Sharp XL-3000V service manual Waveforms of CD Circuit

Page 41

XL-3000V

WAVEFORMS OF CD CIRCUIT

NO DISC FOCUS SEARCH

1 FOO IC802 48pin

2 FO+

IC804 26pin

3 FO-

IC804 27pin

FOCUS SEARCHTOC IL

4 SEL IC802 57pin

5 FEI

IC802 43pin

6 TEI

IC802 46pin

STOPPLAY

5 FEI

IC802 43pin

7 SBAD IC802 44pin

8 RFO IC801 22pin

STOPPLAY

5 FEI

IC802 43pin

9 RFGO IC801 19pin

10 RFRP IC801 17pin

STOPPLAY

6 TEI

IC802 46pin

11 TRO IC802 49pin

7 SBAD IC802 44pin

STOPPLAY

112 TMAX IC802 30pin

213 SBOK IC802 12pin

314 DMO IC802 55pin

STOPPLAY

16 TEI IC802 46pin

211 TRO IC802 49pin

315 FMO IC802 53pin

CUE

16 TEI IC802 46pin

211 TRO IC802 49pin

315 FMO IC802 53pin

REVIEW

16 TEI IC802 46pin

211 TRO IC802 49pin

315 FMO IC802 53pin

TCD-782 TNO-02 PLAYBACK

116 LO

IC11V 7pin

2

17 RO

3	IC11V 1pin

1

2

3

1

2

3

1

2

3

1

2

3

1

2

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Image 41

Contents Model XL-3000V ContentsVoltage Selection AC Power Cord and Plug AdaptorSpecifications Front panel Names of PartsDisplay Rear panelRemote control Setting the Clock System Connections Setting the AC voltage selector Connecting the AC power lead Listening to a CD LED PWB DisassemblyPWB How to remove the CD lid See Fig Removing and Reinstalling the Main PartsPerform steps 1,2 and 7 of the disassembly method to remove CD Mechanism Section See FigSetting the Test Mode AdjustmentFM Detection FM Mute LevelBEX IC15VTest Video CD Video PWB-DChecking of vector scope waveform Disc Checking SettingChecking the black-and-white level Video OUTDetails of tuner test mode Turning on the test modeTuner Test Mode Test Outline of tuner radio test mode LCD Test Mode Test Electronic volume Test Mode TestTimer test Mode Test Key input diagnosis Test Mode Test CD PLAY/PAUSE/TUNING UP ON-OFF FF/PRESET UP ON-OFFVolume UP ON-OFF Volume Down ON-OFFCD Motor PWB Switch PWBFOCUS/TRACKING SPIN/SLED DriverRminal Power PWB-BMain PWB PWBLamp PWB Display PWBTuner PWB IC15V IC10VVideo CD Decoder IC16VVideo CD Encoder IC11VBuffer AMP From Terminal PWB-A4Video PWB-D Tuner PWB-A2 CNS7 FromCD Signal Video SignalFM Signal VolumeSERVO/SIGNAL Control CD LID Motor Driver CD Motor PWB-CSchematic Diagram 5/10 Tuner PWB-A2 AM Signal FM SignalMain PWB-A11/2 CNP307System Display PWB-A3Lamp PWB-A7 Schematic Diagram 8/10 IC10V Video PWB-DROM 256Kx16 Video CD DecoderCD Signal Video SignalXL-3000V Buffer AMPTo 15 are waveform numbers shown Assis MERFrom Display PWB-A3 SpindleTo Main PWB-A1 AntennaOhms Pink To MainTo Video Video PWB-D Bottom View Video PWB-D TOP ViewIC14V IC16VWaveforms of CD Circuit Parts Code UDSKA0004AFZZ TroubleshootingWhen the CD does not function Failure HF ErrorSled Motor Operating FailureFocus failure Laser failureDMO Focus servo sawtooth wave failureSpindle motor clv servo failure No sound HF errorTEI Tezi RFISled servo failure Track search failureSled motor operation failure Pin No Port Name Function IC401 VHiLC75342M-1 Function/Volume Equalizer LC75342MFunction Table of IC Test VSS Pin No Terminal Name Input/Output Function SEG25-SEG0 IC701 RH-iX0038SJZZ System Microcomputer/FL driver IX0038SJIC801 VHiTA2109F/-1Servo Pre Amp. TA2109F Pin No Port Name Input/Output Function IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 1/3Uhso HSO IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 2/3 IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 3/3CH1-OUT-B CH1-OUT-ACH1-IN-A CH1-IN-BIC14V VHiES3883F/-1 Video CD Encoder ES3883F 1/2 IC14V VHiES3883F/-1 Video CD Encoder ES3883F 2/2 IC16V RH-iX0025SJZZ D-RAM 256Kx16 IX0025SJ ICV14 VHiES3883F/-1 Video CD Encoder ES3883FIC15V VHiES3880F/-1 Video CD Decoder ES3880F Aclk AOUT/SELPLL0 Atclk ES3880FMemory LCD701 RV-LX0012SJZZ LCD DisplayFor U.S.A. only IC11V VHINJM4565M-1 IC10V RH-IX0041SJZZIC14V IC15VVCKYPA1HF223Z VCKYPA1HB102KRC-GZA227AF1C RC-GZW228AF1VVCKYCY1EB104K RC-EZD107AF1ARC-GZA227AF1A VCKYCY1EB563KR393VRS-CY1JB102J R395VRD-ST2CD473J R358VRS-CY1JB822J R359VRS-CY1JB182J R360VRS-CY1JB472JR607VRS-CY1JB682J R621VRS-CY1JB223JQCNCM037ESJZZ QCNCM998DAFZZCNP801V QCNCW010MSJZZ QCNCW007RSJZZCPNLS1006SJ01 LX-WZ9006SJZZTSPC-0221SJZZ HSY042SPK07302 PWB-A5 PWB-A6PWB-A7 PWB-A3 PWB-A8Copyright 2001 by Sharp Corporation