- 18 -
2. NO CHARACTER
CHECK
IC301 PIN 30 (12V),
PIN 2 (5V)?
CHECK
IC301 PIN 1, 3, 6 ?
CHECK
IC301 PIN 25, 27, 29 ?
TROUBLE IN
P301,
5V, 12V LINE
TROUBLE IN
PC SIGNAL,
SIGNAL CABLE, IC2231
TROUBLE IN
IC301
TROUBLE IN
CDT SOCKET
NO
YES
NO
NO
YES
YES
CHECK
R, G, B CATHODE
VOLTAGE?
TROUBLE IN
IC303
NO
YES
NO CHARACTER