LG -E400f Service Manual page 48

4. TROUBLE SHOOTING
4.5.4. Checking PAM Block
PAM Control Signal
PA_ON0 (C185), PA_ON1(C01) : PAM Enable
PA_R0: PAM Gain Control
PA_ON must be HIGH (over .6V)
PAM IN/OUT Signal :
When PAM is under the operation of high power mode (PA_R0(C185) : Low),
PAM OUT power must be over 1 dBm
PAM IN power must be under 10 dBm
TP1
TP3
TP2
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