Sharp CD-BA200 Service Manual
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Sharp CD-BA200 Service Manual

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See also: Operating Manual , Quick Manual
IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) ....................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 2
NAMES OF PARTS ........................................................................................................................................................... 3
OPERATION MANUAL ...................................................................................................................................................... 5
QUICK GUIDE ................................................................................................................................................................... 6
DISASSEMBLY .................................................................................................................................................................. 7
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 10
ADJUSTMENT ................................................................................................................................................................. 11
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 13
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 14
BLOCK DIAGRAM ........................................................................................................................................................... 15
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 18
VOLTAGE ........................................................................................................................................................................ 36
TROUBLESHOOTING (CD SECTION) ........................................................................................................................... 37
FUNCTION TABLE OF IC ................................................................................................................................................ 41
FL DISPLAY ...................................................................................................................................................................... 47
REPLACEMENT PARTS LIST/EXPLODED VIEW
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
- 1 -
CD-BA200
CD-BA200 Mini Component System consisting of CD-BA200
(mini unit) and CP-BA200 (speaker system).
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-BA200
No. SY967CDBA200/
Page

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  • Page 1: Table Of Contents

    SERVICE MANUAL No. SY967CDBA200/ CD-BA200 CD-BA200 Mini Component System consisting of CD-BA200 (mini unit) and CP-BA200 (speaker system). • In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used.

  • Page 2: Important Service Notes (For U.s.a. Only)

    CD-BA200 FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) BEFORE RETURNING THE AUDIO PRODUCT (Fire & Shock Hazard) Before returning the audio product to the user, perform the following safety checks.

  • Page 3: Names Of Parts

    CD-BA200 NAMES OF PARTS CD-BA200 Front panel 1. (CD) Disc Tray 2. Extra Bass Indicator 3. Spectrum Analyzer/Volume Level Indicator 4. (CD) Disc Number Indicators 5. (CD/TUNER) Memory Indicator 6. (TAPE 2) Record Indicator 7. (CD) Play Indicator 8. (CD) Music Schedule Indicators 9.
  • Page 4 CD-BA200 Front speaker CP-BA200 1. Super Tweeter 2. Tweeter 3. Bass Reflex Duct 4. Woofer 5. Subwoofer 6. Main Speaker (Woofer, Tweeter and Super Tweeter) Wire 7. Subwoofer Wire Remote Control 1. Remote Control Transmitter LED CD Control section 2. Disc Number Select Buttons 3.

  • Page 5: Operation Manual

    CD-BA200 OPERATION MANUAL – 5 –...

  • Page 6: Quick Guide

    CD-BA200 – 6 –...

  • Page 7: Disassembly

    CD-BA200 DISASSEMBLY CD-BA200 Caution on Disassembly Follow the below-mentioned notes when disassembling (A1)x2 Top Cabinet the unit and reassembling it, to keep it safe and ensure ø3x12mm excellent performance: 1. Take cassette tape and compact disc out of the unit.
  • Page 8 CD-BA200 (L2) x1 CLAMP LEVER Turntable CAM GEAR RIB Disc Tray (L1) x2 Figure 8-1 (F1)x1 (F1)x1 ø3x6mm ø3x10mm CD Player Unit Figure 8-4 (E2)x2 (E3)x1 (M1) x3 (E4)x1 Power Supply Main PWB (F2)x1 (E2)x1 (M1) x3 Power (F2)x3 (G1)x2 Supply ø3x10mm...
  • Page 9 CD-BA200 (P2) x3 Mechanism Loading Motor (P1) x1 (P1) x1 (Q1) x5 Figure 9-1 CP-BA200 PROCEDURE STEP REMOVAL FIGURE Front Panel 1. Net ......(A1) x1 2. Rubber ....(A2) x4 3. Screw ..... (A3) x4 4. Tip ......(A4) x2 Woofer 1.

  • Page 10: Removing And Reinstalling The Main Parts

    CD-BA200 REMOVING AND REINSTALLING THE MAIN PARTS TAPE MECHANISM SECTION TAPE2 Perform steps 1 to 7 and 9 of the disassembly method to Record/Playback Head remove the tape mechanism. How to remove the record/playback and erase heads (TAPE 2) (See Fig. 10-1) 1.

  • Page 11: Adjustment

    CD-BA200 CD MECHANISM SECTION Perform steps 1, 2, 3, 11 and 14 of the disassembly method to remove the CD mechanism. How to remove the loading motor Loading Moter (See Fig. 11-1) 1. Bend the hooks (A1) x 5 pcs., to remove the loading motor.

