Sharp CD-BP1200W Service Manual Download

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CD-BP1200W/1250W

– 22 –

• NOTES ON SCHEMATIC DIAGRAM can be found on page 14.

Figure 22 SCHEMATIC DIAGRAM (5/9)

M_GND

TAPE1_R

TAPE1_L

A_GND

ERASE

TAPE2_R2

TAPE2_R1

TAPE2_L1

TAPE2_L2

0.7V

ERASE

HEAD

TAPE 2

RECORD/

PLAYBACK/

ERACE HEAD

TAPE 1

PLAYBACK HEAD

R-CH

L-CH

R-CH

L-CH

+5v

CD_GND

L-CH

A_GND

R-CH

1
2
3
4
5

GND (A_GND)

GND (CD_GND)

+5V

POWER

SECTION

P24 1-G

TUN

DECK

AUX

LSEL0

-
+

CCB

INTERFACE

RSEL0

RIN

RTRE

RBASS

ROUT

VREF

VDD

CLK

LIN

LTRE

LBASS

LOUT

VSS

ALC

Nor/CrO2

Hich=T1

Hich=CHROME

56K

112K

56K

112K

3
4

CNP11

TO CD SERVO

PWB

P19 12-D

N.C.

FM SIGNAL

PLAYBACK SIGNAL
RECORD SIGNAL

CD SIGNAL

Q601,Q602 : SYSTEM MUTE

CHASSIS

IC601

LC75341

AUDIO PROCESSOR

C606 22/50

C608 10/50

C610

0.1(ML)

C612 0.1(ML)

C618 1/50

C614 0.0027

C624 1/50

C630 1/50

C626 1/50

C628 1/50

R618

3.3K

R141

10K

R140

10K

R142
220K

Q110

2SC3331

MUTING

R136

10K

C132

0.0033

R134

100

C134

47/25

C136

C130

0.022

R132

1.5K

C128
22/25

C126

270P

R128 6.8K

R130

3.9K

C146
0.001

R126

68K

R122

5.6K

C122 1/50

R124

33K

R116

C116

100/25

C118
0.033

R118

100K

R120

3.9K

C114
330P

R114

C112
330P

IC101

AN7345K

R135

10K

C135
47/25

C133

0.0033

R133

100

C129
22/25

C131

0.022

R131

1.5K

C127

270P

R127

6.8K

R129

3.9K

C139

3.3/50

C147 0.001

C137
0.022

R123

5.6K

R125

33K

C123

1/50

C121 560P

R121

3.9K

R119

100K

C117

100/25

R117

C115
330P

R115

R138

15K

C113
330P

C106
560P

Q108

2SC3331

SWITCHING

C107
560P

C119 0.033

Q109

2SC3331

SWITCHING

R112

4.7K

R110

47K

R111

4.7K

R113

47K

R107

2.2K

Q105

2SC1845 F

SWITCHING

R109

3.3K

C105
180P

Q107

2SC1845 F

SWITCHING

Q106

2SC1845 F

SWITCHING

R108

3.3K

R106

2.2K

Q104

2SC1845 F

SWITCHING

C104
180P

R105

R104

C120

560P

R137

15K

C103

560P

C102
560P

Q101

KTA1266 GR

SWITCHING

Q103

KRC104 M

SWITCHING

R103

4.7K

R101

10K

C101

0.047

R102

10K

Q102

KRC104 M

SWITCHING

C108

100/16

R157

100

R625

22K

C603
22/25

R610

10K

Q602

2SC3331

R617

3.3K

C627 1/50

C625 1/50

C623 1/50

C629 1/50

C617 1/50

C613 0.0027

R615

3.9K

C607

10/50

C609

0.1(ML)

C611 0.1(ML)

C604

100/25

C605
0.022

R609

10K

R601

330

R603

1.8K

R607

2.2K

C601

0.001

C602
0.001

R608

2.2K

R604

1.8K

R602

330

CNP101

CNP102

BI601

CNS601

Q601

2SC3331

0.7V

3.4V

9.3V

9.6V

9.3V

0.7V

Summary of Contents for CD-BP1200W

Page 1: ...T PARTS LIST EXPLODED VIEW 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 BP1200W Mini Component System consisting of CD BP1200W main unit and CP BP1200 speaker system S...

