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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. BB Circuit Technical brief
GW520 service manual
3.13.3 Headset circuit
[Figure 3.13.3-1] Headset circuit diagram
2
SFEY0006501
NFM21PC105B1A3
FL300
3
G1
G2
4
IN
1
OUT
C314
10p
L300
270nH
CN301
1
10
11
2
3
4
5
6
7
8
9
ENRY0008101
GU071-5P-SD-E1500
R306
220
HB-1T1005-221JT
220
R305
VBUS_USB
MUIC_ID
FM_ANT
MUIC_DP
MUIC_DM
MUIC
FB303
FB302
HB-1M1005-102JT
DNI
R310
RPWRON_EN
VBUS_USB
VBAT
300K
R309
TP301
TP300
C320
56p
C326
0
R300
2.2u
27p
C321
27p
C305
22n
C319
C311
22n
0.1u
C306
0.1u
C303
C327
2.2u
R301
2.2K
100K
R302
2V62_VIO
VBAT
TP304
FB301
BLM15BD182SN1D
R308
2.2K
C324
120p
C315
27p
2.2u
C316
R304
2.2K
A1
MIC
B1
RES
C2
SCL
C1
SD
A
U1
B3
U2
A3
UID
B4
D5
VB
D4
AUD1
D3
AUD2
BAT
D2
CAP
D1
C5
COM1
B5
COM2
DN1
A4
DP2
A5
GND
C4
C3
IC
B2
INT
A2
ISET
U301
MAX14526EEWP_TCC6
EUSY0371201
MUIC_ID
HS_MIC_P
HS_MIC_N
USB_DM
USB_DP
I2C3_SDA
I2C3_SCL
MUIC_DP
MUIC_DM
UART_TX
HSO_L
MUIC_INT
UART_RX
HSO_R
Содержание GW520
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