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Sharp CD-BA3000, Service Manual

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Sharp CD-BA3000 Service Manual Download Page 21

– 21 –

CD-BA3000

Figure 21 SCHEMATIC DIAGRAM (6/10)

7

8

9

10

11

12

C722

47/50

BI703

IC701

IX0334AW

SYSTEM MICROCOMPUTER

C726

470/6.3

C725

0.022 

R773 1K

R776 1K

R778 1K

R779 1K

R780 1K

R781 1K

XL701

4.1943MHz

C723

15P

C724

18P

R782 1K

R783 1K

R700

10K

R775 1K

R772 1K

R771 1K

R770 1K

R784 1K

R785 1K

R786 1K

R787 1K

R788 1K

R789 1K
R790 1K

C736

47/16

C737

0.022

R769

1K

R767 1K

R766 1K

R768 1K

R760 1K

R762 1K

R761 1K

R759 1K

R758 1K

R756 2.2K

10K 

R717 1K

R750 1K

R755 2.2K

R754 2.2K

R753 1.8K

R748

1K

R751 10K 

R728

 3.9K

R795

10K

R757

10K

R765 10K

R764 10K

R763 10K

L701
100

µ

H

D717

1SS133

Q709:RESET

Q709

KRC102M

R796 47K

D716 1SS133

C729

3.3/50

R798

4.7K

C728

0.01

C727 0.1/50

C730 0.022

D718 1SS133

R797 100K

C733

47/25 

C732 0.022 

C731 10/50

R799

100

D720

1SS133

D721

1SS133

IC704

KIA7042AP

RESET

RX701 

N63H380A

Q713

KTA1271Y

RS729 

680

Q715

KTA1271Y

RS721

1K

RS722

1K

Q714

KTA1271Y 

Q716

KTA1271Y

RS728

1K

RS730

680

RS727

1K

RS718 10K

RS719 22K

RS720 1K

RS713 1K

LED710

LED711

LED712

LED709

RS714 1K

RS710 1K

R811 1K

R812

1K

R810

1K

RS712 1K

IC702

BU2092F

RD27

1K

RD25

680 

RD30

2.7K

RD35

33K 

RD33

10K 

RD32

5.6K

RD29

2.2K

RD31

3.9K

RD34

18K 

RD36

100K

RD26

820 

RD28

1.5K

RD13

680 

RD14

820 

SW714

DIMMER

SW715

X-BASS

SW716

EQUALIZER

RD12

100K

RD09

10K 

RD08

5.6K

RD11

33K 

RD10

18K 

RD06

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

POWER

C720

0.001

C721 0.001

BI705B

BI705A

BI704 

CNS704 

M701

VOLUME

MOTOR

SW719

CD

SW725

MEMORY/

SET

SW726

PRESET

DOWN

SW723

TAPE

SW731

REC

PAUSE

SW734

TUNER

(BAND)

SW732

TUNING

UP

SW733

VIDEO/

AUX

SW728

PLAY

SW727

PRESET

UP

SW729

STOP

SW724

TUNING

DOWN

CNP704

LED722
4204SRT7

REMOTE

SENSOR

JOG701

JOG

LED709~LED712: SLI325YC
LED722: 4204SRT7

IC702: INPUT/OUTPUT EXPANDER

CNS703

D705

1SS133

M

1 

B

VOL_DOWN

VOL_UP

M+

M-

M+

+

VSS 

DATA

Q2

Q3

Q6

Q7

Q8

Q9

Q11

OE

__

VDD 

Q10

P17  12 - E

TO CD SERVO PWB

CD  INT

WRQ(DSP)

CD  CE

CD  DO

CD  DI

RES  OUT

D_GND

L 

R 

63Hz

10KHz 

A

1

7

1

7

G15

G14

G12

 

  /MOV  VOL  CONT  OPEN 

/SPN  B

  IN

B  (R_REC) 

