No Osd Display - Acer H15AAX Service Manual

5. NO OSD display

OK
Trouble Shooting
Check the input of pulse from I300 pin 5, 6.
NG
1) Printed wire broke between I306 pin 5 and I303 pin 9.
2) Printed wire broke between I306 pin 6 and I303 pin 8.
Proceed "Checking the resolution change IC movement" section.
Failure point
H15AAX (AL502)
Page 7