Sharp CD-BA3000 Manuel de service

No. S5044CDBA3000 CONTENTSPageSPECIFICATIONS ...

CD-BA3000– 10 –How to remove the pickup (See Fig. 10-2)1. Remove the stop washer (B1) x 1 pc., to remove the gear(B2).2. Remove the screws (B3) x 2 pc

– 11 –CD-BA3000Test StageFrequency FrequencyDisplaySetting/AdjustingPartsInstrumentConnectionCD SECTION• AM IF/RFSignal generator: 400 Hz, 30%, AM mo

CD-BA3000– 12 –TEST MODE·Setting the test mode Any one of test mode can be set by pressing several keys as fallows. <X-BASS> + <CD> + <

– 13 –CD-BA3000 Figure 13 BLOCK DIAGRAM (1/3)CNP12 CNP11Q2+3.3V +5V CONT5CONT2CONT3CONT4CONT7CONT6SLD0SPD0FD0TD0+5V TO DISPLAY SECTIONCLAMP SWCDINTWRQ

CD-BA3000– 14 – Figure 14 BLOCK DIAGRAM (2/3)-B2+B4-20dBATTSYSTEMMUTEQ605Q606Q603Q604DOCLDICEMO/ST +B4+B5SWITCHING +B4+B4+B4IC860KIA4558POPE AMP.–B2FM

– 15 –CD-BA3000D801C801RY801VLOAD +B7+B3SYS. STOP RESET IC704KIA7042PRESETQ709Q907+B6M901FAN MOTOR MSO901SPEAKERTERMINALRL901 Q905+B7+B7+B7+B7+B7VDD

CD-BA3000– 16 –Figure 16 SCHEMATIC DIAGRAM (1/10)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 35. 42414039383736LOADING M-VCC4LD_M

– 17 –CD-BA3000Figure 17 SCHEMATIC DIAGRAM (2/10)78 9 10 11 12• The numbers 1 to 13 are waveform numbers shown in page 36.CD SIGNALRESWRQCEDOCLD

CD-BA3000– 18 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 35.Figure 18 SCHEMATIC DIAGRAM (3/10)IC101: PLAYBACK AND RECORD/PLAYBAC

– 19 –CD-BA3000Figure 19 SCHEMATIC DIAGRAM (4/10)78 9 10 11 12TUN_LREC_L 0V-VCCM_+10VCHASISCD_GND_MUTE10KHz63Hz63Hz10KHz R L L R 0dBATTL-CH 1K R-CH

CD-BA3000– 2 –FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFERTO THE OPERATION MANUAL.Specifications for this model are subject

CD-BA3000– 20 –Figure 20 SCHEMATIC DIAGRAM (5/10)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 35.Q710KTC3199GRR713100KR714100KR7151

– 21 –CD-BA3000Figure 21 SCHEMATIC DIAGRAM (6/10)78 9 10 11 12C72247/50BI703IC701IX0334AWSYSTEM MICROCOMPUTERC726470/6.3C7250.022 R773 1KR776 1KR778 1

CD-BA3000– 22 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 35.Figure 22 SCHEMATIC DIAGRAM (7/10)LVL_CTRL+BGND+5VUN_SW_5VAC_RLY_CON

– 23 –CD-BA3000HP_RLYHP_GNDHP_R-CHHP_L-CHM_+10V+VL+ VH+ T.F6 OHMSSPEAKERR-CHL-CHM2121231234512345123451234512345123451231231+B+B+B+B+B+B+B+B+B+B+B+B+

CD-BA3000– 24 –Figure 24 SCHEMATIC DIAGRAM (9/10)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 35.TPSPARE VSS AOUTCLDICEX INX OUT

– 25 –CD-BA3000Figure 25 SCHEMATIC DIAGRAM (10/10)78 9 10 11 12DICED0CLK A_GND D_GND TUN_L TUN_R TUN_SM+BP18 12 - DTO MAIN SECTION SPARE CONTIF FM/

CD-BA3000– 26 –Figure 26 WIRING SIDE OF P.W.BOARD (1/8)ABCDEFGH123456L352ZD351C370D5C565C358C564D563DR574C371C373IC562C374C372R56ZD561D561R561C569IC56

– 27 –CD-BA3000Figure 27 WIRING SIDE OF P.W.BOARD (2/8)78 9 10 11 12R157Q110Q128C109Q111Q109R106L103C153R168R160Q126Q124Q106R155C154C150C151L104R110C1