AVREF 

SPEANA1 

XT2 

DRF 

RES  OUT 

-20dBATT

F 

A  (F-REC) 

  /MOV  VOL  CONT  CLOSE  

T2  RUN

CD  CLAMP  SW 

5V  BACK  UP

T_SOL  2 

F 

F 

G11

P01

P02

P03

P04

G1

G2

G3

G4

G5

G6

G7

G8

G9

G10

G11

AD 

 

K  LATCH 

 PLAY  SW_B

 PLAY  SW_A

SP  DET

SP  RLY

AC  RLY_CONT 

VDD 

TIMER  LED 

T_MOTOR 

T_SOL  1 

SMUTE 

VSS 

REMOCON 

JOG  0 

JOG  1 

SYS  STOP

KEY  0 

KEY  1 
KEY  2 

SPEANA0 

SPEANA2 

SPEANA3 

TUN  SM  /  M-BUSY 

AVSS

DO

DI

CLK 

CD  DO 

CD  CLK

VPP/IC

DP  REQ

S-BUSY

CE

 

 

P6

P4

P3

G15

G14

G13

CD  INT

WRQ 

CD  DI 

CD  CE 

RESET 

AVDD

X2

X1

VDD 

LCK  0 

LCK  1 

2 3 4 5

1

7 8 9

6

10

2 3 4 5

1

7 8 9

6

10

DRF

CLAMP  SW

CD  CLK

G01

G02

G03

G04

G05

G06

G07

G08

G09

G10

G13

P1

P2

G12

/DIST3 

/DIST2

/DIST1

/DIST0

T_OUT/SW  OUT/SPN  A

Q5

Q4

Q1

Q0

LCK

CLOCK

2
3
4
5

1

2

2

3

3

1

1

7
8
9

6

12
13
14
15

11

17
18
19

10

16

20

22
23
24
25

21

27
28
29

26

30

32

33

34

35

31

32

33

31

37

38

39

36

40

42 41

43

44

45

47

47

48

49

46

80

51
50

82 83 84 85

87 88 89

86

90

92 93 94 95

91

97 98 99

96

100

VDD

4 3 2 1

5

4

2

3

3

2 1

5

4 3 2 1

5

1

2

3

1

12

13

14

15

11

17

18

10

16

2
3
4
5

1

7
8
9

6

+B

+B

+B

+B

+B

+B

+B

+B

+B

CNP12

+B

+B

+B

+B

+B

+B

+B

1

2

3

JOG PWB-G2

SWITCH PWB-A5

VOLUME MOTOR

PWB-G1

2

3

1

7

8

9

6

12

13

14

15

11

17

18

19

10

16

29 20

30

32 31

FW701

Summary of Contents for CD-BA3000

Page 1: ...ON 37 FUNCTION TABLE OF IC 41 FL DISPLAY 47 REPLACEMENT PARTS LIST EXPLODED VIEW MINI COMPONENT SYSTEM MODEL CD BA3000 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 ...

Page 2: ...t terminals Video Auxiliary audio signal 500 mV 47 kohms Compact disc player section Type 3 disc multi play compact disc player Signal readout Non contact 3 beam semiconductor laser pickup D A converter 1 bit D A converter Frequency response 20 20 000 Hz Dynamic range 90 dB 1 kHz Tuner section Frequency range FM 87 5 108 MHz AM 530 1 720 kHz Cassette deck section Frequency response 50 14 000 Hz No...

Page 3: ...Mode Indicator 18 FM Stereo Indicator 19 Timer Record Indicator 20 Timer Play Indicator 21 On Stand by Button 22 Clock Button 23 Timer Sleep Button 24 Dimmer Button 25 Extra Bass Demo Mode Button 26 Equalizer Mode Selector Button 27 Volume Control 28 Headphone Socket 29 Function Selector Buttons 30 Tuning and Time Up Down Buttons 31 CD Track Down Review Button TUNER Preset Down Button TAPE 2 Rewin...

