Table of Contents
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5. SCH-A212 Circuit Diagrams
1. LOGIC Circuit Diagram
1
2
RESET
SLEEP_CLK
MSM_TCXO
IMD_CTL
A
LOCK
LNA_GAIN
3.0_TCXO
R601
NC
1
SEND_END
R603
200K
2
3
C601
B
47NF
4
CN303
1
3
5
4
2
C
R611
2.2K
MIC
C605
Q_OFFSET
220PF
I_OFFSET
C604
33UF
6.3V
C142
SPK+
100NF
SPK-
3.0_TX
C603
C602
15NF
15NF
PA_R0
D
TX_AGC_ADJ
3.0_TCXO
PA_ON
R613
R612
IREF
1.5K
1K
3.0_MA
6.3V
C640
C144
10UF
100NF
10NF
C606
3.0_MP
C609
10NF
EAR_CTRL1
C611
100NF
R619
180K
E
3.0_MA
2K
R620
C613
100NF
D601
C614
NC
D602
RX_AUDIO
TX_AUDIO
F
R127
330
Q102
SVC_LED_ON
3
1
2
R132
Q101
330
ALT_LED_ON
3
1
G
2
CD
RI
DP_TX_DATA
ZD101
DP_RX_DATA
ZD102
6
4
3
1
5
6
4
3
H
5
2
2
1
2
3
4
5
C101
68NF
R101
10K
R103
C102
3.0_MP
4.7K
10NF
R105
330K
C103
10NF
U601
R602
NC
8
AOUT
VCC
7
A-
BOUT
JACK_S
6
A+
B-
3.0_MC
3.0_MP
R604
5
3.0_TCXO
GND
B+
100K
C108
C109
100NF
10NF
R606
R605
180K
100K
PDM2
B9
PDM1
C140
C8
R106
10NF
C10
SYNTH_LOCK
0
A8
SLEEP_N
SLEEP
B7
IDLE_N
TRK_LO_ADJ
B11
TRK_LO_ADJ
B12
LNA_GAIN
R147
1K
C7
LNA_RANGE0
R137
C9
LNA_RANGE1
R136
1K
RX_AGC_ADJ
A11
10K
RX_AGC_ADJ
Q_OFFSET
B10
I_OFFSET
A10
D13
C_RX_QDATA0
R138
C_RX_QD(0)
C13
C_RX_QDATA1
10K
C_RX_QD(1)
B13
C_RX_QDATA2
C_RX_QD(2)
C_RX_QDATA3
A13
C143
C_RX_QD(3)
FM_RX_QDATA
B14
100NF
C_RX_ID(0)
B15
FM_RX_IDATA
C_RX_ID(1)
C17
C_RX_IDATA2
C_RX_ID(2)
C_RX_IDATA3
C16
C_RX_ID(3)
FM_RX_STB
R139
A15
10K
A14
CX8_FM_CLK
CX8
A9
PA_R0
R140
1K
D7
PA_R1
TX_AGC_ADJ
A12
PA_ON2
C11
R141
PA_ON
D6
TX_QB
C4
DAC_IREF
1K
TX_Q
A6
Q_OUT_N
TX_IB
B5
Q_OUT
C145
C146
TX_I
I_OUT_N
470PF
B6
10NF
I_OUT
A7
R614
F16
GND_RET
180K
C607
C608 100NF
E15
CCOMP
100NF
R616
MICFBN
G14
C622
MICINP
10K
10NF
R618
H17
100NF
C610
J17
MICOUTN
C612
100NF
H16
MICOUTP
10K
G16
MICINN
MICFBP
G15
EAR10P
L16
EAR10N
M17
MICBIAS
R621
NC
G17
J16
MIC1P
K17
MIC1N
MIC2P
C615
H14
R622
MIC2N
100NF
H15
1K
K14
EAR20
J14
AUX1P
AUX1N
J15
AUX0P
L17
K16
AUX0N
R625
R626
NC
NC
C616
10NF
C617
R628
100NF
39K
TCXO_ON_OFF
MSM_INT
PLL_EN
C618
PLL_CLK
100NF
C619
C620
PLL_DATA
100NF
10NF
PS_HOLD
C621
JACK_S
10NF
V_F_CON
SCL
SDA
EL_EN_A
3.0_MP
R130
R131
100K
1.2K
C123