CD-BA3000– 28 –Figure 28 WIRING SIDE OF P.W.BOARD (3/8)ABCDEFGH123456FFC702113TO TAPE MECHANISM PWBCNS704DISPLAY PWB-A2P33 9 - ACNP704BI705ABI705B113

– 29 –CD-BA3000Figure 29 WIRING SIDE OF P.W.BOARD (4/8)78 9 10 11 12CNS703CNP12129P27 7 - ATO MAIN PWB1123 4567 891010P32 5 - ATO CD SERVOPWBSWITCH

– 3 –CD-BA3000NAMES OF PARTSCD-BA3000APE Front panel01. (CD) Disc Tray02. (CD) Disc Skip Button03. (CD) Disc Number Select Buttons04. (CD) Open/Clos

CD-BA3000– 30 –C801BI803D805T802POWERTRANSFORMERD803D802C802D804C805C803D807C804R801RL801R809D801R804C809C811D810D901C812Q801BI801D808D806R935R963C943

– 31 –CD-BA3000Figure 31 WIRING SIDE OF P.W.BOARD (6/8)78 9 10 11 12CNP80151POWER TRANSFORMER PWB-B2C820C815C816C821D818D816D815D817C819C817ZD801R802C

CD-BA3000– 32 –Figure 32 WIRING SIDE OF P.W.BOARD (7/8)ABCDEFGH123456• The numbers 1 to 13 are waveform numbers shown in page 36.-M1SPINDLE MOTO

– 33 –CD-BA3000Figure 33 WIRING SIDE OF P.W.BOARD (8/8)78 9 10 11 12CD LOADING MOTORPWB-F16123456BI4M3T/T UP/DOWNMOTORRDWHBKWHBKWH–+SW3DISCNUMBERSW2CL

CD-BA3000– 34 –VOLTAGE0V0V0V0V0V0V4.6V4.6V0V2.6V4.9V4.7V4.9V4.6V0V0V4.6V4.6V4.6V0V0V0V4.8V0V4.9V4.8V0V0V0V0V0V4.9V5.0V4.9V4.6V5.0V4.9V4.9V0V4.8V987654

– 35 –CD-BA3000• The indicated voltage in each section is the one measuredby Digital Multimeter between such a section and the chas-sis with no signal

CD-BA3000– 36 –TTEFBLFDOTEStoppedCH1=500mVDC 10:1CH2=200mVDC 10:1CH3=1VDC 10:1500ms/div(500ms/div)NORM:20kS/s123=Record Length=Smoothing : ON

– 37 –CD-BA3000HOW TO USECAUTIONCleaning fluidCleaner discUsing the brush in the cleaner cap, apply 1 or 2 drops of the cleaning fluid to the brush on

CD-BA3000– 38 –Vp-p=1.0V~1.3V0.5mV/div,0.5µsec/div5IC1 27TFDODRFTEStoppedCH1=500mVDC 10:1CH2=10VDC 10:1CH3=1VDC 10:1500ms/div(500ms/div)NORM:20

– 39 –CD-BA3000TTFDOSPDOStoppedCH1=200mVDC 10:1CH2=500mVDC 10:1500ms/div1999/04/07 09:51:15(500ms/div)NORM:20kS/s21=Record Length=Smoothing : O

CD-BA3000– 4 –CP-BA3000 Rear panel01. AC Power Lead02. CD Digital Output Socket03. FM/AM Loop Aerial Socket04. Video/Auxiliary (Audio Signal) Input S

CD-BA3000– 40 –TTDOUTStoppedCH1=2VDC 10:1500ns/div1999/04/07 09:25:28(500ns/div)NORM:200MS/s1=Record Length=Smoothing : ON CH1 : 0.00VCH2

– 41 –CD-BA3000FUNCTION TABLE OF ICFigure 41 BLOCK DIAGRAM OF ICIC1 VHiLA9235M/-1: Servo Amp. (LA9235M)IC2 VHiLC78641E-1: Servo/Signal Control (LC78

CD-BA3000– 42 –IC2 VHiLC78641E-1: Servo/Signal Control (LC78641E) (1/2)1 PDO1 Output – For PULL Phase-comparison output terminal for built-in VOC con

– 43 –CD-BA3000IC2 VHiLC78641E-1: Servo/Signal Control (LC78641E) (2/2)44 LVDD ––L channel Power terminal for L channel.45 LCHO Output 1/2VDD D/A con

CD-BA3000– 44 –IC701 RH-iX0334AWZZ: System Microcomputer (IX0334AW) (1/2)Port NameTerminal NamePin No.Input/OutputIn this unit, the terminal with ast

