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1. BEFORE ADJUSTMENTS
Part 3: Adjustment
3-1
IC302 on the main board stores the data for the service adjustments,
and should not be replaced except for the case of defective device.
If replaced, it should be performed the re-adjustments following to the
“Electrical Adjustments”.
The data of lamp replacement monitor timer is stored in the IC302.
Please note that the lamp replacement monitor timer is reset when the
memory IC (IC302) is replaced.
(Lamp replacement monitor time can not be set to the previous value.)
Caution to memory IC replacement
When IC302 is replaced with new one, the CPU writes down the default
data of the service adjustments to the replaced IC, refer to the service
adjustment table. As these data are not the same data as factory
shipped data, it should be required to perform the re-adjustments
following to the “Electrical Adjustments”.
Please note that the lamp replacement monitor timer is reset.
Caution of Main Board replacement (in the case IC302 is not
defective)
When the main board is replaced, IC302 should be replaced with the
one on previous main board. After replacement, it should be required
to perform the re-adjustments following to the “Electrical
Adjustments”.
In this case, the lamp replacement monitor timer can be kept the value
as before.
CAUTION
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 113: ...U 1 U 2 V 1 V 2 W 1 X 1 Z Page 5 CANON LV 7105J REF No D78 5131 LV 7105U D78 5132 LV 7105E D78 5133...
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Страница 118: ...Part 6 Electrical Diagrams...
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