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Sharp CD-BA180 Service Manual

Mini component system
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SPECIFICATIONS ............................................................................................................................................................. 2
NAMES OF PARTS ........................................................................................................................................................... 3
DISASSEMBLY .................................................................................................................................................................. 5
CD TEST MODE ................................................................................................................................................................. 8
BLOCK DIAGRAM ............................................................................................................................................................. 9
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 12
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 28
TYPES OF TRANSISTOR AND LED................................................................................................................................ 28
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 29
VOLTAGE ........................................................................................................................................................................ 30
FL DISPLAY ...................................................................................................................................................................... 31
REPLACEMENT PARTS LIST/EXPLODED VIEW
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
MINI COMPONENT SYSTEM
CD-BA180
MODEL
CD-BA180 Mini Component System consisting of
CD-BA180 (main unit), CP-BA180 (front speaker) and
GBOXS0040AWM1 (rear speaker).
• 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 Service Manual is for the CD-BA180, which is a minor-
modification model of the CD-BA150. This manual, therefore,
describes only the different points from the CD-BA150. Please
refer to the CD-BA150 service manual (No.S1003CDBA150/)
together with this manual.
CD-BA150
OPERATION MANUAL ............................................................... 5
ADJUSTMENT .......................................................................... 11
TROUBLESHOOTING (CD SECTION) .................................... 35
FUNCTION TABLE OF IC ........................................................ 39
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-BA180
No. S7060CDBA180/
Page
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Summary of Contents for Sharp CD-BA180

  • Page 1: Table Of Contents

    • 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 Service Manual is for the CD-BA180, which is a minor- modification model of the CD-BA150. This manual, therefore, describes only the different points from the CD-BA150. Please refer to the CD-BA150 service manual (No.S1003CDBA150/)

  • Page 2: Operation Manual

    CD-BA180 FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS CD-BA180 General Cassette deck section Power source: AC 120 V, 60 Hz Frequency response: 50-14,000 Hz (Normal tape) Power consumption: 105 W...

  • Page 3: Names Of Parts

    CD-BA180 NAMES OF PARTS CD-BA180 Front panel Extra Bass Indicator FM Stereo Mode Indicator FM Stereo Indicator (CD) Repeat Indicator (CD) Pause Indicator (CD) Play Indicator Record Indicator 2 3 4 5 6 12 13 (CD) Disc Number Indicators (CD/TUNER) Memory Indicator...
  • Page 4 CD-BA180 CD-BA180 Rear panel AC Power Input Socket FM/AM Loop Aerial Socket Video/Auxiliary (Audio Signal) Input Sockets Front Speaker Terminals Rear Speaker Terminals Remote control Remote Control Transmitter LED CD control section Disc Number Select Buttons Memory Button Pause Button...

  • Page 5: Disassembly

    CD-BA180 DISASSEMBLY CD-BA180 Caution on Disassembly Follow the below-mentioned notes when disassembling (A1)x2 the unit and reassembling it, to keep it safe and ensure Top Cabinet ø3x12mm excellent performance: 1. Take cassette tape and compact disc out of the unit.
  • Page 6 CD-BA180 (J2) x1 Clamp Lever Turntable CD Player Unit (Top View) Disc Tray Cam Gear Rib (J1) x2 Figure 6-1 (D1)x2 CD Player Unit ø3x10mm Figure 6-4 (D5)x1 Disc Tray (D2)x3 (K1) x3 Headphones (D3)x1 (D2)x1 (D4)x1 (E2)x1 Main PWB...
  • Page 7 CD-BA180 (M2) x3 Mechanism Loading Motor (M1) x1 (M1) x1 (N1) x5 Figure 7-1 CP-BA180 STEP REMOVAL PROCEDURE FIGURE Woofer 1. Front Panel .... (A1) x1 2. Screw ..... (A2) x8 Tweeter 1. Screw ..... (B1) x2 Speaker Box (A1) x1...

  • Page 8: Removing And Reinstalling The Main Parts

    CD-BA180 TEST MODE · Setting the test mode Any one of test mode can be set by pressing several keys as fallows. <X-BASS> + <CD> + <POWER> TEST:CD operation test Function:-CD test mode. -Enter test mode. T E S T IL isn't done OPEN/CLOSE operation is using manual.

