Sharp CD-BA1500H Manual de Serviço

– 1 –CD-BA1500HSHARP CORPORATIONNo. S3018CDBA1500 CONTENTSPageSAFETY PRECAUTION FOR SERVICE MANUAL ...

CD-BA1500H– 16 –YesYesComparing freg.same or not?Between current receivingfrequency and (already)previously memorizedfrequency.Hold down the ASPM butt

– 17 –CD-BA1500H4. No adjust type (None adjusting circuit.)5. Added EON button.6. Need to change RDS logo due to the addition of EON feature.7. Added

CD-BA1500H– 18 –EON summary notice for reference1. EON-TI/PTY EON stand-by can be set, only when EON ind. lights up.While EON ind. goes out (NO EON ST

– 19 –CD-BA1500HRDS (Radio Data System) OPERATIONRDS is a broadcasting service which a growing numberof FM stations are now providing. It allows these

CD-BA1500H– 20 –• The indicated voltage in each section is the one measuredby Digital Multimeter between such a section and the chas-sis with no signa

– 21 –CD-BA1500H Figure 21 BLOCK DIAGRAM (1/3)CNP12 CNP11Q2+3.3V +5V CONT5CONT2CONT3CONT4CONT7CONT6SLD0SPD0FD0TD0+5V TO DISPLAY SECTIONCLAMP SWCDINTWR

CD-BA1500H– 22 – Figure 22 BLOCK DIAGRAM (2/3)REC/PLAYCLCEDISYSTEMMUTEQ401Q402DOCLDICEMO/STSWITCHING +B2FM/AMIC302LC72131PLL(TUNER)FM/AMOUT +B2LRBIAST

– 23 –CD-BA1500H Figure 23 BLOCK DIAGRAM (3/3)PT801MAIN POWER TRANSFORMERF802T4A L 250V5V~REC/PLAYVLOAD+B4RESET ICSYS STOPRESETIC704Q609Q971+B3+B2M9

CD-BA1500H– 24 –Figure 24 SCHEMATIC DIAGRAM (1/10)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 20. CD SIGNAL42414039383736LOADING

– 25 –CD-BA1500HFigure 25 SCHEMATIC DIAGRAM (2/10)78 9 10 11 12• The numbers 1 to 13 are waveform numbers shown in page 42.RESWRQCEDOCLDIDRFINT+

– 3 –CD-BA1500HFOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFERTO THE OPERATION MANUAL.Specifications for this model are subject

CD-BA1500H– 26 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 20.Figure 26 SCHEMATIC DIAGRAM (3/10)242322212019181716151413121110987

– 27 –CD-BA1500HFigure 27 SCHEMATIC DIAGRAM (4/10)78 9 10 11 12TUN_RTUN_LDICLKDOTUN_SMTUN_SMCETOTUNER SECTIONP31 10-HTOPOWER SECTIONP28 1-GA_12VVF1 -V

CD-BA1500H– 28 –Figure 28 SCHEMATIC DIAGRAM (5/10)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 20.3 1313 1+B–B5.7V20V10V10V10VGND (

– 29 –CD-BA1500HFigure 29 SCHEMATIC DIAGRAM (6/10)78 9 10 11 12+B–B-28V-33V-28V4.9V4.4VTF130 °C43211R1_OUTL1_OUTSP_R Ch_GNDSP_L Ch_GNDSP_R ChSP_L Ch56

CD-BA1500H– 30 –Figure 30 SCHEMATIC DIAGRAM (7/10)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 20.T303SO301ACF301 CONTIF FM/AM FM

– 31 –CD-BA1500HFigure 31 SCHEMATIC DIAGRAM (8/10)78 9 10 11 12XT21CNS303GND CEDODICLK GND A_12V TUN_L TUN_R TUN_SMA GND D GND SDT6TPT4TPVDDAXINVDDD

CD-BA1500H– 32 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 20.Figure 32 SCHEMATIC DIAGRAM (9/10)807978777675747372717069686766656

– 33 –CD-BA1500H78 9 10 11 12Figure 33 SCHEMATIC DIAGRAM (10/10)3029282726252423222120191817161514131211109 8 7 6 5 4 3 2 1 3 14.8V0V0V5.9V0V5.9V4.2VS

– 39 –CD-BA1500HFigure 39 WIRING SIDE OF P.W.BOARD (6/7)78 9 10 11 12CD T/T UP/DOWN MOTOR PWB-E16123456BI4M3T/T UP/DOWNMOTORRDWHBKWHBKWH–+SW3DISCNUMBE

CD-BA1500H– 40 –ABCDEFGH123456PT871SUB POWERTRANSFORMER D872D874C875C872D873D875C873R875Q873C877CNS871R876D876R874D871RL871 L801 SO801AC INPUTSOCKETAC

– 9 –CD-BA1500H1 Top Cabinet 1. Screw ... (A1) x4 9-12 Side Panel 1. Screw ... (B1) x8 9-1(Left/right)3 CD Player

– 41 –CD-BA1500HVOLTAGE0V2.72V2.6V2.59V5.2V0V2.55V 0V0V0V 0V2.66V9876543211211100V2.56V5.21V 0V 0V1.4V 1.7V 4.6V 17161514132019184.3V 0V 2122PINNO.VOL

CD-BA1500H– 42 –WAVEFORMS OF CD CIRCUITTFDOTDOStoppedCH1=500mVDC 10:1CH3=500mVDC 10:1500ms/div(500ms/div)NORM:20kS/s13=Record Length=Smoothing :

– 43 –CD-BA1500HParts code1. CD optical pickup Lens cleaner disc UDSKA0004AFZZTROUBLE SHOOTINGWhen the CD does not functionWhen the CD section does no

