2.6 AV Gain Adjustment
1. Receive the 16-step gray scale video signal.
2. Set to
VIDEO
mode.
3. Connect an oscilloscope to test point “TP2221G” (+) and chassis ground (-).
4. Enter to the service mode, select item no. “30” and change data value to adjust “a” to
be 1.05 ±0.01Vp-p.
2.7 PSIG Adjustment
1. Receive the 16-step gray scale computer signal.
2. Set to
COMPUTER
mode.
3. Connect an oscilloscope to test point “TP1451” (+) and chassis ground (-).
4. Adjust “a” to be 2.0 ±0.1V by using VR401.
Adjust “b” to be 10.0 ±0.1V by using VR402.
Part 3: Adjustment
3-10
Fig. 3-5
Pedestal level = Black level
(a)
Fig. 3-6
(a)
(b)
Содержание D78-5132
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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 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 118: ...Part 6 Electrical Diagrams ...
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