  • Page 9: Block Diagram

    CD-BA180 CLAMP DISC OPEN/ CLOSE NUMBER UP/DOWN MOTOR TO MAIN SECTION TO DISPLAY SECTION (TO IC401) 9 10 45 46 47 48 32 31 30 75 76 LC78641E SERVO/SIGNAL CONTROL CONT5 SLD0 XOUT SPD0 16.9344MHz VDD5V 5 18 36 44 49 50...
  • Page 10 CD-BA180 FM IF ZD351 IC301 T302 CF303 TA7358AP BF301 X351 CF351 FM FRONT END 456kHz T351 CF352 AM IF CNP301 AM IF MO/ST FM RF L312 T301 IC303 LA1832S FM/AM FM/AM IF MPX. FM/AM MPXIN OSC BUFF FM OSC Q302...

  • Page 11: Adjustment

    CD-BA180 FL701 IC702 IC703 FL DISPLAY KIA4558P KIA4558P OPE.AMP OPE.AMP 47 48 49 Q601~ RX701 Q603 REMOTE SENSOR VLOAD IC701 SYS. STOP IX0328AW SYSTEM AVDD MICROCOMPUTER SW601~SW603 SW609~SW623 SW625~SW628 JK951 12 13 22 23 HEADPHONES TO CD SECTION XL701 4.1943MHz...

  • Page 12: Schematic Diagram / Wiring Side Of P.w.board

    CD-BA180 CD SERVO PWB-B Vref TIN1 FIN1 0.047 FIN2 TIN2 1.5M LA9235M SERVO AMP. 4.7/6.3 2.2/50 FIN1 100P ODRV 0.022 FIN2 RFSW 120K 6.8K AGCON TIN1 (CH) 47/10 0.01 TIN2 100/6.3 REF1 0.01 0.022 0.0047 VREF 0.33 ODRV 10/35 RFEV...
  • Page 13 CD-BA180 CD SIGNAL 100P 0.01 100P 100P 100P 100P 100P 100P 2.2µH 0.022 EFMO VDD5V 80 79 78 77 76 75 74 72 71 70 69 68 67 66 65 0.022 0.047 PD01 COMMAND GENERAL INTERFACE 1.5M 100/6.3 PD02 SBCK 2.2/50...
  • Page 14 CD-BA180 C405 0.022 CNS402 R-CH C404 100/16 A_GND P13 12 - D L-CH C407 CNP11 CD_GND C406 22/50 10/50 VREF TO CD SERVO C408 10/50 INTERFACE C409 R415 LOUT ROUT C410 0.1(ML) 3.9K 0.1(ML) C411 0.1(ML) C412 0.1(ML) LBASS RBASS...
  • Page 15 CD-BA180 MAIN PWB-A1(1/3) SO401 22/50 VIDEO/AUX 10/50 R419 C429 R421 R416 L-ch 390P 5.6K 3.9K 0.1(ML) C430 R420 5.6K 390P R422 0.0027 R-ch D404 D403 1/50 DS1SS133 DS1SS133 4.7/50 1/50 1/50 TUN_R 1/50 R418 TUNER 3.3K TUN_L SECTION 1/50 P19 11 - H...
  • Page 16 CD-BA180 IC901 STK40204(2Ch) POWER AMP. –B C901 C902 220P 220P C903 –B R919 R918 R901 R903 C910 100/50 C906 R906 C905 R931 47/50 47/50 –B R934 R933 C935 10/50 R907 0.1(1W) R908 D901 0.1(1W) DS1SS133 R914 Q904 R909 C907 KTC3199 GR 0.022...
  • Page 17 CD-BA180 R975 CNS971 CNP971 4.7(1/2W) C971 47/50 FM SIGNAL D971 4.9V R971 M901 DS1SS133 FAN MOTOR Q971 KTC3203 Y R973 C972 R972 10/50 RL951 RELAY R953 R954 4.7K 4.7K FW951 CNP951 R952 330(1/2W) R951 JK951 330(1/2W) HEADPHONES D951 Q951 HEADPHONES PWB-A3...
  • Page 18 CD-BA180 C302 0.001 AM TRACKING C331 C330 0.047 C323 15P(UJ) 0.022 C338 0.001 T303 C332 D301 DS1SS133 0.022 R365 D302 DS1SS133 VD301 AM BAND SVC348S COVERAGE C335 R358 560P T306 3.9K C334 R336 R323 AM OSC (UJ) BF301 B.P.F IC301...
  • Page 19 CD-BA180 TP302 R363 C373 R364 0.015 C371 R361 1/50 R350 2.7K C367 R362 C372 1/50 1/50 C369 (UJ) 20 19 18 17 16 15 14 13 IC303 LA1832S FM IF DET./FM MPX./AM IF C358 1/50 R352 R353 C357 R355 2.2/50 3.3K...
  • Page 20 CD-BA180 DISPLAY PWB-A2 FL701 FL DISPLAY 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 16 15 14 13 12 11 10 9 8 7 6 3 2 1 49 48 47 44 43 42 41...
  • Page 21 CD-BA180 9 8 7 6 3 2 1 24 23 16 15 14 13 12 11 10 CD INT WRQ(DSP) P13 12 - F CD CE CD SERVO PWB CD DO CD DI CNP12 CD CLK RES OUT CLAMP SW...
  • Page 22 CD-BA180 MAIN PWB-A1 R378 R374 X352 R372 R388 R373 C382 R409 2 3 4 5 7 8 9 C395 IC302 C381 R376 R379 C387 22 21 20 R377 L351 C394 C392 Q360 C380 R375 HEADPHONES C326 R381 R382 C393 PWB-A3...
  • Page 23 CD-BA180 TO DISPLAY PWB P25 10 - G CNP702 CNS402 P26 4 - A FC701 TO CD SERVO CNP11 R423 Q110 R409 R142 C407 B C E C138 C423 R132 C150 R139 R136 C134 C425 R124 R140 R141 C427 C132...
  • Page 24 CD-BA180 DISPLAY PWB-A2 1 2 3 RX701 7 8 9 12 13 14 15 23 24 25 27 28 2 C609 C631 R601 C632 R621 R606 R611 Q601 R616 SW611 DIMMER Q602 SW614 IC701 VOLUME R679 R680 D604 Q603 ZD601...
  • Page 25 CD-BA180 P26 5 - A TO CD SERVO PWB CNP12 CNS701 FL701 23 24 25 27 28 29 33 34 37 38 39 43 44 47 48 49 BI701 LED722 D609 D608 D607 C616 SW601 POWER IC701 R634 R696 R647...
  • Page 26 CD-BA180 P23 9 - A P25 11 - A FROM MAIN PWB FROM DISPLAY PWB CNS402 CNS701 CD SERVO PWB-B CNP12 9 10 CNP11 E C B CNP2 ZD61 B C E CNP1 40 41 1 2 3 CNP3 CNP4...
  • Page 27 CD-BA180 P24 4 - G TAPE MECHANISM TO DISPLAY PWB ASSEMBLY CNS702 FC702 TAPE MECHANISM PWB-D TAPE MOTOR SOLENOID SOLENOID TAPE 2 TO MAIN PWB RECORD/PLAYBACK HEAD TAPE 1 P23 10 - F PLAYBACK HEAD CNS802 TAPE 2 ERASE HEAD...

