Sanyo PLC-XU101 Service Manual

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Contents
SERVICE MANUAL ....................................................... 1
Contents ........................................................................ 2
Safety Instructions ......................................................... 3
Safety Precautions ..................................................... 3
Product Safety Notice ................................................. 3
Service Personnel Warning ........................................ 3
Specifications ................................................................ 4
Circuit Protections ......................................................... 5
Thermal switch ........................................................... 5
Lamp cover switch ...................................................... 5
Fuse ............................................................................ 5
Warning temperature and power failure protection .... 6
Maintenance .................................................................. 7
Cleaning the Filter ...................................................... 7
Resetting the Filter Counter ........................................ 7
Lamp Replacement .................................................... 8
Resetting the Lamp Counter ....................................... 9
How to check Lamp Used Time .................................. 9
Cleaning ................................................................... 10
Security Function Notice .............................................. 11
Security Function Disable ......................................... 11
Mechanical Disassembly ............................................. 12
Optical Parts Disassembly ........................................... 16
Adjustments ................................................................. 22
Adjustments after Parts Replacement ...................... 22
Optical Adjustments ..................................................... 23
Contrast adjustment ................................................. 23
Integrator lens adjustment ........................................ 24
Relay lens-Out adjustment ....................................... 25
Electrical Adjustments ................................................. 26
Service Adjustment Menu Operation ........................ 26
Memory IC (IC1391) Replacement ........................... 26
Circuit Adjustments ................................................... 27
Test Points and Locations ........................................ 31
Service Adjustment Data Table ................................ 32
Chassis Block Diagrams .............................................. 45
Chassis over view ..................................................... 45
System control .......................................................... 46
Lamp control ............................................................. 47
Audio circuit .............................................................. 48
Power supply & protection circuit ............................. 49
Fan control circuit ..................................................... 50
IIC bus control circuit ................................................ 51
Troubleshooting ........................................................... 52
Indicators and Projector Condition ........................... 52
No Power .................................................................. 53
No Picture ................................................................. 54
No Sound .................................................................. 55
Control Port Functions ................................................. 56
Scaler I/O Port Functions (PW190) .......................... 56
IIC Bus D/A Converter Port Functions (M62334) .....
57
Waveform .................................................................... 58
IC Block Diagrams ....................................................... 59
Electrical Parts List ...................................................... 66
Electrical Parts Location ........................................... 67
Electrical Parts List ................................................... 68
Mechanical Parts List .................................................. 88
Cabinet Parts Location ............................................. 88
Optical Parts Location .............................................. 89
Mechanical Parts List ............................................... 93
Diagrams & Drawings ..................................................A1
Parts description and reading in schematic diagram ...A2
Schematic Diagrams ...................................................A3
Printed Wiring Board Diagrams ...................................A9
Pin description of diode, transistor and IC .................A13
Note on Soldering ......................................................A14

Sanyo PLC-XU101 Specifications

General

Matrix size	0.8 \
Vertical scan range	50 - 100 Hz
Horizontal scan range	15 - 100 kHz
Projection technology	LCD
Contrast ratio (typical)	500:1
Screen size compatibility	33 - 300 \
Projector native resolution	XGA (1024x768)
Keystone correction, vertical	±40 °
Output	D-Sub15 x 1
Video in	RCA x 1
Audio input	Yes
Aspect ratio	4:3
Dimensions (WxDxH)	334 x 232 x 78 mm
Connectivity technology	Wired
Lamp power	275 W
Light source type	Lamp
Noise level	29 dB
Dot clock scanning frequency	140 MHz
Audio (L/R) in	2
Headphone outputs	1
Display resolution	786 x 432 pixels
Power consumption (typical)	385 W

Weight and Dimensions

Weight	3500 g