LG D722K Service Manual page 119

EAR_MIC_JACK
HPH_L_OUT
EAR_SENSE_JACK
HPH_R_OUT
C6610
FM_ANT
GND Close to EarJack R6617
HPH_REF
TP4
TP4
(L6613)
(L6613)
MIC_BIAS_2
MIC_IN2_N
TP2
(FB6611)
TP1
(FB6600)
LGE Internal Use Only
ATA/I2C_SDA
LGE Internal Use Only
1n R6926
0
L6613
100n
0
R6613
2.2K
(FB6612)
TP4
(L6613)
GND_BUCK
-NCP_VNEG
NCP_C1P
-NCP_C1M
SPKR_DRVP
SPKR_DRVM
4. Trouble Shooting
R6425
+VPWR
2.4M
U6600 FSA5157L6X
R6424
1 6
S B1
2 5
330K
VCC GND
3 4
A B0
TP3
C6606
1n
7
C6107 1u
11
2
C6108
1
(DGMS Guide)
1u
49
50
- 119 - Copyright © 2014 LG Electronics. Inc. All right reserved.
3. TROUBLE SHOOTING
TP3 TP2
TP2
(FB6612) (FB6611)
(FB6611)
TP3
(FB6612) (FB6612)
FB6611 1800
FB6613 1800 S/W_Detect
SPK_L
FB6612 1800
SPK_R
GND
FB6600 1800
MIC
TP1
TP1
(FB6600)
(FB6600)
TP6
(C6108)
TP5
(C6107)
Dedicate a g
111
MC-C06162-1 : 1. D
TP6
(C6108)
Only for training and service purposes
J6600
TP5
(C6107)