  • Page 12: Tuner Section

    CD-BA200 • FM RF TUNER SECTION Signal generator: 1 kHz, 75 kHz dev., FM modulated fL: Low-range frequency fH: High-renge frequency Test Stage Frequency Frequency Serring/ Instrument Display Adjusting Connection • AM IF/RF Point Signal generator: 400 Hz, 30%, AM modulated FM Band —...

  • Page 13: Notes On Schematic Diagram

    CD-BA200 NOTES ON SCHEMATIC DIAGRAM • The indicated voltage in each section is the one measured • Resistor: by Digital Multimeter between such a section and the chas- To differentiate the units of resistors, such symbol as K and sis with no signal given.

  • Page 14: Waveforms Of Cd Circuit

    CD-BA200 WAVEFORMS OF CD CIRCUIT Stopped Stopped 1999/04/05 17:33:17 CH1=500mV CH3=500mV 500ms/div CH1=500mV CH3=1V CH4=1V 500ms/div DC 10:1 DC 10:1 (500ms/div) DC 10:1 DC 10:1 DC 10:1 (500ms/div) NORM:20kS/s NORM:20kS/s PDO1 IC2 1 IC2 24 PDO2 IC2 2 IC2 23...

  • Page 15: Block Diagram

    CD-BA200 CLAMP DISC OPEN/ NUMBER CLOSE UP/DOWN MOTOR TO MAIN SECTION TO DISPLAY SECTION (TO IC601) 9 10 75 76 45 46 47 48 32 31 30 LC78641E SERVO/SIGNAL CONTROL CONT5 SLD0 XOUT SPD0 16.9344MHz VDD5V 5 18 36 44 49 50...
  • Page 16 CD-BA200 ANTENNA AM LOOP ANTENNA FM IF T302 CF303 IC301 BF301 TA7358AP B.P.F FM FRONT END CF351 X351 456kHz T351 CF352 AM IF CNP301 AM MIX AM IF MO/ST FM RF L312 T301 IC303 FM OSC LA1832S FM IF DET./FM MPX./AM IF...
  • Page 17 CD-BA200 FL701 DISPLAY 56 57 58 Q701-Q703 Q710-Q712 JOG701 RX701 REMOCON SENSOR 58 57 56 55 54 53 52 51 50 49 48 47 46 44 43 42 41 40 VLOAD SYS. STOP IC701 AVDD IX0332AW SYSTEM CONTROL SW701-SW703 IC702...

