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Sharp CD-BA1200H, Service Manual

The Sharp CD-BA1200H is a high-quality audio system that combines functionality with sleek design. Featuring a user-friendly interface, this product ensures an exceptional audio experience. To make the most out of your device, you can easily obtain the operation manual for free download from our website.

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– 21 –

CD-BA1200H

Figure 21 SCHEMATIC DIAGRAM (2/10)

7

8

9

10

11

12

• The numbers   

1 

  to  

13 

 are waveform numbers shown in page 16.

 

CD SIGNAL

RES

WRQ

CE

DO

CL

DI

DRF

INT

+B

XVDD

RVSS

RCHO

RVDD

XIN

51

50

49

48

47

63

62

61

60

59

58

57

56

55

54

53

52

XOUT

XVSS

ASLRCK

ASDACK

ASDFIN

LRSY

DATACK

DATA

16M 

SFSY

SBSY

PW

64

SBCK

CE

CL

DI

DO

INT

WRQ

SERIAL

OUT 

EXTERNAL

AUDIO  IN

DIGITAL

FILTER

1BIT

DAC

LPF

INTERPOLATION

MUTE

ATTENUATION

DEEMPHASIS

CLOCK

GENERATOR

SUBCODE
DECODE
CRC

COMMAND

INTERFACE

AGND

R-CH

EMPH

MUTEL

MUTER

LVDD

LCHO

LVSS

+5V

DGND

1

2

3

4

5

+B

+B

CNS601

P22  1 - B

TO MAIN PWB

INT

DRF

WRQ

CE

DO

DI

CL

RES

DRF

GND

CD  RES

DI

CLK

DO

CE

WRQ

CDINT

CLAMP  SW

10

9

7

1

2

3

4

5

6

8

+B

+B

+B

P25  12 - B

CNS702

TO DISPLAY PWB

DISC_NO

O/C

GND(D)

M-

M+

CD LOADING
MOTOR PWB-E

TEST

DOUT

VDD 

C2F 

PCK 

40

39

38

37

36

35

34

33

32

31

30

29

28

27

EFLG

41

FSX 

CONT5

CONT4

CONT3

CONT2

CONT1

LASER

+B

+B

+B

1

3

2

42

41

40

39

38

37

36

LOADING  M-

VCC4

LD_M+

LD_M-

LOADING  M+

35

34

33

32

31

30

29

28

27

26

25

24

23

22

SPDO

VCC3

VCC2(SPN)

SP-

SP+

SPO

GND

+B

+B

JITTC

JITTV

EFMIN

EFBL

FDO

TDO

TBLO

BHREF

PHREF

ADAVSS

ADAVDD

VREF

TE

FE

PH(RFENV) 

BH

TDO 

SLDO

SPDO

FDO 

SPDO

FG(D_Vref)