Page 4: ...ton 05 Clear Button 06 Track Down Review Button 07 Track Up Cue Button 08 Disc Skip Button 09 Play Repeat Button 10 Stop Button 11 Random Button Tuner control section 12 Preset Up Down Buttons Tape control section 13 TAPE 1 Play Button 14 TAPE 2 Record Pause Button 15 TAPE 1 2 Stop Button 16 TAPE 2 Play Button 17 TAPE 2 Rewind Button 18 TAPE 2 Fast Forward Button Common section 19 Equalizer Mode S...

Page 5: ...ay will flash on and off at the push of the CLOCK button when the AC power supply is restored after a power failure occurs or after the AC power lead is discon nected If this happens follow the procedure below to change the clock time To change the clock time 1 Press the CLOCK button 2 Within 5 seconds press the MEMORY SET button 3 Perform steps 6 9 above To change the time display mode 1 Perform ...

Page 6: ...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 when disassembling the unit After servicing the unit be sure to rearrange the leads where they w...

Page 7: ...mm G1 x2 ø3x10mm F2 x3 F3 x1 G2 x1 F4 x1 Push Power Supply PWB Headphones PWB Display PWB F1 x2 ø3x6mm G2 x1 F4 x1 Power Transformer PWB Headphones PWB K2 x1 K3 x1 H2 x4 ø3x12mm H5 x2 ø2x5mm H3 x1 H1 x1 H4 x1 Volume Motor Ass y Volume Motor L1 x5 ø3x10mm K1 x5 ø3x10mm J1 x2 ø3x10mm J2 x1 Display PWB Switch PWB Open Cassette Holder Tape Mechanism Turntable Disc Tray M2 x1 CD Player Unit M1 x2 1 3 2...

Page 8: ...Screw C1 x2 8 4 4 Woofer 1 Screw D1 x4 8 4 STEP REMOVAL PROCEDURE FIGURE Figure 8 3 Figure 8 1 Figure 8 2 CP BA3000 Figure 8 4 P2 x2 P1 x2 P2 x2 CD Servo PWB CD Player Chassis Q2 x3 Q1 x1 R1 x5 Q1 x1 Loading Motor PWB CD Mechanism A3 x4 ø4x20mm A2 x4 A1 x1 C1 x2 ø3x10mm B1 x4 ø3x10mm D1 x4 ø4x12mm Woofer Front Panel Tweeter Super Tweeter ...

Page 9: ...ler C1 x 1 pc in the direction of the arrow B Note When installing the pinch roller pay attention to the spring mounting position How to remove the belt TAPE 2 See Fig 9 4 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 1 See Fig 9 4 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 rem...

Page 10: ... pcs to remove the loading motor 2 Remove the drive belt A2 x 1pc Figure 10 1 ADJUSTMENT MECHANISM SECTION Driving Force Check Torque Meter Specified Value Play TW 2111 Tape 1 Over 80 g Tape 2 Over 80 g Torque Check Torque Meter Tape 2 Play TW 2111 30 to 80 g cm 30 to 80 g cm Fast forward TW 2231 70 to 180 g cm Rewind TW 2231 70 to 180 g cm Specified Value Tape 1 Specified Value Adjusting Point In...

Page 11: ...0308 Clamp SW not function High Low 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 adjustment 2 Tracking balance adjustment waveform drawing Fig 11 2 EFBL 3 Gain adjustment The gain is compensated inside the IC so that the loop gain at the gain ...

Page 12: ... IL Do normal play When these following key is input into PLAY key track number can be appoint directly PLAY key input MEMORY key input 1 key Track 4 2 key Track 9 3 key Track 15 STOP key input STOP Laser ON MEMORY key input Tracking OFF play at that specific point MEMORY key input Tracking ON play at that specific point STOP key input STOP IL isn t done VOL Last memory BAL CENTER P GEQ FLAT X BAS...

