Sharp CD-BK260V Service Manual

– 1 –CD-BK260V/CD-BK2700V/CD-BK280VNo. S6139CDBK260V CONTENTSPageSAFETY PRECAUTION FOR SERVICE MANUAL ...

CD-BK260V/CD-BK2700V/CD-BK280V– 10 –Figure 10-1Figure 10-2Figure 10-3Figure 10-4Figure 10-5Figure 10-6Lock LeverCD Player Unit(Bottom View)Clamp Lever

– 11 –CD-BK260V/CD-BK2700V/CD-BK280V1 Front Panel 1. Net... (A1) x1 11-32 Woofer 1. Screw ... (B1) x4 11-43 T

CD-BK260V/CD-BK2700V/CD-BK280V– 12 –REMOVING AND REINSTALLING THE MAIN PARTSTAPE MECHANISM SECTIONPerform steps 1 to 6 and 8 of the disassembly method

– 13 –CD-BK260V/CD-BK2700V/CD-BK280VHow to remove the pickup (See Fig. 13-2)1. Remove the stop washer (B1) x 1 pc., to remove the gear(B2) x 1 pc.2. R

CD-BK260V/CD-BK2700V/CD-BK280V– 14 –Figure 14-2CD ERROR CODE DESCRIPTIONErrorState Code[Servo System Error]0001 Cannot detect Pickup-in SW0002 DSP acc

– 15 –CD-BK260V/CD-BK2700V/CD-BK280VTEST MODE• Setting the test mode Any one of test mode can be set by pressing several keys as follows. <X-BASS&

CD-BK260V/CD-BK2700V/CD-BK280V– 16 –Standard Specification of Stereo System Error Message Display Contents Error Contents Display

– 17 –CD-BK260V/CD-BK2700V/CD-BK280VFigure 17-1Set the phase of colorPhase checkTrack 2 VIDEO OUT burst signal (B) to±10°180° -360° line.Disc Checking

CD-BK260V/CD-BK2700V/CD-BK280V– 18 –• The indicated voltage in each section is the one measuredby Digital Multimeter between such a section and the ch

– 19 –CD-BK260V/CD-BK2700V/CD-BK280V Figure 19 BLOCK DIAGRAM (1/3)TO DISPLAYSECTIONTO MAINSECTION1234561234561234561234566543214030313241474653767565

CD-BK260V/CD-BK2700V/CD-BK280V– 2 –QACCE0010AW00SAFETY PRECAUTION FOR SERVICE MANUALWARNINGSTHE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUT

CD-BK260V/CD-BK2700V/CD-BK280V– 20 – Figure 20 BLOCK DIAGRAM (2/3)AM LOOPANTENNASO302FM ANTENNATERMINALFMANTENNACNP301JK1MIC12IC101AN7345KPLAYBACK AND

– 21 –CD-BK260V/CD-BK2700V/CD-BK280V Figure 21 BLOCK DIAGRAM (3/3)SW601SPANSELECTORCD-BK280V ONLYQ914KTC2026 KIA7810APVOLTAGE REGULATORQ907Q908–VFVF2V

CD-BK260V/CD-BK2700V/CD-BK280V– 22 –Figure 22 SCHEMATIC DIAGRAM (1/13)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.R62022K910 11

– 23 –CD-BK260V/CD-BK2700V/CD-BK280VFigure 23 SCHEMATIC DIAGRAM (2/13)78 9 10 11 1222232425262728293031KOK OUT(L)KOK IN(L)KOK OUT(R)KOK IN(R)DICLKKOK

CD-BK260V/CD-BK2700V/CD-BK280V– 24 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.Figure 24 SCHEMATIC DIAGRAM (3/13)+B2 2131233 2

– 25 –CD-BK260V/CD-BK2700V/CD-BK280VFigure 25 SCHEMATIC DIAGRAM (4/13)78 9 10 11 12+B2 TRANSFORMERPWB-A3MAIN PWB-A1 (2/3)POWER PWB-A2CD-BK280V ONLY+ R

CD-BK260V/CD-BK2700V/CD-BK280V– 26 –Figure 26 SCHEMATIC DIAGRAM (5/13)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.AM BANDCOVERA

– 27 –CD-BK260V/CD-BK2700V/CD-BK280VFigure 27 SCHEMATIC DIAGRAM (6/13)78 9 10 11 12123P23 12 - FTO MAIN PWB2221201918171615141312111098765432124 23 22

