Sharp XL-3000V service manual Rminal, Power PWB-B, Main PWB, Pwb

Page 21

XL-3000V

TO

FROM

TUNER PWB

DISPLAY PWB

1 10

9

8

7

6

5

4

3

2

1

1

2

3

4

5

6

7

8

9

10 11 12 13

L-CH IN

IC201 KIA4558P

CONTROLSURROUND

STFM DO

CL

CE

DI 12VA

+B6

LTUN

RTUN

GNDA

DO

STEREO

SD

CL CE

DI

+BCD +B3 MUTEP

STBP

24VA GNDD

+B8

CNP703

GND

5V

R-CH IN

SURROUND

R-CH OUT

D_

+B6

ON/OFF

5

6

7

8

A_12V

SURROUND

Q203

Q201

4

3

2

1

L-CH OUT

R-CH OUT

AUX R

TUN R

CD R

CE

DI

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

VSS

LOGIC

NC

VDD

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

CD L

CL

TUN L

AUX L

IC401

TERMINAL

LC75342M

L-CH OUT

+B6 A_12V

FUNCTION/VOLUME

SO601 SPEAKER

EQUALIZER

MUTE

IC601

+

L-CH

+B7

STK40202

Q601

POWER AMP.

RMINAL

Q602

IN1

IN2

PRE +VCC

+VCC

–VCC

PRE –VCC

+VE1

–VE1

+VE2

–VE2

GND

+

R-CH

PWB

L-CH

1

15 R-CH

4

8

9

12

6

7

10 11

13

J601

L-CH

R-CH

HEADPHONES

3

+B

–B

2

1

4

Q102

Q103

5

9

10

Q101

+B1

F651

Q104

IC682

D651~D654

T3.15A L 250V

3

KIA7805API

1

VOLTAGE

REGULATOR

VOLTAGE

24VA

–B

F653

CNP801

REGULATOR

F652

2

T3.15A L 250V

A_GND

1

1

2

2

T1.6A L 250V

3

3

P UNIT

Q904

4

4

T651

D_GND

5

5

TF

TRANSFORMER

1

3

5

7

9

POWER

(MAIN)

1

3

5

7

9

IL

IC681

CNP651

D657~D660

5R6V

Q610

KIA7805API

OIL

_

VOLTAGE

FROM PWBDISPLAY

USWD

VOLTAGE

Q606

4

REGULATOR

REGULATOR

Q608

VOLTAGE REGULATOR

3

CNP707

D688

1N4004

1

Q681

3

Q607

2

D_GND

2

VOLTAGE

1

REGULATOR

P_CONT

Q683

+B5

CD_6R2V

N

CD +B

230~240V

Q609

RLY601

+B3

110V

127V

220V

D681~D684

DISPLAYPWB

+B4

M_12V

Q605

F654

T.F 2A,250V

FROM

1

CNP652

POWER PWB-B

(SUB)

AC INPUT

2

5V

+B8

Q903

VOLTAGE

T681

SW651

POWER

VOLTAGE

REGULATOR

TRANSFORMER

SO655

SELECTOR

+B6

A_12V

Q603

SOCKET

Q604

AC 110/127/220/

230~240V, 50/60Hz

MAIN PWB

AC 110/127/220/			AC POWER SUPPLY CORD
230~240V, 50/60Hz

Figure 21 BLOCK DIAGRAM (2/6)

– 21 –

Image 21

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 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 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 IC16VIC11V Buffer AMPVideo CD Encoder 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 CNP307Display PWB-A3 Lamp PWB-A7System 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 SpindleAntenna OhmsTo Main PWB-A1 To Main To VideoPink Video PWB-D Bottom View Video PWB-D TOP ViewIC14V IC16VWaveforms of CD Circuit Troubleshooting When the CD does not functionParts Code UDSKA0004AFZZ Failure HF ErrorSled Motor Operating FailureFocus failure Laser failureFocus servo sawtooth wave failure Spindle motor clv servo failureDMO No sound HF errorTEI 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 SEG25-SEG0 IC701 RH-iX0038SJZZ System Microcomputer/FL driver IX0038SJIC801 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 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