTOR SW719 CD SW725 MEMORY SET SW726 SW723 TAPE SW731 REC PAUSE SW734 TUNER BAND SW732 TUNING UP SW733 VIDEO AUX SW728 SW727 SW729 SW724 TUNING DOWN CNP70...

Page 28: ... 47 50 ZD801 MTZJ36C C817 220 63 R802 2 2K D811 1N4004S D814 1N4004S D812 1N4004S D813 1N4004S C81 0 22 C81 0 22 D817 1N4004 Q803 KTA1274Y R805 10 D801 1SS133 RL801 D808 1SS133 D802 1N4004S T802 D804 1N4004S D805 1N4004S C802 0 047 ML D803 1N4004S C805 2200 6 3 R801 100 C804 10 16 D806 1SS133 Q801 AN78L05 C803 470 35 R809 47K R804 1K D807 1SS133 Q802 KTC3199GR C819 47 50 ZD802 MTZJ6 2A C820 100 35...

Page 29: ...3199GR R925 10 1 2W R927 10 1 2W R929 56K L901 0 29µH D905 1N5402M 33 ZD901 MTZJ13B C901 3300 100 C903 4700 50 D901 1N4004S D809 TS6B04GM C811 0 22 ML C812 0 22 ML C809 0 22 C810 0 22 C821 100 63 C815 100 50 D816 1N4004S D815 1N4004S D818 1N4004S C816 100 50 C818 47 50 ZD801 MTZJ36C C817 220 63 R802 2 2K D811 1N4004S D814 1N4004S D812 1N4004S D813 1N4004S C814 0 22 C813 0 22 D817 1N4004S C801 0 00...

Page 30: ...T302 R322 680 Q302 KTC3194Y R327 33 C318 100P CF303 C381 12P CH X352 4 5MHz R375 470 R316 4 7K C382 15P CH R374 1K R3 2 1K R373 1K R3 1 5 R381 10K C393 1 50 C397 0 022 C394 47 16 R382 150 C352 10 16 C351 0 022 C350 0 022 R351 5 6K C C362 3 3 50 R365 10K C342 0 022 R358 3 9K C334 27P UJ R323 68K T306 C323 0 022 C330 15P C331 0 047 C332 0 022 R336 10K C335 560P VD301 SVC348S D302 1SS133 D301 1SS133 ...

Page 31: ...4 1K R372 1K R373 1K R378 1K R380 1 5K R381 10K C393 1 50 R379 2 2K C392 0 001 C387 0 022 C397 0 022 C394 47 16 C380 10 16 C385 0 01 L351 100µH 2 R395 47K R385 5 6K R384 5 6K R360 4 7K C386 330P R377 47K R376 1K R359 1 8K R387 5 6K ZD351 MTZJ5 1B C396 100 10 Q360 KTA1266GR C391 47 16 R383 5 6K R392 270 R391 270 C388 0 001 R370 1K C355 22P CH L352 100µH R388 3 9K C370 1 50 C356 0 001 CF351 R353 270...

Page 32: ... 11 12 22 21 20 19 18 17 16 15 14 13 12 B C E 3 2 1 B C E 1 2 3 22 21 24 23 20 19 18 17 16 15 14 13 11 10 9 8 7 6 5 4 3 2 1 CD K7000W ONLY CD C7000W ONLY 9kHz 50kHz 10kHz 100kHz R CH L CH 22 21 24 23 20 19 18 17 16 15 14 13 S D G 1 2 3 E C B E C E B E C B 1 2 3 4 8 7 6 5 1 3 2 1 CNSK1 P37 10 E TO KARAOKE PWB 1 2 3 4 5 6 TO PO MAIN PWB A1 AM LOOP ANTENNA CD C7000W ONLY R864 R860 C862 R862 C388 C356...

Page 33: ...S11 CNP11 P38 4 A TO CD SERVO PWB 1 2 3 4 5 B C E B C E B C E E C B E C B B C E E C B 3 2 1 3 2 1 1 2 3 E C B B C E 1 7 1 7 1 2 3 TO TAPE2 RECORD PLAYBACK HEAD P39 10 E TO TAPE1 PLAYBACK HEAD 1 2 3 4 5 6 7 8 9 10 11 12 22 21 24 23 20 19 18 17 16 15 14 13 B C E E C B 1 2 3 1 2 3 B C E 3 4 5 6 7 8 9 10111213 141516 1718 CNP901 P36 5 A TO POWER SUPPLY PWB 1 5 RD WH GY WH GY 6 5 4 3 2 1 WH BK PK WH GR...

