Gateway FPD1510 - No Raster

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2. NO RASTER
TROUBLE IN
INVON PATTERN
CHECK
J702 PIN 8 (5V) ?
NO
NO RASTER
TROUBLE IN
POWER ADATER
CHECK
J702 PIN 1
(12V) ?
NO
TROUBLE IN
U106, U105, U101,
U109
CHECK
U501 PIN 42
H. PULSE ?
NO
TROUBLE IN
U201
NO
TROUBLE IN
U201
CHECK
U201 PIN 71
AD CLOCK ?
NO
YES
YES
YES
YES
YES
CHECK
U201 PIN 67
H.PULSE?
TROUBLE IN
U201
NO
YES
CHECK
U201 PIN 69
DEN ?
TROUBLE IN
LCD MODULE