SLDO

AUDIO

OUT

ERROR

CORRECT

GENERAL

SW

SERVO

PROCESSEROR

AUTO

ADJUST

S/H

JITER

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

DEFECT

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

+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

C19

100/10

R8

330

R10
27K

C26

0.047

C22

100P

R80

1M

R79

1.5M

C24

2.2/50

C21

0.1

C23

0.047

R12

680

R14

1.2K

R11
12K

R13

680

C81

0.022

C27

0.1

C17

0.0047

R15

10K

C20

0.1

C42
68P

C25

0.1

C41

100/10

C28

47/10

C82

0.022

R44

1K

C29

0.1

D93

DS1SS133

R43

220K

R35

1K

R38

270

R39

470

R16
10K

R17 1K

R46 1K

R45 1.2K

R40 1.2K

C31

100/10

C30

0.1

L61

0.82

µ

H

C64

0.47/6.3

ZD61

DZ3.9BSB

R19

47

C39

10/16

R58

220

Q1

KTC3203Y

CONSTANT VOLTAGE

C56

330/6.3

C83

0.022

R84

10K

C40

0.0015

C43

0.0015

R83

10K

C34

0.022

R82

2.2K

R81

2.2K

C38

10/16

R20

220

XL1

16.9344MHz

C45

100/10

C44

0.1

C80

0.1

R73 1K

R71 1K

C72 0.01

R72 1K

C71 100P

C73 100P

C75 100P

C76 100P

C77 100P

C78 100P

R75 1K

R76 1K

R77 1K

R78 1K

C74 100P

R74 1K

L62

2.2

µ

H

R94
10K

R95
10K

R67 1K

R68 1K

IC2

LC78641E

SERVO/SIGNAL

CONTROL

CNP11

CNP12

CNP4

SW3

DISC

NUMBER

SW2

CLAMP

SW1

OPEN/

CLOSE

D21

DS1SS133

R21

470

R22

470

Q2

KRC102M

D22

DS1SS133

C47

100/16

BI4

CNS4

M3
T/T

UP/DOWN

LOADING

1

6

9

13

2

10

11

12

3

7

8

Summary of Contents for CD-BA1200H

Page 1: ...U K ONLY 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 CD BA1200H Mini Component System consisting of CD BA1200H main unit and CP BA1200H speaker system Note for users in ...

Page 2: ...hazardous radiation exposure For U K Except for U K 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 STRALEN MED OPTISKA INSTRUMENT ADVERSEL USYNLIG LASERSTRALING VED ABNING SE IKKE IND I STRALEN HELLER IKKE MED OPTISKE INSTRUMENTER VARO AVATTAES...

Page 3: ...2 W Dimensions Width 270 mm 10 5 8 Height 300 mm 11 13 16 Depth 373 mm 14 11 16 Weight 5 0 kg 11 0 lbs Amplifier section Output power For U K RMS 20 W 10 W 10 W 10 T H D DIN 45 324 0 9 T H D RMS 14 6 W 7 3 W 7 3 W RMS 20 W 10 W 10 W DIN 45 324 DIN 45 500 RMS 14 6 W 7 3 W 7 3 W Output terminals Speakers 8 ohms Headphones 16 50 ohms recommended 32 ohms Compact disc player section Type 3 disc multi p...

Page 4: ... 14 Memory Set Button 15 CD TAPE Stop Button 16 CD Play Repeat Button TAPE Play Button 17 TAPE 2 Record Pause Button 18 Tuning and Time Up Down Buttons 30 TAPE 1 Cassette Compartment 31 TAPE 2 Cassette Compartment 19 CD Disc Number Indicators 20 Timer Indicator 21 Record Indicator 22 Sleep Indicator 23 Extra Bass Indicator 24 CD TUNER Memory Indicator 25 FM Stereo Mode Indicator 26 FM Stereo Indic...

Page 5: ...9 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 Selector Button 20 Function Selector Buttons 21 On Stand by Button 22 Extra Bass Button 23 Vo...

Page 6: ...edure 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 steps 1 2 in RESETTING THE MICROCOM PUTER 2 Perform steps 1 9 above Main unit operation 0 00 The 24 hour display will appear 0 00 23 59 AM 0 00 The 12 hour display will appear AM 0 00 PM 11 59 AM 12...

Page 7: ...m 4 10 cm 4 2 AA size batteries UM SUM 3 R6 HP 7 or similar 1 Remove the battery cover 2 Insert the batteries 3 Replace the battery cover 1 2 3 For U K AC power lead 1 Except for U K Left speaker Black Connections 4 AC 230 V 50 Hz 1 Connect the AM and FM aerials 2 Connect the speaker system 3 Connect the AC power lead Right speaker AM loop aerial FM aerial 1 2 Red For U K Except for U K ...

