Sanyo PLC-XU45 service manual Circuit Block Diagram

Page 91

■ Circuit Block Diagram

IN

PX+-, CLK, DATA

IC8001

10

D_BE0-7

D_GE0-7 D_RE0-7

IC1391

COMPUTER

77

80

D_B00-7

D_G00-7

D_R00-7

DIGITAL

DVI

R,G.B

DVI

GHS

SRAM

ANAOG

90

I/F

48

2

IC8081

16

TP25B1

H, V

64

BUFFER 18

GVS

D0-D15

TP25B2

IC5211

46

IC5241

A0-A19

IC1341

CG1/CG2-RGB-SW

AV/PC-RGB-SW

FLASH ROM

IC501

1

R

8

TP52R

R

TP201R

DBB0-9

S&H_B1

B-LCD

G

IC5271

133

34

3

20

10

20

7

B

IC401

PANEL

5

12

TP52G

G

TP201G

B

IC3501

IC5281

IC1401

18

R

18

TP52B

TP201B

15

GB00-7

DIGITAL

B_LEVEL

G

1

IC5291

B

IC201

GBE0-7

DB0-9

DIGITAL

DGB0-9

COLOR

IC1501

SHIFT

16

3

16

22

GG00-7

DGB0-9

A/D

GGE0-7

IC301

DG0-9

BRIGHTER

DGA0-9

UNIFORMITY

S&H_B2

B

5

DR0-9

DRA0-9

TP25G1

IC3011

TP205

GR00-7

SCAN

CONTROL

CORRECTION

MONITOR

22

22

IC6171

IC251

GRE0-7

TP25G2

RGB AMP

HAFC

CONVERTER

TIMING

SDA2_5

AFC

HSYNC

RGB

CG1/CG2-SW

17

13

40

SYSTEM

CONTROL

DRB0-9

IC531

SCL2_5

16

DET

IC5251

H

29

30

5,4

9,1

2,3

G

G-LCD

H-SYNC

PC/AV-SW

1 2

CONTROL

TPDHS

6,7 13

S&H_G1

IC6201

IC6241

AV/PC

IC6271

P-SDA2

119

IC3531

PANEL

IC6251

TPDVS

V-SYNC

SYNC-SW

BUFFER

323

120

SYNC-SW

SYNC DET.

