F601, Fuse Thermal sw. Interlock sw, IC801 | Sanyo PLC-XU45 instruction

Troubleshooting

Power supply drive and protection diagrams and locations

SW902

F601

SW904

IC2881

IC4881

AC IN

FN901




FN902	FN903		FN904

F601	SW902	SW904	P.F BOARD		LAMP BALLAST UNIT	LAMP Ass'y
					LAMP BALLAST UNIT		IC4881
							IC4881
Fuse	Thermal sw. Interlock sw.		1	1			TEMP. SENS.
			K6D		CB1	3	1
			K6D		CB1
			3	3		5	2
			TSW611		CB2		K48E
			TSW611		CB2

IC611	1	4	3
P.F.CONTROL	2	1	5	TEMP. SENSOR
				BOARD

			K6E						FN905
		1		4		7			FN906
		1		4		7			FN906

			1	4	K8B
1	4	7	1	4	3	2	3	5
1	4	7			1	2	3	5
		K6F	2	1	K8H 5	K8N		K8E
			37-38			K8P

Fan Control

SDA

SCL

K6S

K8S

IC681

1

15.5V

LAMP_ERR

Failure: High

K6J

Power

2

6V

SW1

IC2881

Oscillator

TEMP.SENSOR

IC671

Circuit

BSTLAMP_

1

K6K

1

K6M

-6V

2

2

K6L

Failure: Low

Failure: Low

47

80 81

P-FAIL

13-14

P-FAIL

48

IC1871

BUFFER

Q661

On: High

18

2

On: High

82

15.5V

9-10

LAMP_BST_SW1

K6S

K8S

IC1881

IC1851

D/A

IC801

BUFFER

SCL

80

SUB CPU

ECO_SW1

14

6

12

2

SDA

3

81

LAMP

LAMP_SW1

12

8

3

On: Low

9

39

On: High

BALAST_AC1

11

On: High

5V_SW

On: High

15-16

5V_SW

3

17

On: High

1

FAN DRIVE1

11-12

FAN DRIVE1

5

15

41

POWER BOARD

MAIN BOARD

-36-

Image 36

Sanyo PLC-XU45 service manual F601, Fuse Thermal sw. Interlock sw, IC801

Contents

PLC-XU46 PLC-XU46 PLC-XU45 Contents Safety Instructions Do not Attempt to Servicing Remote Control Unit Specifications Adjustments after Parts Replacement Optical Adjustments Electrical Adjustments Circuit Protections Type T4.0AH 250V Fuse Little Fuse INC. Type Possible causes Recommendation Mechanical Disassemblies Cabinet Top and Control Panel removalMain Board removal AV, DVI, Temp Board and Speaker removal Front Panel and R/C Board removalTemp board DVI board Lamp Ballast Unit removal Filter Board removalIsolation sheet Lamp ballast board SW902 Filter board Power Box Cover and FansFN901, FN906 removal Optical Unit removal Power and P.F. Board removal ⁄0Fan FN905 removal ⁄1Fans FN902, FN903, FN904 removal Integrator Lens-In disassembly Optical Parts DisassembliesProjection Lens removal Condenser lens disassembly Condenser Lens-Out disassembly Relay Lens-Out disassembly Polarized Glass-In removalHolder Polarized Glass-Out/Pre-Polarized Glass removal Optical Unit Top removalLCD Panel Prism Ass’y Locations and Directions Key No. Description LCD Panel/Prism Ass’y Replacement LCD Panel/Prism Ass’y removalColor Shading Correction Lamp Replacement How to reset Lamp Replace CounterHow to check Lamp Replace Counter Optical Adjustments Contrast adjustmentB-CONTRAST Adjustment Condenser Lens adjustment Green b Slot B Moving of slot B Slot D Moving of Slot D Condenser Lens-Out adjustment Cyan a Slot B Moving of slot B Moving of slot D Relay lens-Out adjustment White a Slot B a Moving of slot BSlot D Moving of slot D Electrical Adjustments IC1801 is not defective Output Voltage adjustment For PLC-XU45 Output Voltage adjustment For PLC-XU46Fan Voltage adjustment For PLC-XU45 Fan Voltage adjustment For PLC-XU46 X12 Pedestal adjustment C12 NRS adjustmentV12 Signal Center adjustment Black Level adjustment PC Offset adjustment M12 PC Gain adjustmentAV Gain adjustment Common Center adjustment ⁄01 Gamma Shift adjustment ⁄11 White Balance adjustmentAdjustment TB1274 CXA2101 TA1318 LP05 Turbo