Sanyo PLC-XU45 service manual 3VS, 5VS 5VDVI, 5VD 9V MCI

Page 92

■Power Supply Lines

FN901 FN902 FN903 FN904

LINE FILTER BOARD

SW902

SW904

 

 

AC CORD

F601

 

L601

L602

THERMAL INTER LOCK

 

 

VA601

SW.

SW.

 

 

FUSE

D614

 

 

 

 

 

 

DB611 L611

K6E

 

 

 

 

 

 

 

 

 

 

 

K6B

K6C

 

 

 

 

 

 

 

 

Q611

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R613/

C617

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R614

 

 

LAMP BALLAST

 

P.F. BOARD

 

 

TSW611

 

BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC611

 

 

 

K6D

 

 

 

VR611

P.F.CONTROL

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

3

 

 

 

K8H (K8B)

 

 

2(1)

 

BALAST_AC1

 

 

 

 

1(4)

 

ECO_SW1

 

 

 

 

5(3)

 

LAMP_ERR

 

 

 

AV BOARD

 

 

 

K10U

K3U

 

 

5VS

1,2

5VS

 

 

 

5V AUDIO

5-6

5V AUDIO

 

 

 

K6J

K6K

K6N

K6L

 

 

 

 

T651

 

 

 

 

 

 

 

 

 

 

IC631

 

CONVERTER

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

 

 

 

D65B

 

 

 

 

 

 

SWITCHING

 

6

 

 

 

 

 

 

 

 

1,2

POWER SUPPLY

2

9

D651

9V REG.

 

 

 

D69B

D69C

 

 

 

 

15.5V

IC65A,

 

 

 

 

 

 

 

K6F

 

D632

 

 

 

 

 

9V MCI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

8

 

 

 

Q65A

 

 

 

 

 

 

 

 

 

3

11

 

 

Q65B

Q65C

 

 

Q69A

 

D69C

 

 

5

 

7

D652

 

 

D682

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12V REG.

 

 

 

 

 

 

 

 

 

7

5

8

6V

 

 

 

 

 

 

K6S

 

12

IC681,

 

12V

 

 

 

 

4,5

14

 

 

D653 -6V

Q681

 

 

 

 

36

35

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C642

4

10

 

Q682

Q66A

K6S

K8S

 

 

K8S

 

 

 

 

 

11,12

 

 

 

 

 

 

 

 

 

 

FAN_DRIVE1

 

FAN_DRIVE1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12V REG.

 

D678

 

 

 

 

 

6

 

 

 

 

 

 

 

 

37,38

12V

 

K8N

 

 

 

 

D654

 

 

 

 

 

 

 

 

 

 

Q671

Q672

12V1

 

 

D6602

 

FN905

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC671,

 

 

 

 

 

 

 

 

 

FEED BACK

 

PC641

IC651

 

 

 

 

29,39

9V MCI

 

K8P

 

Q641

 

 

 

 

D661

 

 

 

 

 

 

 

 

 

 

 

 

13,14

 

 

FN906

 

 

 

 

 

REG.

 

 

P-FAIL

 

P-FAIL

 

 

 

 

 

 

 

Q661

 

 

 

 

 

 

 

OVER VOLT._DET.

PC642

 

 

 

15.5V

 

25,26

D6601

 

 

 

 

 

 

Q662

 

6V AUDIO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q651

 

 

5V_SW

 

15,16

5V_SW

 

 

 

 

 

 

 

Q691

 

 

 

 

 

 

 

 

 

PC643

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6V AUDIO

K6R

K8R

15.5V

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L691

 

 

R6611

 

D6611

 

 

 

 

 

 

 

 

 

8

6V

5V

 

 

 

 

 

 

 

 

6V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L692

 

 

R6607

5VD

D6606

 

 

 

 

 

 

 

 

6VD

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L693

 

 

R6601

 

 

 

 

 

 

 

 

 

 

 

4

6VS

5VS

 

 

 

 

 

 

 

 

 

6VS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L694

 

2

-5VS

 

 

 

POWER BOARD

 

 

 

 

-5VS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

K6S 9,10

 

 

 

 

 

 

 

 

 

 

 

 

 

K8S

 

 

 

 

 

 

 

 

-5VS

7-8

-5VS

 

9V

15-18

9V

 

 

 

 

 

 

 

 

 

 

 

3.3V REG.

 

 

 

 

IC6651

 

3.3VS

K68A

K8A

 

 

2.5V REG.

 

3.3VS

 

3.3VS

 

 

1

IC6671

 

2.5VS

 

 

 

 

5VS

2

 

 

3.3V REG.