Page 2: ... appropriate voltage number appears in the window 110V 127V 220V or 230V 240V AC QACCE0007AW00 Figure 2 AC POWER SUPPLY CORD AND PLUG ADAPTOR QACCL0002AW00 QACCZ0008AW00 QACCJ0006AW00 QACCA0004AW00 QPLGA0003AWZZ QPLGA0004AWZZ CAUTION This Mini Component System is classified as a CLASS 1 LASER product The CLASS 1 LASER PRODUCT label is located on the rear cover Use of controls adjustments or perfor...

Page 3: ...on ductor laser pickup D A converter 1 bit D A converter Frequency response 20 20 000 Hz Dynamic range 90 dB 1 kHz Frequency range FM 88 108 MHz AM 531 1 602 kHz Amplifier section CD BP1250W Output power MPO 32 W 16 W 16 W 10 T H D RMS 20 W 10 W 10 W 10 T H D RMS 14 6 W 7 3 W 7 3 W 0 9 T H D Output terminals Front speakers 8 ohms Surround speakers 16 ohms Headphones 16 50 ohms recommended 32 ohms ...

Page 4: ...nction Selector Buttons 18 Headphone Socket 19 Equalizer Mode Selector Extra Bass Demo Mode Button 20 Volume Up Down Buttons 21 Tuning and Time Up Down Buttons 22 TAPE 1 Cassette Compartment 23 TAPE 2 Cassette Compartment 24 CD Disc Skip Button 25 CD Track Down Review Button TUNER Preset Down Button TAPE 2 Rewind Button 26 CD Track Up Cue Button TUNER Preset Up Button TAPE 2 Fast Forward Button 27...

Page 5: ...mber Select Buttons 3 Memory Button 4 Pause Button 5 Clear Button 6 Track Down Review Button 7 Track Up Cue Button 8 Disc Skip Button 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...

Page 6: ... in areas where the AC wall socket and AC power plug can be directly connected see illustra tion Note for users in Australia and New Zealand An AC plug adaptor is not supplied if the lead has an Austra lian Standard plug AM FM interval span The International Telecommunication Union ITU has established that member countries should maintain either a 10 kHz or a 9 kHz interval between broadcasting fr...

Page 7: ... 00 23 59 AM 0 00 The 12 hour display will appear AM 0 00 PM 11 59 AM 12 00 The 12 hour display will appear AM 12 00 PM 11 59 ON STAND BY CLOCK MEMORY SET TUNING TIME AM 0 00 0 00 AM 12 00 PREPARATION FOR USE Remote control When inserting or removing the batteries push them towards the battery terminals Installing the batteries incorrectly may cause the unit to malfunction Precautions for battery ...

Page 8: ...wer 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 Figure 8 2 Figure 8 3 STEP REMO...

Page 9: ...Disc Tray Loading Chassis L3 x2 L2 x3 L3 x2 CD Servo PWB Disc Tray 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 Front Panel G1 x9 ø3x10mm G2 x1 H1 x5 ø3x10mm Display PWB Open Cassette Holder Tape Mechanism Front Panel Clamp Lever CD Player Unit Top View Cam Gear Rib Figure 9 1 ...

Page 10: ... M1 x1 CD Mechanism Disc Tray Speaker Box A1 x1 A2 x1 Driver should be pried away from Speaker Box Screwdriver Speaker Box Speaker A3 x4 ø3 5x13mm STEP REMOVAL PROCEDURE FIGURE 1 Speaker 1 Net Frame Ass y A1 x1 10 2 2 Duct Panel A2 x1 3 Screw A3 x4 10 3 CP BP1200 1250 ...

Page 11: ...Note When installing the pinch roller pay attention to the spring mounting position How to remove the belt Tape 2 See Fig 11 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 11 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 11 5 1 Remove the scre...

Page 12: ...oil around the front end of connector to protect the optical pickup from electrostatic damage A1 x3 T T Up Down Motor Disc Tray A1 x2 Pulley Drive Belt A2 x1 Motor 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 P...

Page 13: ...this CD system incorporates the following automatic adjustment functions readjustment is not needed when replacing the pickup Therefore different PWB and pickup 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 ...

