Canon D78-5241, Руководство по обслуживанию

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4.2 Front Cabinet Removal ............................................................................ 2-6
4.3 Main Board and Sub-Board Removal ...................................................... 2-7
4.4 Power Supply Unit and Fan (FN903) Removal ........................................ 2-7
4.5 AV Unit and Fan (FN907) Removal ......................................................... 2-8
4.6 Lamp Ballast Unit Removal ..................................................................... 2-8
4.7 Optical Unit, Fan (FN901) and Fan Louver Removal .............................. 2-9
4.8 Air Duct and Fan Removal ....................................................................... 2-9
4.9 Lens and Panel Prism Assembly Removal .............................................. 2-10
5. CLEANING ....................................................................................................... 2-11
Part 3: Adjustment
1. PRECAUTIONS FOR ADJUSTMENT ............................................................. 3-1
1.1 Service Mode ........................................................................................... 3-1
1.2 Adjustments Required after Parts Assembly and Replacement .............. 3-1
1.3 Service Mode Adjustment Items .............................................................. 3-2
1.4 IC Adjustment Data .................................................................................. 3-3
2. ELECTRICAL ADJUSTMENTS ....................................................................... 3-5
2.1 Fan Voltage Adjustment .......................................................................... 3-5
2.2 NRS Adjustment ...................................................................................... 3-5
2.3 Signal Center DC Voltage Adjustment ..................................................... 3-5
2.4 Contrast Adjustment ................................................................................ 3-6
2.5 Signal Level Adjustment .......................................................................... 3-7
2.6 Flicker Adjustment ................................................................................... 3-7
2.7 White Balance Adjustment ....................................................................... 3-8
2.8 Contrast Linearity Adjustment .................................................................. 3-8
2.9 Color Shading Correction ........................................................................ 3-8
3. TEST POINTS LOCATIONS ............................................................................ 3-9
4. TROUBLESHOOTING ..................................................................................... 3-10
Part 4: Parts Catalog
Part 5: Electrical Diagrams
1. PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAM ............. 5-1
2. DIODE, TRANSISTOR AND IC PINS .............................................................. 5-3
Schematic Diagrams ........................................................................................ A1
Printed Wiring Board Diagrams ........................................................................ A7
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