3.7 Lamp Ballast Unit Fan (FN905) Removal.................................................2-8
3.8 Power Board Removal..............................................................................2-8
3.9 Optical Unit and Fan (FN901) Removal....................................................2-9
3.10 Audio Amp. Board Removal ...................................................................2-9
3.11 Fans (FN902, FN903, FN904) Removal.................................................2-10
3.12 AC Inlet Ass’y Removal..........................................................................2-10
4. OPTICAL PARTS DISASSEMBLIES................................................................2-11
4.1 Projection Lens Removal..........................................................................2-11
4.2 Optical Unit Top Removal.........................................................................2-11
4.3 Integrator Lens Ass’y Disassembly...........................................................2-12
4.4 Relay Lens Ass’y Disassembly.................................................................2-12
4.5 Polarized Glass-in Ass’y Disassembly......................................................2-13
4.6 Polarized Glass-out Ass’y Disassembly....................................................2-13
4.7 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
Part 3: Adjustment
1. BEFORE ADJUSTMENTS................................................................................3-1
1.1 Adjustments after Parts Replacement......................................................3-2
1.2 Service Adjustment Menu Operation........................................................3-3
1.3 Service Conditions....................................................................................3-4
1.4 Service Adjustment Data Table................................................................3-5
2. ELECTRICAL ADJUSTMENTS........................................................................3-7
2.1 Output Voltage Adjustment.......................................................................3-7
2.2 Fan Voltage Adjustment ...........................................................................3-7
2.3 PC-Offset Adjustment...............................................................................3-8
2.4 PC Gain Adjustment.................................................................................3-8
2.5 Component Gain Adjustment....................................................................3-9
2.6 AV Gain Adjustment .................................................................................3-10
2.7 NRS Adjustment.......................................................................................3-10
2.8 Signal Center Adjustment.........................................................................3-11
2.9 PC/AV Gamma Off Adjustment ................................................................3-11
2.10 PC/AV-Video Adjustment-1 ....................................................................3-12
2.11 PC/AV-Video Adjustment-2 ....................................................................3-13
2.12 S/H Clock Adjustment.............................................................................3-13
2.13 Common Center Adjustment ..................................................................3-14
2.14 White Balance Adjustment......................................................................3-14
2.15 Black Balance Adjustment......................................................................3-15
2.16 Note on White Uniformity Adjustment.....................................................3-15
3. OPTICAL ADJUSTMENTS...............................................................................3-16
3.1 Contrast Adujstment.................................................................................3-16
3.2 Integrator Lens Adujstment.......................................................................3-17
3.3 Relay Lens Adjustment.............................................................................3-19
4. TEST POINTS AND LOCATIONS....................................................................3-20

IV