Page 14: ...the unit of the capacitor without such a symbol is micro farad 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 REF NO DESCRIPTION SW1 OP...

Page 15: ...IN2 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 B3 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 ...

Page 16: ...HING Q104 Q107 L T2 R T2 R T1 L T1 IC101 AN7345K PLAYBACK AND RECORD PLAYBACK AMP R L FM AM MPX IN STEREO AM RF IN AM OSC IN FM B Q360 VT FM OSC 4 5MHZ X352 COVERAGE AM BAND AM TRACKING T303 Q302 X351 456kHz MO ST VCO DET FM FM B GND AM IF CF351 IC303 LA1832S FM IFDET FM MPX AM IF AM MIX CF352 T351 RF FM OSC FM L312 CF303 T302 FM FRONT END TA7358AP IC301 BF301 FM ANTENNA TERMINAL 22 3 21 4 24 2 1 ...

Page 17: ...0V Vcc POWER AMP LA4282 IC901 BAIS AVDD KEY SW701 SW703 SW709 SW721 SW723 SW725 SECTION TO CD AC POWER SUPPLY CORD AC 110V 127 220 230 240V 50 60Hz TF801 IC701 IX0337AW SYSTEM MICROCOMPUTER FL DISPLAY FL701 7 13 10 2 5 11 1 3 33 32 31 71 30 11 10 6 5 4 1 2 99 80 33 31 45 7 111213 9 10 15 16 17 20 21 23 22 24 100 78 60 5957 565554 5352 50 51 49484746 44 43424140 39 38 37 36 35 34 4 2 1 CD BP1250W O...

Page 18: ...UATOR 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 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 2 7V 3 3V 1 5V 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 00...

Page 19: ...CKIST 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 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 4V 5V 3 3V 0V 1V 0V C19 100 ...

Page 20: ...2 1 3 4 5 6 M TAPE MECHANISM PWB D TAPE MOTOR 13 13 1 1 SOLENOID SOLENOID FFC13 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 80 79 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 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 1 29 30 52 51 DISPLAY PWB A2 FL701 FL DISPLAY C708 1 50 R743 33 C705 100 10 R775 10K R776 10K R777 10K R721 1K LED722 R729 2 2K ...

Page 21: ... C707 1 50 R744 1K Q701 KRC107 M C702 220 10 C701 0 022 BI702 CNS701 R769 10K C716 0 022 R773 100 D711 1SS133 D707 1SS133 C719 47 16 C715 3 3 50 IC704 KIA7042AP D708 1SS133 Q707 KRC102 M D710 1SS133 RX701 REMOTE SENSOR R772 4 7K L701 100µH D709 1SS133 C714 0 01 R770 47K C717 10 50 R771 100K C718 0 022 RD19 3 9K RD24 100K RD23 33K RD16 1 5K RD21 10K RD15 1K RD13 680 RD18 2 7K RD22 15K RD20 5 6K RD1...

Page 22: ...0 0 022 R132 1 5K C128 22 25 C126 270P R128 6 8K R130 3 9K C146 0 001 R126 68K R122 5 6K C122 1 50 R124 33K R116 56 C116 100 25 C118 0 033 R118 100K R120 3 9K C114 330P R114 1K C112 330P IC101 AN7345K R135 10K C135 47 25 C133 0 0033 R133 100 C129 22 25 C131 0 022 R131 1 5K C127 270P R127 6 8K R129 3 9K C139 3 3 50 C147 0 001 C137 0 022 R123 5 6K R125 33K C123 1 50 C121 560P R121 3 9K R119 100K C11...

Page 23: ...2 3 4 5 6 7 9 11 12 B B B B B 21 1 FFC21 CNS701 TO DISPLAY PWB MAIN PWB A1 1 3 P21 11 D A_10V 20 21 SW601 SPAN SELECTOR 50 9 kHz 100 10 kHz N C GND A_GND GND D_GND N C 20 21 22 23 24 25 26 27 28 SPAN SW OUT B B B B B B B CNP701 C142 47 25 R149 4 7 L104 330µH C141 0 039 ML Q114 KTC3203 Y BIAS OSC C140 0 0082 P P C148 0 047 R148 22K R147 47K Q113 KRC104 M BIAS R145 4 7K R144 47K Q112 KTA1266 GR SWIT...

