Sanyo PLC-XL51A 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
Fuse........................................................................................................ 5
Lamp cover switch ........................................................................... 6
Thermal switch .................................................................................. 6
Warning temperature and power failure protection ........... 7
Maintenance and Cleaning ............................................................... 8
Cleaning the Air Filter ..................................................................... 8
Resetting the Filter Counter ......................................................... 8
Cleaning the Projector Window .................................................. 9
Cleaning .............................................................................................10
Lamp Replacement ............................................................................11
Lamp Replacement .......................................................................11
Lamp Replacement Counter Reset ..........................................12
How to check Lamp Used Time .................................................13
Security Function Notice and Standby mode Notice ............14
Security Function Disable ............................................................14
Standby mode notice ...................................................................14
Network Easy Setup Function ........................................................15
Mechanical Disassembly..................................................................19
Optical Parts Disassembly ...............................................................35
Optical Parts Location and Direction ..........................................41
Adjustments .........................................................................................42
Adjustments after Parts Replacement ....................................42
Note on Main board Replacement ...........................................42
Optical Adjustments .........................................................................43
Contrast adjustment......................................................................43
Integrator lens adjustment .........................................................44
Relay lens-Out adjustment .........................................................45
Projection Lens focus adjustment ............................................46
Electrical Adjustments ......................................................................48
Service Adjustment Menu Operation .....................................48
Memory IC (IC1391) Replacement............................................48
Circuit Adjustments .......................................................................49
Test Points and Locations ............................................................52
Service Adjustment Data Table .................................................53
Chassis Block Diagram ......................................................................69
Chassis over view ............................................................................69
System control .................................................................................70
Lamp control ....................................................................................71
Audio circuit .....................................................................................72
Power supply & protection circuit ............................................73
Eco-Standby (Sub-CPU) ................................................................74
Fan control circuit ...........................................................................75
IIC bus control circuit ....................................................................76
Network (MCI) circuit ....................................................................77
Troubleshooting .................................................................................78
Indicators and Projector Condition ..........................................78
No Power ...........................................................................................79
No Picture ..........................................................................................80
No Sound ...........................................................................................81
Control Port Functions .....................................................................82
Scaler I/O Port Functions (PW190) ...........................................82
IC Block Diagrams...............................................................................84
Electrical Parts List .............................................................................88
Electrical Parts Location ...............................................................89
Electrical Parts List ..........................................................................90
Mechanical Parts List ...................................................................... 119
Mechanical Parts Location ....................................................... 119
Optical Parts Location ................................................................ 121
Mechanical Parts List .................................................................. 124
Diagrams & Drawings ...................................................................... A1
Parts description and reading in schematic diagram .......... A2
Schematic Diagrams ........................................................................ A3
Printed Wiring Board Diagrams ..................................................A13
Pin description of diode, transistor and IC .............................A19
Note on Soldering ...........................................................................A20

Sanyo PLC-XL51A Specifications

General

Brand	Sanyo
Model	PLC-XL51A
Category	Projector
Language	English