Gateway CG572E Service Manual page 17

NO CHARACTER
CHECK
IC302
PIN 17(6.3V) ?
YES
CHECK
IC302 PIN 1, 3, 5?
YES
CHECK
IC302 PIN 14, 16, 18 ?
YES
CHECK
IC303 PIN 4 (105V)
PIN 8 (15V) ?
YES
CHECK
IC303
PIN 1, 5, 11 ?
YES
CHECK
R, G, B CATHODE
VOLTAGE?
YES
TROUBLE IN
CRT SOCKET
2. NO CHARACTER
NO
NO
NO
NO
NO
NO
- 17 -
TROUBLE IN
P302 6.3V LINE
TROUBLE IN
PC SIGNAL,
P301 SIGNAL CABLE
TROUBLE IN
IC302
TROUBLE IN
P302 15V LINE/
105V LINE
TROUBLE IN IC303
TROUBLE IN
R341~R343,
R351~R353, L301~L303,
D307~D312