Gateway FPD1830 - Page 12

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2. NO RASTER
TROUBLE IN
INVON PATTERN
CHECK
J702 PIN 8 (5V) ?
NO
NO RASTER
TROUBLE IN
BULT-IN POWER
or L703, L704
CHECK
J702 PIN 1, 2, 3
(12V) ?
NO
TROUBLE IN
X501
CHECK
X501
H. PULSE ?
NO
TROUBLE IN
U201
CHECK
U201(GM5020) ?
NO
TROUBLE IN
U201
NO
TROUBLE IN
U201
CHECK
U301, U302, U303
PIN 35
MEMORYCLK?
NO
YES
YES
YES
YES
YES
CHECK
R241, L202, L203
PULSE?