CD-BK260V/CD-BK2700V/CD-BK280V– 28 –Figure 28 SCHEMATIC DIAGRAM (7/13)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.M12VP22 P21 P

– 29 –CD-BK260V/CD-BK2700V/CD-BK280VFigure 29 SCHEMATIC DIAGRAM (8/13)78 9 10 11 125V BACK UP213P09 P08 P07 P06 P05 P04 P03 P02 P01 G01 G02 G03 G04 G

– 3 –CD-BK260V/CD-BK2700V/CD-BK280VGeneralAmplifierVideo CDCD playerTunerCassette deckPower sourceAC 110/127/220/230 - 240 V, 50/60 HzPower consumptio

CD-BK260V/CD-BK2700V/CD-BK280V– 30 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.Figure 30 SCHEMATIC DIAGRAM (9/13)CD MOTOR PWB-

– 31 –CD-BK260V/CD-BK2700V/CD-BK280VFigure 31 SCHEMATIC DIAGRAM (10/13)78 9 10 11 12• The numbers 1 to 12 are waveform numbers shown in page 44.

CD-BK260V/CD-BK2700V/CD-BK280V– 32 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.Figure 32 SCHEMATIC DIAGRAM (11/13)CD VIDEO PWB

– 33 –CD-BK260V/CD-BK2700V/CD-BK280VFigure 33 SCHEMATIC DIAGRAM (12/13)78 9 10 11 127658VIDEO OUTPWB-B3+B+B+B+B+B+B+B+B+B+B+B+B+B+B+BTODISPLAY PWBP29

CD-BK260V/CD-BK2700V/CD-BK280V– 34 –ABCDEFGH123456Figure 34 SCHEMATIC DIAGRAM (13/13)Figure 34 WIRING SIDE OF P.W.BOARD (1/9)• NOTES ON SCHEMATIC DIAG

– 35 –CD-BK260V/CD-BK2700V/CD-BK280VFigure 35 WIRING SIDE OF P.W.BOARD (2/9)78 9 10 11 12C902CNP902CNS902P37 11 - FFROM MAIN PWBD901R984R983D903D904D

CD-BK260V/CD-BK2700V/CD-BK280V– 36 –Figure 36 WIRING SIDE OF P.W.BOARD (3/9)ABCDEFGH123456SO901SPEAKERTERMINALSR1SURROUNDSPEAKERTERMINALZD351C370C610C

– 37 –CD-BK260V/CD-BK2700V/CD-BK280VFigure 37 WIRING SIDE OF P.W.BOARD (4/9)78 9 10 11 12WHWHBKPKWHGRBLBKPKBKWHYLBLBI10271234561CNS102TO TAPE 2 RECORD

CD-BK260V/CD-BK2700V/CD-BK280V– 38 –Figure 38 WIRING SIDE OF P.W.BOARD (5/9)ABCDEFGH123456R787R702R703R704XLSWOFSW718VOLUME DOWND709RD16Q707SW716EQUAL

– 39 –CD-BK260V/CD-BK2700V/CD-BK280VFigure 39 WIRING SIDE OF P.W.BOARD (6/9)78 9 10 11 12R769CNS701CNP701P37 9 -HTO MAIN PWBFFC701SW701ON/STAND-BYR7

CD-BK260V/CD-BK2700V/CD-BK280V– 4 –Front panel1. Video CD/CD/MP3 Disc Tray 2. Timer Set Indicator 3. On/Stand-by Button4. Tape 2 Cassette Compartment

CD-BK260V/CD-BK2700V/CD-BK280V– 40 –ABCDEFGH123456Figure 40 WIRING SIDE OF P.W.BOARD (7/9)C80 C44 R67 R68 C25 R80 C81 C22 R11 R25 R94 R95 C53 R47 C82

– 41 –CD-BK260V/CD-BK2700V/CD-BK280VFigure 41 WIRING SIDE OF P.W.BOARD (8/9)78 9 10 11 12RM3355CM38CM36CM42RM24CM56CM34CM26RM32RM38RM44RM42RM43CM16CM3

CD-BK260V/CD-BK2700V/CD-BK280V– 42 –Figure 42 WIRING SIDE OF P.W.BOARD (9/9)ABCDEFGH123456654321CNS102TAPE 2RECORD/PLAYBACK/ERASE HEAD-+CNP101P37 11