Page 13: ...ND DGND DIGITAL OUT B6 5V B5 5V RCHO RVSS LVSS LCHO IC2 LC78641E SERVO SIGNAL CONTROL M SW1 OPEN CLOSE XL1 16 934MHz 6 5 4 3 3 2 5 4 1 1 2 3 4 7 8 2 1 7 8 9 10 1 2 4 3 5 TO DIGITAL OUTPUT SECTION CNS99 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 DRF 52 51 XOUT XIN 73 5 18 36 44 49 50 7 14 15 ...

Page 14: ...RD 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 VCC 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 AM 12 13 9 10 18 11 16 3 8 4 15 10 9 7 7 1 8 17 18 4 1 8 4 7 21 1...

Page 15: ...SW716 SW723 SW729 SW731 SW734 TO CD SECTION Q701 Q703 Q710 Q712 AC POWER SUPPLY CORD IC701 1 2 IX0334AW SYSTEM MICROCOMPUTER FL701 DISPLAY 1 3 2 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 18 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 T F CONSTANT VOLTAGE REGULATOR 11 12 100 58 57 56 55 54 53 52 51 50 49 48...

Page 16: ...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 D 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 10 C53 0 001 R25...

Page 17: ...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 DRF 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 26 25 B 1 2 3 3 2 1 3 2 1 3 2 1 CD GND L99 2 2mH C99 100 10 C98 0 022 IC99 TOT...

Page 18: ...616 2 2K R614 330 Q606 KTC3199GR Q605 KTC3199GR R610 330 R609 330 R611 3 9K C604 0 022 C606 100 16 R864 150K R873 1K R872 1K D860 1SS133 D862 1SS133 IC860 KIA4558P OPE AMP R576 330 C864 22 25 R874 100K C863 22 25 R875 100K Q862 KTC3199GR R879 22K R878 22K R869 5 6K R868 5 6K Q863 KTC3199GR D861 1SS133 R854 10K R871 10K R156 220K Q864 KRC102M C153 100 16 C860 47 25 C859 0 1 ML R155 150 Q122 KTC3199...

Page 19: ...50 612 0 0027 R606 3 9K 608 1 C614 10 50 R608 10K 22 50 R861 68K R863 33K C861 0 022 864 50K R862 33K C862 0 022 R860 22K IC860 A4558P E AMP R 220 R164 4 7K R162 47K Q124 2SA1015GR L103 100µH C154 0 047 ML R166 22K Q126 KRC104M R167 47K C150 0 0082 P P R168 4 7 Q128 KTC3203Y L104 330µH C152 47 25 C151 0 039 ML R160 82 R633 39K R634 39K C632 390P C631 390P R632 4 7K R631 4 7K D562 1SS133 R569 100K ...

Page 20: ...CH 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 BACK 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 G9 G10 G11 VLOAD P12 P13 KOK LATCH ...

Page 21: ... BI704 CNS704 M701 VOLUME MOTOR SW719 CD SW725 MEMORY SET SW726 PRESET DOWN SW723 TAPE SW731 REC PAUSE SW734 TUNER BAND SW732 TUNING UP SW733 VIDEO AUX SW728 PLAY SW727 PRESET UP SW729 STOP SW724 TUNING DOWN CNP704 LED722 4204SRT7 REMOTE SENSOR JOG701 JOG LED709 LED712 SLI325YC LED722 4204SRT7 IC702 INPUT OUTPUT EXPANDER CNS703 D705 1SS133 M 1 B VOL_DOWN VOL_UP M M M VSS DATA Q2 Q3 Q6 Q7 Q8 Q9 Q11...

Page 22: ...ZJ36C C817 220 63 R802 2 2K D811 1N4004S D814 1N4004S D812 1N4004S D813 1N4004S C 0 C 0 D8 1N40 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 R803 12K C920 100 100 R959 8...

Page 23: ...H R928 10 1 2W R926 10 1 2W D909 1SS133 Q904 KTC3199GR Q903 KTC3199GR R925 10 1 2W R927 10 1 2W R929 56K L901 0 29µH D905 1N5402M 3 ZD901 MTZJ8 2C C901 3300 100 C903 4700 35 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 ...

