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3.5 Lamp Ballast Unit Removal ..................................................................... 2-6
3.6 Filter Board Removal ............................................................................... 2-6
3.7 Power Box Cover and Fans (FN901, FN906) Removal ........................... 2-7
3.8 Optical Unit Removal ............................................................................... 2-7
3.9 Power and P.F. Board Removal .............................................................. 2-8
3.10 Fan (FN905) Removal ........................................................................... 2-9
3.11 Fans (FN902, FN903, FN904) Removal ................................................ 2-9
4. OPTICAL PARTS DISASSEMBLIES ............................................................... 2-10
4.1 Projection Lens Removal ......................................................................... 2-10
4.2 Integrator Lens-In Disassembly ............................................................... 2-10
4.3 Condenser Lens Disassembly ................................................................. 2-11
4.4 Condenser Lens-Out Disassembly .......................................................... 2-11
4.5 Relay Lens-Out Disassembly .................................................................. 2-12
4.6 Polarized Glass-In Removal .................................................................... 2-12
4.7 Polarized Glass-Out/Pre-Polarized Glass Removal ................................. 2-13
4.8 Optical Unit Top Removal ........................................................................ 2-13
4.9 Locations and Directions ......................................................................... 2-14
5. LCD PANEL/PRISM ASS'Y REPLACEMENT ................................................. 2-15
5.1 LCD Panel/Prism Ass'y Removal ............................................................. 2-15
5.2 Note on LCD Panel/Prism Ass'y Mounting .............................................. 2-16
6. CLEANING ....................................................................................................... 2-17
7. LAMP REPLACEMENT ................................................................................... 2-18
1. PRECAUTIONS FOR ADJUSTMENT ............................................................. 3-1
1.1 Adjustments after Parts Replacement ..................................................... 3-1
1.2 Service Adjustment Menu Operation ....................................................... 3-2
1.3 Service Adjustment Data Table ............................................................... 3-3
2. ELECTRICAL ADJUSTMENTS ....................................................................... 3-7
2.1 Output Voltage Adjustment ...................................................................... 3-7
2.2 Fan Voltage Adjustment .......................................................................... 3-8
2.3 Signal Center Adjustment ........................................................................ 3-8
2.4 PSIG Adjustment ..................................................................................... 3-8
2.5 Gain Adjustment [PC] .............................................................................. 3-9
2.6 Gain Adjustment [Video] .......................................................................... 3-9
2.7 Gain Adjustment [Component] ................................................................. 3-10
2.8 Gamma Gain Adjustment [PC] ................................................................ 3-10
2.9 Gamma Gain Adjustment [AV] ................................................................. 3-11
2.10 Common Center Adjustment ................................................................. 3-11
2.11 Signal Offset Adjustment [PC] ............................................................... 3-12
2.12 Signal Offset Adjustment [AV] ............................................................... 3-12
2.13 White Balance Adjustment ..................................................................... 3-12
2.14 Note On White Uniformity Adjustment ................................................... 3-13
3. OPTICAL ADJUSTMENTS .............................................................................. 3-14
3.1 Contrast Adjustment ................................................................................ 3-14
3.2 Condenser Lens Adjustment ................................................................... 3-15
3.3 Condenser Lens-Out Adjustment ............................................................ 3-16
3.4 Relay Lens-Out Adjustment ..................................................................... 3-17
IV
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