Part 3: Adjustment
3-16
3. OPTICAL ADJUSTMENTS
3.1 Contrast Adujstment
[Before adjustment]
• Adjustment requires a 2.0mm hex wrench and a
slot screwdriver.
• Remove cabinet top following to “Mechanical
Disassemblies”.
• Input a 100% of black raster signal.
[R/G/B-contrast adujstment]
1. Project desired light component on the screen as follows.
When adjusting the R-Contrast, project red light only.
When adjusting the G-Contrast, project green light only.
When adjusting the B-Contrast, project blue light only.
2. Loosen a screw
A
(Fig.3-11/3-12) on the polarized glass mounting base which you
intend to adjust.
3. Adjust a slots
B
as shown in Fig.3-11 to obtain the darkest brightness on the screen
by turning a slot screwdriver.
4. Tighten the screw
A
to fix the polarized glass mounting base.
Repeat steps 1 to 4 for remaining polarized glasses.
Do not disconnect the
connectors on main and
component boards
otherwise the projector can
not be turned on.
Slot B
Polarized glass
mounting base
A
Fig. 3-11
CAUTION
Fig. 3-12
B-Polarized Glass
Mounting Base
R-Polarized Glass
Mounting Base
G-Polarized Glass
Mounting Base
A
A
A
Main Board
Содержание LV-7105
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Страница 3: ...CANON Multimedia Projector LV 7105U D78 5132 LV 7105E D78 5133 SERVICE SMANUAL...
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Страница 11: ...Part 1 General Information...
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Страница 33: ...Part 2 Repair Information...
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Страница 55: ...Part 3 Adjustment...
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Страница 77: ...Part 4 Troubleshooting...
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Страница 81: ...Memo Part 4 Troubleshooting 4 3...
Страница 91: ...Part 4 Troubleshooting 4 13 TP561 S H B INTPUT TP571 TP1571 S H B OUTPUT TP505B TP506B S H B OUTPUT...
Страница 92: ...Part 4 Troubleshooting 4 14 4 IC BLOCK DIAGRAMS FA5332M Power Factor Control IC01 AN5265 AUDIO OUTPUT IC001...
Страница 93: ...Part 4 Troubleshooting 4 15 PW164 10RK System Control Scan Converter IC301 CXA2111R LCD Driver IC401...
Страница 94: ...Part 4 Troubleshooting 4 16 M62358FP DAC IC431 CXD3503R White Uniformity Compensation IC471...
Страница 96: ...Part 4 Troubleshooting 4 18 IDT71V016S RAM IC811 CXA2016S Sync Separator IC1021...
Страница 97: ...Part 4 Troubleshooting 4 19 MC10H351ML IC1501 LM76CHMX Thermal Sensor IC1831 IC1832...
Страница 99: ...Part 4 Troubleshooting 4 21 TC4053BF Switching IC5001 SAA7114H Digital Video Processor IC5101...
Страница 100: ...Part 4 Troubleshooting 4 22...
Страница 101: ...Part 5 Parts Catalog...
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Страница 103: ...PARTS CATALOG Multimedia Projector LV 7105U REF NO D71 5132 LV 7105E D71 5133 Power Projector LV 7105J D71 5131...
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Страница 118: ...Part 6 Electrical Diagrams...
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