302 | Sharp XL-3000V manual

XL-3000V

A

B

C

D

E

F

308

308-2

703

308-1

308-3

704x2

303

NM802

305

703

304

701

302

301

702x2

307x2

G

H

306x2

NM801

NSW801

PWB-C

1

2

3

4

5

6

Figure 7 CD MECHANISM EXPLODED VIEW

– 7 –

Image 70

Sharp XL-3000V service manual 302

Contents

Contents Model XL-3000V AC Power Cord and Plug Adaptor Voltage Selection Specifications Display Names of PartsFront panel Rear panel Remote control Setting the Clock System Connections Setting the AC voltage selector Connecting the AC power lead Listening to a CD Disassembly LED PWB PWB Perform steps 1,2 and 7 of the disassembly method to remove Removing and Reinstalling the Main PartsHow to remove the CD lid See Fig CD Mechanism Section See Fig FM Detection AdjustmentSetting the Test Mode FM Mute Level Test Video CD IC15VBEX Video PWB-D Checking the black-and-white level Disc Checking SettingChecking of vector scope waveform Video OUT Tuner Test Mode Test Outline of tuner radio test mode Turning on the test modeDetails of tuner test mode Timer test Mode Test Electronic volume Test Mode TestLCD Test Mode Test Key input diagnosis Test Mode Test Volume UP ON-OFF FF/PRESET UP ON-OFFCD PLAY/PAUSE/TUNING UP ON-OFF Volume Down ON-OFF FOCUS/TRACKING Switch PWBCD Motor PWB SPIN/SLED Driver Main PWB Power PWB-BRminal PWB Display PWB Lamp PWB Tuner PWB Video CD Decoder IC10VIC15V IC16V Buffer AMP IC11VVideo CD Encoder Video PWB-D Terminal PWB-A4From Tuner PWB-A2 CNS7 From FM Signal Video SignalCD Signal Volume SERVO/SIGNAL Control CD Motor PWB-C CD LID Motor Driver Schematic Diagram 5/10 Main PWB-A11/2 AM Signal FM SignalTuner PWB-A2 CNP307 Lamp PWB-A7 Display PWB-A3System Schematic Diagram 8/10 ROM 256Kx16 Video PWB-DIC10V Video CD Decoder XL-3000V Video SignalCD Signal Buffer AMP To 15 are waveform numbers shown From Display MERAssis PWB-A3 Spindle Ohms AntennaTo Main PWB-A1 To Video To MainPink IC14V Video PWB-D TOP ViewVideo PWB-D Bottom View IC16V Waveforms of CD Circuit When the CD does not function TroubleshootingParts Code UDSKA0004AFZZ Sled Motor HF ErrorFailure Operating Failure Laser failure Focus failure Spindle motor clv servo failure Focus servo sawtooth wave failureDMO TEI Tezi HF errorNo sound RFI Sled motor operation failure Track search failureSled servo failure Function Table of IC IC401 VHiLC75342M-1 Function/Volume Equalizer LC75342MPin No Port Name Function Test VSS Pin No Terminal Name Input/Output Function IC701 RH-iX0038SJZZ System Microcomputer/FL driver IX0038SJ SEG25-SEG0 IC801 VHiTA2109F/-1Servo Pre Amp. TA2109F Uhso HSO IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 1/3Pin No Port Name Input/Output Function IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 2/3 IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 3/3 IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F CH1-IN-A CH1-OUT-ACH1-OUT-B CH1-IN-B IC14V VHiES3883F/-1 Video CD Encoder ES3883F 1/2 IC14V VHiES3883F/-1 Video CD Encoder ES3883F 2/2 ICV14 VHiES3883F/-1 Video CD Encoder ES3883F IC16V RH-iX0025SJZZ D-RAM 256Kx16 IX0025SJ IC15V VHiES3880F/-1 Video CD Decoder ES3880F ES3880F Aclk AOUT/SELPLL0 Atclk LCD701 RV-LX0012SJZZ LCD Display Memory For U.S.A. only IC14V IC10V RH-IX0041SJZZIC11V VHINJM4565M-1 IC15V RC-GZA227AF1C VCKYPA1HB102KVCKYPA1HF223Z RC-GZW228AF1V RC-GZA227AF1A RC-EZD107AF1AVCKYCY1EB104K VCKYCY1EB563K R607VRS-CY1JB682J R358VRS-CY1JB822J R359VRS-CY1JB182J R360VRS-CY1JB472JR393VRS-CY1JB102J R395VRD-ST2CD473J R621VRS-CY1JB223J CNP801V QCNCW010MSJZZ QCNCM998DAFZZQCNCM037ESJZZ QCNCW007RSJZZ TSPC-0221SJZZ LX-WZ9006SJZZCPNLS1006SJ01 HSY042SPK07 302 PWB-A7 PWB-A3 PWB-A6PWB-A5 PWB-A8 Copyright 2001 by Sharp Corporation