Advertisement
Power & no Raster
AC input check (220V)
When Main S/W ON,
ST-BY LED ON check (RED)
When SUB S/W on,
LED GREEN check
R8538, R8539,R8540
OPEN check
VS, VA PACK
Function check
each Connector
& connection check
Connection Plug with set
AC Line Fuse check
PFC Board R8301,R8302
R8303 OPEN check
FAN function check
Controller Board
VS ON check
70
Power Supply Section
R8301,R8302,R8303 replacement
5V MONI, 5V CTL output check
Controller Board replacement
LG Electronics / DND / QA Gr.
Advertisement