Page 24: ...Q302 KTC3194Y R327 33 C318 100P CF303 C381 12P CH X352 4 5MHz R375 470 R316 4 7K C382 15P CH R374 1K R372 1K R373 1K R380 1 5K R381 10K C393 1 50 R379 C392 C397 0 022 C394 47 16 C3 10 R382 150 T35 C352 10 16 C351 0 022 C350 0 022 R351 5 6K C361 0 022 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 1...

Page 25: ... R374 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 382 50 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...

Page 26: ...C355 R588 R569 C576 R363 C566 R364 R568 R362 C563 R567 R562 R5 R579 C570 R578 R868 C615 R613 R621 R622 R615 R607 C636 R618 R617 C612 C611 R605 C604 C335 C332 R323 R356 C342 C363 C336 R350 C334 C361 C369 C316 R313 C366 R311 C309 C399 R351 C353 R365 C354 C350 R353 C312 C310 C313 C351 C311 R302 R327 C324 R325 R383 R380 R395 R393 C385 C318 R385 R377 C392 R379 C387 C386 R360 C381 C395 R359 C382 R376 R3...

Page 27: ...3 R154 R146 R142 R132 R126 R570 R112 R586 C574 R581 R589 C575 R122 R587 R582 R875 C861 R863 R873 R861 R864 R860 C862 R862 R872 R590 C573 R583 C577 R584 R588 R569 C576 R563 R564 C566 C561 R568 R565 C563 C562 R567 R562 R580 R573 R579 C567 R575 570 C568 R578 C571 R879 R868 R869 R878 C615 R613 R621 R616 C616 R622 R615 R607 R614 R608 C636 R124 R585 C635 R611 R612 R577 1 2 3 4 5 6 7 8 9 10111213 141516 ...

Page 28: ...783 R782 R768 R781 XL701 C725 R719 Q712 R705 Q701 R702 RS725 RS724 Q702 RS723 Q703 SW713 R716 Q713 Q716 R704 R701 Q714 BI704 Q715 Q711 Q710 C709 C736 C726 C722 R812 R811 R810 Q707 D715 D714 Q706 C717 C716 Q705 C719 Q708 Q704 D712 LED711 LED710 LED722 FW701 FW701 LED715 LE SW728 PLAY SW7 STO SW733 VIDEO AUX SW732 TUNING TIME RD10 RD11 R794 R740 R741 R R717 R750 R757 R795 RD30 R777 R724 R708 R707 R7...

Page 29: ...11 13 15 17 19 21 23 25 27 29 2 4 6 8 10 12 14 16 18 20 22 24 26 28 SW712 D721 RD03 R728 D705 D720 SW701 POWER CNS701 R700 SW702 CLOCK SW703 TIMER SLEEP SW714 DIMMER BI703 RD13 SW715 X BASS SW716 EQUALIZER SW723 TAPE RD26 RD27 SW724 TUNING TIME RD25 SW719 CD R762 C727 Q709 C728 C729 D717 D716 D718 C731 D707 IC704 D723 D722 C733 L701 RX701 C715 SW709 LED713 D709 R726 R725 R791 R744 R754 R753 R747 S...

Page 30: ...C928 C930 L902 L901 R932 C927 R929 C929 R923 R930 R931 D911 Q904 RL901 Q903 C925 Q905 R933 AC POWER SUPPLY CORD 229 AC 120V 60Hz RD CNS903 BR 2 1 M901 FAN MOTOR SO901 SPEAKER TERMINAL L CH R CH CNS901 P27 7 H TO MAIN 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 1 2 3 4 5 CNS801 CNS803 POWER SUPPLY PWB B1 F801 5A 125V 1 2 3 4 5...

