42PB4RT-MA, CHASIS, PP7BB - LG TV Service Manual (repair manual). Page 13

Read LG 42PB4RT-MA / CHASIS / PP7BB Service Manual online

- 13 -
GUIA DE RESOLUÇÃO DE PROBLEMAS 
1. No power
 
W
 Symptom
    1) Minute discharge doesn'
t occur at module.
    2) Front LED doesn'
t come into action.
Start check
Is inserted a plug
in power cord?
Is connected the Line
Filter and PSU?
Is  normal the fuse
 of PSU? Plasma(F101),
LCD(F111)
Plug in a power cord 
Connect a cable.
Plasma (EL11), LCD(SC100)
Replace the fuse
Is it connected
 that PSU and 13pin cable
in VSC board?
Connect the 13pin cable.
YES
YES
YES
YES
NO
NO
NO
NO
After remove all cables connected to 
PSU(except  the CN101), authorizes the AC 
voltage marking on manual. 
When ST-by 5V doesn'’t operate, replace PSU
Page of 32
Display

Click on the first or last page to see other 42PB4RT-MA / CHASIS / PP7BB service manuals if exist.