
Headset / UART SW
EAR_MIC
SPEAKER
MAIN_MIC
OVP
VCHG_5V
C319
NC
21
22 NC
NC
25
26
NC
NC 27
OUT 1
8 S1
10
S2
G1
4
1
3
G2
GND 19
20 IN
2 NC
12 NC
16 NC
NC
17
D1
7
D1
23
D2 9
D2 11
D2 13
24
D2
18
EN
FLAG 15
U300
4 D1
D1
5
6 D1
ZD300
1
5
VCC
TA300
U301
4
COM
2 GND
IN 6
NC
3
NO
C307
VBAT
R305
MIC_BIAS
R304
C301
MIC300
VBAT
C311
R300
R303
R309
C305
C322
R301
R312
C310
ZD301
C304
C308
R308
C317
R311
C314
C300
C303
C316
ZD302
C313
R306
C312
R302
R310
9 D2
D
N
G
6
SEL1 4
SEL2
8
1
C
CV
VBAT
U302
1S
1
2
5
1S2
2S1
10
7
2S
2
3
D1
C321
R307
C318
C306
C315
ZD303
C320
EAR_P
EARP_CTS
VCM_OUT
UART_SW
VCM_RTS
UART1_RTS
UART1_CTS
C302
VCM_OUT
VCHG_P
ICHGP
CHG_SW
CHG_REG
ICHGN
EAR_MIC_P_IF
MIC_P
MIC_N
VCM_RTS
MONO_SEL
SPK_N
SPK_P
EAR_MIC_N
EAR_SW_REF
EAR_MIC_P
EAR_MIC_N_IF
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO’S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
Servic Schematics