Page 34: ...E C B E C B E C B E C B E C B E C B B C E E C B E C B E C B E C B E C B B C E B C E E C B DISC3 DISC1 1 3 5 7 9 1113 2 4 6 8 10 12 1 13 TO TAPE MECHANISM PWB 1 5 CNS704 TRACK UP CUE PRESET UP FAST FORWARD 3 33 32 31 30 29 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 3 2 1 DISPLAY PWB A2 P39 9 A CNP704 BI705A 1 1 2 3 3 4 5 1 2 3 4 5 VOLUME MOTOR PWB E1 JO BK WH BK WH RD M701 VOLUME MOTOR RD WH BK R7 R7...

Page 35: ...W733 VIDEO AUX 1 1 30 3 5 7 9 11 13 15 17 19 21 23 25 27 29 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 P33 7 A TO MAIN PWB TRACK DOWN REVIEW PRESET DOWV REWIND 1 2 3 1 2 3 1 2 3 1 10 1 2 3 4 5 6 7 8 9 10 P38 5 A TO CD SERVO PWB 58 57 56 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 CNP701 RD WH GY WH GY WH GY WH GY WH FFC701 BR COLOR TABLE RD R OR YL GR BL VL GY WH W BK ...

Page 36: ... R959 D908 R915 R916 R941 R942 R926 R928 R925 R927 Q910 D910 R960 C928 C930 L902 L901 R932 C927 R929 C929 R923 R930 R931 D911 Q904 RL901 Q903 C925 Q905 C933 C931 R947 R945 L903 C935 C937 C939 C942 C941 BL BR AC POWER SUPPLY CORD 229 AC 110 127 220 230 240V 50 60Hz T802 POWER TRANSFORMER F801 T6 3A L 250V E C B 1 2 3 230 240V 220V 127V 110V RD CNS903 BR 2 1 M901 FAN MOTOR 2 1 SO901 SPEAKER TERMINAL...

Page 37: ...K44 RK11 QK1 CK32 CK43 CK29 RK40 CK31 RK36 CK30 CK26 ICK1 CK25 CK24 CK23 CK22 CK18 CK21 CK17 CK5 CK16 CK6 VRK2 MIC 2 VOLUME CK15 CK13 CK14 CK10 CK12 CK11 CK9 VRK1 MIC 1 VOLUME CK8 RK6 CK4 JK2 MIC 2 RK5 CK3 CK2 CK7 RK7 JK1 MIC 1 RK8 RK15 RK14 RK1 CK33 CK1 CK20 CK19 1 11 1 2 3 4 5 6 7 8 9 10 11 P32 6 A TO MAIN PWB KARAOKE PWB D PINK1 1 5 10 15 20 21 22 25 30 35 40 42 E C B E C B E C B CNSK1 CD K700W...

Page 38: ...BK PK WH BK PK WH 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 3 4 1 2 5 6 7 PICKUP UNIT 306 CD SERVO PWB C CD MOTOR PWB F DIGITAL OUTPUT PWB A4 SW4 PICKUP IN M2 SLED MOTOR 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 CNP3A E C B B C E 1 2 3 C99 L99 IC99 OPTICAL FIBER DATA LINK C98 BI99 1 1 3 3 2 3 2 1 IC2 IC3 R48 C46 R21 R40 R45 R22 R46 R94 R95 C30 R82 C40 R84 R81 C43 R83 C80 R12 C23 R79 R13 C21 C81 R11 ...

Page 39: ...TAPE MECHANISM PWB E TAPE MECHANISM ASSEMBLY P34 2 H TO DISPLAY PWB BR COLOR TABLE RD R OR YL GR BL VL GY WH W BK PK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK 6 5 4 3 2 1 FFC702 CNS4 P33 12 B TO MAIN PWB CNS102 TAPE 1 PLAYBACK HEAD WH PK BK GY 2 3 1 WH BK PK P33 11 D TO MAIN PWB CNP101 TAPE 2 RECORD PLAYBACK ERACE HEAD TAPE MOTOR B A 1 1 2 3 4 4 5 6 7 8 9 10 11 12 13 1 13 SOL...