– 45 –CD-BA300054 P120 T2 PLAY SW_B Input PLAY SWITCH FOR T255 P119 FPA Input TAPE 2 A-SIDE FULL PROOF56 P118 FPB Input TAPE 2 B-SIDE FULL PROOF57* P1

CD-BA3000– 46 –IC601 VHiLC75341/-1: Audio Processor (LC75341)Figure 46 BLOCK DIAGRAM OF IC19202122232412345678910 11 12 13 14 15 161817LVrefRVrefCONT

– 47 –CD-BA3000FL701 VVKBJ744GNK-1: FL DisplayFigure 47 FL DISPLAYS11G(1G~8G)2G 3G 4G 5G 6G 7G 8GS2S3S4fabkjhmgcnerpDpd9G9G11G 14G 15G 13G12G10GPIN CO

CD-BA3000– 48 ––– MEMO ––

– 49 –CD-BA3000PARTS GUIDENOTE:Parts marked with “ ” are important for maintaining the safety of the set.Be sure to replace parts with specified ones

– 5 –CD-BA3000OPERATION MANUALSETTING THE CLOCKIn this example, the clock is set for the 12-hour (AM 12:00)system.1 Press the ON/STAND-BY button to en

PRICERANKDESCRIPTIONNO.PARTS CODE NO. PARTS CODEPRICERANKDESCRIPTIONCD-BA3000– 1 –INTEGRATED CIRCUITSIC1 VHILA9235M/-1 J AQ Servo Amp.,LA9235MIC2 VHIL

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BA3000C42 VCCCTV1HH680J J AA 68 pF (CH),50VC43 VCKYTV1HB152K J AA 0.0015 µF,50VC

PRICERANKDESCRIPTIONNO.PARTS CODE NO. PARTS CODEPRICERANKDESCRIPTIONCD-BA3000C850 VCEAZW1EW338M J AG 3300 µF,25V,ElectrolyticC851 VCEAZA1EW226M J AB 2

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BA3000R581 VRD-MN2BD683J J AA 68 kohms,1/8WR582 VRD-MN2BD123J J AA 12 kohms,1/8W

PRICERANKDESCRIPTIONNO.PARTS CODE NO. PARTS CODEPRICERANKDESCRIPTIONCD-BA3000BI4/CNS4 QCNWN1572AWZZ J AF Connector Ass’y,6/6PinBI11/CNS11 QCNWN1540AWZ

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BA3000215 LHLDZ1230AWZZ J AC Holder,LED219 MLOKC0003AWZZ J AD Lock Lever,Tape Me

CD-BA3000– 56 –ABCDEFGH123456Figure 7 CD MECHANISM EXPLODED VIEW– 7 –CD-BA3000306-1701304701302301702303M1703x2305x2SW4M2305PWB-D306-2306-3306704

CD-BA3000– 57 –Figure 8 CABINET EXPLODED VIEW (1/2)ABCDEFGH123456– 8 –CD-BA3000Note: Only tape mechanism assembly and consumable parts are supplied f

CD-BA3000– 58 –Figure 9 CABINET EXPLODED VIEW (2/2)ABCDEFGH123456– 9 –CD-BA3000CDMECHANISM205257235266243224259239239204204-2204-1239x4PWB-C239232M3S

CD-BA3000– 59 –ABCDEFGH123456Figure 10 SPEAKER EXPLODED VIEW (1/2)– 10 –CP-BA3000WooferSP1 (L-ch)SP2 (R-ch)WooferSP1 (L-ch)SP2 (R-ch)CementResistorTwe

CD-BA3000– 6 –1 Top Cabinet 1. Screw ... (A1) x4 6-12 Side Panel 1. Screw ... (B1) x8 6-1(Left/Right)3 CD Player U

CD-BA3000– 60 –No part of this publication may be reproduced,stored in a retrieval system, or transmitted inany form or by any means, electronic, mech

– 7 –CD-BA3000Figure 7-1Figure 7-2Figure 7-3Figure 7-4Figure 7-5Figure 7-6Clamp LeverCam Gear RibCD Player Unit(Top View)(E2)x2(E4)x1(E3)x1Main PWBPow

CD-BA3000– 8 –1 Front Panel 1. Net Frame Ass'y ... (A1) x1 8-32. Caching Holder ... (A2) x43. Screw ... (A3) x42 Tweeter 1.

– 9 –CD-BA3000REMOVING AND REINSTALLING THE MAIN PARTSTAPE MECHANISM SECTIONPerform steps 1 to 7 and 11 of the disassembly method toremove the tape me