LG CG225 Service Manual page 54

START
Pow er is su pplied to
the bo ard?
Yes
Connection between
Module and board is O K?
Yes
MAIN CN401, FPCB CN1,CN3
is so ldered well?
Yes
FPCB is OK?
Yes
Paths of LCD Data
signa ls ar e OK?
Yes
After chang ing th e boar d,
LCD Dis play is OK?
Yes
LCD Module is out of or der.
Change the LCD Module .
4. TROUBLE SHOOTING
No
Refer to
Power On Tr ouble
No
Reco nnect LCD
Module
No
Re_so ld er t he
MAIN CN401, FPCB
CN1,CN3
No
Change the FPCB
No
Re_so ld er
FL401 ~ 404
No
The boa rd is br ok en.
Change the boa rd.
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