Page 40: ...3 3V 1 8V 3 3V 1 1V 9 8 7 6 5 4 3 2 1 12 11 10 1 2V 1 2V 3 5V 2 0V 1 2V 1 2V 2 0V 2 0V 2 7V 0V 2 1V 0 9V 0V 1 9V 0 3V 0 9V 17 16 15 14 13 20 19 18 2 6V 2 0V 2 6V 2 0V 4 5V 4 8V 3 0V 3 3V 21 24 23 22 PIN NO VOLTAGE IC303 2 8V 0 2V 0V 0V 0 8V 0V 1 5V 0V 3 6V 0 4V 1 5V 0V 3 6V 0 4V 3 5V 0 3V 3 6V 0 3V 9 8 7 6 5 4 3 2 1 PIN NO VOLTAGE IC301 13 0V 12 8V 13 0V 13 0V 12 8V 0V 13 0V 18 3V 8 7 6 5 4 3 2 1 ...

Page 41: ...Mode NORMAL Type EDGE CH2 Delay 2 924ms Hold off 0 2us CH3 0 00V CH4 0 00V BW FULL Trigger Filter Offset 1 IC2 24 6 IC2 25 T FDO PDO2 PDO1 Stopped CH1 500mV DC 10 1 CH3 1V DC 10 1 CH4 1V DC 10 1 500ms div 500ms div NORM 20kS s 1 4 3 Record Length Smoothing ON CH1 0 000V CH2 0 0V Main 100K Zoom 2K Mode AUTO Type EDGE CH2 Delay 0 0ns Hold off 0 2us CH3 0 00V CH4 0 00V BW FULL Trigger Filter Offset C...

Page 42: ...to the CD disc tray with the brush side down then press the play button You will hear music for about 20 seconds and the CD player will automatically stop If it continuous to tum press the stop button 1 2 3 The CD lens cleaner should be effective for 30 50 operations however if the brushes become worn out earlier then please the cleaner disc If the CD cleaner brushes become very wet then wipe off ...

Page 43: ...ch SW1 without inserting a disc and try starting the playback operation 2 Does the focus lens move up and down Waveform drawing 43 1 Check the focus peripheral circuit 3 Is the laser lit Spindle motor M1 4 Is the turntable rotating Figure 43 2 Figure 43 3 Yes Yes Yes No No No No No No No Yes Yes No T FDO TDO Stopped CH1 500mV DC 10 1 CH3 500mV DC 10 1 500ms div 500ms div NORM 20kS s 1 3 Record Len...

Page 44: ...a disc and then try starting the play operation 3 Spin system check The spin driver circuit is OK 1 The turntable rotates a little Waveform drawing 44 2 Check around pin 25 on IC2 pins 15 and 16 on IC3 and CNS3A B 2 The turntable doesn t rotate T T TE DRF Stopped CH1 10V DC 10 1 CH2 1V DC 10 1 100ms div 100ms div NORM 100kS s 2 1 Record Length Smoothing ON CH1 0 0V CH2 0 00V Main 100K Zoom 2K Mode...

Page 45: ...F waveform is normal but the TOC data cannot be read Check the PDO waveform Figure 45 1 Check around pins 1 6 on IC2 Figure 45 1 Figure 45 2 T FDO PDO2 PDO1 Stopped CH1 500mV DC 10 1 CH3 1V DC 10 1 CH4 1V DC 10 1 500ms div 500ms div NORM 20kS s 1 4 3 Record Length Smoothing ON CH1 0 000V CH2 0 0V Main 100K Zoom 2K Mode AUTO Type EDGE CH2 Delay 0 0ns Hold off 0 2us CH3 0 00V CH4 0 00V BW FULL Trigg...