  • Page 18: Schematic Diagram / Wiring Side Of P.w.board

    CD-BA200 CD SERVO PWB-C CD SIGNAL Vref TIN1 FIN1 0.047 FIN2 TIN2 1.5M LA9235M SERVO AMP. 0.47/6.3 2.2/50 FIN1 100P ODRV FIN2 RFSW 120K 6.8K AGCON TIN1 (CH) 47/10 0.01 TIN2 100/10 REF1 0.01 0.0047 10/16 VREF 0.33 ODRV RFEV...
  • Page 19 CD-BA200 100P 0.01 100P 100P 100P 100P 100P 100P DEFECT 2.2µH EFMO VDD5V 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 0.047 PD01 COMMAND GENERAL INTERFACE 1.5M 100/10 PD02 SBCK 2.2/50 LC78641E...
  • Page 20 CD-BA200 MAIN PWB-A1 (1/2) FM SIGNAL IC601 R-CH PLAYBACK SIGNAL LC75341 A_GND AUDIO PROCESSOR P19 12 - D RECORD SIGNAL L-CH CNP11 CD SIGNAL CD_GND TO CD SERVO C604 VIDEO SIGNAL CD_+B C602 0.022 22/50 VREF INTERFACE C613 R607 C614...
  • Page 21 CD-BA200 5341 OCESSOR R633 C602 C631 22/50 390P VREF JK601 VIDEO IN C614 R608 C632 ROUT 10/50 390P C608 R634 D601 RBASS 1SS133 R606 C610 RTRE 3.9K D602 C612 C620 1SS133 0.0027(ML) 1/50 CHASIS C622 C634 RSEL0 1/50 0.001 C624...
  • Page 22 CD-BA200 RS720 RS721 RS722 100K 100K 100K FL701 32 31 30 29 20 19 18 17 RS723 RS724 RS725 R701 R704 R716 100K 100K 100K C709 C715 47/50 1/50 R702 R705 R719 VLOAD R724 D708 M_10V REC/PLAY T_T1 T2 P15/DIST0...
  • Page 23 CD-BA200 P19 12 - E TO CD SERVO PWB CNP12 CNS703 BI703 DISPLAY PWB-A2 32 31 30 29 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 C725 0.022 R773 VLOAD -20dBATT R774 S-BUSY...
  • Page 24 CD-BA200 IC901 IC902 STK402-071 (2Ch) POWER AMP. STK402-040(2Ch) POWER AMP. 10 11 C904 R926 100/50 C907 R902 C926 220P 220P C922 C928 100/50 C903 C910 100/50 R918 R924 C920 C921 100 (1/4W) R928 10/50 10/50 R932 C908 R901 R920 Fusible...
  • Page 25 CD-BA200 FM SIGNAL POWER AMP. C640 100P C927 C639 100P 220P L601 JK670 2.2mH HEADPHONES R977 FW801 C931 HEADPHONES PWB-A3 C920 C921 1/50 10/50 10/50 R933 0.1 (1W) D906 Q908 1SS133 KTC3199GR D904 1SS133 R940 C925 R937 0.022 R939 R935 R955 4.7K (1/2W)
  • Page 26 CD-BA200 C302 0.001 C301 0.001 AM ANT. T303 C331 C330 C323 0.047 0.022 (UJ) C338 0.001 AM TRACKING fL C332 0.022 D301 1SS133 C342 R365 0.022 D302 1SS133 R358 3.9K VD301 AM BAND SVC348S COVERAGE fL C335 560P T306 C334...
  • Page 27 CD-BA200 R363 R365 R364 8.2K 8.2K C371 R361 1/50 R358 3.9K R350 R362 2.7K C372 1/50 C367 1/50 20 19 18 15 14 IC303 LA1832S FM IF DET./FM MPX./AM IF C358 1/50 R352 R355 C357 3.3K 2.2/50 T351 C356 0.001...
  • Page 28 CD-BA200 C302 R373 R372 X352 R378 R388 R374 1 2 3 4 5 6 7 8 9 C382 10 11 R376 IC302 C395 C381 C387 R379 C397 22 21 20 19 18 17 16 15 14 13 12 R377 C392...
  • Page 29 CD-BA200 P31 10 - H P34 4 - A TO DISPLAY PWB TO CD SERVO CNP704 COLOR TABLE CNP11 BROWN RD(R) FC701 CNS601 1 2 3 4 5 ORANGE YELLOW MAIN PWB-A1 GREEN BLUE VIOLET GRAY WH(W) WHITE R113 Q128...
  • Page 30 CD-BA200 DISPLAY PWB-A2 1 2 3 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 29 30 31 32 33 34 35 3 FL701 RS721 R701 RS720 RS722 R704 RS723 RS724 SW714 DIMMER RS725...
  • Page 31 CD-BA200 P34 5 - A TO CD SERVO PWB CNP12 CNS703 10 9 8 7 6 5 4 3 2 1 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53...
  • Page 32 CD-BA200 P35 8 - F TO POWER TRASFORMER AC POWER CNS801 SUPPLY CORD (229) AC 120V, 60Hz WHITE BLACK CNP801 C831 M901 FAN MOTOR Q802 T802 POWER TRANSFORMER R819 C813 Q910 E C B CNS803 D801 C901 D903 B C E...
  • Page 33 CD-BA200 P35 8 - A P35 9 - C TO POWER TO POWER TRASFORMER TRASFORMER CNS802 CNS804 5 4 3 2 1 R803 CNP804 CNP802 C819 D805 C812 D806 D807 ZD802 COLOR TABLE D804 C808 BROWN C805 RD(R) R812 C806...
  • Page 34 CD-BA200 P29 10 - A P31 10 - A TO MAIN PWB TO DISPLAY PWB CNS601 CNS703 CD SERVO PWB-C 9 10 CNP11 CNP12 E C B ZD61 B C E CNP1 40 41 1 2 3 CNP4 CNP3 CNS3A...
  • Page 35 CD-BA200 P30 2 - H TAPE MECHANISM TO DISPLAY PWB ASSEMBLY CNP702 FC702 TAPE MECHANISM PWB-E SOLM SOLM SOLENOIDE SOLENOIDE TAPE 2 TAPE 1 ERASE HEAD RECORD/PLAYBACK TAPE MOTOR PLAYBACK HEAD HEAD P33 10 - A P33 9 - A...

  • Page 36: Voltage

    CD-BA200 VOLTAGE IC101 IC303 IC701 IC703 PIN VOLTAGE NO. VOLTAGE NO. VOLTAGE VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE 1.6V 0.7V 0V (0V) 2.1V (2.1V) 4.6V 4.9V 5.0V 1.6V 4.6V 0V (0V) 4.5V (4.5V) 1.6V 0.5V (0.5V) 2.1V (2.1V) 4.6V 5.0V...

