Sanyo PLC-XL51 - Page 35

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Alarm ass'y removal.

1. Remove the 2 screws(T3x8) and remove the Alarm ass'y.

Alarm ass'y

Buzzer board

Mechanical disassemblies

Main Page

Service Manual1
Table of Contents2
Safety Instructions3
- Safety Precautions3
- Product Safety Notice3
- Service Personnel Warning3
- Battery Replacement Notice3
Specifications4
Circuit Protections5
- Fuse5
- Lamp Cover Switch6
- Thermal Switch6
- Warning Temperature and Power Failure Protection7
Maintenance and Cleaning8
- Cleaning the Air Filter8
- Resetting the Filter Counter8
- Cleaning the Projection Window9
- Cleaning the Projector Cabinet9
- Cleaning10
Lamp Replacement11
- Lamp Replacement Counter Reset12
- How to Check Lamp Used Time13
Security Function Notice14
- Security Function Disable14
- Antitheft Alarm Function Disable14
Network Easy Setup Function16
Mechanical Disassemblies20
- Optical Unit Removal31
- Line Filter Board Removal32
- Optical Disassemblies37
Optical Parts Disassembly37
Optical Parts Location and Direction43
Adjustments44
- Adjustments after Parts Replacement44
- Note on Main Board Replacement44
- Note on Memory IC Replacement44
Optical Adjustments45
- Contrast Adjustment45
- Integrator Lens Adjustment46
- Relay Lens-Out Adjustment47
- Projection Lens Focus Adjustment48
Electrical Adjustments50
- Service Adjustment Menu Operation50
- Circuit Adjustments51
- Test Points and Locations54
- Service Adjustment Data Table55
Chassis Block Diagram71
- Chassis over View71
- System Control72
Lamp Control73
- Audio Circuit74
- Power Supply & Protection Circuit75
- Fan Control Circuit76
- Alarm Circuit77
- IIC Bus Control Circuit78
- Network (MCI) Circuit79
Troubleshooting80
- Indicators and Projector Condition80
- No Power81
- No Picture82
- No Sound83
Control Port Functions84
- Scaler I/O Port Functions (PW190)84
IC Block Diagrams86
Electrical Parts List90
- Electrical Parts Location91
- Electrical Parts List92
- Mechanical Parts List119
- Cabinet Parts Location119
- Mechanical Parts List124
Diagrams & Drawings127
Parts Description and Reading in Schematic Diagram128
Schematic Diagrams129
Printed Wiring Board Diagrams139
Pin Description of Diode, Transistor and IC145
Note on Soldering146

Sanyo PLC-XL51 - Page 35

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