LG GT540 Service Manual page 91

4. Trouble Shooting
Check ANT_SEL 0, 1, 2
Check TP1 Over 21dBm?
Check TP2 Over 21dBm?
Check TP3 Over 21dBm?
Check TP4 Over 7dBm?
LGE Internal Use Only
(High, Low, Low)
No
No
No
No
Check PAM Block
Refer to 1.5.4
Yes
RF Tx Level is OK
Yes
Check TX Module
Yes
Check Duplexer
Yes
Check RTR6285
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