Sharp XL-3000V Removing and Reinstalling the Main Parts, How to remove the CD lid See Fig

Page 12

XL-3000V

REMOVING AND REINSTALLING THE MAIN PARTS

How to remove the CD lid (See Fig. 12-1.)

Perform steps 1,2 and 8 of the disassembly method to remove the gear box. (See page 10,11)

1.Remove the switch PWB.

2.Remove the screws (A1) x 4 pcs., to remove the gear box lid.

3.Remove the gears (A2) x 1 pc. and (A3) x 1 pc.

4.Remove the screws (A4) x 2 pcs., to remove the motor.

Caution:

Be careful so that the gear is not damaged.

(The damage gear emits noise during searching.)

(A4) x2 ø2 x5mm

CD Lid Motor

(A2) x1

(A1) x1

ø2.5 x14mm

 

(A1) x2 ø2.5 x12mm

(A3) x1

Switch PWB

Gear Box Lid (A1) x1

ø2.5 x10mm

Figure 12-1

CD MECHANISM SECTION (See Fig. 12-2.)

(A1) x4

Mechanism Cover

Perform steps 1,2 and 7 of the disassembly method to remove

 

 

 

the CD mechanism. (See page 10,11)

1.Remove the mechanism cover, paying attention to the pawls (A1) x 4 pcs.

2. Remove the screws (A2) x 2 pcs., to remove the shaft (A3)

(A2) x2

x 1 pc.

ø2.6 x6mm

 

3. Remove the stop washer (A4) x 1 pc., to remove the gear

 

(A5) x 1 pc.

 

4. Remove the pickup.

 

Note:

CD Mechanism

After removing the connector for the optical pickup from the

 

connector, wrap the conductive aluminium foil around the

 

front end of connector remove to protect the optical pickup

 

from electrostatic damage.

Shaft

 

 

(A3) x1

Gear (A5) x1

Stop Washer (A4) x1

Pickup unit

Figure 12-2

– 12 –

Image 12
Contents Contents Model XL-3000VAC Power Cord and Plug Adaptor Voltage SelectionSpecifications Names of Parts Front panelDisplay Rear panelRemote control Setting the Clock System Connections Setting the AC voltage selector Connecting the AC power lead Listening to a CD Disassembly LED PWBPWB Removing and Reinstalling the Main Parts How to remove the CD lid See FigPerform steps 1,2 and 7 of the disassembly method to remove CD Mechanism Section See FigAdjustment Setting the Test ModeFM Detection FM Mute LevelIC15V BEXTest Video CD Video PWB-DDisc Checking Setting Checking of vector scope waveformChecking the black-and-white level Video OUTTurning on the test mode Tuner Test Mode Test Outline of tuner radio test modeDetails of tuner test mode Electronic volume Test Mode Test Timer test Mode TestLCD Test Mode Test Key input diagnosis Test Mode Test FF/PRESET UP ON-OFF CD PLAY/PAUSE/TUNING UP ON-OFFVolume UP ON-OFF Volume Down ON-OFFSwitch PWB CD Motor PWBFOCUS/TRACKING SPIN/SLED DriverPower PWB-B RminalMain PWB PWBDisplay PWB Lamp PWBTuner PWB IC10V IC15VVideo CD Decoder IC16VIC11V Buffer AMPVideo CD Encoder Terminal PWB-A4 FromVideo PWB-D Tuner PWB-A2 CNS7 FromVideo Signal CD SignalFM Signal VolumeSERVO/SIGNAL Control CD Motor PWB-C CD LID Motor DriverSchematic Diagram 5/10 AM Signal FM Signal Tuner PWB-A2Main PWB-A11/2 CNP307Display PWB-A3 Lamp PWB-A7System Schematic Diagram 8/10 Video PWB-D IC10VROM 256Kx16 Video CD DecoderVideo Signal CD SignalXL-3000V Buffer AMPTo 15 are waveform numbers shown MER AssisFrom Display PWB-A3 SpindleAntenna OhmsTo Main PWB-A1 To Main To VideoPink Video PWB-D TOP View Video PWB-D Bottom ViewIC14V IC16VWaveforms of CD Circuit Troubleshooting When the CD does not functionParts Code UDSKA0004AFZZ HF Error FailureSled Motor Operating FailureLaser failure Focus failureFocus servo sawtooth wave failure Spindle motor clv servo failureDMO HF error No soundTEI Tezi RFITrack search failure Sled motor operation failureSled servo failure IC401 VHiLC75342M-1 Function/Volume Equalizer LC75342M Function Table of ICPin No Port Name Function Test VSS Pin No Terminal Name Input/Output Function IC701 RH-iX0038SJZZ System Microcomputer/FL driver IX0038SJ SEG25-SEG0IC801 VHiTA2109F/-1Servo Pre Amp. TA2109F IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 1/3 Uhso HSOPin 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 TC9462FCH1-OUT-A CH1-OUT-BCH1-IN-A CH1-IN-BIC14V 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 IX0025SJIC15V VHiES3880F/-1 Video CD Decoder ES3880F ES3880F Aclk AOUT/SELPLL0 AtclkLCD701 RV-LX0012SJZZ LCD Display MemoryFor U.S.A. only IC10V RH-IX0041SJZZ IC11V VHINJM4565M-1IC14V IC15VVCKYPA1HB102K VCKYPA1HF223ZRC-GZA227AF1C RC-GZW228AF1VRC-EZD107AF1A VCKYCY1EB104KRC-GZA227AF1A VCKYCY1EB563KR358VRS-CY1JB822J R359VRS-CY1JB182J R360VRS-CY1JB472J R393VRS-CY1JB102J R395VRD-ST2CD473JR607VRS-CY1JB682J R621VRS-CY1JB223JQCNCM998DAFZZ QCNCM037ESJZZCNP801V QCNCW010MSJZZ QCNCW007RSJZZLX-WZ9006SJZZ CPNLS1006SJ01TSPC-0221SJZZ HSY042SPK07302 PWB-A6 PWB-A5PWB-A7 PWB-A3 PWB-A8Copyright 2001 by Sharp Corporation