  • Page 37: Troubleshooting (Cd Section)

    CD-BA200 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.
  • Page 38 CD-BA200 (1) Focus-HF system check Stopped CH1=500mV CH3=500mV 500ms/div Although a CD is inserted and the cover is closed, "NO DC 10:1 DC 10:1 (500ms/div) NORM:20kS/s DISC" is displayed. Press the OPEN/CLOSE switch (SW1) without inserting a disc, and try starting the playback operation.
  • Page 39 CD-BA200 (2) Tracking system check Check the TE waveform at pin 18 on IC1. The tracking servo is not activated. If the waveform shown in Figure 39-1 appears and soon after Check the peripheral circuits at pins 18 and 19 on IC1, pin 23 on NO DISC appears.
  • Page 40 CD-BA200 (4) PLL system check Stopped 1999/04/05 17:33:17 CH1=500mV CH3=1V CH4=1V 500ms/div DC 10:1 DC 10:1 DC 10:1 (500ms/div) NORM:20kS/s When a disc is loaded, start play operation. PDO1 The HF waveform is normal, but the TOC data cannot be PDO2 read.

  • Page 41: Function Table Of Ic

    CD-BA200 FUNCTION TABLE OF IC IC1 VHiLA9235M/-1: Servo Amp. (LA9235M) ODRV FIN1 LA9235M RFSW FIN2 AGCON 28 RF- FIN3 FIN4 26 N/C 25 PH 24 BH REF1 ODRV 23 N/C PH/BH 22 RFEV VREF 21 FE- 20 FE LDOF 19 TE-...
  • Page 42 CD-BA200 IC2 VHiLC78641E-1: Servo/Signal Control (LC78641E) (1/2) Terminal Name Input/Output Setting in Reset Function Pin No. PDO1 Output – For PULL Phase-comparison output terminal for built-in VOC control. PDO2 Output – Phase-comparison output terminal for built-in VOC control. Rough servo : OFF, phase servo : ON.
  • Page 43 CD-BA200 IC2 VHiLC78641E-1: Servo/Signal Control (LC78641E) (2/2) Terminal Name Input/Output Setting in Reset Function Pin No. LVDD – – L channel Power terminal for L channel. LCHO Output 1/2VDD D/A converter L channel output terminal. LVSS – – Ground terminal for L channel. Surely connected to 0V.
  • Page 44 CD-BA200 IC701 RH-iX0332AWZZ: System Microcomputer (IX0332AW) (1/2) Pin No. Port Name Terminal Name Input/Output Function — (+) POWER SUPPLY -20dBATT Output -20dB ATTENUATOR S-BUSY Output Not used LCK1 Output LED DRIVER LCK (BU2092-2) LCK0 Output LED DRIVER LCK (BU2092-1) DP REQ...
  • Page 45 CD-BA200 IC701 RH-iX0332AWZZ: System Microcomputer (IX0332AW) (2/2) Pin No. Port Name Terminal Name Input/Output Function P120 PLAY SW_B Input PLAY SWITCH FOR T2 P119 Input TAPE2 A-SIDE FULL PROOF P118 Input TAPE2 B-SIDE FULL PROOF P117 MIC SW Input MIC SWITCH...
  • Page 46 CD-BA200 IC601 VHiLC75341/-1: Audio Processor (LC75341) ROUT LOUT LBASS RBASS 0.1uF 0.1uF LTRE RTRE LSEL0 RSEL0 R1 R2 24 23 22 21 20 19 18 17 16 15 14 13 LC75341 10 11 12 Figure 46 BLOCK DIAGRAM OF IC...

  • Page 47: Fl Display

    CD-BA200 FL701 VVKBJ744GNK-1: FL Display (1G~8G) PIN CONNECTION PIN NO. 20 19 18 17 16 15 14 13 12 11 10 CONNECTION 9G 8G 7G 6G 5G 4G 3G 2G NP NP F1 F1 F1 30 29 28 27 26 25 24 23 22 21 PIN NO.
  • Page 48 CD-BA200 — M E M O — – 48 –...

