Sharp XL-3000V service manual Tuner PWB

Page 23

XL-3000V

TUNER PWB

 

 

22

OSC

IN

AFC

AM

 

FM

 

 

REG

 

 

3

AM IF

T351

+5V

PLL(TUNER)

1

 

22

 

OUTX

 

X IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCHING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q351

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X351

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

456kHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

20

IFAM IN

19

18

 

STEREO

 

DETFM

17

16

15

14

13

IC303

LA1832S

IFFMDET./

MPX./AMFM IF

 

 

 

 

 

 

AM RF IN

VSM

GNDAM LOW CUT

SD

 

MPXVCO VCC

MPX IN OUTIF

PHASER-CH OUT

L-CH OUT

PHASE (AM/FM)

 

 

 

 

 

 

 

 

 

 

 

FM/AM

OUT

 

 

 

 

 

 

 

 

 

MO/ST

 

 

 

 

 

 

 

 

 

 

 

 

 

4

5

6

 

7

8

 

9

 

10

11

 

12

 

 

 

 

 

 

 

 

 

 

 

AM IF

 

 

 

 

 

 

 

CF351

+5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CF352

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SD

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FM ST

 

 

 

 

 

 

 

 

 

+5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZD351

 

DO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REGULATOR

CL

 

 

21 20

 

 

19

 

18

 

17 16

15

14

13

12

 

 

 

 

 

 

+5V

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PWBMAIN

VSS

AOUT

CE

DI

CL

DO

PD

FM

VDD

MUTE

FM

MO/ST

 

REQIF

 

 

 

 

 

 

 

 

 

TO

 

 

 

 

AIN

 

 

 

 

FMIN

AMIN

 

 

IFIN

 

 

 

 

 

 

 

 

 

DI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CE

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+B

A_12V

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FM +B

Q360

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D_GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

3

4

5

6

 

7

 

8

9

10

 

11

 

 

 

 

 

 

 

 

 

TUN_L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TUN_R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A_GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CNS307

 

 

 

LCD701

CD DISPLAY

5 38

0

67

CNW702

CNS702

SEG33

CLID_DW

57

CLID_UP

56

 

CLID_PRO

20

CLID_DW CLID_UP CLID_PRO CLID_SW

1

2

3

10

9

8

FAN

4

7

FAN

55

CD_STB

60

AMP_DEC

52

CD_STB AMP_DEC

5

6

7

6

TO

5

 

4

 

C701

LIGHT 53

LIGHT

8

3

0038SJ

DIMMER 54

DIMMER FAN_DEC

9

2

MOT_DEC 21

CROCOMPUTER/

DRIVER

10

1

1

VD_DI

29

VD_DO

28

ACK

30

BUSY

31

CLID_OUT

35

VD_DI

VD_DO

ACK

BUSY CLID_OUT

1

2

3

4

5

2

 

3

TO

4

5

 

6

 

 

 

 

 

SURR

P–STB

P–MUTE

CD+B

STEREO

 

STB

40

DI

DO

CL

CE

SD

B-LIGHT

51

 

 

25

26

27

34

43

44

45

46 49 50

 

 

GND

6

STB

7

CNW704

7

CNS704

CNS703

SD

STEREO

DO

CL

CE

DI

CD+B

P_MUTE

1

2

3

4

5

6

7

8

1

 

2

 

3

 

4

 

5

TO

6

 

7

8

VIDEO PWB MAIN PWB

MAIN PWB

P_STB

9

9

A_24V

A_24V

D_GND

10

11

10

11

5V

SURROUND 12

5V

13

CNW703A

12

13

Figure 23 BLOCK DIAGRAM (4/6)

– 23 –

Page 22 Page 24
Image 23
Page 22 Page 24
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 levelDetails 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 Down ON-OFF FF/PRESET UP ON-OFFCD PLAY/PAUSE/TUNING UP ON-OFF Volume UP ON-OFF SPIN/SLED Driver Switch PWB CD Motor PWB FOCUS/TRACKINGPWB Power PWB-BRminal Main PWBLamp PWB Display PWBTuner PWB IC16V IC10VIC15V Video CD DecoderVideo CD Encoder IC11VBuffer AMP 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-A11/2System Display PWB-A3Lamp PWB-A7 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 DisplayTo Main PWB-A1 AntennaOhms Pink To MainTo Video IC16V Video PWB-D TOP ViewVideo PWB-D Bottom View IC14VWaveforms of CD Circuit Parts Code UDSKA0004AFZZ TroubleshootingWhen the CD does not function Operating Failure HF ErrorFailure Sled MotorFocus failure Laser failureDMO Focus servo sawtooth wave failureSpindle motor clv servo failure RFI HF errorNo sound TEI TeziSled 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-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
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