2. NO CHARACTER
NO CHARACTER
CHECK
NOTROUBLE IN
IC302
P302 6.3V LINE
PIN 20(6.3V) ?
YES
TROUBLE IN
CHECK
NO
PC SIGNAL,
IC302 PIN 1, 3, 5?
P301 SIGNAL CABLE
YES
CHECK NOTROUBLE IN
IC302 PIN 14, 16, 18 ?IC302
YES
CHECK
NOTROUBLE IN
IC303 PIN 4 (105V)
P303 15V LINE/
PIN 8 (15V) ?
105V LINE
YES
CHECK
NO
IC303 TROUBLE IN IC303
PIN 1, 5, 11 ?
YES
TROUBLE IN
CHECK
NOR341~R343,
R, G, B CATHODE
R351~R353, L301~L303,
VOLTAGE?
D307~D312
YES
TROUBLE IN
CRT SOCKET
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