XG-PH70X/XG-PH70X-N (1st. Edition)
4 – 5
Checking the Main unit.
Check output sync signal of input 1 and 2.
Check input sync signal circuits.
Are there any sync signal at pin (2) to "V-sync" and pin (5) to
"H-sync" of IC3001 input?
NO
Check IC3001 and its peripheral circuits.
YES
Are there any sync signal at pin (6) to "V-sync" & pm (3) to "H-
sync" of IC3001 output?
NO
IC3001 is breakdown.
YES
CN3001 is not stable or breakdown.
Checking the Terminal unit.
Check INPUT2 sync signal input.
Check BNC RGB input sync signal circuits.
Are there any sync signal at pin (11) to "V-sync" and pin (13) to
"H-sync" of IC3005 input?
NO
Check IC3005 and its peripheral circuits.
YES
Are there any sync signal at pin (5) to "V-sync" and pin (2) to
"H-sync" of IC3002 input?
NO
IC3005 are breakdown.
YES
Are there any sync signal at pm (3) to "V-sync" & pin (6) to "H-
sync" of IC3002 output?
NO
Check IC3002 and its peripheral circuits.
YES
CN3001 is not stable or breakdown.
Содержание XG-PH70X - XGA DLP Projector
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Страница 132: ...XG PH70X XG PH70X N 1st Edition 8 50 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I PC I F Unit 5 Ref No 8xxx IC20 IC8020 ...
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Страница 134: ...XG PH70X XG PH70X N 1st Edition 8 52 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I PC I F Unit 6 Ref No 8xxx IC25A IC8025A ...
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Страница 140: ...XG PH70X XG PH70X N 1st Edition 8 58 1 2 3 4 5 6 7 9 10 8 J A B C D E F G H I PC I F Unit 9 Ref No 8xxx R260 R8260 NC ...
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