Service manual

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CHECK DOT CLOCK
PATTERN
NO
TROUBLE IN
U201
NO
CHECK
DVS PATTERN
NO
CHECK
DHS PATTERN
NO
YES
YES
YES
YES
YES
TROUBLE IN
LCD MODULE
CHECK
U401 PIN 8
V.PULSE?
CHECK
U401 PIN 7
V.PULSE?
CHECK
U401 PIN 10
PULSE ?
CHECK
L204
PULSE ?