- 14 -
2. NO CHARACTER
NO CHARACTER
CHECK
IC302
PIN 9(5V) ?
CHECK
IC302 PIN 5, 6, 7?
CHECK
IC302 PIN 20, 19, 18 ?
CHECK
IC303
PIN 1, 2, 3 ?
CHECK
IC303 PIN 4 (80V)
PIN 8 (12V) ?
TROUBLE IN
P302 5V LINE
TROUBLE IN
PC SIGNAL,
P301 SIGNAL CABLE
TROUBLE IN
IC302
TROUBLE IN
P302 PIN 15(80V),
PIN 14(15V)
TROUBLE IN IC303
NO
YES
NO
NO
YES
YES
YES
YES
NO
NO
CHECK
R, G, B CATHODE
VOLTAGE?
TROUBLE IN
R341~R343,
R331~R333, L311~L313,
D307~D312
TROUBLE IN
CRT SOCKET
YES
NO
