3. TROUBLE SHOOTING
- 114 -
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Only for training and service purposes
LGE Internal Use Only
D6929
0
R6921
D6927
DNI
D6928
C6923
33p
C692
2
0.1u
FB6921
1800
OUT
G1
G2
VDD
G3
G4
MIC6921
6
5
4
3
2
1
MIC_IN3_N
MIC_BIAS_1
MIC_IN3_P
MC-C00074-11 : For ESD Protection / Tuning points
(DGMS Guide)
When USE) TVS devices's Working Voltage must be greater than the Path voltage
GND Close to MIC
TP1
(C6922)
4. Trouble Shooting
TP2
(FB6921)
TP2
(FB6921)
TP1
(C6922)
LGE Internal Use Only
109
TP2
(FB6921)
TP1
(C6922)