LG InTouch Lady Service Manual page 73

4. TROUBLE SHOOTING
HS_R
HS_L
SPK_N
SPK_P
MUIC_AUD_FM_I2C_SCL
MUIC_AUD_FM_I2C_SDA
WM9093 is possible to 1.8 & 2.6 IO When HPVDD is 1.8V
TP1_C509 TP1_C508
LGE Internal Use Only
TP1
TP1
Audio Sub
System(IC501) TP2_FB507
- 74 -
TP2
TP2
TP2_FB508
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Only for training and service purposes
SPK_OUT_P
SPK_OUT_N
HS_OUT_L
HS_OUT_R
GND