Sanyo PLC-EF60, Руководство по обслуживанию, Страница: 2 / 192

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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
Safety Protections ......................................................... 5
1. Fuse ........................................................................ 5
2. Thermal switches .................................................... 5
3. Mechanical switches ............................................... 6
4. Temp. and airflow sensors ...................................... 7
5. Power failure and fan lock detection ....................... 7
Air filter replacement ...................................................... 8
Lamp Replacement ....................................................... 9
How to Reset the Lamp or Filter Timer ........................ 10
Mechanical disassemblies ........................................... 11
Optical Parts Disassemblies ........................................ 23
LCD Panel Replacement ............................................. 30
Adjustments ................................................................. 31
PIN Code Reset ........................................................ 31
Adjustments after Parts Replacement ...................... 31
Optical Adjustments ..................................................... 32
1. Optical Center adjustment .................................... 32
2. Contrast adjustment .............................................. 38
3. Convergence service adjustment .......................... 39
4. Back focus adjustment .......................................... 41
Electrical Adjustments ................................................. 42
1. Service Adjustment Menu Operation .................... 42
2. Circuit Adjustments ............................................... 43
3. Test points and locations ....................................... 47
4. Service Adjustment Data Table ............................. 48
Chassis Description & Troubleshooting ....................... 65
1. Chassis Overview ................................................. 65
2. Signal Input and Decoding Stage ......................... 66
3. Audio Signal Processing Stage ............................ 68
4. LCD Drive Stage ................................................... 70
5. Lamp Control ........................................................ 72
6. Fan Control ........................................................... 74
7. Motor Control ........................................................ 76
8. System Control .................................................... 78
9. Power Supply and Failure Detection ..................... 81
10. Diagnosis of Failure with LED indication ............. 83
11. Diagnosis of Power Failure with RS-232C port ... 85
Control Port Functions ................................................. 89
Cleaning .................................................................... 100
IC Block Diagrams ..............................................101-106
Electrical Parts List .................................................... 107
Electrical Parts Location ......................................... 108
Electrical Parts List ................................................. 111
Mechanical Parts List ................................................ 151
Cabinet Parts Location ........................................... 151
Chassis Parts Location ........................................... 152
Optical Parts Location ............................................ 154
Mechanical Parts List ............................................. 164
Diagrams & Drawings ..................................................A1
Parts description and reading in schematic diagram ....... A2
Schematic Diagrams ........................................... A3-A14
Printed Wiring Board Diagrams ......................... A15-A24
Pin description of diode, transistor and IC .................A25