  • Page 49: Parts Guide

    CD-BA200 PARTS GUIDE CD-BA200 MODEL CD-BA200 Mini Component System consisting of CD-BA200 (mini unit) and CP-BA200 (speaker system). “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information. Contact your nearest SHARP Parts Distributor to order.
  • Page 50 CD-BA200 PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK ZD801 VHEMTZJ360B-1 Zener,36V,MTZJ36B CD-BA200 ZD802 VHEMTZJ6R2A-1 AA Zener,6.2V,MTZJ6.2A ZD803 VHEMTZJ130C-1 AB Zener,13V,MTZJ13C INTEGRATED CIRCUITS FILTERS VHILA9235M/-1 AQ Servo Amp.,LA9235M BF301 RFILR0008AWZZ AE Band Pass Filter VHILC78641E-1 AV Servo/Signal Control,LC78641E...
  • Page 51 CD-BA200 PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK AB 47 µF,16V,Electrolytic C73~78 VCKYTV1HB101K AA 100 pF,50V C391 VCEAZA1CW476M J AB 0.1 µF,50V AA 0.001 µF,50V VCKYTV1HB104K C392 VCKYMN1HB102K J AA 0.022 µF,25V AB 1 µF,50V,Electrolytic C81~83 VCKYTV1EF223Z...
  • Page 52 CD-BA200 PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AB 0.1 µF,50V,Mylar C918,919 VCQYKA1HM104K J R125 VRD-MN2BD562J AA 5.6 kohms,1/8W AB 10 µF,50V,Electrolytic C920,921 VCEAZA1HW106M J R126 VRD-ST2CD562J AA 5.6 kohms,1/6W AC 100 µF,50V,Electrolytic C922,923 VCEAZA1HW107M J R131...
  • Page 53 CD-BA200 PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK R582 VRD-MN2BD123J AA 12 kohms,1/8W R906,907 VRD-ST2CD821J AA 820 ohms,1/6W R583 VRD-MN2BD683J AA 68 kohms,1/8W R908,909 VRD-ST2CD102J AA 1 kohm,1/6W R584 VRD-ST2CD123J AA 12 kohms,1/6W R910 VRG-ST2EC101J AB 100 ohm,1/4W,Fusible...
  • Page 54 CD-BA200 PRICE PRICE DESCRIPTION PARTS CODE PARTS CODE DESCRIPTION RANK RANK CD MECHANISM PARTS CNP11 92LCONE5P53254 J AB Plug,5Pin CNP12 92LCONEAP53254 J AD Plug,10Pin CNP101 QCNCM705CAFZZ J AA Plug,3Pin NGERH0011AWZZ J AC Gear,Middle CNP102 QCNCM705GAFZZ J AB Plug,7Pin NGERH0012AWZZ J...
  • Page 55 CD-BA200 PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK P.W.B. ASSEMBLY (Not Replacement Item) PRDAR0149AWFW J AP Heat Sink,Main PRDAR0150AWFW J AS Heat Sink,Sub,A PRDAR0151AWFW J AG Heat Sink,Sub,B PWB-A1~3 92LPWB3303MANS J — Main/Display/Headphones QACCD0022AWZZ J AM AC Power Supply Cord...
  • Page 56 CD-BA200 CD-BA200 306-2 306-1 306-3 703x4 305x2 PWB-D Figure 7 CD MECHANISM EXPLODED VIEW – 7 –...
  • Page 57 CD-BA200 CD-BA200 BELT CONNECTION FF/REW FF/REW ROLLER ROLLER 608x8 ASS'Y ASS'Y 202-1 608x2 FLYWHEEL FLYWHEEL ASS'Y ASS'Y MAIN BELT TAPE1 TAPE2 PWB-A2 PWB-B 608x4 608x2 605x14 202-2 FL701 Silicon Grease 231x10 IC901 201-16 609x4 614x4 IC902 Silicon 201-15 Grease 201-13...
  • Page 58 CD-BA200 CD-BA200 604x2 604x2 MECHANISM PWB-F 250x4 239x3 204-2 204-1 PWB-C 204-3 Figure 9 CABINET EXPLODED VIEW (2/2) – 9 –...
  • Page 59 CD-BA200 CP-BA200 908x4 905,906 SP3,4 915x2 903,904 SP7,8 913x4 SP1,2 915x2 SP5,6 914x4 912x4 909x2 901,902 SP5,6 WOOFER 913x4 SP1,2 SUPER TWEETER C1,2 Capacitor 3.3µF,100V SP1,2 SUPER TWEETER C1,2 SP3,4 Capacitor TWEETER 3.3µF,100V SP3,4 SP7,8 Electrolytic TWEETER WOOFER SP5,6 WOOFER...

  • Page 60: Packing Of The Set (For U.s.a. Only)

    FRONT SIDE OF SPEAKERS SPAKC0881AWZZ Packing Case Not Replacement Item © COPYRIGHT 2000 BY SHARP CORPORATION SHARP CORPORATION ALL RIGHTS RESERVED. Communication Systems Group Quality & Reliability Control Center No part of this publication may be reproduced, Higashihiroshima, Hiroshima 739-0192, Japan...

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