Page 31: ... FW902 C952 C951 ZD951 R949 C946 R909 C918 R950 D913 C917 C915 C913 R962 R961 R903 R901 R902 R904 C920 C919 CNP901 R921 R917 R919 R918 R922 R920 C924 C923 Q902 CNS901 P27 7 H TO MAIN PWB JK670 HEADPHONES 1 2 3 4 5 HEADPHONES PWB A3 1 1 2 3 2 3 4 2 3 4 5 CNS801 CNS803 CNP803 5 4 3 2 1 CNS802 GY WH GY WH RD CNP802 F805 5A 125V F804 5A 125V T F T801 POWER TRANSFORMER F806 2A 250V 1 2 3 4 5 1 2 3 4 5 ...

Page 32: ...1 R16 R17 R39 R35 R44 C28 D22 D21 Q2 CNP3 C47 R96 R56 C50 R55 C49 CNP2 C52 Q3 C7 C54 R47 C51 C6 R25 C45 C11 CNP11 R58 R80 C64 ZD61 Q1 L62 R19 CNP12 R71 C24 R78 R73 R74 R75 L61 R76 CNP5 R68 R67 R77 R72 BI1B CNP1 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 6 5 4 3 2 1 6 5 4 3 2 1 2 1 1 2 3 1 2 3 4 5 6 7 8 9 10 1 2 3 1 5 10 15 16 20 25 30 1 2 R84 C40 R20 R83 R82 C43 R81 IC2 R94 R95 R45 R46 C82 R22 C29 IC3 C46 R48 ...

Page 33: ...MBLY P28 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 FFC702 CNS4 TAPE 1 PLAYBACK HEAD WH PK BK GY 2 1 1 2 3 4 5 6 7 3 WH BK PK P27 11 D TO MAIN PWB CNP101 P27 12 C TO MAIN PWB CNP102 TAPE 2 RECORD PLAYBACK HEAD TAPE MOTOR B A 1 1 2 3 4 4 5 6 7 8 9 10 11 12 13 1 13 SOLENOIDE SOLENOIDE SW SW SW PH PH MM1 WH RD YL...

Page 34: ...AGE 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 PIN NO VOLTAGE IC562 13 1V 1 3V 13 1V 13 1V 1 3V 0V 13 1V 18 3V 8 7 6 5 4 3 2 1 PIN NO VOLTAGE IC561 13 1V 1 4V 13 1V 13 1V 1 4V 0V 13 1V 18 3V 8 7 6 5 4 3 2 1 PIN NO VOLTAGE IC563 0V 0V 6V 2V 0 6V 7 6V 0V 6 3V...

Page 35: ...apacitor without such a symbol is microfarad As to electrolyticcapacitor theexpression capacitance 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 EQUALIZER ON OFF SW716 X BASS ON OFF ...

Page 36: ...CH4 0 00V BW FULL Trigger Filter Offset CH1 v DIV 500mV 1999 04 05 17 33 17 1 IC2 24 7 IC2 1 8 IC2 2 T T FDO SPDO Stopped CH1 200mV DC 10 1 CH2 500mV DC 10 1 500ms div 1999 04 07 09 51 15 500ms div NORM 20kS s 2 1 Record Length Smoothing ON CH1 0 000V CH2 0 000V Main 100K Zoom 2K 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...

Page 37: ...SKA0004AFZZ TROUBLE SHOOTING When the CD does not function When the CD section does not operate when the objective lens of the optical pickup is dirty this section may not operate Clean the objective lens and check the playback operation When this section does not operate even after the above step is taken check the following items Remove the cabinet and follow the trouble shooting instructions Tr...

Page 38: ...1 1 Is focus servo activated Waveform drawing Figure 38 2 Pins 1 11 on IC1 Check the laser diode driver Q3 peripheral circuit Focus error circuit pins 20 and 21 on IC1 When a disc is loaded start playback operation 2 Does DRF change from L to H Is the disc rotating 3 Is the HF waveform normal Waveform drawing Figure 38 3 Check the spin system If the disc is spinning and a HF waveform is generated ...