INVERTER

TP62H

P-SCL2

244

121

G_LEVEL

H

H

DHS/DVS

IC1531

SHIFT

H

H

HS

3

9

2

13

1

12

1

15

2

3

34

IC3041

S&H_G2

22

INVERTER

V

V

2

TP62V

V

TPCLK

V

5

8

5

11

5

8

13

14

5

6

VS

133

240

TURBO_1

12

3

100 101

DCLK

TP3551

H

V

10 11

6

TP25R1

VIDEO_RGB

SCLK1

IC3551

TP25R2

SCL2_5

SDATA1

NRS

P-SDA2

S_SW TP11SC

SDA2_5

AV/PC

IROMURA_CS_1

IC561

IC6101

IC3101

P-SCL2

IC4881

TP11SY

AV_HSYNC

INVERTER HD_HSYNC

S&H_R1

R-LCD

43

13 14

BLANKING

TEMP

R

IC3561

S-VIDEO

AV_VSYNC

RGB

44

9

13

8

HD_VSYNC

55 56

39

1

SENSOR

PANEL

TP11PR

Cr

4

11

4

3

R

1

R_LEVEL

37

17

IC1101

1

R

13

IC3121

5,7,3

SHIFT

TP11PB

12

66

IC4101

35

15

2

IC1561

Cb

VIDEO

5

10

65

G

IC1871

22

18

29

RGB

G

4

IC2131

IC2881

BUFFER

S&H_R2

TP11CV

DECODER

HS_OUT

Cr

28

MATRIX

B

B

TEMP

15,13,17

19

21

VS_OUT

67

2

14

IC3141

3

22

SENSOR

TP3581

IN

Y/CV

5

7

23

Cb Y

69

5

IC1581

7

73

74

75

12

9,10

1

IC3581

VIDEO

Pr

IC2161

2

D/A

BLANK_SW

RGT

NRS

Pr/Cr

D/A

CENT

4

Cr_SW

DWN

Y

C

REF

5

Pb

CLMP

4,5,6

15

6

14

Pb/Cb

AV/PC

7

13

SCL2_5

SCL2_5

2

19

SYNC_SW

8

SDA2_5

SDA2_5

3

VIDEO/Y

Cb_SW

IC2101

Y

Y

8

2

9

BLKC_DC

9,18,19

Y/CV

DIGITAL

IC1831

IC2571

COMB

7

C

D/A

FILTER

IC2181

2

SCL1_5

D/A

NRS

IC5161

I/O

VCOM

C_SWIN

FAN_CONT

4,5

3

SDA1_5

SLK

5

C_SWIN

11

2

AUDIO MUTE

7

SDATA

2

7

3

3

IC5011

VOL_CONT

14

IROMURA_CS

12

S_SW

12

13

IC001

AUDIO-SW

Q5072

Q5071

MOUSE

16

IC1881

AUDIO

Q1818/Q1819

Q1816/Q1817

BUFFER

COMPUTER

PC_L/R

10

AV/PC

CONTROL

AUDIO

LAMP_SW1

Q2851

1

11

MUTE

LAMP

AUDIO IN

13

VOLUME

MUTE

13

IC1851

AUDIO IN

Q5031

4

7

15

2

IC1801

SCL3 SDA3

I/O

Q2865

14

Q5041

6

EEP-ROM

8

READY

VIDEO

AV_L/R

2

12

11

1

8

Q2861

AUDIO IN

12

5

SW

2

9

WARNING

Q011

IC1861

6

3

Q2856

LAMP REPLACE

80,81

79,78

96,97

29

LAMP

10

MONITOR

Q5051

1

12

35

30

ZOOM MOTOR

AUDIO OUT

Q5061

3

Q5081

IC801

91

IC5501

M

MUTE

4

29

4,5

1,7

Q5082

IC1811

RAM_A0-7

SUB

30

MONITOR DRIVE

SPEAKER

FOCUS MOTOR

SRAM

RAM_D0-7

28

CPU

IC3821

IC3841

IC5551

IC3801

33

M

MOUSE

MOUSE

IC9801

34

4,5 MONITOR DRIVE

1,7

RS232C

CONTROLLER

CONTROLLER

SRIAL

TXD

7

TXD

4

14

5

19

MOUSE

USB

PORT

10

I/F

RXD

R/C

13

12

7

12

18

CPU_TXD

USB_D+, D-

CPU_RXD

USB

BLK_ME3A

A3

Image 91

Contents PLC-XU46 PLC-XU45 PLC-XU46Contents Do not Attempt to Servicing Remote Control Unit Safety InstructionsSpecifications Optical Adjustments Electrical Adjustments Adjustments after Parts ReplacementType T4.0AH 250V Fuse Little Fuse INC. Type Circuit ProtectionsRecommendation Possible causesCabinet Top and Control Panel removal Mechanical DisassembliesMain Board removal DVI board AV, DVI, Temp Board and Speaker removalFront Panel and R/C Board removal Temp boardFilter board Lamp Ballast Unit removalFilter Board removal Isolation sheet Lamp ballast board SW902Optical Unit removal Power Box Cover and FansFN901, FN906 removalPower and P.F. Board removal ⁄1Fans FN902, FN903, FN904 removal ⁄0Fan FN905 removalOptical Parts Disassemblies Integrator Lens-In disassemblyProjection Lens removal Condenser Lens-Out disassembly Condenser lens disassemblyPolarized Glass-In removal Relay Lens-Out disassemblyHolder Prism Ass’y Polarized Glass-Out/Pre-Polarized Glass removalOptical Unit Top removal LCD PanelKey No. Description Locations and DirectionsLCD Panel/Prism Ass’y removal LCD Panel/Prism Ass’y ReplacementColor Shading Correction How to reset Lamp Replace Counter Lamp ReplacementHow to check Lamp Replace Counter Contrast adjustment Optical AdjustmentsB-CONTRAST Adjustment Green b Slot B Moving of slot B Slot D Moving of Slot D Condenser Lens adjustmentCyan a Slot B Moving of slot B Moving of slot D Condenser Lens-Out adjustmentWhite a Slot B a Moving of slot B Relay lens-Out adjustmentSlot D Moving of slot D IC1801 is not defective Electrical AdjustmentsFan Voltage adjustment For PLC-XU46 Output Voltage adjustment For PLC-XU45Output Voltage adjustment For PLC-XU46 Fan Voltage adjustment For PLC-XU45Black Level adjustment X12 Pedestal