LG D337 - Page 95

4. DOWNLOAD
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Only for training and service purposes
LGE Internal Use Only
Ear Jack Connector
4.TroubleShooting
Case A. Disable detected headset insert.
Ear Jack Connector
‐ 22 ‐
FB6603 1800
1
2
FB6602 1800
1
2
1800FB6601
1 2
FB6600 1800
21
S/W_Detect
SPK_L
SPK_R
MIC
GND
J6600
4
5
3
1
2
R6610 DNI
21
C6930 2.2u
1
2
MIC_BIAS_2
R6926
1.5K
2
1
R6603
0
21
D6600
2
1
VA6600
2
1
VA6603
2
1
VA6602
2
1
+1V8_MTK_VIO
D6601
2
1
DNIR6608
21
R6609 0
21
R6611 0
21
R6600
470K
21
R6601
47K
21
L6600 85n
2
1
FM_ANT
FM_RX_IN_N
EAR_SENSE_JACK
EAR_MIC_JACK
MIC_IN2_N
HPH_AMP_R
HS_GND
HOOK_DETECT
HPH_AMP_L
Close to 3.5pi ear-jack
MAIN GND
via to GND plane.
R6612
2
1
DNI
C6601
1
2
4.7n
4.7n
2
1
C6602 C6603
1
2
1n
C6927
1
2
DNI
R6927
2
1
2.2K
TOL=0.01
R6928
2
1
1K
TOL=0.01
C6928
1
2
33p
C6929
1
2
33p