LG FLATRON 915 FT PLUS Service Manual page 13

NO CHARACTER
CHECK
IC302 PIN 3, 8, 12 (12V),
PIN 17 (5V)?
YES
CHECK
IC302 PIN 2, 6, 11 ?
YES
CHECK
IC302 PIN 29, 32, 35 ?
YES
CHECK
R, G, B CATHODE
VOLTAGE?
YES
TROUBLE IN
CDT SOCKET
2. NO CHARACTER
NO
NO
NO
NO
TROUBLE IN
P302,
5V, 12V LINE
TROUBLE IN
PC SIGNAL,
SIGNAL CABLE, IC2001
TROUBLE IN
IC302
TROUBLE IN
IC303