LG Flatron F700P Service Manual page 21

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NO OSD
CHECK
IC301 PIN 4
(5V) ?
YES
CHECK
IC301 PIN 5
(NEGATIVE H-PULSE
COMES IN ?)
YES
CHECK
IC301 PIN 18
(V-PULSE COMES IN?)
YES
CHECK
IC301 PIN 13, 14, 15
(IS THERE ANY SIGNAL
WHEN OPERATING FRONT
CONTROL ?)
YES
TROUBLE IN
IC302
7. TROUBLE IN OSD
NO
NO
NO
NO
- 21 -
TROUBLE IN
P302
TROUBLE IN
P302
TROUBLE IN
P302
TROUBLE IN
IC301, IC401

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