  • Page 28: Notes On Schematic Diagram

    CD-BA180 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 29: Waveforms Of Cd Circuit

    CD-BA180 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 24 IC2 1 PDO2 IC2 2 IC2 23...

  • Page 30: Voltage

    CD-BA180 VOLTAGE IC701 IC101 IC303 IC704 PIN VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE VOLTAGE NO. VOLTAGE NO. VOLTAGE 1.6V 0.7V 0V (0V) 5.0V 4.29V 2.1V (2.4V) 5.0V 1.6V 4.29V 0V (0V) 4.5V (4.8V) 1.6V 5.0V 4.29V 0.5V (0.5V) 2.1V (2.1V) 5.0V...

  • Page 31: Fl Display

    CD-BA180 FL DISPLAY FL701 VVKBJ11LM02T1: FL Display B7 B6 B5 B4 B3 B4 B5 B6 B7 – 31 –...
  • Page 32 CD-BA180 –– MEMO –– – 32 –...
  • Page 33 MINI COMPONENT SYSTEM CD-BA180 MODEL CD-BA180 Mini Component System consisting of CD-BA180 (main unit), CP-BA180 (front speaker) and GBOXS0040AWM1 (rear speaker). “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information.
  • Page 34 CD-BA180 PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK TRANSFORMERS CD-BA180 PT801 RTRNP0294AWZZ J BC Power INTEGRATED CIRCUITS T301 RCILB0065AWZZ AC OSC,FM T302 RCILI0017AWZZ AB FM IF VHILA9235M/-1 AQ Servo Amp.,LA9235M T303 RCILA0052AWZZ AE AM Antenna VHILC78641E-1 AV Servo/Signal Control,LC78641E...

