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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. BB Circuit Technical brief
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3.12.2 Headset circuit
[Figure 3.13.3-1] Headset circuit diagram
C448
390p
100n
L2
100n
L400
00
12
0
S5
CL
V
E
00
4
A
V
L401
100n
10
4
A
V
00
12
0
S5
CL
V
E
C411
390p
0
R405
1800
BLM15BD182SN1D
FB402
BLM15BD182SN1D
FB403
1800
EVLC5S02100
VA50
10u
C412
22n
C413
22n
C414
C415
120p
R406
1.5K
R407
200K
20
4
A
V
00
12
0
S5
CL
V
E
R408
10K
R409
10K
2V5_VAUDB
390p
C418
27p
C419
27p
C420
2.2K
R410
2V62_VIO
2V62_VIO
10p
C421
1800
FB404
BLM15BD182SN1D
47
R411
220K
R412
1MEG
R413
NCS2200SQ2T2G
U402
2
3
1
4
5
VCC
VIN-
OUT
VIN+
GND
J400
KJA-PH-4-0171
M5_MIC
M4_L
M3_DETECT
ASSIST
M1_R
M6_GND
C31
27p
HOOK_DETECT
JACK_DETECT
HS_MIC_P
HS_MIC_N
FM_ANT
VMIC_GND
VMIC_GND
HS_3.5_R
HS_3.5_L
EAR_GND
EAR_GND
EAR_GND
3.5phi HEADSET
Содержание KM555
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