TROUBLE IN
HOR. OR VER. SYNC
CHECK
CONNECTOR S701
(PIN6,7), SIGNAL
TROUBLE IN
SIGNAL CABLE
CHECK
U701(PIN 39,40)
H/V SYNC.
SIGNAL
TROUBLE IN
H/V SYNC LINE &
Q701, Q702
CHECK
U701(PIN 32,33)
H/V SYNC.
SIGNAL
CHECK
U701(PIN 5)
VOLTAGE
5V?
TROUBLE IN
5V LINE
YES
NO
YES
YES
YES
CHECK
U701(PIN 1, 2)
TROUBLE IN
U301
YES
YES
NO
NO
NO
CHECK
U701 (PIN 7, 8)
FREQ.12MHz
TROUBLE IN
H.V SIGNAL LINE
R301, R302, C706,
C301, C302
TROUBLE IN
X701, U701
NO
YES
NO
22
6. TROUBLE IN H. V SYNC