Page 24: ...B B B B B B B 19 C912 0 1 ML C919 10 50 C918 220P R909 56K C914 470 25 R908 120 R906 1K R913 4 7 C913 0 1 ML C917 0 1 ML R911 270 1 2W R912 4 7 C916 0 1 ML R910 270 1 2W C909 0 082 ML R907 1K R905 120 C905 0 022 C903 470P C908 0 082 ML C911 0 022 C904 470P C907 100 25 C906 47 25 C915 470 25 C910 100 25 R915 820 Q902 KRC102 M R914 22K Q901 KRC102 M D902 1N4004S D918 1SS133 C944 0 022 R926 10K C945 ...

Page 25: ...901 SPEAKER TERMINAL HEADPHONES PWB A3 MAIN PWB A1 2 3 5 1 B B Q904 KTA1266 GR R930 220 R929 220 C954 100 50 R928 12K C955 47 50 D910 RL203F D909 RL203F D907 RL203F D908 RL203F C947 3300 25 C951 0 047 ML C950 0 047 ML D917 1N4004S ZD903 MTZJ6 2A C956 47 50 ZD902 DZ300BSB R927 2 2K C957 47 50 C958 100 50 C959 100 50 D916 1N4004S D915 1N4004S C953 0 047 ML C952 0 047 ML D912 1N4004S D911 1N4004S D91...

Page 26: ...47K R376 1K R386 22K C368 1 50 R350 2 7K C367 1 50 C355 22P IC303 LA1832S FM IF DET FM MPX AM IF X351 456KHz C373 0 015 C374 0 015 C369 27P UJ R356 1K R357 470K R363 6 8K R364 6 8K C372 1 50 R362 680 C371 1 50 R361 680 C365 0 022 C366 0 001 C364 10 16 C363 0 022 R352 1K T351 CF352 C342 0 022 C361 0 022 C362 3 3 50 R365 10K C350 0 022 C352 10 16 C351 0 022 R351 5 6K R358 3 9K C397 0 022 C394 47 16 ...

Page 27: ... 9 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 ...

Page 28: ...GND L CH R CH GND R CH L CH GND L CH R CH GND R CH SURROUND SPEAKER FRONT SPEAKER SO901 SPEAKER TERMINAL CD BP1250W ONLY 2 1 SO902 AC INPUT SOCKET AC110 127 220 230 240V 50 60Hz CD BP1250W ONLY POWER TRANSFORMER HEADPHONES 1 5 HEADPHONES PWB A3 2 2 3 3 4 5 1 1 7 8 9 6 TP302 TP301 P33 8 F C330 C323 C317 C303 C305 C304 C306 R381 C301 C302 R374 R378 R372 R373 R388 R376 C382 R359 C395 C381 R360 C386 C...

Page 29: ...NS102 C140 R149 L104 C108 C141 Q101 C109 FW901A F901 T2 5A L 250V F902 T1 6A L 250V W902 Q102 C101 C903 IC905 IC902 IC904 E C B 1 2 3 1 2 3 POWER TRANSFORMER MAIN PWB A1 6 5 4 3 2 1 RD WH GR WH GR 1 2 3 4 5 CNP11 TO CD SERVO PWB P32 4 A P33 11 E TAPE 1 PLAYBACK HEAD P33 10 E 5 Q103 230 229 1 2 3 4 5 6 7 2 3 4 5 1 7 8 9 6 12 11 10 13 14 15 17 18 19 16 20 21 22 23 24 20 18 16 14 12 10 21 19 17 15 13...

Page 30: ... RX701 3 2 1 Q701 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 2 3 1 18 19 22 23 24 25 21 27 28 29 20 26 30 32 33 31 1 100 1 3 5 7 2 4 6 8 1 3 5 7 9 2 4 6 8 11 13 10 12 TO TAPE MECHANISM PWB FFC13 13 1 P33 9 A R702 R703 R704 C704 C703 RD07 RD06 RD17 RD20 RD19 RD26 RD09 R708 R744 C718 ...