D6631

6VS

 

 

IC3361

 

3.3VAS

 

 

LAMP_BST_SW

D1889

D1891

IC1871

BUFFER

2

18

LAMP_BST_SW1

LAMP_SW

BALAST_AC

POWER

FAN DRIVE

IC1881

 

 

 

P-FAIL

BUFFER

 

 

 

 

 

 

 

 

 

 

8

12

 

LAMP_SW1

 

 

 

 

 

 

 

 

11

9

 

BALAST_AC1

 

 

 

 

 

 

 

 

17

3

 

5V_SW

 

 

 

 

 

 

 

 

15

5

 

FAN DRIVE1

 

 

 

6

14

 

 

 

 

 

ECO_SW1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.3V REG.

 

D6641

 

 

5VD

IC6641

3.3V

 

 

 

KEY SW BOARD

 

 

2.5V REG.

 

D6661

 

 

IC6661

2.5V

 

 

 

 

 

 

 

9V REG.

 

D6621

 

 

15.5V

IC6621

9V

 

 

 

 

 

 

Q3591

 

D3591

5VS

1

 

 

15VL

 

 

 

 

 

 

 

K28D

K8G

 

 

 

 

 

 

 

Q3592

3.3V

 

 

 

 

 

R/C BOARD

 

 

5V REG.

 

D1171

 

6V

IC1171

5V

 

 

 

 

 

(IC1101)

 

5VS

1

5VS

 

 

 

K8E

 

 

 

K48E

 

 

 

 

 

 

 

 

3

39

1

41

 

 

 

 

 

82

 

 

 

 

 

 

 

 

 

47

IC801

 

 

 

 

 

 

 

 

 

 

 

 

 

SW

 

 

 

 

SUB CPU

 

 

 

 

 

P-FAIL

 

48

 

 

 

 

 

ECO

 

 

 

 

 

 

 

 

 

 

 

 

80,81

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC1851

D/A

 

 

 

2

12

 

 

IIC

 

 

 

 

3

 

 

 

 

 

 

 

 

5VD

9V MCI

3.3VS

5VS

5VDVI

K3W K10W

21,22

25-28

31,32

35,36

39,40

5VD

9V MCI

3.3VS

5VS

5VDVI

5V REG.

IC7051 5VMCI

5V REG.

3.3V REG.