Page 46: ... 20 FE 21 FE 22 RFEV 28 RF 1 PDO1 2 PDO2 3 VVSS 4 PCKIST 5 VVDD 6 FR 7 HFL 8 SLCIST 9 SLCO 10 EFMIN 11 JITTV 12 JITTC 13 BH 14 PH RFENV 15 FE 16 TE 25 SPDO 26 SLDO 27 FG 28 LASER 29 CONT1 30 CONT2 CONT3 CONT4 CONT5 31 32 33 34 PCK 35 C2F 36 VDD 37 DOUT 38 FSX 39 EFLG 40 TEST EFMO DEFECT FSEQ V P CONT7 CONT6 VSS VDD DRF RES WRQ INT DO DI CL CE 17 VREF 18 ADAVDD 19 ADAVSS 20 PHREF 21 BHREF 22 TBLO 2...

Page 47: ...utput 25 SPDO Output 1 2VDD Output terminal for spindle control D A output 26 SLDO Output 1 2VDD Output terminal for sled control D A output 27 FG Input FG signal input terminal When not used connect to 0V 28 LASER Output L LASER ON OFF control terminal 29 CONT1 In Output Input mode General purpose input output terminal 1 Controlled with serial data command 30 CONT2 In Output Input mode General pu...

Page 48: ...8 DO Output L Data output terminal 69 INT Output H Interruption signal output terminal 70 WRQ Output H Interruption signal output terminal 71 RES Input Reset input terminal of LC78640 When turning on power set it at L 72 DRF Output L Focus ON detection terminal 73 VDD5V Power terminal for microcomputer interface 74 VSS Ground terminal of digital system Surely connected to 0V 75 CONT6 In Output Inp...

Page 49: ...UT 22 P22 CLK Output CLOCK OUTPUT 23 P21 DI Output DATA OUTPUT 24 P20 DO Input DATA INPUT 25 AVss AVSS ANALOG GROUND 26 ANI7 TUN SMIM BUSY Input TUNER SIGNAL METER INPUT 27 ANI6 SPEANA3 Input SPEANA DATA INPUT L R 16 KHz 28 ANI5 SPEANA2 Input SPEANA DATA INPUT L R 63Hz 29 ANI4 SPEANA1 Input SPEANA DATA INPUT R CH 1KHz 30 ANI3 SPEANA0 Input SPEANA DATA INPUT L CH 1KHz 31 33 ANI2 ANI0 KEY2 KEY0 Inpu...

Page 50: ... Microcomputer IX0334AW 2 2 Port Name Terminal Name Pin No Input Output In this unit the terminal with asterisk mark is open terminal which is not connected to the outside Function 1 IN2 CH2 inverted input 2 IN1A CH1 inverted input 3 IN1B CH1 output offset control 4 OUT1 CH1 inverted output 5 OUT1 CH1 non inverted output 6 OUT2 CH2 inverted output 7 OUT2 CH2 non inverted output 8 14 GND GND 15 OUT...

Page 51: ...ref RVref CONTROL CIRCUIT CONTROL CIRCUIT CONTROL CIRCUIT LOUT LBASS 0 1uF LIN LSEL0 L4 L3 L2 L1 R1 R2 R3 R4 RSEL0 R1N RTRE LTRE RBASS 0 1uF ROUT Yref VDD CL DI CE YSS CCB INTERFACE CD Tuner Tape Video 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 LC75341 DI CE VSS LOUT LBASS LTRE LIN LSEL0 L4 L3 L2 L1 CL VDD VREF ROUT RBASS RTRB RIN RSEL0 R4 R3 R2 R1 ...

Page 52: ...al delay 16 LPF1IN2 Input Low pass filter 1 input 2 Pre filter before A D convertor for digital delay 17 LPF1OUT Output Low pass filter 1 output Pre filter before A D convertor for digital delay 18 ADINTOUT Output A D integrator output Composes D A conversion integrator with external capacitor 19 ADINTIN Input A D integrator input Composes D A conversion integrator with external capacitor 20 ADCON...

Page 53: ...s a constant at time of phase shift 39 PS2 Input Phase shift input 2 Determines a constant at time of phase shift 40 LATCH Input Latch input via serial bus 41 CLOCK Input Clock input via serial bus 42 DATA Input Data input via serial bus 42 DATA 41 CLOCK 40 LATCH 39 PS2 38 PS1 37 VCFIL 36 LOUT 35 ROUT 34 SOURCEOUT 33 KEYCONIN 32 RIN 31 LIN 30 VOLIN 29 LPF2OUT 28 LPF2IN2 27 LPF2IN1 26 DAINTOUT 25 D...

