LG LG-X230DS - Page 43

LGE Internal Use Only
3. TROUBLE SHOOTING
Circuit Diagram
Checking Flow
Image
3.6. 3. 2. GPS Trouble Shooting
3.6 Connectivity PART
Main
Bot
YES
NO
YES
NOT GOOD
NO
YES
OK?
TP2
TP3
TP1
TP1
TP3
TP2
SAW
U1202
U1203
Start
Check TP3
signal
Check TP2
signal
Re-solder or change
U1201，U1203
Re-solder or change
U1202
Check TP1
signal
Check device work or
not
Re-solder or change
U1204
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