IC7061 IC7041 3.3MCI

TEMP BOARD

MAIN BOARD

DVI BOARD

A4

BLK_ME3A

Page 91 Page 93
Image 92
Page 91 Page 93
Contents PLC-XU46 PLC-XU46 PLC-XU45Contents Safety Instructions Do not Attempt to Servicing Remote Control UnitSpecifications Adjustments after Parts Replacement Optical Adjustments Electrical AdjustmentsCircuit Protections Type T4.0AH 250V Fuse Little Fuse INC. TypePossible causes RecommendationMain Board removal Mechanical DisassembliesCabinet Top and Control Panel removal AV, DVI, Temp Board and Speaker removal Front Panel and R/C Board removalTemp board DVI boardLamp Ballast Unit removal Filter Board removalIsolation sheet Lamp ballast board SW902 Filter boardPower Box Cover and FansFN901, FN906 removal Optical Unit removalPower and P.F. Board removal ⁄0Fan FN905 removal ⁄1Fans FN902, FN903, FN904 removalProjection Lens removal Integrator Lens-In disassemblyOptical Parts Disassemblies Condenser lens disassembly Condenser Lens-Out disassemblyHolder Relay Lens-Out disassemblyPolarized Glass-In removal Polarized Glass-Out/Pre-Polarized Glass removal Optical Unit Top removalLCD Panel Prism Ass’yLocations and Directions Key No. DescriptionColor Shading Correction LCD Panel/Prism Ass’y ReplacementLCD Panel/Prism Ass’y removal How to check Lamp Replace Counter Lamp ReplacementHow to reset Lamp Replace Counter B-CONTRAST Adjustment Optical AdjustmentsContrast adjustment Condenser Lens adjustment Green b Slot B Moving of slot B Slot D Moving of Slot DCondenser Lens-Out adjustment Cyan a Slot B Moving of slot B Moving of slot DSlot D Moving of slot D Relay lens-Out adjustmentWhite a Slot B a Moving of slot B Electrical Adjustments IC1801 is not defectiveOutput Voltage adjustment For PLC-XU45 Output Voltage adjustment For PLC-XU46Fan Voltage adjustment For PLC-XU45 Fan Voltage adjustment For PLC-XU46X12 Pedestal adjustment C12 NRS adjustmentV12 Signal Center adjustment Black Level adjustmentPC Offset adjustment M12 PC Gain adjustmentAV Gain adjustment Common Center adjustmentAdjustment ⁄01 Gamma Shift adjustment⁄11 White Balance adjustment TB1274 CXA2101TA1318 LP05 TurboGroup 10 Option Fan ControlGroup 500 ADC Group 510 Ntsc GakakuGroup 513 Hdtv 1080i-50 Gakaku Group 514 Hdtv 1035i GakakuGroup 515 Hdtv 720p Gakaku Group 516 Hdtv 575p GakakuTest Points and Locations Main BoardTroubleshooting Abnormality occurs on the power circuitIC801 F601Fuse Thermal sw. Interlock sw No picture from Video source No picture from DVI sourceNo picture from both of Video and Computer sources No picture from all of sourcesVideo Signal processing diagrams No audio signals at AV input circuit Incorrect operation of VIDEO/COMPUTER mode switchingNo audio output signal at speaker No power supply at audio circuitControl Port Functions System Control & I/O Port Table IC801Control Port Functions IIC Bus DA Converter IC1831 Port Functions IIC Bus I/O Expander IC1851 Port FunctionsIIC Bus I/O Expander IC2181 Port Functions IIC Bus DA Converter IC2571 Port Functions IIC Bus DA Converter IC2161 Port FunctionsIIC Bus DA Converter IC1581 Port Functions Drive TP52R/TP201R Drive TP52G/TP201G Drive TP52B/TP201G WaveformVIDEO-IN Sync OUT IC4101-29 Sync OUT IC4101-28 Sync in TP205Sync Drive TP62H Sync Drive TP62V DHS Tpdhs DVS Tpdvs Ballast SW TP28LCleaning Cleaning with air sprayIC 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 Electrical Parts List Read Description in the parts listOUT of Circuit Board Assemblied Boards ME3-XU4500, PLC-XU45 KEY SW Board610 292 5609 ASSY,PWB,KEY SW MS6A Assemblied Boards MF3-XU4600, PLC-XU46AV Board 610 299 7330 ASSY,PWB,AV MK8ATransistor Integrated CircuitNP-ELECT Coil DVI Board610 299 7347 ASSY,PWB,DVI MK8A Power Board 610 301 0939 ASSY,PWB,POWER MK8A610 305 8641 ASSY,PWB,POWER MF3A For ME3-XU4500, PLC-XU45MT-POLYEST 0.047U K MF3-XU4600, PLC-XU46 Transformer610 305 8658 ASSY,PWB,P.F. MF3A Board610 301 0946 ASSY,PWB,P.F. MK8A 610 301 0953 ASSY,PWB,LINE Filter MK8A Main BoardLine Filter Board 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 Diode Integrated Circuit Temp Board610 304 8932 ASSY,PWB,TEMP ME3A AC Cord AccessoriesRemote Control Mechanical Parts List Optical Parts 67 Red Green Blue Polarized glass Optical filterWV52-a Model PLC-XU46 Model PLC-XU45Mechanical Parts List Chassis Parts Cabinet Parts ScrewsOptical Parts Page Diagrams & Drawings Schematic Diagrams Printed Wiring Board DrawingsPLC-XU45 PLC-XU46Parts description and reading in schematic diagram Resistor ReadingCircuit Block Diagram 5VS 3VS5VS 5VDVI 5VD 9V MCIDVI Sideb Printed Wiring Board DiagramsAV Sidea DVI Sidea Temp Sidea Main SideaSidea Main Sideb SidebTemp Sideb IC5211Power Sidea Power Sideb K6SK6R IC671KEY SW Sidea Line Filter SideaKEY SW Sideb K6BA10 Schematic Diagrams PLC-XU45,46 A11 Left Line Filter BaordIC681 FA7701VSchematic Diagrams PLC-XU45,46 A11 Right Ower SupplyAudio Schematic Diagrams PLC-XU45,46 A12 LeftIC6171 Schematic Diagrams PLC-XU45,46 A12 Right TA1318AFSchematic Diagrams PLC-XU45,46 A13 Left DigitalSchematic Diagrams PLC-XU45,46 A13 Right MatriSchematic Diagrams PLC-XU45,46 A14 Left CG1/CG2-SWAD8185ARU AD8183ARUSchematic Diagrams PLC-XU45,46 A14 Right 3VS C201 TE201EIC8001 Schematic Diagrams PLC-XU45,46 A15 LeftIC301 IC1341 Schematic Diagrams PLC-XU45,46 A15 RightDigital Color Unformity Correction Timing Control Lamp Schematic Diagrams PLC-XU45,46 A16 Left50-52 Schematic Diagrams PLC-XU45,46 A16 Right SUBCPU MemorySchematic Diagrams PLC-XU45,46 A17 Left ColorUniformity & Gamma CorrectionShift Schematic Diagrams PLC-XU45,46 A17 RightLevel Schematic Diagrams PLC-XU45,46 A18 Left Schematic Diagrams PLC-XU45,46 A18 Right Pin description of diode, transistor and IC IC IC
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