Page 31: ...WIND R769 CNS701 SW721 STOP LED722 RD SW725 TUNER BAND SW715 TAPE 2 3 4 5 1 2 3 1 7 8 9 6 12 13 14 15 11 17 18 9 10 16 10 1 1 0 95 90 85 81 80 75 70 65 60 55 51 50 45 40 35 31 30 25 20 15 10 5 5 7 9 6 8 11 13 15 17 19 21 10 12 14 16 18 20 CNP701 TO MAIN PWB FFC21 21 1 1 2 3 4 5 6 7 8 9 10 RD WH GR WH GR WH GR WH GR WH CNP12 TO CD SERVO PWB P32 5 A P29 11 D CNS702 R770 C714 RD02 R772 R760 RD04 R763...

Page 32: ... GY WH GY WH GY WH RD WH GR WH GR 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 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 R51 R53 ...

Page 33: ...LACK PINK CNS4 TAPE MOTOR B A 1 1 2 3 4 4 5 6 7 8 9 10 11 12 13 1 13 CNS703 SOLENOID SOLENOID TAPE MECHANISM PWB D TAPE MECHANISM ASSEMBLY P30 5 G TO DISPLAY PWB CNP101 P29 11 B TO MAIN PWB P29 11 C TO MAIN PWB CNP102 TAPE 1 PLAYBACK HEAD TAPE 2 ERASE HEAD RECORD PLAYBACK HEAD FFC13 CNP901 P29 11 E TO MAIN PWB YL YL BR BR WH WH PT801 POWER TRANSFORMER RD OR BR YL BL 1 2 3 4 5 6 5 4 3 2 1 CNP801 P2...

Page 34: ...NORMAL Type EDGE CH2 Delay 2 924ms Hold off 0 2µs 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 2µs CH3 0 00V CH4 0 00V BW FULL Trigger Filter Offset CH1 v ...

Page 35: ...c 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 excess f...

Page 36: ...1 without inserting a disc and try starting the playback operation 2 Does the focus lens move up and down Waveform drawing 36 1 Check the focus peripheral circuit 3 Is the laser lit Spindle motor M1 4 Is the turntable rotating Figure 36 2 Figure 36 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 S...

Page 37: ...sc 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 37 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 NOR...

Page 38: ...form is normal but the TOC data cannot be read Check the PDO waveform Figure 38 1 Check around pins 1 6 on IC2 Figure 38 1 Figure 38 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 2µs CH3 0 00V CH4 0 00V BW FULL Trigger Fil...

Page 39: ...E 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 5V DEF RES WRQ INT DO DI CL CE 17 VREF 18 ADAVDD 19 ADAVSS 20 PHREF 21 BHREF 22 TBLO 23 ...

Page 40: ...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 purpose ...

Page 41: ...minal 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 DEF Output L Focus ON detection terminal 73 VDD5V Power terminal for microcomputer interface 74 VSS Ground terminal of digital sys...

Page 42: ...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 SPEANA3 Input Speana data input 16 kHz 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 ANI...

Page 43: ...trol 4 FO CH1 inverted output 5 FO CH1 non inverted output 6 TR CH2 inverted output 7 TR CH2 non inverted output 8 14 GND GND 15 SL CH3 non inverted output 16 SL CH3 inverted output 17 SLDO 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 inpu...

Page 44: ...Vref RVref CONTROL CIRCUIT CONTROL CIRCUIT CONTROL CIRCUIT LOUT LBASS LIN LSEL0 L4 L3 L2 L1 R1 R2 R3 R4 RSEL0 RIN RTRE LTRE RBASS ROUT Vref VDD CL DI CE VSS 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 RTRE RIN RSEL0 R4 R3 R2 R1 ...

Page 45: ...g p 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 46: ...CD BP1200W 1250W 46 M E M O ...

Page 47: ... type without lead wire VC CY Square type without lead wire VC CZ Square type without lead wire VC J The 13th character represents capacity difference J 5 K 10 M 20 N 30 C 0 25 pF D 0 5 pF Z 80 20 If there are no indications for the electrolytic capacitors error is 20 Resistors VRD Carbon film type VRS Carbon film type VRN Metal film type VR MF Cylindrical type without lead wire VR MN Cylindrical ...