Page 8: ...ust the sound volume using the VOLUME buttons And then close the cassette door completely until it is locked TAPE 1 TAPE 2 PUSH EJECT PUSH EJECT 3 2 3 2 1 4 5 6 1 4 3 1 2 3 6 5 7 8 2 Resetting the microcomputer 1 Press the ON STAND BY button to enter the stand by mode 2 Whilst pressing down the button and the EQUALIZER X BASS DEMO button hold down the ON STAND BY button for at least 1 second CLEAR...

Page 9: ...nit 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 were before disassembling 4 Take sufficient care on static electricity of integrated circuits and other circuits when servicing F...

Page 10: ...J1 x2 1 2 K1 x3 K1 x3 L3 x2 L2 x2 L3 x2 CD Servo PWB Slide Chassis L1 x1 ø3x8mm E2 x2 E2 x1 E2 x1 E3 x1 Headphones PWB E1 x7 ø3x10mm Main PWB E1 x1 ø3x10mm E4 x1 F1 x3 ø3x8mm G1 x9 ø3x10mm G2 x1 H1 x5 ø3x10mm Display PWB Open Cassette Holder Tape Mechanism Clamp Lever CD Player Unit Top View Cam Gear Rib Figure 10 1 ...

Page 11: ... x1 N1 x5 M1 x1 Loading Motor PWB CD Mechanism Cam Gear Driver Driver should be pried away from Speaker Box Direction of handle Speaker Box A2 x1 A1 x1 Speaker Box Speaker A3 x4 ø3 5x13mm STEP REMOVAL PROCEDURE FIGURE 1 Speaker 1 Net A1 x1 11 2 2 Duct Panel A2 x1 3 Screw A3 x4 11 3 ...

Page 12: ...e arrow B Note When installing the pinch roller pay attention to the spring mounting position How to remove the belt TAPE 2 See Fig 12 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 12 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 remove the motor See Fig 12 5 1 Remov...

Page 13: ...d the front end of connector to protect the optical pickup from electrostatic damage A1 x2 A1 x1 Loading Motor Slide Chassis A1 x2 B1 x2 ø2 6 x6mm Shaft B2 x1 Stop Washer B3 x1 Gear B4 x1 CD Mechanism Pickup 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 8...

Page 14: ...ment is not needed when replacing the pickup Therefore different 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...

Page 15: ... micro micro farad and the unit of the capacitor 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 SW7...

Page 16: ...MAL 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 CH1 v DIV...

Page 17: ...2 TIN1 FIN2 FIN1 IC3 M63001FP FOCUS TRACKING SPIN SLED DRIVER IC1 LA9235M SERVO AMP TO MAIN SECTION TO IC601 R CH L CH AGND DGND 5V B4 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 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 76 45 46 47 48 32 31 30 65 66 67 68 69 70 71 72 CE...

Page 18: ...2 R T1 L T1 PLAYBACKAMP PLAYBACKANDRECORD IC101 AN7345K R L FM AM MPXIN STEREO AMRFIN AMOSCIN FM B Q360 VT FMOSC OSC 4 5MHZ X352 COVERAGE AM BAND AM TRACKING T303 Q301 X351 456kHz MO ST VCO DET FM FM B GND AM IF CF351 FM IF DET FM MPX AM IF LA1832S IC303 MIX CF352 T351 CF302 CF301 FM FRONT END TA7358AP FE301 AM LOOP ANTANNA FM ANTENNA 11 7 7 5 6 1 2 3 4 8 22 3 21 4 24 2 1 8 18 17 5 4 3 9 10 18 1 1...

Page 19: ... VOLTAGE REGULATOR IC902 SYSTEM MUTE CE DI CL DO B1 B3 XL701 4 1943 MHz D911 D914 D907 910 F901 T2 5A L 250V Vcc L R POWER AMP LA4282 IC901 BAIS T1 T2 AVDD SW723 SW725 SW709 SW721 SW701 SW703 KEY SECTION TO CD Q701 SUPPLY CORD AC 230V 50Hz AC POWER T F IC701 IX0337AW SYSTEM MICROCOMPUTER DISPLAY FL701 17 9 7 2 3 1 7 1 4 Q602 Q601 1 2 3 10 11 13 15 16 19 20 22 26 14 17 18 21 27 30 31 32 33 71 78 79...