Page 39: ... peripheral circuits at pins 18 and 19 on IC1 pin 23 on IC2 and CNS1A B If the waveform shown in Figure 39 1 appears and soon after NO DISC appears 2 Tracking system check Check the TE waveform at pin 18 on IC1 A normal jump operation cannot be completed or the beginning of the track cannot be found Check the around pin 23 on IC2 Initialization is possible but play is not possible Data cannot be r...

Page 40: ...us CH3 0 00V CH4 0 00V BW FULL Trigger Filter Offset CH1 v DIV 500mV 1999 04 05 17 33 17 Is pin 35 C2F on IC2 L Yes No The HF waveform is normal and the time is displayed normally but no sound is produced Or the sound has dropouts 5 Others There are too many error flags on a damaged disc which makes error correction impossible Check again using a known good disc 1 When playing at normal speed Chec...

Page 41: ...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 23 TDO 2...

Page 42: ...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 purpose inp...

Page 43: ... 67 DI Input interface Data input terminal 68 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 S...

Page 44: ...put CE OUTPUT 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 SM M 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 KEY...

Page 45: ...34AWZZ System 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 G...

Page 46: ... 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 47: ... 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 NX NX P1...

Page 48: ...CD BA3000 48 MEMO ...

Page 49: ...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 for the electrolytic capacitors error is 20 Resistors VRD Carbon film type VRS Carbon film t...

Page 50: ...on 1SS133 D712 718 VHD1SS133 1 J AA Silicon 1SS133 D720 723 VHD1SS133 1 J AA Silicon 1SS133 D801 VHD1SS133 1 J AA Silicon 1SS133 D802 805 VHD1N4004S 1 J AB Silicon 1N4004S D806 808 VHD1SS133 1 J AA Silicon 1SS133 D809 VHDTS6B04GM 1 J AP Silicon TS6B04GM D810 VHDD10XB60F 1 J AL Silicon D10XB60F D811 818 VHD1N4004S 1 J AB Silicon 1N4004S D860 862 VHD1SS133 1 J AA Silicon 1SS133 D901 902 VHD1N4004S 1...

Page 51: ... 0 022 µF 25V C364 VCEAZA1CW106M J AC 10 µF 16V Electrolytic C365 VCTYPA1CX223K J AA 0 022 µF 16V C366 VCKYMN1HB102K J AA 0 001 µF 50V C367 368 VCEAZA1HW105M J AB 1 µF 50V Electrolytic C369 VCCUMN1HJ270J J AA 27 pF UJ 50V C370 372 VCEAZA1HW105M J AB 1 µF 50V Electrolytic C373 374 VCTYPA1CX153K J AA 0 015 µF 16V C380 VCEAZA1CW106M J AC 10 µF 16V Electrolytic C381 VCCCMN1HH120J J AA 12 pF CH 50V C38...

Page 52: ... MN2BD473J J AA 47 kohms 1 8W R109 110 VRD ST2CD472J J AA 4 7 kohms 1 6W R111 112 VRD MN2BD153J J AA 15 kohms 1 8W R113 114 VRD MN2BD103J J AA 10 kohm 1 8W R115 VRD MN2BD472J J AA 4 7 kohms 1 8W R117 118 VRD MN2BD102J J AA 1 kohm 1 8W R119 120 VRD ST2CD560J J AA 56 ohms 1 6W R121 122 VRD MN2BD104J J AA 100 kohm 1 8W R123 124 VRD MN2BD392J J AA 3 9 kohms 1 8W R125 126 VRD MN2BD562J J AA 5 6 kohms 1...

