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SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS COS PROPERTY
DO NOT DISCROSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
Service Schematics
FM RADIO
C424
R410
R400
VBAT
C401
C400
13
ROUT
RST
5
7
SCLK
SDIO
8
6
SEN
VDD
11
10
VIO
17
14
LOUT
LPI
4
NC
1
NC
20
22
NC
NC
23
RCLK
9
3 RFGND
DFS
16
DOUT
15
FMI
2
12
GND
21
GND
19
GPO1
18
GPO2|_INT
GPO3|DCLK
VCCD_2.9V
U401
VCCD_1.9V
C421
RCV400
R404
R406
C402
C408
C412
C420
R412
C404
C407
C410
R409
C415
R401
L402
C418
R403
L404
C414
C409
C405
C403
R405
C413
C406
C422
L403
R408
C417
C416
C411
C419
C423
L400
L401
R402
GND1
2
GND
GND2
3
GND
OUT
4
OUT
POWER
1
POWER
R411
MIC400
R407
C5
INA2
D1
INA1
D2
GND
D3
RXIN-
D4
OUT-
D5
B2
SDA
B3
RXIN+
B4
OUT+
B5
INB2
C1
INB1
C2
SCL
C3
PGND
C4
PVDD
1
NC
2
HPR
A1
HPL
A2
VSS
A3
C1N
A4
C1P
A5
VDD
B1
BIAS
U400
NC
ZD400
ZD401
ZD402
EAR_MIC_P
USB_SDA_1.8
FM_SDA_1.8
USB_SCL_1.8
FM_SCL_1.8
PCM_RXD
PCM_SYNC
PCM_CLK
BT_PCM_CLK
BT_PCM_OUT
BT_PCM_SYNC
SPK_N
SPK_P
PCM_SYNC
PCM_RXD
FM_ANT
PCM_CLK
FM_SDA_1.8
AMP_SDA_2.8
HI_MONO_OUT_N
HI_MONO_OUT_P
AMP_SCL_2.8
RTC_CLK
FM_BUS_EN
FM_INT
FM_SCL_1.8
RADIO_L
RADIO_R
LO_MONO_OUT_P
EAR_R
EAR_L
MONO_OUT_P
MONO_OUT_N
MONO2_IN_N
MONO2_IN_P
MONO1_IN_P
VAMICREF
MICBIAS_EAR_2.6V
LO_MONO_OUT_N