10NF
HALL_EFFECT_IC
C124
100NF
C125
C126
C127
1NF
1NF
1NF
3.0_MP
U106
DTR
CTS
DSR
1
8
A0
RTS
VCC
7
2
R133
WP
A1
200K
3
1
6
SCL
A2
SCL
4
5 SDA
GND
SDA
R134
1K
3
4
5
SAMSUNG Proprietary-Contents may change without notice
6
7
8
3.0_MP
R108
100
R104
47K
3.0_MP
R109
15K
C104
C105
470PF
470PF
R169
47K
R170
100
R171
C161
100
C162
470PF
470PF
3.0_MP
3.0_MA
R110
R111
22K
470
R149
10K
R115
C114
C115
100
470PF
470PF
AD(0:15)
A(0:20)
D0
R12
AD(0)
D1
U10
AD(1)
D2
R11
AD(2)
D3
T10
AD(3)
D4
U9
AD(4)
D5
P10
AD(5)
D6
R10
AD(6)
D7
T9
AD(7)
D8
U8
AD(8)
D9
R9
AD(9)
D10
T8
AD(10)
D11
U7
AD(11)
D12
R8
AD(12)
D13
T7
R121
AD(13)
D14
U6
NC
AD(14)
D15
P7
AD(15)
A0
N16
A(0)
A(21)
A1
N15
A(1)
A2
U12
A(2)
A3
R13
A(3)
A4
T12
A(4)
A5
U11
A(5)
RAM_CS1
A6
T11
A(6)
A7
P11
A(7)
U609
RAM_CS2
A8
R7
A(8)
A(0)
A9
T6
A(9)
A10
U5
A(10)
RESET
A11
R6
A(11)
R123
A12
T5
A(12)
10K
A13
T4
A(13)
A14
R5
A(14)
A15
U4
A(15)
C116
A16
T3
A(16)
10NF
A17
R4
A(17)
A18
U3
A(18)
A19
U2
A(19)
A20
T2
A(20)
A21
N14
A(21)
A22
M14
A(22)
ROM_CS1_N
R15
ROM_CS2_N
P4
RAM_CS1_N
P14
RAM_CS1
RAM_CS2_N
N4
RAM_CS2
GP_CS_N
P6
GP_CS
LCD_CS_N
P12
LCD_EN
P13
LCD_EN
RD_N
R14
LWR_N
P16
LWR
HWR_N
P15
TP107
GND12
L4
GND11
P9
GND10
L15
3.0_MP
R124
47K
R128
100
R129
100
C119
C120
C121
C147
1NF
1NF
1NF
1NF
1
2
MIC
1
2
3
4
3
4
5
6
5
6
7
8
7
8
KEY3
9
10
9
10
11
12
11
12
13 13
14
ALT_LED_ON
14
SVC_LED_ON
15
16
VBATT
15
16
ON_SW
17
18
3.0_MP
17
18
LED_ON
HALL_EFFECT_IC
19
20
19
20
BUZZER
EL_EN_A
J101
9
10
G G
AD(6)
4 IN
AD(4)
IN
3
AD(2)
IN
2
AD(0)
IN
1
F102
RESET
SPK+
6
7
8
5-1
9
10
SBDT
SBCK
SBST
DP_TX_DATA
DP_RX_DATA
DP_TX_DATA2
DP_RX_DATA2
3.0_MP
CTS
C113
C112
RTS
100NF
100PF
3.0_MP
U103
A(1:18)
A(1:20)
J5
VCCF
J6
VCCS
200K
G2
H9
R117
A(1)
A0
CIOF
F2
K6
A(2)
R118
200K
A1
CIOS
E2
D6
A(3)
A(18)
A2
CE2S
A(22)
D2
E5
A(4)
A(17)
A3
RY/_BY
F3
C6
A(5)
A4
_WE
LWR
A(16)
E3
G8
A(6)
A5
SA
A(15)
D3
A(7)
A6
A(14)
C3
A(8)
A(13)
A7
C7
A(9)
A8
A(12)
E7
A(10)
A9
A(11)
F7
AD(0:15)
A(11)
A10
A(10)
C8
J3
A(12)
AD(0)
A(9)
3.0_MP
3.0_MP
A11
DQ0
D8
G4
A(13)
AD(1)
A(8)
A12
DQ1
A(14)
E8
K4
AD(2)
A(7)
A13
DQ2
F8
H5
A(15)
A14
DQ3
AD(3)
A(6)
D9
H6
A(16)
AD(4)
A(5)
A15
DQ4