Page 20: ...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 C 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 10 C54 47 10 C55 0 01 C51 47 10 C53 0 001 R25 10K C7 10 16 C8 0 1 R47 ...

Page 21: ...O ADJUST S H JITER 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 DEFECT 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 B 1 2 3 4 5 6 6 5 4 3 2 1 5 4 3 2 1 M 6 ...

Page 22: ...0K R602 330 R601 330 D902 1SS133 C603 22 25 R625 22K R615 3 9K C607 10 50 C609 0 1 ML C611 0 1 ML C623 1 50 C629 1 50 C617 1 50 C613 0 0027 C625 1 50 C627 1 50 R617 3 3K C633 0 001 IC601 LC75341 AUDIO PROCESSOR C630 1 50 C605 0 022 C604 100 25 C610 0 1 ML C612 0 1 ML C618 1 50 R616 3 9K C614 0 0027 C608 10 50 C606 22 50 C628 1 50 C626 1 50 C624 1 50 R618 3 3K LUG1 MECHA BASE GND R102 10K R101 10K ...

Page 23: ...R1 R2 R3 R4 L0 RIN TRE SS OUT REF DD CLK 10 4 5 7 6 9 2 3 8 1 5 15 14 16 21 10 12 22 11 13 20 1 21 1 CNP701 P25 12 D TO DISPLAY PWB MAIN PWB A1 1 3 MUTING MUTING SWITCHING BIAS BIAS OSC C630 1 50 C605 0 022 C604 100 25 C610 0 1 ML C612 0 1 ML C618 1 50 R616 3 9K C614 0 0027 C608 10 50 C606 22 50 C628 1 50 C626 1 50 C624 1 50 R618 3 3K R131 1 5K C131 0 022 6 8K R135 10K C133 0 0033 R129 3 9K C135 4...

Page 24: ...78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 54 53 52 31 32 33 51 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 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 100 6G 7G 8G 1G 2G 3G 4G 9G P14 P15 P16 2 13 12 11 10 9 8 7 2 1 3 4 5 6 B A M TAPE MECHANISM ...

Page 25: ...W D_GND 10 9 8 7 6 5 4 3 2 1 CNP12 TO CD SERVO PWB DISPLAY PWB A2 P21 12 F RESET R726 2 2K R727 2 2K R728 2 2K R719 1K R720 1K R721 1K R722 10K R724 1K IC701 IX0337AWZZ SYSTEM MICROCOMPUTER LED722 4204SRT7 R755 4 7K R725 1K R777 10K R776 10K R775 10K 31 273Y SW710 OPEN CLOSE SW709 DISC SKIP RD09 100K RD08 56K RD01 680 SW701 ON STAND BY RD02 820 SW702 CLOCK SW703 TIMER SLEEP RD03 1K RD04 1 5K RD05 ...

Page 26: ... 0 047 ML R922 22K R923 33 D918 1SS133 R925 22K C938 47 25 C939 0 1 ML C940 0 1 ML IC902 KIA7810AP VOLTAGE REGULATOR R926 10K C943 47 25 C944 0 022 D904 1SS133 D903 1SS133 C942 47 25 C941 0 047 ML C945 0 1 ML IC904 KIA7805P VOLTAGE REGULATOR IC903 AN78L05 CONSTANT VOLTAGE REGULATOR C933 68P K R930 220 R929 220 C954 100 50 R928 12K C955 C947 3300 25 D 1 D911 1N4004S D913 1N4004S D91 1N4 C946 2200 3...

