Trouble Hooting Without E Rror Di Play - LG GBB530***F Series Service Manual

Troubles hooting Without E rror Dis play
1. R efrigerator room lamp does n't work
No
1 C hec k the loos e c onnec tion.
2 C hec k the R efrigerator door s witc h.
3 C hec k the door S /W res is tanc e.
4
C hec k C ON6, P in 1 & 2
C hec k C ON7, P in 1 & 2
F M A a n d B G M
C hec k C ON7, P in 3 & 4
A + + , A +
C hec k C ON7, P in 1 & 2
A + + +
R es ult & S V C A c tion
If feel s tic ky, C hange the door s /w.
S tatus R es ult
0 Ω
Normal
not
P us h
S /W
S tatus R es ult
12 V
C los ed
Other
0 V
Open
Other
- 7 -
S V C A c tion
G o to the 3
C hange door S /W
G o to the 3
C hange door S /W
S V C A c tion
G o to the 4
C hange the P C B
G o to the 4
C hange the P C B