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 removal
Main Board removal
AV, DVI, Temp Board and Speaker removal
Front Panel and R/C Board removal
Temp board
DVI board
Lamp Ballast Unit removal
Filter Board removal
Isolation 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 Disassemblies
Projection Lens removal
Condenser lens disassembly
Condenser Lens-Out disassembly
Relay Lens-Out disassembly
Polarized Glass-In removal
Holder
Polarized Glass-Out/Pre-Polarized Glass removal
Optical Unit Top removal
LCD Panel
Prism Ass’y
Locations and Directions
Key No. Description
LCD Panel/Prism Ass’y Replacement
LCD Panel/Prism Ass’y removal
Color Shading Correction
Lamp Replacement
How to reset Lamp Replace Counter
How to check Lamp Replace Counter
Optical Adjustments
Contrast adjustment
B-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 B
Slot D Moving of slot D
Electrical Adjustments
IC1801 is not defective
Output Voltage adjustment For PLC-XU45
Output Voltage adjustment For PLC-XU46
Fan Voltage adjustment For PLC-XU45
Fan Voltage adjustment For PLC-XU46
X12 Pedestal adjustment
C12 NRS adjustment
V12 Signal Center adjustment
Black Level adjustment
PC Offset adjustment
M12 PC Gain adjustment
AV Gain adjustment
Common Center adjustment
⁄01 Gamma Shift adjustment
⁄11 White Balance adjustment
Adjustment
TB1274
CXA2101
TA1318
LP05 Turbo
Group 10 Option
Fan Control
Group 500 ADC
Group 510 Ntsc Gakaku
Group 513 Hdtv 1080i-50 Gakaku
Group 514 Hdtv 1035i Gakaku
Group 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 sw
IC801
No picture from Video source
No picture from DVI source
No 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 switching
No 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 Functions
IIC Bus DA Converter IC1831 Port Functions
IIC Bus DA Converter IC2161 Port Functions
IIC Bus DA Converter IC1581 Port Functions
IIC Bus DA Converter IC2571 Port Functions
Waveform
VIDEO-IN
Drive TP52R/TP201R Drive TP52G/TP201G Drive TP52B/TP201G
Sync OUT IC4101-29 Sync OUT IC4101-28
Sync in TP205
Sync 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 Board
610 292 5609 ASSY,PWB,KEY SW MS6A
Assemblied Boards MF3-XU4600, PLC-XU46
AV Board
610 299 7330 ASSY,PWB,AV MK8A
Transistor
Integrated Circuit
NP-ELECT
DVI Board
610 299 7347 ASSY,PWB,DVI MK8A
Coil
Power Board
610 301 0939 ASSY,PWB,POWER MK8A
610 305 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. MK8A
610 305 8658 ASSY,PWB,P.F. MF3A
Main Board
Line Filter Board
610 301 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 ME3A
Diode Integrated Circuit
Accessories
Remote Control
AC 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 Parts
Chassis Parts
Page
Diagrams & Drawings Schematic Diagrams
Printed Wiring Board Drawings
PLC-XU45
PLC-XU46
Parts description and reading in schematic diagram
Resistor Reading
Circuit Block Diagram
5VS
3VS
5VS 5VDVI
5VD 9V MCI
Printed Wiring Board Diagrams
AV Sidea DVI Sidea
DVI Sideb
Main Sidea
Sidea
Temp Sidea
Main Sideb
Sideb
Temp Sideb
IC5211
Power Sidea Power Sideb
K6S
K6R
IC671
KEY SW Sidea
Line Filter Sidea
KEY SW Sideb
K6B
A10
Schematic Diagrams PLC-XU45,46 A11 Left
Line Filter Baord
IC681
FA7701V
Schematic Diagrams PLC-XU45,46 A11 Right
Ower Supply
Schematic Diagrams PLC-XU45,46 A12 Left
IC6171
Audio
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-SW
AD8185ARU
AD8183ARU
Schematic Diagrams PLC-XU45,46 A14 Right
3VS C201 TE201E
Schematic Diagrams PLC-XU45,46 A15 Left
IC301
IC8001
Schematic Diagrams PLC-XU45,46 A15 Right
Digital Color Unformity Correction Timing Control
IC1341
Schematic Diagrams PLC-XU45,46 A16 Left
50-52
Lamp
Schematic Diagrams PLC-XU45,46 A16 Right
SUB
CPU
Memory
Schematic Diagrams PLC-XU45,46 A17 Left
Color
Uniformity & Gamma
Correction
Schematic Diagrams PLC-XU45,46 A17 Right
Level
Shift
Schematic Diagrams PLC-XU45,46 A18 Left
Schematic Diagrams PLC-XU45,46 A18 Right
Pin description of diode, transistor and IC
IC IC