Page 27: ...S D911 1N4004S D913 1N4004S D914 1N4004S CNP901 D910 RL203F D909 RL203F D907 RL203F D908 RL203F C950 0 047 ML F902 T1 6A L 250V F901 T2 5A L250V C946 2200 35 C951 0 047 ML ZD903 MTZJ6 2A PT801 MAIN POWER TRANSFORMER T F CNP801 SO902 AC INPUT SOCKET SO901 SPEAKER TERMINAL R916 330 C921 220P C922 220P L903 2 2mH R917 330 JK901 HEADPHONES FW902 L901 0 29µH L902 0 29µH R921 6 8 C923 0 022 C927 0 022 R...

Page 28: ...C302 0 001 C330 15P UJ C332 0 022 D302 1SS133 D301 1SS133 T306 CNP302 T303 C323 0 022 C335 560P L341 BALUN R336 10K C334 27P UJ R323 68K C342 0 022 R358 3 9K C362 3 3 50 C361 0 022 C363 0 022 C350 0 022 C352 10 16 T351 R351 5 6K CF302 R378 1K R382 150 C381 12P CH R380 1 5K C393 1 50 R379 2 2K C380 IC302 LC72131 IC302 PLL TUNER R372 1K X352 4 5MHz R381 10K C382 15P CH C397 0 022 C394 47 16 C392 0 0...

Page 29: ...2 3 3 50 C361 0 022 X351 456kHz C368 1 50 R350 2 7K C367 1 50 C365 0 022 C364 10 16 C363 0 022 L354 LOW PASS FILTER IC303 LA1832S FM IF DET FM MPX AM IF C373 0 018 C374 0 018 C369 27P UJ R356 1K R357 470K R364 15K C372 1 50 R362 1 2K C371 1 50 R361 1 2K R363 15K R392 270 Q360 KTA1266GR R391 270 C395 0 022 C396 100 10 ZD351 DZ5 1BSB L352 100µH R393 1K C370 1 50 R387 5 6K R355 3 3K C358 1 50 C357 2 ...

Page 30: ...50V C134 R142 C130 Q110 C138 R140 R139 C136 C131 Q111 C128 C135 C129 C122 IC101 R143 C116 C139 C123 L102 L101 R116 R117 C119 Q107 R115 C117 Q105 R114 Q104 Q109 R157 Q108 R138 Q106 CNP101 CNP102 C140 R149 L104 Q103 C108 C141 Q101 IC904 FW901 C922 C921 JK901 HEADPHONES L903 R916 FW901 R917 Q901 Q903 IC902 R604 Q102 C101 LUG1 1 5 MAIN PWB A1 TO POWER TRANSFORMER P35 8 C TO TAPE1 PLAYBACK HEAD TO TAPE...

Page 31: ...0 R615 C613 C629 IC601 ZD351 C617 L352 C623 C603 C633 R617 C625 C607 C626 C627 R603 R609 C628 R616 C612 6 ZD903 R928 D917 6 5 942 C945 C943 C944 6 VD301 4 R604 FFC21 AM LOOP ANTENNA 1 2 TO POWER TRANSFORMER 1 21 B C E 3 2 1 1 2 3 4 5 6 7 8 1 2 3 2 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 1 2 3 E C B 1 2 3 4 5 6 7 8 9 10 11 13 12 14 15 16 17 18 19 20 21 22 1 2 3 4 5 6 7 8 9 ...

Page 32: ...1 C702 SW711 EQUALIZER X BASS DEMO C719 C707 SW712 VOLUME UP R779 Q706 Q704 Q705 SW713 VOLUME DOWN SW724 TUNING TIME UP SW716 TUNING TIME DOWN SW719 FAST FORWARD P31 8 TO MAIN P CNP70 DISPLAY PWB A2 1 3 5 7 9 11 13 2 4 6 8 10 12 1 3 5 7 9 11 13 2 4 6 8 10 12 1 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 3 2 1 B C E B C E B C E I R701 R702 R703 R704 C704 C703 RD07 RD06 RD17 RD20 ...

