Sharp XL-3000V service manual Sled Motor, Operating Failure, HF Error

Page 43

XL-3000V

Make sure that the disc is normal, and set the CD TEST MODE (STEP 1).

Is the measured voltage as specified in circuit diagram?

Yes

Is "Er-CD01" displayed"?

Yes

Move the pickup to most internal circumference side of disc. Turn the power off and reset the CD TEST MODE (STEP 1). Is "PU ERROR " not displayed?

Yes

No

No

No

Check the main unit power supply circuit.

Check the pattern between pin 58 (PU_IN) of IC701 and CNW803/CNS803.

Check the between CNW803/CNS803 and PU-IN switch.

Is +5V applied to pin 100 (/RST) of IC802?

Yes

Does the CD TEST MODE advance from "STEP 2"?

Yes

Does the laser come on in CD TEST MODE "STEP 2"?

Yes

Does the CD TEST MODE advance from "STEP 3" to "STEP 4"?

Yes

Does the spindle motor rotate normally when the CD TEST MODE changes from "STEP 4" to "STEP 3"?

Yes

Is the HF output on pin 38 of IC802 in CD TEST MODE "STEP 5"?

Yes

	No	Check the PWB pattern between pin 59 (CD_RES) of IC701 and
	No	pin 100 (/RST) of IC802.
		pin 100 (/RST) of IC802.

		Is CD Lid switch SW802		Set ON condition the CD
	No		No
		ON condition ?		Lid switch.

Yes

Check the between pattern IC701 and SW802 If OK.

Check the main unit power supply circuit.

Check the procedure in "LASER FAILURE". No

Check the procedure in "FOCUS FAILURE". No

	No	Check the procedure in "SPINDLE MOTOR CLV SERVO
	No	FAILURE".
		FAILURE".

Check the procedure "HF ERROR".

No

Does the sound heard when the optical pickup move to the

selected play by the FF /REW key.

Yes

	No	Does the sled motor	No	Check the procedure in
	No	move ?	No	"SLED MOTOR
		move ?		"SLED MOTOR
		Yes		OPERATING FAILURE ".
		Yes

Check the procedure "NO SOUND"

Does the LCD track number and time indicator work properly ?

Yes

Turn the power off and then back on.

Does the unit initialize properly and start playback when PLAY key is pressed?

Yes

Check the pattern between IC701 and LCD701.

No

		Is "Er-CD01 "		Check the procedure in
	No		No
		displayed ?		"HF ERROR".

Yes

Check the pattern between pin 58 (PU_IN) of IC701 and CNW803/CNS803. Check the between CNW803/ CNS803 and PU-IN switch.

Does the unit play in order in the FF mode?

Yes

Does playback continue for 30 seconds after the start of playback ?

Yes

Normal

Check the procedure in "TRACK SEARCH FAILURE". No

Check the procedure in "SLED SERVO FAILURE".

No

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Contents Model XL-3000V ContentsVoltage Selection AC Power Cord and Plug AdaptorSpecifications Rear panel Names of PartsFront panel DisplayRemote control Setting the Clock System Connections Setting the AC voltage selector Connecting the AC power lead Listening to a CD LED PWB DisassemblyPWB CD Mechanism Section See Fig Removing and Reinstalling the Main PartsHow to remove the CD lid See Fig Perform steps 1,2 and 7 of the disassembly method to removeFM Mute Level AdjustmentSetting the Test Mode FM DetectionVideo PWB-D IC15VBEX Test Video CDVideo OUT Disc Checking SettingChecking of vector scope waveform Checking the black-and-white levelTuner 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 Down ON-OFF FF/PRESET UP ON-OFFCD PLAY/PAUSE/TUNING UP ON-OFF Volume UP ON-OFFSPIN/SLED Driver Switch PWBCD Motor PWB FOCUS/TRACKINGPWB Power PWB-BRminal Main PWBLamp PWB Display PWBTuner PWB IC16V IC10VIC15V Video CD DecoderBuffer AMP IC11VVideo CD Encoder Tuner PWB-A2 CNS7 From Terminal PWB-A4From Video PWB-DVolume Video SignalCD Signal FM SignalSERVO/SIGNAL Control CD LID Motor Driver CD Motor PWB-CSchematic Diagram 5/10 CNP307 AM Signal FM SignalTuner PWB-A2 Main PWB-A11/2Lamp PWB-A7 Display PWB-A3System Schematic Diagram 8/10 Video CD Decoder Video PWB-DIC10V ROM 256Kx16Buffer AMP Video SignalCD Signal XL-3000VTo 15 are waveform numbers shown PWB-A3 Spindle MERAssis From DisplayOhms AntennaTo Main PWB-A1 To Video To MainPink IC16V Video PWB-D TOP ViewVideo PWB-D Bottom View IC14VWaveforms of CD Circuit When the CD does not function TroubleshootingParts Code UDSKA0004AFZZ Operating Failure HF ErrorFailure Sled MotorFocus failure Laser failureSpindle motor clv servo failure Focus servo sawtooth wave failureDMO RFI HF errorNo sound TEI TeziSled 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 SEG25-SEG0 IC701 RH-iX0038SJZZ System Microcomputer/FL driver IX0038SJIC801 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 IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 3/3CH1-IN-B CH1-OUT-ACH1-OUT-B CH1-IN-AIC14V 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 IC15V IC10V RH-IX0041SJZZIC11V VHINJM4565M-1 IC14VRC-GZW228AF1V VCKYPA1HB102KVCKYPA1HF223Z RC-GZA227AF1CVCKYCY1EB563K RC-EZD107AF1AVCKYCY1EB104K RC-GZA227AF1AR621VRS-CY1JB223J R358VRS-CY1JB822J R359VRS-CY1JB182J R360VRS-CY1JB472JR393VRS-CY1JB102J R395VRD-ST2CD473J R607VRS-CY1JB682JQCNCW007RSJZZ QCNCM998DAFZZQCNCM037ESJZZ CNP801V QCNCW010MSJZZHSY042SPK07 LX-WZ9006SJZZCPNLS1006SJ01 TSPC-0221SJZZ302 PWB-A8 PWB-A6PWB-A5 PWB-A7 PWB-A3Copyright 2001 by Sharp Corporation