Page 48: ... 330 µH Choke L312 RCILR0056AWZZ J AB FM RF L351 352 VP DH101K0000 J AB 100 µH Choke L701 VP DH101K0000 J AB 100 µH Choke VARIABLE CAPACITORS VD301 VHCSVC348S 1 J AK Variable Capacitance SVC348S VD302 303 VHCSVC211C 1 J AG Silicon Variable Cap SVC211C VIBRATORS X351 92LCRSTL1425A J AF Crystal 456 kHz X352 RCRSP0002AWZZ J AH Crystal 4 5 MHz XL1 92LCRSTL1746AT J AH Crystal 16 9344 MHz XL701 RCRSP000...

Page 49: ...A 15 pF 50V C704 VCCSMN1HL180J J AA 18 pF 50V C705 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 ...

Page 50: ...ohms 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 ST2CD102J J AA 1 kohm 1 6W R719 721 VRD MN2BD102J J AA 1 kohm 1 8W R722 VRD MN2BD103J J AA 10 kohm 1 8W R724 725 VRD ST2CD102J J AA 1 kohm 1 6W R726 729 VRD ST2CD222J J AA 2 2 kohms 1 ...

Page 51: ...w 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 SW4 QSW F9001AW01 J AD Switch Leaf Type Pickup In CABINET PARTS 201 92LCAB3328AASY J Front Panel Ass y 1200W 201 92LCAB3329AASY J Front Panel Ass y 1250W 201 1 Front Panel Not Replacement Item 201 2 GDORF0076AWSA J AE Cassette Holder Tape 1 201 3 GDO...

Page 52: ...E0445AWZZ J Label Bar Code 1250W TLABG0006AWZZ J AB Label Aregentina Caution For Aregentina TLABG0007AWZZ J AC Label Aregentina Caution Set For Aregentina TLABH0056AWSA J AF Sheet E C Comparison 1200W TLABH0057AWSA J AF Sheet E C Comparison 1200W TLABH0058ANSA J Sheet E C Comparison 1200W TLABZ0799AWZZ J Label Carton 1200W TLABZ0800AWZZ J Label Feature Tape 1 TLABZ0801AWZZ J Label Feature Tape 1 T...

Page 53: ...CD BP1200W 1250W 6 A B C D E F G H 1 2 3 4 5 6 Figure 6 CD MECHANISM EXPLODED VIEW CD BP1200W 1250W 306 1 701 304 701 302 301 702 303 M1 703x2 305x2 SW4 M2 305 PWB C 306 2 306 3 306 704 ...

Page 54: ...5x2 268 620 201 21 201 21 201 201 1 616 201 24 620 PWB A1 231x4 FL701 270 214 213 237 612 614x5 271 226 201 25 201 10 201 15 201 14 201 12 201 13 201 11 221 219 208 612 222 220 209 230 Silicon grease PWB A2 IC904 IC902 614x2 IC905 IC901 PWB A3 Motor Flywheel Roller Ass y Flywheel Ass y Tape2 FF REW Roller Ass y FF REW Roller Ass y Belt Connection Main Belt Motor 233 229 LED722 605x5 621x2 621x2 60...

Page 55: ... G H 1 2 3 4 5 6 CD BP1200W 1250W 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 PWB E 242 SW3 SW2 SW1 619 264 245 273 272 ...

Page 56: ...CD BP1200W 1250W 9 A B C D E F G H 1 2 3 4 5 6 Figure 9 SPEAKER EXPLODED VIEW 1 2 CP BP1200 1250 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 57: ...CD BP1200W 1250W 10 Figure 10 SPEAKER EXPLODED VIEW 2 2 GBOXS0043AWM1 A B C D E F G H 1 2 3 4 5 6 SP1 L CH SP2 R CH 901 905x6 903 904 SP1 L CH SP2 R CH 902 BK BK CD BP1250W Only ...

Page 58: ...CD BP1200W 1250W 11 M E M O ...

Page 59: ...CD BP1200W 1250W 12 M E M O ...

Page 60: ...etrieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A0006 1947DS HA M SA SZ EX SHARP CORPORATION Communication Systems Group Quality Reliability Control Center Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan ...

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