adjustmentC12 NRS adjustment V12 Signal Center adjustmentCommon Center adjustment PC Offset adjustmentM12 PC Gain adjustment AV Gain adjustment⁄11 White Balance adjustment ⁄01 Gamma Shift adjustmentAdjustment CXA2101 TB1274LP05 Turbo TA1318Group 510 Ntsc Gakaku Group 10 OptionFan Control Group 500 ADCGroup 516 Hdtv 575p Gakaku Group 513 Hdtv 1080i-50 GakakuGroup 514 Hdtv 1035i Gakaku Group 515 Hdtv 720p GakakuMain Board Test Points and LocationsAbnormality occurs on the power circuit TroubleshootingFuse Thermal sw. Interlock sw F601IC801 No picture from all of sources No picture from Video sourceNo picture from DVI source No picture from both of Video and Computer sourcesVideo Signal processing diagrams No power supply at audio circuit No audio signals at AV input circuitIncorrect operation of VIDEO/COMPUTER mode switching No audio output signal at speakerSystem Control & I/O Port Table IC801 Control Port FunctionsControl Port Functions IIC Bus I/O Expander IC2181 Port Functions IIC Bus I/O Expander IC1851 Port FunctionsIIC Bus DA Converter IC1831 Port Functions IIC Bus DA Converter IC1581 Port Functions IIC Bus DA Converter IC2161 Port FunctionsIIC Bus DA Converter IC2571 Port Functions VIDEO-IN WaveformDrive TP52R/TP201R Drive TP52G/TP201G Drive TP52B/TP201G Ballast SW TP28L Sync OUT IC4101-29 Sync OUT IC4101-28Sync in TP205 Sync Drive TP62H Sync Drive TP62V DHS Tpdhs DVS TpdvsCleaning with air spray CleaningIC Block Diagrams BA7078AF Selector, IC6241 CXA2101AQ RGB Matrix, IC4101 IC Block Diagrams L3E07050 Color, Gamma Correction & Timing Controller , IC401 ML60851 USB I/F, IC9801 M62393 D/A, IC2571 TB1274AF Video Decoder, IC1101 TA1318N AFC Detector, IC6171 IC Block Diagrams Page Read Description in the parts list Electrical Parts ListOUT of Circuit Board Assemblied Boards MF3-XU4600, PLC-XU46 Assemblied Boards ME3-XU4500, PLC-XU45KEY SW Board 610 292 5609 ASSY,PWB,KEY SW MS6AIntegrated Circuit AV Board610 299 7330 ASSY,PWB,AV MK8A TransistorNP-ELECT 610 299 7347 ASSY,PWB,DVI MK8A DVI BoardCoil For ME3-XU4500, PLC-XU45 Power Board610 301 0939 ASSY,PWB,POWER MK8A 610 305 8641 ASSY,PWB,POWER MF3AMT-POLYEST 0.047U K Transformer MF3-XU4600, PLC-XU46610 301 0946 ASSY,PWB,P.F. MK8A Board610 305 8658 ASSY,PWB,P.F. MF3A Line Filter Board Main Board610 301 0953 ASSY,PWB,LINE Filter MK8A 405 014 4608 2SC2412K T146 173 9803 2SC3928A1R 015 8704 IC MM1031XM SN74AHCT1G14DBVR C1539 403 164 0204 403 373 C5217 403 164 0204 Network RB413 645 037 0663 Network 22X4 0.063W R1132 R152 401 8104 R2546 401 105 7909 R336 401 7909 R433 401 105 3901 Fusible 610 304 8932 ASSY,PWB,TEMP ME3A Temp BoardDiode Integrated Circuit Remote Control AccessoriesAC Cord Mechanical Parts List Optical Parts 67 Red Green Blue Optical filterWV Polarized glassModel PLC-XU46 Model PLC-XU45 52-aMechanical Parts List Optical Parts Cabinet Parts ScrewsChassis Parts Page PLC-XU46 Diagrams & Drawings Schematic DiagramsPrinted Wiring Board Drawings PLC-XU45Resistor Reading Parts description and reading in schematic diagramCircuit Block Diagram 5VD 9V MCI 5VS3VS 5VS 5VDVIAV Sidea DVI Sidea Printed Wiring Board DiagramsDVI Sideb Sidea Main SideaTemp Sidea IC5211 Main SidebSideb Temp SidebIC671 Power Sidea Power SidebK6S K6RK6B KEY SW SideaLine Filter Sidea KEY SW SidebA10 FA7701V Schematic Diagrams PLC-XU45,46 A11 LeftLine Filter Baord IC681Ower Supply Schematic Diagrams PLC-XU45,46 A11 RightIC6171 Schematic Diagrams PLC-XU45,46 A12 LeftAudio TA1318AF Schematic Diagrams PLC-XU45,46 A12 RightDigital Schematic Diagrams PLC-XU45,46 A13 LeftMatri Schematic Diagrams PLC-XU45,46 A13 RightAD8183ARU Schematic Diagrams PLC-XU45,46 A14 LeftCG1/CG2-SW AD8185ARU3VS C201 TE201E Schematic Diagrams PLC-XU45,46 A14 RightIC301 Schematic Diagrams PLC-XU45,46 A15 LeftIC8001 Digital Color Unformity Correction Timing Control Schematic Diagrams PLC-XU45,46 A15 RightIC1341 50-52 Schematic Diagrams PLC-XU45,46 A16 LeftLamp Memory Schematic Diagrams PLC-XU45,46 A16 RightSUB CPUCorrection Schematic Diagrams PLC-XU45,46 A17 LeftColor Uniformity & GammaLevel Schematic Diagrams PLC-XU45,46 A17 RightShift Schematic Diagrams PLC-XU45,46 A18 Left Schematic Diagrams PLC-XU45,46 A18 Right IC IC Pin description of diode, transistor and IC