LG -E960 Service Manual page 78

4. TROUBLE SHOOTING
- PAM control signal
PA_ON5_L4 (C11039) : PAM Enable (VEN)
PA0_R1 (C11038) : PAM Gain Control (VMODE)
PA_ON5_L4 (VEN) must be HIGH (over 2.6V)
TP1
TP2
VEN
TP3
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