Page 33: ... R729 SW709 DISC SKIP R732 C711 Q702 Q703 C712 R743 C713 D712 D701 C717 C708 C705 BI702 FL701 XL701 RD05 R728 R726 R727 R717 R716 R715 SW718 REWIND R769 CNS701 SW721 STOP LED722 SW725 TUNER BAND 9 RD P31 8 H TO MAIN PWB CNP701 1 10 3 5 7 9 11 13 4 6 8 10 12 15 17 14 16 19 21 18 20 1 2 3 E C B 1 2 3 B C E 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 R770 C714 RD02 R772 R7...

Page 34: ... GY WH GY WH RD WH GR WH GR 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 6 7 3 4 1 2 5 6 7 PICKUP UNIT 306 CD SERVO PWB B CD MOTOR PWB C 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 IC2 IC3 R48 C46 R21 R40 R45 R22 R46 R95 R94 C30 R82 C40 R84 R81 C43 R83 C80 R12 C23 R79 R13 C21 C81 R11 C25 R14 C22 R10 C20 R8 C27 C42 C26 R15 C82 C29 R4 R3 R54...

Page 35: ...PINK CNS4 TAPE MOTOR B A 1 1 2 3 4 4 5 6 7 8 9 10 11 12 13 1 13 CNP703 SOLENOIDE SOLENOIDE TAPE MECHANISM PWB D TAPE MECHANISM ASSEMBLY P32 4 H TO DISPLAY PWB CNS101 P30 2 G TO MAIN PWB P30 4 H TO MAIN PWB CNS102 TAPE 1 PLAYBACK HEAD TAPE 2 ERASE HEAD RECORD PLAYBACK HEAD FC702 CNP901 P30 2 C TO MAIN PWB BK BR YL YL RD BL PT801 MAIN POWER TRANSFORMER OR BL 1 2 3 4 5 6 1 2 CNP801 P31 12 C TO POWER ...

Page 36: ...57V 3 2 1 PIN NO VOLTAGE Q903 4 9V 0V 4 9V 3 2 1 PIN NO VOLTAGE IC704 0V 3 0V 3 3V 3 3V 0V 0V 0V 1 6V 1 6V 1 6V 1 6V 1 6V 1 6V 1 6V 1 7V 4 7V 0V 1 6V 0V 2 4V 3 3V 0V 1 6V 3 0V 0V 3 3V 0V 0 7V 0V 0V 0V 0V 0V 1 6V 3 3V 0V 1 6V 1 6V 1 6V 1 6V 0V 2 1V 2 1V 0V 3 3V 3 5V 3 3V 3 3V 3 3V 1 6V 1 6V 1 5V 0V 1 5V 3 0V 3 3V 1 8V 3 0V 0V 0V 0V 1 7V 2 4V 0V 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 20 19 ...

Page 37: ... 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 turn 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 any e...

Page 38: ...ithout inserting a disc and try starting the playback operation 2 Does the focus lens move up and down Waveform drawing 38 1 Check the focus peripheral circuit 3 Is the laser lit Spindle motor M1 4 Is the turntable rotating Figure 38 2 Figure 38 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 Length Smoo...

Page 39: ...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 39 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 NORMAL...

Page 40: ...rm is normal but the TOC data cannot be read Check the PDO waveform Figure 40 1 Check around pins 1 6 on IC2 Figure 40 1 Figure 40 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 Trigger Filte...

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: ...l 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 ...

Page 44: ...tput CLOCK OUTPUT 23 P21 DI Output DATA OUTPUT 24 P20 DO Output DATA INPUT 25 AVSS AVSS ANALOG GROUND 26 ANI7 TUN SM Input TUNER SIGNAL METER INPUT P17 M BUSY Input COMMUNICATE TO MPEG MICROCOMPUTER M_BUSY 27 ANI6 NO USE Input GND 28 ANI5 SPEANA 2 Input SPEANA DATA INPUT 16 kHz 29 ANI4 SPEANA 1 Input SPEANA DATA INPUT 1 kHz 30 ANI3 SPEANA 0 Input SPEANA DATA INPUT 63 kHz 31 33 ANI2 ANI0 KEY2 KEY0 ...

