3.3 Main Board Removal ............................................................................... 2-7
3.4 Rear Panel, AV and DVI Board Removal ................................................ 2-7
3.5 Optical Unit Removal ............................................................................... 2-8
3.6 Power, Lamp Ballast, Lamp Cover SW Board Removal .......................... 2-8
3.7 Fans 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 Relay Lens-Out Disassembly .................................................................. 2-11
4.4 Polarized Glass-In Removal .................................................................... 2-11
4.5 LCD Panel/Prism Ass’y Removal ............................................................. 2-12
4.6 Optical Unit Top Removal ........................................................................ 2-13
4.7 Locations and Directions ......................................................................... 2-14
5. CLEANING ....................................................................................................... 2-15
6. LAMP REPLACEMENT ................................................................................... 2-16
Part 3: Adjustment
1. 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. CIRCUIT ADJUSTMENTS ............................................................................... 3-11
2.1 Output Voltage Adjustment ...................................................................... 3-11
2.2 Fan Control Adjustment ........................................................................... 3-12
2.3 Clamp Adjustment [PC] ........................................................................... 3-12
2.4 Clamp Adjustment [AV] ............................................................................ 3-13
2.5 Clamp Adjustment [COMPONENT] ......................................................... 3-13
2.6 Sub Gain Adjustment [PC] ....................................................................... 3-14
2.7 Sub Gain Adjustment [AV] ....................................................................... 3-14
2.8 Video Center Adjustment ......................................................................... 3-15
2.9 PSIG Adjustment ..................................................................................... 3-15
2.10 Black Reference Adjustment ................................................................. 3-16
2.11 Common Center Adjustment ................................................................. 3-16
2.12 Gamma Adjustment ............................................................................... 3-17
2.13 White Balance Adjustment ..................................................................... 3-17
2.14 Note On White Uniformity Adjustment ................................................... 3-18
3. OPTICAL ADJUSTMENTS .............................................................................. 3-19
3.1 Contrast Adjustment ................................................................................ 3-19
3.2 Integrator Lens Adjustment ...................................................................... 3-20
3.3 Relay Lens-Out Adjustment ..................................................................... 3-21
4. TEST POINTS AND LOCATIONS ................................................................... 3-22
IV
Содержание LV-7215U
Страница 9: ...Part 1 General Information ...
Страница 25: ...Part 2 Repair Information ...
Страница 43: ...Part 3 Adjustment ...
Страница 66: ...Part 4 Troubleshooting ...
Страница 77: ...Part 4 Troubleshooting 4 11 4 IC BLOCK DIAGRAMS AD8075 Selector IC201 AN7513 Audio Output IC5601 ...
Страница 78: ...Part 4 Troubleshooting 4 12 AN5870 RGB SYNC SW IC1201 IC5201 BA7078 Sync Separator IC5341 ...
Страница 80: ...Part 4 Troubleshooting 4 14 CXD3536 LCD Driver IC401 FA5502 P F Control IC621 ...
Страница 81: ...Part 4 Troubleshooting 4 15 M62392 M62393 D A IC6271 IC281 ML60851 USB Driver IC9801 ...
Страница 82: ...Part 4 Troubleshooting 4 16 STR Z2156 Power Switching Control IC631 TB1274 Video Decoder IC3101 ...
Страница 83: ...Part 4 Troubleshooting 4 17 TC90A69F Y C Separator IC2101 ...
Страница 84: ...Part 5 Parts Catalog ...
Страница 85: ......
Страница 99: ...Part 6 Electrical Diagrams ...