Page 54: ...6 55 54 53 52 51 50 38 49 48 47 46 45 44 43 42 41 40 39 37 36 35 34 33 32 31 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 PIN NO PIN NO PIN NO CONNECTION CONNECTION CONNECTION 10G 11G 12G 13G 14G 15G 9G 8G 7G 6G 5G 4G 3G 2G P10 P11 P12 P9 P8 P7 P6 P5 P4 P3 P20 P21 P22 P23 P24 P25 P19 P18 P17 P16 P15 P14 P13 P2 1G F2 F2 F2 NP NP NP NP F1 F1 F1 NX NX NX NX NX NX N...

Page 55: ...pe 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 Z 80 20 If there are no indications fo...

Page 56: ...3 Y Q910 911 VSKRC107M 1 J AC Digital NPN KRC107 M QK1 VSKTC3203Y 1 J AC Silicon NPN KTC3203 Y CD K7000W Only QK2 3 VSKTC3199GR 1 J AB Silicon NPN KTC3199 GR CD K7000W Only DIODES D21 22 VHD1SS133 1 J AA Silicon 1SS133 D301 305 VHD1SS133 1 J AA Silicon 1SS133 D401 VHD1SS133 1 J AA Silicon 1SS133 D561 566 VHD1SS133 1 J AA Silicon 1SS133 D601 602 VHD1SS133 1 J AA Silicon 1SS133 D707 VHD1SS133 1 J AA...

Page 57: ...6 VCTYMN1EF223Z J AA 0 022 µF 25V C307 VCEAZA1CW106M J AC 10 µF 16V Electrolytic C308 VCCUMN1HJ4R7D J AA 4 7 pF UJ 50V C309 VCKYMN1HB102K J AA 0 001 µF 50V C310 VCCCMN1HH150J J AA 15 pF CH 50V C311 VCCSMN1HL180J J AA 18 pF 50V C312 VCTYMN1EF223Z J AA 0 022 µF 25V C313 VCCCMN1HH220J J AA 22 pF CH 50V C314 315 VCTYMN1CX472K J AA 0 0047 µF 16V C316 VCTYMN1EF223Z J AA 0 022 µF 25V C317 VCKYMN1HB102K J...

Page 58: ...CX103K J AA 0 01 µF 16V CD K7000W Only CK2 VCFYHA1HA474J J AD 0 47 µF 50V Thin Film CD K7000W Only CK3 RC EZY475AF1H J AB 4 7 µF 50V Electrolytic CD K7000W Only CK4 RC EZY225AF1H J AB 2 2 µF 50V Electrolytic CD K7000W Only CK5 6 VCFYDA1HA104J J AB 0 1 µF 50V Thin Film CD K7000W Only CK7 VCFYHA1HA474J J AD 0 47 µF 50V Thin Film CD K7000W Only CK8 RC EZY475AF1H J AB 4 7 µF 50V Electrolytic CD K7000W...

Page 59: ...1 402 VRD MN2BD104J J AA 100 kohm 1 8W R403 VRD ST2CD102J J AA 1 kohm 1 6W R404 VRD MN2BD102J J AA 1 kohm 1 8W R405 406 VRD MN2BD821J J AA 820 ohms 1 8W R407 410 VRD MN2BD472J J AA 4 7 kohms 1 8W R411 414 VRD MN2BD222J J AA 2 2 kohms 1 8W R415 VRD MN2BD472J J AA 4 7 kohms 1 8W R416 VRD ST2EE221J J AA 220 ohms 1 4W R417 VRD MN2BD682J J AA 6 8 kohms 1 8W R418 VRD MN2BD104J J AA 100 kohm 1 8W R419 VR...

Page 60: ...kohms 1 6W RD06 VRD MN2BD272J J AA 2 7 kohms 1 8W RD07 VRD MN2BD392J J AA 3 9 kohms 1 8W RD08 VRD MN2BD562J J AA 5 6 kohms 1 8W RD09 VRD MN2BD103J J AA 10 kohm 1 8W RD10 VRD MN2BD183J J AA 18 kohms 1 8W RD11 VRD MN2BD333J J AA 33 kohms 1 8W RD12 VRD MN2BD104J J AA 100 kohm 1 8W RD13 VRD MN2BD681J J AA 680 ohms 1 8W RD14 VRD MN2BD821J J AA 820 ohms 1 8W RD15 VRD MN2BD102J J AA 1 kohm 1 8W RD16 VRD ...