Group 10 Option Fan ControlGroup 500 ADC Group 510 Ntsc Gakaku Group 513 Hdtv 1080i-50 Gakaku Group 514 Hdtv 1035i GakakuGroup 515 Hdtv 720p Gakaku Group 516 Hdtv 575p Gakaku Test Points and Locations Main Board Troubleshooting Abnormality occurs on the power circuit F601 Fuse Thermal sw. Interlock swIC801 No picture from Video source No picture from DVI sourceNo picture from both of Video and Computer sources No picture from all of sources Video 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 circuit Control Port Functions System Control & I/O Port Table IC801 Control Port Functions IIC Bus I/O Expander IC1851 Port Functions IIC Bus I/O Expander IC2181 Port FunctionsIIC Bus DA Converter IC1831 Port Functions IIC Bus DA Converter IC2161 Port Functions IIC Bus DA Converter IC1581 Port FunctionsIIC Bus DA Converter IC2571 Port Functions Waveform VIDEO-INDrive TP52R/TP201R Drive TP52G/TP201G Drive TP52B/TP201G Sync OUT IC4101-29 Sync OUT IC4101-28 Sync in TP205Sync Drive TP62H Sync Drive TP62V DHS Tpdhs DVS Tpdvs Ballast SW TP28L Cleaning Cleaning with air spray IC 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 list OUT of Circuit Board Assemblied Boards ME3-XU4500, PLC-XU45 KEY SW Board610 292 5609 ASSY,PWB,KEY SW MS6A Assemblied Boards MF3-XU4600, PLC-XU46 AV Board 610 299 7330 ASSY,PWB,AV MK8ATransistor Integrated Circuit NP-ELECT DVI Board 610 299 7347 ASSY,PWB,DVI MK8ACoil Power Board 610 301 0939 ASSY,PWB,POWER MK8A610 305 8641 ASSY,PWB,POWER MF3A For ME3-XU4500, PLC-XU45 MT-POLYEST 0.047U K MF3-XU4600, PLC-XU46 Transformer Board 610 301 0946 ASSY,PWB,P.F. MK8A610 305 8658 ASSY,PWB,P.F. MF3A Main Board Line Filter 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 Temp Board 610 304 8932 ASSY,PWB,TEMP ME3ADiode Integrated Circuit Accessories Remote ControlAC Cord Mechanical Parts List Optical Parts 67 Red Green Blue Polarized glass Optical filterWV 52-a Model PLC-XU46 Model PLC-XU45 Mechanical Parts List Cabinet Parts Screws Optical PartsChassis Parts Page Diagrams & Drawings Schematic Diagrams Printed Wiring Board DrawingsPLC-XU45 PLC-XU46 Parts description and reading in schematic diagram Resistor Reading Circuit Block Diagram 5VS 3VS5VS 5VDVI 5VD 9V MCI Printed Wiring Board Diagrams AV Sidea DVI SideaDVI Sideb Main Sidea SideaTemp Sidea Main Sideb SidebTemp Sideb IC5211 Power Sidea Power Sideb K6SK6R IC671 KEY SW Sidea Line Filter SideaKEY SW Sideb K6B A10 Schematic Diagrams PLC-XU45,46 A11 Left Line Filter BaordIC681 FA7701V Schematic Diagrams PLC-XU45,46 A11 Right Ower Supply Schematic Diagrams PLC-XU45,46 A12 Left IC6171Audio Schematic Diagrams PLC-XU45,46 A12 Right TA1318AF Schematic Diagrams PLC-XU45,46 A13 Left Digital Schematic Diagrams PLC-XU45,46 A13 Right Matri Schematic Diagrams PLC-XU45,46 A14 Left CG1/CG2-SWAD8185ARU AD8183ARU Schematic Diagrams PLC-XU45,46 A14 Right 3VS C201 TE201E Schematic Diagrams PLC-XU45,46 A15 Left IC301IC8001 Schematic Diagrams PLC-XU45,46 A15 Right Digital Color Unformity Correction Timing ControlIC1341 Schematic Diagrams PLC-XU45,46 A16 Left 50-52Lamp Schematic Diagrams PLC-XU45,46 A16 Right SUBCPU Memory Schematic Diagrams PLC-XU45,46 A17 Left ColorUniformity & Gamma Correction Schematic Diagrams PLC-XU45,46 A17 Right LevelShift Schematic Diagrams PLC-XU45,46 A18 Left Schematic Diagrams PLC-XU45,46 A18 Right Pin description of diode, transistor and IC IC IC