LG D405 Service Manual page 87

EAR_SENSE_JACK
HPH_L
HPH_R
C6610 1n
FM_ANT
EAR_MIC_JACK
Place these components close
to the headset jack connector.
Rev1.0)
RevB: TDMA issue
R6923 0
HPH_REF
R6612
MIC_BIAS_2
MIC_IN2_N
TP2(C6614, R6616)
LGE Internal Use Only
(06/18)
1800
FB6611
1800
FB6612
Rev1.0
C6611
10n
R6425
3M
+VPWR
U6420
R6424
1
S
2
330K
VCC
3
A
TOL=0.01
1.2K TOL=0.01
1K
R6613
C6615
DNI
C6420
1u
TP2(C6614)
(06/03)
RevB) DGMS
0603,3.3V,7.5V,6pF
FSA5157L6X
6
B1
5
GND
4
B0
TP1(R6105)
TP2(R6616)
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- 87 - Copyright © 2014 LG Electronics. Inc. All right reserved.
3. TROUBLE SHOOTING
J6610
S/W_Detect
SPK_L
SPK_R
GND
1800
FB6610 MIC
JNTC
(06/18)
EAG63550001
DGMS checklist
To improve FM Antenna performance using 3pole Ear-jack
Place these components close
to the headset jack connector.
D6610
Only for training and service purposes