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Part 3: Adjustment
3-14
3. OPTICAL ADJUSTMENTS
Before taking optical adjustments below, remove the Cabinet Top and Main Board
following to the "Mechanical Disassemblies"
Adjustments require a 2.0mm hex wrench and a slot screwdriver. When you adjust
Condenser lens, Condenser lens-out or Relay lens adjustment, you need to disconnect
some connectors and FPC cables of LCD panels on the main board.
3.1 Contrast Adjustment
[Before adjustment]
• Input a 100% of black raster signal.
[R/G/B-contrast adjustment]
1. Loosen a screw
A
(
Fig. 3-11/3-12
) on the polarized
glass mounting base which you intend to adjust.
2. Turn the polarized glass mounting base as shown in
Fig. 3-11
to obtain the darkest brightness on the screen.
3. Tighten the screw
A
to fix the polarized glass mounting
base.
Repeat steps 1 to 3 for remaining polarized glasses.
Fig. 3-11
Fig. 3-12
CAUTION
Do not disconnect connectors K8N, K8P and K8H on the main board,
because the projector can not turn on due to operate the power failure
protection.
Slot B
Polarized glass
mounting base
A
B-Polarized Glass
Mounting Base
G-Polarized Glass
Mounting Base
A
A
Main Board
A
R-Polarized Glass
Mounting Base
Содержание D78-5382
Страница 2: ...CANON Power Projector LV 5200U D78 5382 LV 5200E D78 5383 SERVICE SMANUAL ...
Страница 9: ...Part 1 General Information ...
Страница 25: ...Part 2 Repair Information ...
Страница 45: ...Part 3 Adjustment ...
Страница 65: ...Part 4 Troubleshooting ...
Страница 84: ...Part 4 Troubleshooting 4 19 AD9884AKS A D IC8201 AN5870SB RGB SW IC5201 ...
Страница 87: ...Part 4 Troubleshooting 4 22 FA5502 P F Control IC611 CXD3526GG LCD Driver Timing Generator IC401 ...
Страница 88: ...Part 4 Troubleshooting 4 23 LA7217 Sync Separator IC5361 M62392 D A IC3561 ...
Страница 89: ...Part 4 Troubleshooting 4 24 M62393 D A IC281 IC7801 NJM2284M Switch IC2101 ...
Страница 91: ...Part 4 Troubleshooting 4 26 VPC3230D Video Decoder IC3101 ...
Страница 92: ...Part 5 Parts Catalog ...
Страница 94: ......
Страница 97: ...58 70 63 71 57 60 65 59 64 66 51 55 62 Page 2 CANON REF No LV 5200U D78 5382 LV 5200E D78 5383 ...
Страница 101: ...45 45 45 45 52 52 a 52 Page 4 CANON REF No LV 5200U D78 5382 LV 5200E D78 5383 ...
Страница 105: ...Page6 CANON LV 5200U REF NO D78 5382 LV 5200E D78 5383 A B C A6800 E FUSE LF901 L901 902 L903 LABEL2 ...
Страница 107: ...U 1 U 2 V 1 W X Y Z 1 Page 7 Z 2 CANON REF No LV 5200U D78 5382 LV 5200E D78 5383 ...
Страница 111: ...Part 6 Electrical Diagrams ...