LG Flatron F900P

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8. TROUBLE IN OSD
CHECK
IC301 PIN 5
(NEGATIVE H-PULSE
COMES IN ?)
CHECK
IC301 PIN 10
(V-PULSE COMES IN?)
CHECK
IC301 PIN 13, 14, 15
(IS THERE ANY SIGNAL
WHEN OPERATING FRONT
CONTROL ?)
NO OSD
TROUBLE IN
IC302
TROUBLE IN
P302
TROUBLE IN
P302
TROUBLE IN
IC301, IC401
YES
YES
YES
NO
NO
NO
CHECK
IC301 PIN 4
(5V) ?
TROUBLE IN
P302
NO
YES