LG LAN-8680MH Service Manual page 85

❏ DVD PART
• DVD REPAIR
CHANGE TO DVD SCREEN FAILURE
SCREEN IS CHANGED BUT DVD
AND CD IS SILENT
PN409,PN411 CONNECTION ERROR?
PN406 POWER TERMINAL CHECK
PN404 CONNECTION ERROR ?
AUDIO BOARD CHECK
- 9-17 -
NO
IC453 IS BAD? IC453 IS BAD?
NO
1,2 : 10V
5,6 : 1.8V
7,8 : 3.3V
11,12 : 5V
NO
NO
DECK IS BAD