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3. TROUBLE SHOOTING
- 87 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
<Min Top>
R6425
3M
D6610
U6420
FSA5157L6X
4
3
5
2
6
1
S
B1
VCC
GND
A
B0
33p
C6614
C6611
10n
L6610
180n
0
R6923
ZD6612
2
1
ZD6613
C6615
DNI
C6610
1n
4.7K
R6610
EAG63550001
J6610
JNTC
S/W_Detect
SPK_L
SPK_R
MIC
GND
C6612
DNI
R6424
330K
1800
FB6611
ZD6610
1800
FB6612
R6611
4.7K
1800
FB6610
R6615
0
ZD6611
1.2K TOL=0.01
R6613
TOL=0.01
1K
R6612
C6420
1u
0
R6616
FM_ANT
+VPWR
HPH_REF
MIC_BIAS_2
EAR_SENSE_JACK
MIC_IN2_N
HPH_L
EAR_MIC_JACK
HPH_R
Rev1.0
Rev1.0)
RevB) DGMS
RevB: TDMA issue
DGMS checklist
To improve FM Antenna performance using 3pole Ear-jack
(06/18)
Place these components close
to the headset jack connector.
to the headset jack connector.
Place these components close
(06/03)
(06/18)
0603,3.3V,7.5V,6pF
TP2(C6614, R6616)
TP2(R6616)
TP2(C6614)
TP1(R6105)