Page 45: ...UT1 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 OUT3 CH3 non inverted output 16 OUT3 CH3 inverted output 17 IN3 CH3 inverted input 18 VCC1 Power supply 1 CH1 CH2 CH3 19 STANDBY STANDBY signal input 20 VRFE CH1 CH4 Reference voltage input 21 MUTE Mute signal input CH6 22 IN5 CH5 inverted input 23 IN5 CH5 non inverted i...

Page 46: ...f RVref CONTROL CIRCUIT CONTROL CIRCUIT CONTROL CIRCUIT LOUT LBASS LIN LSEL0 L4 L3 L2 L1 R1 R2 R3 R4 RSEL0 R1N RTRE LTRE RBASS 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: ... e n r c s 2G U T V W a b k j h f m d g p e n r c s 3G U T V W a b k j h f m d g p e n r c s 4G U T V W a b k j h f m d g p e n r c s 5G U T V W a b k j h f m d g p e n r c s 6G U T V W a b k j h f m d g p e n r c s 7G U T V W a b k j h f m d g p e n r c s 8G U T V W a b k j h f m d g p e n r c s 9G 2G 3G 4G 5G 6G 7G 8G 9G 1G a b c d f g m e r p n h j k V T U W s L R ...

Page 48: ...CD BA1200H 48 M E M O ...

Page 49: ...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 for the electrolytic capacitors error is 20 Resistors VRD Carbon fil...

Page 50: ...racking T306 RCILB0058AFZZ J AM OSC T351 RCILI0019AWZZ J AD AM IF COILS L61 VP XHR82K0000 J AC 0 82 µH L62 VP XH2R2K0000 J AB 2 2 µH Choke L101 102 VP DH2R2K0000 J AB 2 2 mH Peaking L103 VP DH101K0000 J AB 100 µH Choke L104 VP MK331K0000 J AB 330 µH Choke L341 RBLN 0002AWZZ J Balun L342 VP DH2R2K0000 J AB 2 2 mH Peaking L351 352 VP DH101K0000 J AB 100 µH Choke L354 RFILL0001AWZZ J AE Low Pass Filt...

Page 51: ...5 VCEAZA1AW107M J AB 100 µF 10V Electrolytic C707 708 RC EZD105AF1H J AB 1 µF 50V Electrolytic C710 VCEAZA1EW476M J AB 47 µF 25V Electrolytic C711 712 RC EZD106AF1C J AB 10 µF 16V Electrolytic C713 RC EZD104AF1H J AB 0 1 µF 50V Electrolytic C714 VCTYMN1CY103N J AA 0 01 µF 16V C715 VCEAZA1HW335M J AB 3 3 µF 50V Electrolytic C716 VCTYBT1EF223Z J AA 0 022 µF 25V C717 RC EZD106AF1H J AB 10 µF 50V Elec...

Page 52: ...D182J J AA 1 8 kohms 1 6W R607 608 VRD MN2BD222J J AA 2 2 kohms 1 8W R609 610 VRD ST2CD103J J AA 10 kohm 1 6W R615 616 VRD ST2CD392J J AA 3 9 kohms 1 6W R617 VRD ST2CD332J J AA 3 3 kohms 1 6W R618 VRD MN2BD332J J AA 3 3 kohms 1 8W R625 VRD ST2CD223J J AA 22 kohms 1 6W R702 704 VRD MN2BD102J J AA 1 kohm 1 8W R705 707 VRD ST2CD102J J AA 1 kohm 1 6W R708 VRD MN2BD102J J AA 1 kohm 1 8W R709 718 VRD ST...