– 43 –CD-BK260V/CD-BK2700V/CD-BK280VVOLTAGE 4.86 V0 V0 V0 V4.84 V4.82 V4.84 V0 V4.94 V4.82 V2.36 V2.03 V0 V0 V4.96 V4.84 V4.84 V0 V4.95 V0 V0 V4.84 V0

CD-BK260V/CD-BK2700V/CD-BK280V– 44 –WAVEFORMS OF CD CIRCUITTFDOTDOStoppedCH1=500 mVDC 10:1CH3=500 mVDC 10:1500 ms/div(500 ms/div)NORM:20 kS/s13=Re

– 45 –CD-BK260V/CD-BK2700V/CD-BK280VHOW TO USECAUTIONCleaning fluidCleaner discUsing the brush in the cleaner cap, apply 1 or 2 drops of the cleaning

CD-BK260V/CD-BK2700V/CD-BK280V– 46 –If the level is not normal, check around pins 27~29 on IC1.1. Is focus servo activated ? (Waveform drawing 46-2) P

– 47 –CD-BK260V/CD-BK2700V/CD-BK280VThe tracking servo is not activated.Check the peripheral circuits at pins 18 and 19 on IC1, pin 23 onIC2, and CNS1

CD-BK260V/CD-BK2700V/CD-BK280V– 48 –Is pin 35 (C2F) on IC2 "L" ?YesNoThe HF waveform is normal and the time is displayednormally, but no sou

– 49 –CD-BK260V/CD-BK2700V/CD-BK280VFUNCTION TABLE OF ICIC1 VHiLA9235M/-1: Servo Amp. (LA9235M)IC2 VHiLC78636E-1: Servo/Signal Control (LC78636E)Figur

– 5 –CD-BK260V/CD-BK2700V/CD-BK280VRear panel1. Video Output Socket 2. FM 75 Ohms Aerial Terminal 3. FM Aerial Earth Terminal 4. AM Loop Aerial Socket

CD-BK260V/CD-BK2700V/CD-BK280V– 50 –1 IN2- CH2 inverted input.2 IN1A- CH1 inverted input.3* IN1B- CH1 output offset control.4 OUT1- CH1 inverted outpu

– 51 –CD-BK260V/CD-BK2700V/CD-BK280VICM2 VHiES3880F/-1: VCD Processor (ES3880F)1 VDD VDD Input VOLTAGE SUPPLY FOR 3.3 V.2 RAS# RAS# Output DRAM ROM AD

CD-BK260V/CD-BK2700V/CD-BK280V– 52 –ICM3 VHiES3889F/-1: VCD Companion (ES3889F) (1/2)1 GND GND — GROUND.2*-4* N.C. N.C. — NOT USED.5 VDD VDD Input VOL

– 53 –CD-BK260V/CD-BK2700V/CD-BK280VICM3 VHiES3889F/-1: VCD Companion (ES3889F) (2/2)59,60 VVDD VVDD Input VIDEO VDD 5 V.61 YDAC YDAC Output Y LUMINAN

CD-BK260V/CD-BK2700V/CD-BK280V– 54 –ICM1 VHi1625635T-1: DRAM (1625635T)Figure 54 BLOCK DIAGRAM OF IC1 VCC POWER SUPPLY.2-10 I/O0-I/O7 DATA INPUT/OUTPU

– 55 –CD-BK260V/CD-BK2700V/CD-BK280V1 VDD VDD Input (+) POWER SUPPLY.2 P37 -20 dB ATT Output -20 dB ATTENUATOR.3 P36 NO USE Output GNDDSA_STB Input/Ou

CD-BK260V/CD-BK2700V/CD-BK280V– 56 –50 P124 T 1 RUN Input TAPE 1 RUN PULSE INPUT.51 P123 T 2 RUN Input TAPE 2 RUN PULSE INPUT.52 P122 CD CLAMP SW Inpu

– 57 –CD-BK260V/CD-BK2700V/CD-BK280VIC601 VHiLC75341/-1: Audio Processor (LC75341)Figure 57 BLOCK DIAGRAM OF IC19202122232412345678910 11 12 13 14 15

CD-BK260V/CD-BK2700V/CD-BK280V– 58 –1 MIC SW Input Microphone SW L: MIC OFF, H: MIC ON2 MCLKCONT — Clock Control.Controls built-in clock generation ci