Page 53: ...hm 1 6W R805 VRD ST2EE100J J AA 10 ohm 1 4W R809 VRD ST2CD473J J AA 47 kohms 1 6W R850 VRD RT2HD3R3J J AA 3 3 ohms 1 2W R851 VRD ST2CD330J J AA 33 ohms 1 6W R852 VRD ST2EE223J J AA 22 kohms 1 4W R853 VRD ST2CD223J J AA 22 kohms 1 6W R854 VRD ST2CD103J J AA 10 kohm 1 6W R855 VRD RT2HD3R3J J AA 3 3 ohms 1 2W R860 VRD MN2BD223J J AA 22 kohms 1 8W R861 VRD MN2BD683J J AA 68 kohms 1 8W R862 863 VRD MN2...

Page 54: ... BASS SW719 92LSWICHT1663T J AC Switch Push Type CD SW723 92LSWICHT1663T J AC Switch Push Type TAPE SW724 92LSWICHT1663T J AC Switch Push Type TUNING TIME DOWN SW725 92LSWICHT1663T J AC Switch Push Type MEMORY SET SW726 92LSWICHT1663T J AC Switch Push Type PRESET DOWN SW727 92LSWICHT1663T J AC Switch Push Type PRESET UP SW728 92LSWICHT1663T J AC Switch Push Type PLAY SW729 92LSWICHT1663T J AC Swit...

Page 55: ...minal 286 QLUGP0002AWZZ J AB Lug Terminal 601 XBBSD20P04000 J AA Screw ø2 4mm 604 XEBSD30P12000 J AA Screw ø3 12mm 605 XESSD30P10000 J AA Screw ø3 10mm 606 XHBSD26P04000 J AA Screw ø2 6 4mm 607 XHBSD30P06000 J AA Screw ø3 6mm 608 XJBSD30P10000 J AA Screw ø3 10mm 609 XJBSD30P14000 J AA Screw ø3 14mm 610 XJBSF30P10000 J AA Screw ø3 10mm 611 XJSSD30P10000 J AA Screw ø3 10mm 613 LX HZ0082AFZZ J AA Scr...

Page 56: ...CD BA3000 56 A B C D E F G H 1 2 3 4 5 6 Figure 7 CD MECHANISM EXPLODED VIEW 7 CD BA3000 306 1 701 304 701 302 301 702 303 M1 703x2 305x2 SW4 M2 305 PWB D 306 2 306 3 306 704 ...

Page 57: ...201 21 214 FL701 201 21 201 207 201 1 233 285 201 2 201 17 201 4 201 6 201 7 201 5 201 3 201 22 225x2 201 23 213 274 274 275 237 212 229 203 203 2 203 1 231x2 231x4 231x2 PWB B2 PWB B1 201 17 201 18 201 10 201 15 215 201 9 201 8 226 276 614x2 282 273 605x2 605 605x4 286 610x2 283 280 277 278 279 272x3 284 T801 TAPE MECHANISM WITH JOG701 Motor Motor TAPE 2 Flywheel Ass y TAPE 1 Flywheel Ass y TAPE ...

Page 58: ... C D E F G H 1 2 3 4 5 6 9 CD BA3000 CD MECHANISM 205 257 235 266 243 224 259 239 239 204 204 2 204 1 239x4 PWB C 239 232 M3 SW3 PWB F 604x2 604x2 SW2 SW1 254 260 242 258 263 245 264 248 253 255 252 251 250x4 249 256 262 241 238 247 244 246 234 240 616 ...

Page 59: ...3 L ch SP4 R ch Tweeter SP3 L ch SP4 R ch Super Tweeter SP5 L ch SP6 R ch Super Tweeter SP5 L ch SP6 R ch 902 913x4 905x4 910x4 901 912x4 903 906 907 907 907 909 908 911x4 911x2 Cement Resistor Film Capacitor SP5 6 SP3 4 SP1 2 904 Polyswitch Film Capacitor 3 3µF 100V Polyswitch Polyswitch Cement Resistor 6 8Ω 40W RD BK BK RD BK RD RD Speaker Terminal Film Capacitor ...

Page 60: ...ns electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION Communication Systems Group Quality Reliability Control Center Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan COPYRIGHT 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED SL LAG A0005 464DS HA M ...

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