CD-BA1500H– 44 –If the level is not normal, check around pins 27~29 on IC1.1. Is focus servo activated? (Waveform drawing 44-2) Pins 1~11 on IC1Check

– 45 –CD-BA1500HThe tracking servo is not activated.Check the peripheral circuits at pins 18 and 19 on IC1, pin 23 onIC2, and CNS1A/B.If the waveform

CD-BA1500H– 46 –Is pin 35 (C2F) on IC2 "L"?YesNoThe HF waveform is normal and the time is displayednormally, but no sound is produced. Or th

– 47 –CD-BA1500HFUNCTION TABLE OF ICFigure 47 BLOCK DIAGRAM OF ICIC1 VHiLA9235M/-1: Servo Amp. (LA9235M)IC2 VHiLC78641E-1: Servo/Signal Control (LC7

CD-BA1500H– 48 –IC2 VHiLC78641E-1: Servo/Signal Control (LC78641E) (1/2)1 PDO1 Output – For PULL Phase-comparison output terminal for built-in VOC co

– 49 –CD-BA1500HIC2 VHiLC78641E-1: Servo/Signal Control (LC78641E) (2/2)44 LVDD – – L channel Power terminal for L channel.45 LCHO Output 1/2VDD D/A

CD-BA1500H– 50 –IC701 RH-iX0329AWZZ: System Microcomputer (IX0329AW) (1/2)Port Name Terminal NamePin No. Input/OutputIn this unit, the terminal with

CD-BA1500H– 10 –Figure 10-2Figure 10-3Figure 10-4Figure 10-5Figure 10-6Figure 10-1Clamp LeverCam Gear Rib (J1)x15ø3x10mm(J2)x1(K1)x6ø3x10mm(L1)x1ø3x10

– 51 –CD-BA1500H54 P120 PLAY SW_B Input PLAY SWITCH FOR T255 P119 PPA Input TAPE2 A–SIDE FULL PROOF56 P118 FPB Input TAPE2 B_SIDE FULL PROOF57 P117 MI

CD-BA1500H– 52 –IC401 VHiLC75341/-1: Audio Processor (LC75341)Figure 52 BLOCK DIAGRAM OF IC19202122232412345678910 11 12 13 14 15 161817LVrefRVrefCON

– 53 –CD-BA1500HFL701 VVKBJ749GNK-1: FL DisplayFigure 53 FL DISPLAYS19GB1 B2 B3 B4 B5 B6 B7B7 B6 B5 B4 B3 B2 B1S51G 2G 3G 4G 5G 6G 7G 8G11G 10GS1B8B9B

– 55 –CD-BA1500HPARTS GUIDENOTE:Parts marked with “ ” are important for maintaining the safety of the set.Be sure to replace parts with specified ones

PRICERANKDESCRIPTIONNO.PARTS CODE NO. PARTS CODEPRICERANKDESCRIPTIONCD-BA1500H– 1 –INTEGRATED CIRCUITSIC1 VHILA9235M/-1 J AQ Servo Amp.,LA9235MIC2 VHI

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BA1500HC73~78 VCKYTV1HB101K J AA 100 pF,50VC80 VCKYTV1HB104K J AB 0.1 µF,50VC81~

PRICERANKDESCRIPTIONNO.PARTS CODE NO. PARTS CODEPRICERANKDESCRIPTIONCD-BA1500HCT26,27 VCCCPA1HH220J J AA 22 pF (CH),50VCT28 VCEAZA1AW476M J AB 47 µF,1

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BA1500HR642 VRD-MN2BD223J J AA 22 kohms,1/8WR643,644 VRD-MN2BD102J J AA 1 kohm,1

PRICERANKDESCRIPTIONNO.PARTS CODE NO. PARTS CODEPRICERANKDESCRIPTIONCD-BA1500HSW616 QSW-K0009AWZZ J Switch,Key Type [CD]SW617 QSW-K0009AWZZ J Switch,K

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BA1500H! 8 QACCB0008AW00 J AW AC Power Supply Cord[For U.K.]! 8 QACCE0011AW00 J

– 11 –CD-BA1500HCP-BA1500H1 Woofer 1. Front Panel ... (A1) x1 11-22 2. Screw ... (A2) x8 11-32 Tweeter 1. Screw ...

CD-BA1500H– 7 –ABCDEFGH123456Figure 7 CD MECHANISM EXPLODED VIEWCD-BA1500H306-1701304701302301702303M1703x2305x2SW4M2305PWB-C306-2306-3306704

CD-BA1500H– 9 –Figure 9 CABINET EXPLODED VIEW (2/2)ABCDEFGH123456CD-BA1500H248CDMECHANISM205257235236243224259239239260204-2204-1204-3258204240239x36

CD-BA1500HCOPYRIGHT 2000 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may be reproduced,stored in a retrieval system, o

CD-BA1500H– 12 –REMOVING AND REINSTALLING THE MAIN PARTSTAPE MECHANISM SECTIONPerform steps 1 to 5, 8 and 10 of the disassembly method toremove the ta

– 13 –CD-BA1500HHow to remove the pickup (See Fig. 13-2)1. Remove the screws (B1) x 2 pcs., to remove the shaft (B2).2. Remove the stop washer (B3) x

CD-BA1500H– 14 –CD SECTION• AM IF/RFSignal generator: 400 Hz, 30%, AM modulated*1. Input: Antenna, Output: TP302*2. Input: Antenna, Output: TP301TUNE

– 15 –CD-BA1500HTEST MODE·Setting the test mode Any one of test mode can be set by pressing several keys as fallows. <X-BASS> + <CD> + <