Lge Internal Use Only - LG -S367 Service Manual

CHECKING FLOW
Mobile SW & RF Module is OK.

LGE Internal Use Only

Check TP1 of SW400
TP1 Signal is OK?
Yes
Check TP4 of U400 ?
Yes
Control Signal is
(TP5, TP6, TP8)
OK ?
Yes
TP2(High Band),
TP3(Low Band)
Signal is OK ?
Yes
No
Replace Mobile SW (SW400)
No
Check PMB8815
No
Replace RF Module(U400)
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4. TROUBLE SHOOTING
Only for training and service purposes