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2.11 PC/AV-Video Adjustment-2
[PC-video adjustment-2]
1. Receive the 16-step gray scale computer signal.
2. Set to
COMPUTER
mode.
3. Connect an oscilloscope to test point “TP512” (+) and chassis ground (-).
4. Enter to the service mode, select item no. “15” and change data value to adjust “b” to
be 1.90 ±0.01Vp-p.
[AV-video adjustment-2]
5. Receive the 16-step gray scale video signal.
6. Set to
VIDEO
mode.
7. Connect an oscilloscope to test point “TP512” (+) and chassis ground (-).
8. Select item no. “15” and change data value to adjust “b” to be 2.00 ±0.01Vp-p.
2.12 S/H Clock Adjustment
1. Receive the 16-step gray scale computer signal.
2. Set to
COMPUTER
mode.
3. Connect an oscilloscope to test point “TP512” (+) and chassis ground (-).
4. Enter to the service mode, select item no. “3” and change data value to adjust “a” to
be maximum.
Part 3: Adjustment
3-13
(a)
Fig. 3-10
(a)
(b)
black level
white level
white level
Fig. 3-9
Содержание D78-5152
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Страница 3: ...CANON Multimedia Projector LV 5110U D78 5152 LV 5110E D78 5153 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 TP513 S H B OUTPUT TP562 S H B OUTPUT TP561 S H B INTPUT ...
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 95: ...Part 4 Troubleshooting 4 17 CXA2112R Sample Hold IC501 IC531 IC561 STR Z2156 Power Switching Control IC631 ...
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 ET1030F0A Level Shift IC3501 IC3531 IC3561 ...
Страница 100: ...Part 4 Troubleshooting 4 22 SAA7114H Digital Video Processor IC5101 ...
Страница 101: ...Part 5 Parts Catalog ...
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Страница 118: ...Part 6 Electrical Diagrams ...
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