LG LG-K430DSF - Page 79

79
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3. TROUBLE SHOOTING
3.16 Connectivity RF PART
3.16.1 Checking RF Signal TRX path(WiFi, BT)
Image
START
Checking Flow
Main
BOT
TP2
Main
TOP
TP1
Check TP1
Signal of WiFi_11b exist?
NO
Replace
MT6625L
SW1003
MT6625L
YES
Check TP2
Signal of WiFi_11b exist?
YES
Replace U5100
and
Check
Component
NO
above RF
signal path
TP1
Circuit Diagram
Check next step
TP2