Gateway FPD 1500 Service Manual page 11

TROUBLE IN
DPM MODE
CHECK
CN602 PIN 1, 2, 5, 6
11, 12, 15, 16
SIGNAL ?
YES
CHECK
CN601 PIN 20
Vsync ?
YES
CHECK
U201 PIN 28
Vsync ?
YES
CHECK
U201 PIN 12, 15
HIGH ?
YES
RECHECK PC
& SIGNAL CABLE
3. TROUBLE IN DPM
NO
NO
NO
NO
- 11 -
CHECK PC
TROUBLE IN
LCD MODULE
TROUBLE IN
U601
TROUBLE IN
U201(MICOM)