Page 53: ...6 92LHPC1LXASY J BD Pickup Unit Ass y 306 1 Pickup Unit Not Replacement Item 306 2 NGERR0043AFZZ J AC Gear Rack 306 3 MSPRC0961AFZZ J AA Spring Rack 701 XBSSD26P06000 J AA Screw ø2 6 6mm 702 XHBSD20P05000 J AA Screw ø2 5mm 703 XBBSD20P03000 J AA Screw ø2 3mm 704 LX WZ1070AFZZ J AA Washer ø1 5 ø3 8 0 25mm M1 92LMTR2790CASY J BB Motor with Chassis Spindle M2 92LMTR1854BASY J AP Motor with Gear Sled ...

Page 54: ...eft Right 4 SPAKC0896AWZZ J Packing Case Except for U K 4 SPAKC0982AWZZ J AR Packing Case For U K 5 SPAKP0013AWZZ1 J AC Polyethylene Bag Unit 6 SPAKZ0573AWZZ J Sheet CD Tray 7 TGAN 3170UMZZ J AE Resistration Card For U K Only 8 TINSE0310AWZZ J AG Operation Manual For U K 8 TINSZ0553AWZZ J AP Operation Manual Except for U K 9 TINSE0314AWZZ J AB Quick Guide For U K Only 10 TLABE0375AWZZ J Label Bar ...

Page 55: ...CD BA1200H 6 A B C D E F G H 1 2 3 4 5 6 Figure 6 CD MECHANISM EXPLODED VIEW CD BA1200H 306 1 701 304 701 302 301 702 303 M1 703x2 305x2 SW4 M2 305 PWB C 306 2 306 3 306 704 ...

Page 56: ...16 201 3 201 20 PT801 201 19 201 8 611x3 610 225x2 268 620 201 18 201 18 201 201 17 201 23 201 24 201 1 616 201 21 620 MM1 MAIN BELT FLYWHEEL ASS Y TAPE 1 FLYWHEEL ASS Y TAPE 2 PWB A1 231x4 601x3 FL701 270 214 213 237 612 605x9 606x2 614x7 610x3 621x7 610x2 610x2 271x2 226 201 22 201 10 201 15 201 14 201 12 201 13 201 11 221 219 208 612 222 606x2 220 209 230 Silicon grease FF REW ROLLER ASS Y FF R...

Page 57: ... H 1 2 3 4 5 6 CD BA1200H 248 CD MECHANISM 205 257 235 236 243 224 259 239 239 260 204 2 204 1 204 3 258 204 240 239x4 604x2 604x2 250x4 256 247 262 238 241 244 618 251 252 255 249 253 PWB B 239 254 246 232 263 234 M3 M3 PWB E 242 SW3 SW2 SW1 619 264 245 273 272 ...

Page 58: ...CD BA1200H 9 A B C D E F G H 1 2 3 4 5 6 Figure 9 SPEAKER EXPLODED VIEW CP BA1200H 907 905x4 904 906 902 903 901 BK RD SPEAKER SP1 L CH SP2 R CH SPEAKER SP1 L CH SP2 R CH SP1 L CH SP2 R CH ...

Page 59: ...10 Label Bar Code TLABE0375AWZZ CD BA1200H 11 Label Energy TLABZ0604AWZZ 12 Label Saving Energy TLABZ0605AWZZ 13 Label Feature Tape 1 TLABZ0788AWZZ 14 Label Feature Tape 2 TLABZ0787AWZZ 15 Polyethylene Bag Accessories 92LBAG1460C1 16 Polyethylene Bag AC Power Supply Cord 92LBAG1770A 17 FM Antenna 92LFANT1535A 18 Remote Control RRMCG0229AWSA CP BA1200H 1 Packing Add Speaker Bottom 92LN1885B 2 Packi...

Page 60: ...ieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A0004 2278DS HA M SG SK EX SHARP CORPORATION Communication Systems Group Quality Reliability Control Center Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan ...

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