Page 61: ...Switch Key Type MEMORY SET SW726 92LSWICHT1663T J AC Switch Key Type TRACK DOWN REVIEW PRESET DOWN REWIND SW727 92LSWICHT1663T J AC Switch Key Type TRACK UP CUE PRESET UP FAST FORWARD SW728 92LSWICHT1663T J AC Switch Key Type PLAY SW729 92LSWICHT1663T J AC Switch Key Type STOP SW730 92LSWICHT1663T J AC Switch Key Type REVERSE PLAY SW731 92LSWICHT1663T J AC Switch Key Type REC PAUSE SW732 92LSWICHT...

Page 62: ...AB Spring Lock Lever 264 92LSP0304306 J Spring Lock Gear 265 KMECB0013AWZZ J BK Tape Mechanism Ass y 266 92LMT0304302 J Metal Plate 267 LANGK0057AWFW J AE Bracket Heat Sink A 268 LANGK0058AWFW J AE Bracket Heat Sink B 269 PSLDM5003AWFW J Shield Power Transformer 270 PRDAR0158AWFW J Heat Sink Sub A 271 LHLDZ1259AWZZ J Holder Surround LED 272 LHLDZ1247AWZZ J AE Holder Function LED 273 LHLDZ1253AWZZ ...

Page 63: ... AS Remote Control CD K7000W GFTAB1022AWSB J AK Battery Lid Remote Control P W B ASSEMBLY Not Replacement Item PWB A1 4 92LPWB3352MANS J Main Display Headphones Digital Output Combined Ass y PWB B1 2 92LPWB3352PWRS J Power Supply Power Amp Combined Ass y PWB C 92LPWB3306CDUS J CD Servo PWB D 92LPWB3352MICS J Karaoke CD K700W Only PWB E1 2 92LPWB3352VOLS J Volume Motor Jog PWB F QPWBF0027AWZZ J AD ...

Page 64: ...CD K7000W C7000W CP C7000 A B C D E F G H 1 2 3 4 5 6 Figure 9 CD MECHANISM EXPLODED VIEW 9 CD K7000W C7000W 306 1 701 304 701 302 301 702 303 M1 703x4 305x2 SW4 M2 305 PWB F 306 2 306 3 306 704 ...

Page 65: ...9 221 201 16 201 19 201 13 201 14 201 27 201 28 201 25 201 12 201 15 201 20 201 11 201 10 201 29 201 30 201 31 201 17 201 21 285x2 214 FL701 610x2 201 21 201 24 201 207 207 1 201 1 281x2 207 2 207 3 207 4 201 8 201 4 201 6 201 7 201 5 201 2 201 22 225x2 201 3 201 23 213 618 618 269 237 212 229 203 203 2 203 1 231x2 231x8 231x2 PWB B1 PWB B2 228 273 272 271 275 274 612 201 32 201 33 201 9 618x2 226...

Page 66: ... F G H 1 2 3 4 5 6 11 CD K7000W C7000W CD MECHANISM 205 257 235 266 243 224 259 239 239 204 2 204 1 204 3 204 239x3 PWB C 239 232 M3 SW3 PWB H 604x2 604x2 SW2 SW1 254 260 242 258 263 616 245 264 248 253 255 252 251 288 250x4 249 256 262 241 238 247 244 287 612 246 234 240 ...

Page 67: ... H 1 2 3 4 5 6 Figure 12 SPEAKER EXPLODED VIEW 1 2 12 CP C7000 BK RD BK BK BK RD RD RD 919x8 906 910 910 901 902 903 918x4 918x4 911x4 912x2 909 920x4 912x2 904 913 914 SP1 2 924 SP1 2 WOOFER SP1 2 WOOFER CROSSOVER NETWORK CROSSOVER NETWORK ...

Page 68: ... 917 905 915 C3 4 6 8µF 100V C1 2 3 3µF 100V SP5 6 Mid Range SP3 4 Tweeter SP7 8 Super Tweeter COPYRIGHT 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored 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 A0004 2730DS HA M SHARP...

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