  • Page 35: Troubleshooting (Cd Section)

    CD-BA180 PRICE PRICE DESCRIPTION DESCRIPTION PARTS CODE PARTS CODE RANK RANK AB 0.1 µF,50V,Mylar C126,127 VCKYMN1HB271K J AA 270 pF,50V C409~412 VCQYKA1HM104K J AB 22 µF,25V,Electrolytic AA 0.0027 µF,16V C128,129 VCEAZA1EW226M J C413,414 VCTYMN1CX272K J AA 0.022 µF,16V AB 1 µF,50V,Electrolytic...
  • Page 36 CD-BA180 PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK VRD-ST2CD102J AA 1 kohm,1/6W R380 VRD-MN2BD152J AA 1.5 kohms,1/8W VRD-ST2CD271J AA 270 ohms,1/6W R381 VRD-MN2BD103J AA 10 kohm,1/8W VRD-ST2CD471J AA 470 ohms,1/6W R382 VRD-ST2EE151J AA 150 ohms,1/4W VRS-TV2AB122J AA 1.2 kohms,1/10W...
  • Page 37 CD-BA180 PRICE PRICE DESCRIPTION DESCRIPTION PARTS CODE PARTS CODE RANK RANK R708 VRD-ST2CD103J AA 10 kohm,1/6W M901 RMOTV0027AWZZ J AM Motor,Air Cooling Fan R709,710 VRD-ST2CD222J AA 2.2 kohms,1/6W RL951 RRLYD0014AWZZ J AK Relay R711 VRD-MN2BD104J AA 100 kohm,1/8W RX701 VHLN63H380A-1...
  • Page 38 CD-BA180 PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK 201-21 MLIFP0008AWZZ AD Damper LX-JZ0010AFFD AA Screw,ø3×10mm 201-22 MSPRD0151AWFJ J Spring,Cassette Holder,Tape 1 XEBSD30P10000 AA Screw,ø3×10mm 201-23 MSPRD0152AWFJ J Spring,Cassette Holder,Tape 2 LX-BZ2222AXZZ AB Screw,Special 201-24 92LBADGE1671A AC Badge,SHARP LX-JZ0004AWFD AA Screw,ø3×12mm...

  • Page 39: Function Table Of Ic

    CD-BA180 CD-BA180 306-2 306-1 306-3 703x2 305x2 PWB-C Figure 6 CD MECHANISM EXPLODED VIEW – 39 – – 6 –...
  • Page 40 CD-BA180 CD-BA180 PWB-A1 202-1 608x2 609x2 607x2 617x9 614x3 IC901 614x2 607x3 Q831 Silicon 202-2 IC851 grease 231x6 615x15 PWB-A2 BELT CONNECTION TAPE 2 Motor FF/REW IC841 Motor Roller Ass'y 201-13 201-14 TAPE 1 Flywheel Ass'y TAPE 1 FF/REW TAPE 2...
  • Page 41 CD-BA180 CD-BA180 604x2 604x2 MECHANISM 250x4 PWB-E 239x4 204-2 204-1 204-3 PWB-B Figure 8 CABINET EXPLODED VIEW (2/2) – 41 – – 8 –...
  • Page 42 CD-BA180 CP-BA180 (with Capacitor C1,2) 904(LEFT) 905(RIGHT) 914x4 SP3(L-CH) SP4(R-CH) 914x4 SP1(L-CH) SP2(R-CH) SP5(L-CH) SP6(R-CH) 913x2 901(LEFT) 912x4 902(RIGHT) 907x2 WOOFER SP5(L-CH) SP6(R-CH) 907x2 C1,2 Capacitor TWEETER 2.2µF,50V SP1(L-CH) C1,2 Electrolytic SP2(R-CH) Capacitor (N.P.) 2.2µF,50V Electrolytic WOOFER (N.P.) TWEETER SP3(L-CH)
  • Page 43 CD-BA180 GBOXS0040AWM1 905x6 SP1(L-CH) SP2(R-CH) SP1(L-CH) SP2(R-CH) (White Line) Figure 10 SPEAKER EXPLODED VIEW (2/2) – 43 – – 10 –...
  • Page 44 CD-BA180 © COPYRIGHT 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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