Sharp XL-3000V service manual Terminal PWB-A4, Video PWB-D, Tuner PWB-A2 CNS7 From, Display PW

Page 26

XL-3000V

A

B

C

D

E

F

G

H

FROM

P35 12-A,B

P31 12-E

TO

P33 12-

TERMINAL PWB-A4

VIDEO PWB-D

CNS802

CNS307

TUNER PWB-A2

CNS7

FROM

1

2

3

4

5

6

7

8

11 10

9

8

7

6

5

4

3

2

1

1

2

3

4

5

6

C851

L802 CNP805

CNP802A

CNP307

1

100/10

0.82∝H

3

MAIN PWB-A1(2/2)

VDAC

GNDVA

L-CH GNDAA

R-CH

+5V

GNDD

+8V

SD FMST DO

CL

CE DI

A12V

GNDD

TUNL

TUNR

GNDA

DO

STEREO

SD

CL

CE

DI CD+B

J801

2

C852

P28 1-G

2

CNS805

DIGITAL OUT

3

1

C853

0.0022

0.0047

CFW852

TO CHASSIS

GND

CNP810

LUG(205)

M

1

1

M802

2

2

FAN

MOTOR

CNP807

FROM

MAIN PWB-A1(2/2)

1

CNS807

2

SO401

P28 1-A

VIDEO

L402

CNP608

CNS608

CNW608

OUT

0.82∝H

1

1

1

2

2

2

R-CH

R405

27K

R407 2.2K

330P

L401

CNW607

1K

C411

CNP607

R402

VIDEO/

2.2∝H

1

1

1

AUX IN

C412

R408

2.2K

2

2

2

330P

3

3

3

R406

R401

L-CH

CNS607

+B

27K

1N4148

1N4148

C413

1K

D411

D412

C414

0.0047

220P

CFW452

CFW451

CHASSIS

TO CHASSIS

GND

GND

LUG(205)

+B

Q610

19V

CNW601

CNP601

2SD2012 Y

Q607

7V

1

1

2SD2012 Y

7.8V

2

2

19V

3

3

+B

7V

1

1

7.8V

2

2

3

3

CNW602

CNP602

IC682

D654

D653

C651

0.1

1N5402M

1N5402M

KIA7805API

+B

VOLTAGE

230~240V

F651

REGULATOR

220V

+B

T3.15A L 250V

5V

127V

D651

1N5402M

D652

1

3

0V

1

1

C654

0.1

1N5402M

C125

2200/35

680(3W)

C601 0.047

C602

47/16

110V

7.8V

CNP801

F652

2

T3.15A L 250V

R125

0V

TF

2

2

+

3

3

4

4

5

5

–B1

–B

T651

F653

T1.6A L 250V

D657

C126

R126

POWER

1N4004

D658

2200/35

680(3W)

Q904

TRANSFORMER(MAIN)