– 59 –CD-BK260V/CD-BK2700V/CD-BK280VICK1 VHiM65856SP-1: Mic Amp. (M65856SP) (2/2)In this unit, the terminal with asterisk mark (*) is (open) terminal

CD-BK260V/CD-BK2700V/CD-BK280V– 6 –Remote control1. Remote Control Transmitter 2. Video CD/CD/MP3 Disc Number Select Buttons 3. Echo Level Up and Down

CD-BK260V/CD-BK2700V/CD-BK280V– 60 –FL701 VVKBJ749GNK-1: FL DisplayFL DISPLAYS19GB1 B2 B3 B4 B5 B6 B7B7 B6 B5 B4 B3 B2 B1S51G 2G 3G 4G 5G 6G 7G 8G11G

– 61 –CD-BK260V/CD-BK2700V/CD-BK280VPARTS GUIDENOTE:Parts marked with “ ” are important for maintaining the safety of the set.Be sure to replace parts

PRICERANKDESCRIPTIONNO.PARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BK260V/CD-BK2700V/CD-BK280VCD-BK260V/CD-BK2700V/CD-BK280VINTEGRATED CIRCUITSIC1

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BK260V/CD-BK2700V/CD-BK280VC42 VCCCCY1HH680J J AA 68 pF (CH),50VC44 VCKYCY1EF223

PRICERANKDESCRIPTIONNO.PARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BK260V/CD-BK2700V/CD-BK280VC936,937 VCCSMN1HL150J J AA 15 pF,50VC938,939 VCKYMN1

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BK260V/CD-BK2700V/CD-BK280VR136,137 VRD-ST2CD224J J AA 220 kohms,1/6WR138 VRD-MN

PRICERANKDESCRIPTIONNO.PARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BK260V/CD-BK2700V/CD-BK280VRD02 VRD-MN2BD821J J AA 820 ohms,1/8WRD03 VRD-ST2CD10

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BK260V/CD-BK2700V/CD-BK280VSW705 92LSWICHT1663T J AC Switch,Key Type [P.B.C]SW70

PRICERANKDESCRIPTIONNO.PARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BK260V/CD-BK2700V/CD-BK280V225 92LBE231616 J AD Belt226 92LCSPR1431C J AA Spring

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BK260V/CD-BK2700V/CD-BK280VSPEAKER BOX PARTS901 GBOXS6002AWSB J BB Speaker Box A

– 7 –CD-BK260V/CD-BK2700V/CD-BK280VOPERATION MANUALSetting the ClockIn this example, the clock is set for the 24-hour (0:00) display.Note:The "CL

CD-BK260V/CD-BK2700V/CD-BK280VABCDEFGH123456Figure 9 CD MECHANISM EXPLODED VIEW– 9 –CD-BK260V/CD-BK2700V/CD-BK280V306-1701304701302301702303M1703x230

CD-BK260V/CD-BK2700V/CD-BK280VABCDEFGH123456Figure 10 CABINET EXPLODED VIEW (1/2)– 10 –Note: Only the unit and consumable parts are supplied as parts

CD-BK260V/CD-BK2700V/CD-BK280VFigure 11 CABINET EXPLODED VIEW (2/2)ABCDEFGH123456– 11 –CDMECHANISM204250228229236254252232232232x4PWB-C232225M3SW3PWB

CD-BK260V/CD-BK2700V/CD-BK280VABCDEFGH123456902904x4903906x2901907908x4906x2909x2905x2SP3,4SP1,2C1,2Capacitor2.2µF,100V(N.P.)C1,2Capacitor2.2µF,100VEl

CD-BK260V/CD-BK2700V/CD-BK280V– 13 –ABCDEFGH123456Figure 13 SPEAKER EXPLODED VIEW (2/2)GBOXS0070AWM1 (CD-BK280V ONLY)904 x 6SP1,2905901902903SP1,2SP1,

CD-BK260V/CD-BK2700V/CD-BK280V–– MEMO ––– 14 –

CD-BK260V/CD-BK2700V/CD-BK280VCOPYRIGHT 2001 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may be reproduced,stored in a

CD-BK260V/CD-BK2700V/CD-BK280V– 8 –Troubleshooting ChartMany potential problems can be resolved by the owner without calling a service tech-nician.If

– 9 –CD-BK260V/CD-BK2700V/CD-BK280V1 Top Cabinet 1. Screw ...... (A1) x4 9-12 Side Panel 1. Screw ...... (B1) x8 9-1(L