G9
K7
A(17)
AD(5)
A(4)
A16
DQ5
F4
G7
A(18)
AD(6)
A(3)
A17
DQ6
E4
J8
A(19)
AD(7)
A(2)
A18
DQ7
D7
K3
A(20)
A19
DQ8
AD(8)
A(1)
E6
H4
A20
DQ9
AD(9)
J4
DQ10
AD(10)
K5
AD(11)
DQ11
RAM_CS1
J7
DQ12
AD(12)
A(21)
H2
H7
_CEF
DQ13
AD(13)
LWR
J2
K8
_CE1S
DQ14
AD(14)
A(0)
H3
H8
AD(15)
_OE
DQ15/A-1
RAM_CS2
C4
_LBS
D4
_UBS
C5
G3
_WP/ACC
VSS1
D5
J9
_RESET
VSS2
R122
200K
F10
NC
A1
G1
NC
NC
A10
G10
NC
NC
B1
L1
NC
NC
B5
L5
NC
NC
B6
L6
NC
NC
B10
L10
NC
NC
C1
M1
NC
NC
E9
M10
NC
NC
F1
NC
F9
NC
PA
Q160
3
R160
2
2
1
10K
D160
R161
1
3
2K
VIBRATOR
Q161
3
C160
1UF
C_F
10V
NC
R162
1
2
CD
RINGER
RI
R125
C117
ON_SW_SENSE
VBATT
100
100PF
R126
C118
V_F1
100
100PF
SEND_END
DSR
ZD601
DTR
R166
0
GP_CS
R167
0
LWR
R168
NC
A(2)
LCD_EN
F101
RX_AUDIO
F104
C_F
DSR
TX_AUDIO
DP_RX_DATA
DP_TX_DATA
HP_PWR
RI
J102
CD
10
9
1
2
1
2
3
4
3
4
G
G
5
6
5
6
OUT
IN 4
AD(7)
7
8
8
OUT
7
8
8
9
10
9
10
7 OUT
IN 3
AD(5)
C128
C129
11
12
OUT
11
12
10NF
3.3NF
7
13
14
13
14
OUT
IN
AD(3)
6
2
OUT
15
15
16
16
6
17
18
OUT
IN
AD(1)
17
18
19
5
1
20
OUT
19
20
5
Engineer
F103
LJC
Drawn by
3.0_MP
LJC
VIBRATOR
R&D CHK
SPK-
DOC CTRL CHK
MFG ENGR CHK
Changed by
Time Changed
QA CHK
Date Changed
2001.10.08
LJC
5:00:42 pm
9
10
11
12
A
VBATT
DGND
HP_PWR
DP_RX_DATA
DP_TX_DATA
LWR
3.0_MP
B
C110
C111
100PF
100NF
AD(0:15)
1E
6D
VCC1
VCC2
3D
1G
AD(15)
A17
I/O16
4E
1F
AD(14)
A16
I/O15
4F
2F
A15
I/O14
AD(13)
3F
2E
A14
I/O13
AD(12)
4G
2D
A13
I/O12
AD(11)
3G
2C
AD(10)
A12
I/O11
C
5H
1C
A11
I/O10
AD(9)
4H
1B
A10
I/O9
AD(8)
3H
6G
A9
I/O8
AD(7)
2H
6F
AD(6)
A8
I/O7
4D
5F
AD(5)
A7
I/O6
4C
U101
5E
AD(4)
A6
I/O5
3C
5D
A5
I/O4
AD(3)
4B
6C
AD(2)
A4
I/O3
3B
5C
AD(1)
A3
I/O2
5A
6B
AD(0)
A2
I/O1
4A
A1
3A
2G
A0
NC1
1H
NC2
2A _OE
3E
NC3
5B
6H
_CS1
NC4
6A
CS2
5G
_WE
2B
1D
_UB
VSS1
6E
1A
_LB
VSS2
D
E
VCON1
1
1
2
2
3
C651
3
NC
F
VCON2
1
1
2
2
3
3
C641
100NF
V_F1
CN101-1
F100
1
12
V_F
2
13
G
RTS
3
14
R172
0
VBATT
4
15
VBATT
5
16
CTS
6
17
DTR
7
18
R173
NC
8
19
DP_RX_DATA2
9
20
10
21
DP_TX_DATA2
11
22
R174
NC
R175
0
H
COMPANY NAME
Address
City
Size
TITLE
SCH-A212
(i)
(LOGIC)
REV
Drawing Number
Sheet
1
of
3
3.0
11
12
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