Sharp XL-3000V service manual CD Motor PWB-C, CD LID Motor Driver

Page 29

XL-3000V

10.7V

Q902

MAIN PWB-A1(2/2)

11.4V

LED PWB-A6

Q901

KTA1266 GR

R902

KRC102 M

11.4V

47K

3

2

CNS701

CNW701

R914

0V R901

4.1V

0V 1

1

1

1

470

2.2K

D801

2

2

2

IC805

AUY3333

11.6V

0.57V

11.6V

CNP701

6.1V

4.6V

4.8V

0V

0V

TA7291S

2

3

4

5

6

7

8

9

CD LID

MOTOR DRIVER

11.4V

SWITCH PWB-A5

3.3K

C871 47/16

10.6V

CNP806

CNS806

CD LID

R873

SW802

0V

R905

Q907

1

1

1

OPEN/CLOSE

1

47K

10.7V

0V

KTA1266 GR

R879

3

2

2

2

3.3K

4.4V

2

R904

3

3

3

R874

Q908

Q802

2.2K

CNW806

2.2K

KRC102 M

KRC102 M

3

2

R877

R876

0V

4.5V

68K

150K

0V

1

C872

CNP804

CNS804

CNW804

2

2

M

0.1

1

1

+B

+B

+B

M801

CD LID

OPEN/CLOSE

MOTOR

5V

1

G,H-12P27

TO A1(1/2)-PWBMAIN

A_GND

2

M_GND

3

C870

M_12V

Q861

4

0.001

D_GND

+B

2SB562 C

5

+B

+B

+B

CD_6R2V

5V

7.1V

6

L803

10∝H

6.4V

R862

2.2K

R861

2.2K

+B

6.4V

2.1V

2.3V

4.4V

1.9V

L801 10

C858 0.01

C857 47/16

IC804 MM1469XH FOCUS/TRACKING/ SPIN/SLEDDRIVER

6.5V

0V

3.2V

3.1V

2.1V

2.1V

0V

4.8V

5V

0.1

C859 470/10

R843

SL–

CNW803

3

3

3

CNP803

SL–

–

M MOTORSLED

0.8V

1V

3.2V

3.2V

2.1V

2.1V

7.0V

7.0V

2.1V

2.1V

2.1V

3.2V

3.2V

H∝

14 13 12 11 10

9

8

7

6

5

4

3

2

1

1K

CD MOTOR PWB-C

OPO

GND

- VO2

VO2+

VIN2

VG2

GND

MUTE

O REG

TRB

VG1

VIN1

VO1+

- VO1

C860

+

M

NM802

PO1-

PO1+

VO3-

VO3+

VIN3

VG3

VCC

VCC

BIAS

VG4

VIN4

VO4+

VO4-

GND

SP+

CNS803

6

SP+

–

MOTORSPINDLE

15 16 17 18 19 20 21 22 23 24 25 26 27 28

0V

6

6

SP–

SP–

5

5

5

3

SL+

SP+

+

NM801

4

4

4

+B

PU-IN

2

2

2

PU-IN

GND

GND

1

1

1

R863

2

NSW801

2.2K

PICKUP IN

C844

0.0068

+B

PICKUP UNIT(308)

811

CNP802

7/10

CNW3

FO-

FO-

FO–

16

16

R823

TR+

TR+

TR+

TR-

15

15

TR–

1K

R824

TR-

14

14

47K

FO+

FO+

C842

13

13

13 2.1V

2.2V

12

R825

47/10

PD

12

12

PD

PO+

14 2.2V

2.1V 11

R821

C845

82K

C841 100/10

VR

VR

100/10

16

2.1V

2.1V

9

33

150

GND

10

10

GND

ACTUATOR

15

2.1V

4.3V

10

R822

LD

11

11

LD

C846

17 2.1V

10

2.5V

8

4.1V

R80B

F

9

9

F

0.1

18 2.1V

3.4V

7

3.4V

Q801

8

8

9

68K

C

C

KTA1266 GR

7

7

19 2.1V

0V

6

B

B

C847

20 2.1V

2.1V

5

2V

6

6

A

A

R826

0.1

21 2.1V

2.1V 4

5

5

C813 100/10

C848

8

C

C

C812 0.01

1/2VCC

R828

23

0V

2.1V

2

+5V

+5V

39P

2.7K

22 1.7V

2.1V

3

E

4

4

E

3

3

+B

1.2K

24 2.1V

5V

1

R80E

2

2

+

R829

R827

C839

C843

82K

1

1

1/2V

F

-

68K

39K

2P

0.1

R80A

+

C863

IC801

R80C 82K

B

-

82K

+-

470P

C849

C855

TA2109F

R80F

A

0.056

100/10

SERVO PRE AMP.

+

82K

C850

220/10

68K

-

VREF

E

-

R80G

+

C

+B

+B

GND

MON

VCC

LD

7

8

9

10

11

12

Figure 29 SCHEMATIC DIAGRAM (4/10)

– 29 –

Image 29

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