C658

D901

0.1

KTC3200 GR

C657

0.1

1N4004

D902

1N4004 1N4004

38.9V

24.4V

C660

C659

R614

R610

R910 2.7K

0.1

D659

0.1

47

47

R911

24.9V C904 10/50

1N4004

C902

100

D660

1N4004

C901

220/50

C903

1

3

5

7

9

220/50

10/50

ZD901

A3

1

3

5

7

9

7.7V

DZ24BSD

CNP651

9.3V

DISPLAYPWB-

+B2

+B

+B

20V

Q606

KTC3200GR

+B

FROM

5R6VUSWD

5.7V

MTZJ16C

2.7K

D604 1N4148

D686

IC681

1N4004

R612

KIA7805API

1N40041N4004

P321-E,F

CNS707

CNP707

C689 0.47/50

Q681

GRKTC3199

0.11V

+BGND

820

9.4V

R621 22K

C627 0.022 C628 10/16

D606 D605

C665

D688

1N4004

C688

.0470

9.2V

Q609

VOLTAGE

D689

D685

KRC107 M

1

4

REGULATOR

ZD684

R687

1N4004

1N4004

4.8V

2 3

29.4V

3

0.047

0.6V

ZD683 MTZJ16C

C630

3

0V

3

1

R611

R613

2

9.2V

4700/25

0V

1

Q608

100

4.7K

D_GND

2

KRA102 M

1

0.7V

ZD602

C629

C626

R688

4.7/25

MTZJ9.1C

100/25

1K

0V

Q683

RLY601

C624

R689

+B

1K

KTC3199 GR

20V

11.7V

0.022

P_CONT

0.72V

Q605

R685

2SD2012 Y

R623

0V

12.2V

10K

R686

R619

CNP653

22K

C625

2

47K

47

1

10/16

Q604

CNW653 2

1

20V

2SD2012 Y

+B

11.7V

110V

127V

220V

230~240V

+B

12.3V

R620

47

R624

C622

Q903

20V

F654

D682

D681

D602

T.F 2A,250V

1N4004

1N4004

1N4148

R629 820

R628

13V

Q603

22K

11.2V

4.9V

+B

D603

KTC3200 GR

KTC3199 GR

C683

100

1N4148

R913

2200/35

D683

D684

10

5.6V

C905

100/10

+B

1N4004

1N4004

470/25

R617

C906 100/10

TRANSFORMER

VOLTAGE

C620

DZ130BSA

T681

SW651

33K

R912

POWER

ZD601

470

POWER PWB-B

(SUB)

SELECTOR

C621

ZD902

SO655

CNP652

AC INPUT SOCKET

100/25

DZ5.6BSB

1

2

AC 110/127/220/

P32 1-F

230~240V, 50/60Hz

AC 110/127/220/

FROM

230~240V, 50/60Hz

CNS652

AC POWER SUPPLY CORD

DISPLAY PW

• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.

1

2

3

4

5

6

Figure 26 SCHEMATIC DIAGRAM (1/10)

– 26 –

Image 26

Contents Contents Model XL-3000VAC Power Cord and Plug Adaptor Voltage SelectionSpecifications Display Names of PartsFront panel 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 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 FigFM Detection AdjustmentSetting the Test Mode FM Mute LevelTest Video CD IC15VBEX Video PWB-DChecking the black-and-white level Disc Checking SettingChecking of vector scope waveform 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 Volume UP ON-OFF FF/PRESET UP ON-OFFCD PLAY/PAUSE/TUNING UP ON-OFF Volume Down ON-OFFFOCUS/TRACKING Switch PWBCD Motor PWB SPIN/SLED DriverMain PWB Power PWB-BRminal PWBDisplay PWB Lamp PWB Tuner PWB Video CD Decoder IC10VIC15V IC16VVideo CD Encoder IC11VBuffer AMP Video PWB-D Terminal PWB-A4From Tuner PWB-A2 CNS7 FromFM Signal Video SignalCD Signal VolumeSERVO/SIGNAL Control CD Motor PWB-C CD LID Motor DriverSchematic Diagram 5/10 Main PWB-A11/2 AM Signal FM SignalTuner PWB-A2 CNP307System Display PWB-A3Lamp PWB-A7 Schematic Diagram 8/10 ROM 256Kx16 Video PWB-DIC10V Video CD DecoderXL-3000V Video SignalCD Signal Buffer AMPTo 15 are waveform numbers shown From Display MERAssis PWB-A3 SpindleTo Main PWB-A1 AntennaOhms Pink To MainTo Video IC14V Video PWB-D TOP ViewVideo PWB-D Bottom View IC16VWaveforms of CD Circuit Parts Code UDSKA0004AFZZ TroubleshootingWhen the CD does not function Sled Motor HF ErrorFailure Operating FailureLaser failure Focus failureDMO Focus servo sawtooth wave failureSpindle motor clv servo failure TEI Tezi HF errorNo sound 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 IC701 RH-iX0038SJZZ System Microcomputer/FL driver IX0038SJ SEG25-SEG0IC801 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 3/3 IC802 VHiTC9462F/-1 Servo/Signal Control TC9462FCH1-IN-A CH1-OUT-ACH1-OUT-B 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 IC14V IC10V RH-IX0041SJZZIC11V VHINJM4565M-1 IC15VRC-GZA227AF1C VCKYPA1HB102KVCKYPA1HF223Z RC-GZW228AF1VRC-GZA227AF1A RC-EZD107AF1AVCKYCY1EB104K VCKYCY1EB563KR607VRS-CY1JB682J R358VRS-CY1JB822J R359VRS-CY1JB182J R360VRS-CY1JB472JR393VRS-CY1JB102J R395VRD-ST2CD473J R621VRS-CY1JB223JCNP801V QCNCW010MSJZZ QCNCM998DAFZZQCNCM037ESJZZ QCNCW007RSJZZTSPC-0221SJZZ LX-WZ9006SJZZCPNLS1006SJ01 HSY042SPK07302 PWB-A7 PWB-A3 PWB-A6PWB-A5 PWB-A8Copyright 2001 by Sharp Corporation