6. TROUBLE IN H. V SYNC
PROBLEM IN
HOR. OR VER. SYNC
CHECK
CONNECTOR S702
(PIN3,4), SIGNAL
PROBLEM IN
SIGNAL CABLE
CHECK
U701(PIN 40,39)
H/V SYNC.
SIGNAL
PROBLEM IN
H/V SYNC LINE &
Q301, Q401
CHECK
U701(PIN 32,33)
H/V SYNC.
SIGNAL
CHECK
U701(PIN 5)
VOLTAGE
5V?
CHECK
U301(PIN 3)
U402(PIN 4)
CHECK
U701(PIN 8)
FREQ.4MHz
PROBLEM IN
U301, U402
PROBLEM IN
U701
PROBLEM IN U203
12V, 77V VOLTAGE
PROBLEM IN
5V LINE
YES
NO
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
37
Содержание Diamand Scan 71
Страница 9: ... 6 Diamand Scan 71 ...
Страница 70: ...10 Monolithic triple 13 5nS CRT driver 67 ...
Страница 71: ...68 ...
Страница 72: ...69 ...
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Страница 102: ...99 SCHEMATIC DIAGRAMS 1 Video Board ...
Страница 103: ...100 2 Main Board ...