Samsung SCH-A212, Service Manual

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5-1
G
H
Time Changed
TITLE
DOC CTRL CHK
1
7
COMPANY NAME
E
REV
2
Changed by Drawing Number
Sheet
12
C
B
9
E
QA CHK
6
Engineer
MFG ENGR CHK
4
3.0
7
Drawn by
City
D
B
6
10
C
8 3 5
8
G
1
A
of Date Changed
SCH-A212
(LOGIC)
2
10
R&D CHK
3
11
D
F F
5
Size
1
11 4
Address
A
12 3
9
H
(i)
TMS
LJC
2001.10.08
5:00:42 pm
LJC
LJC
TDO TDI
C612 100NF
DP_RX_DA
T
A
10V
1UF
C160
R619
NC
180K
6
7
7 8
8
9
9
R174
17 17 18 18
19
19
2
2
20
20
3
3 4
4
5
5 6
1
1
10
10
11
11 12
12
13 13 14 14
15
15 16
16
J101
470
470PF
C114
R115
R111
22K
100
R110
3.0_MP
C115
470PF
3.0_MP
8
7
WP
100K
R604
U106
1
A0
A1
2
A2
3
4
GND
SCL
6
5 SDA
VCC
R118 200K
100NF
C618
C113
100NF
C104
470PF
15K
R109
C129
3.3NF
10NF
C128
R172 0
NC R173
4
3
TRST_N TCK
100NF
C651
NC
C124
10NF
R603 200K
C622
F100
R175
0
200K
R122
100PF
10NF
C616
C112
100PF
C110
100NF
C615
C608 100NF
T103
100NF
2
3
4
5
C607
NC
CN303
1
100
R125
R621
1NF
C147
8
OUT
NC
R625
10
G
1
IN
2
IN
IN
3
IN
4
5
OUT OUT
6 7
OUT
F104
G
9
470PF
C105
C107 100NF
R601
3.0_MP
C121
NC
ZD102
2
1 3
5
4 6
1NF
100
R170
47K
R169
R126
100
470PF
3.0_TCXO
Q160
2
3
1
C145
22
19
21
F101
20
R149
T106 T104
10K
T101 T102
100PF
C117
T105
10K
2.2K
R611
NC
R160
R121
R140 1K
R108
100
R104
47K
3.0_MP
470PF
C162
R171
100
C161
470PF
2
R167 0
D160
3
1
ZD601
100NF
C142
C613 100NF
1NF
C126
1K
R137
R129
3.0_MA
100
R626
C614
NC
NC
C606
10UF
6.3V
L14
VDD_C1
D9 K4
VDD_C2 VDD_C3
M15 E14
VDD_P1 VDD_P2
M4 P8
VDD_P3
WDOG_EN
M16 U15
XT
AL48_IN
XT
AL48_OUT
U14
Y
AMN1
C12 A5
TDO
TMODE
B17 C3
TMS
TRK_LO_ADJ B11
C6
TRST_N
TX_AGC_ADJ A12
VDD_A1
D5 D10
VDD_A2 VDD_A3
F4 F15
VDD_A4 VDD_A5
RX_AGC_ADJ
SBCK
A1 B1
SBDT
B2
SBST
A8 SLEEP_N
SLEEP_XT
AL_IN
T17 R17
SLEEP_XT
AL_OUT
SYNTH_LOCK C10
D4
TCK
TCXO
A17
TDI
B4
N4
R14
RD_N
N17
RESIN_N
RESOUT_N
P17
RFR_N
E17 J3
RFR_N2
RINGER
C14
R15 ROM_CS1_N
P4 ROM_CS2_N
RSVD1
A16 B16
RSVD2
A11
PA_ON D6
C11 PA_ON2
PA_R0
A9
D7
PA_R1
C8 PDM1
PDM2 B9
Q_OFFSET B10
B5 Q_OUT
Q_OUT_N A6
P14
RAM_CS1_N
RAM_CS2_N
H15
H14
MIC2P
MICBIAS
G17
G14 MICFBN
G15 MICFBP
MICINN G16
MICINP H17
J17 MICOUTN
MICOUTP
H16
U17
MODE0
R16
MODE1
KEYSENS2 KEYSENS3
G1 H2
KEYSENS4
LCD_CS_N P12
LCD_EN
P13
LNA_GAIN B12
LNA_RANGE0 C7
C9
LNA_RANGE1
LWR_N
P16
K17 MIC1N
J16
MIC1P
MIC2N
HKADC4
G3 F1
HKADC5 HKADC6
G2
P15
HWR_N
B7 IDLE_N
A10
I_OFFSET
I_OUT A7
B6 I_OUT_N
E3
KEYSENS0 KEYSENS1
D2 D1
U13
P2
GPIO5
R3
GPIO6
N1
GPIO7 GPIO8
P3 N2
GPIO9
P6
GP_CS_N
HKADC0
E2 F3
HKADC1 HKADC2
E1 F2
HKADC3
C1 D3
GPIO33 GPIO34
E4 A3
GPIO35 GPIO36
C2
GPIO4
P1
T14
GPIO42 GPIO43
U16 T15
GPIO44 GPIO45
T16 T13
GPIO46 GPIO47
J2
GPIO22 GPIO23
K3
J1
GPIO24 GPIO25
K2
GPIO26
L3
GPIO27
A4 B8
GPIO28 GPIO29
A2 R1
GPIO3
B3
GPIO30 GPIO32
GND_RET
GPIO0
U1
GPIO1
T1
GPIO10
M1 N3
GPIO1
1
GPIO12
M2
L1
GPIO13 GPIO14
M3
L2
GPIO16 GPIO17
K1
GPIO2
R2
GND10
GND11
P9
L4
GND12
GND2
P5
GND3
G4
GND4
C5
D1
1
GND5 GND6
K15 F14
GND7 GND8
H3 D8
GND9
F16
DP_RX_DA
T
A
2
J4 D17
DP_TX_DA
T
A
H1
DP_TX_DA
T
A
2
M17
EAR10N
EAR10P L16
K14
EAR20
FM_RX_IDATA
B15
B14
FM_RX_QDATA
A15
FM_RX_STB
D12
GND1
L15
P7
R11 D2
D3
T10
U9
D4
D5
P10
R10
D6
D7
T9
U8
D8
D9
R9
DAC_IREF
C4
D16
DP_RX_DA
T
A
D13
C_RX_QDATA1
C13
B13
C_RX_QDATA2
C_RX_QDATA3
A13
R12 D0
D1
U10
T8 D10
D11
U7
R8
D12
D13
T7
U6
D14
D15
D15
AUX_PCM_CLK
AUX_PCM_DIN
E16 D14
AUX_PCM_DOUT
F17
AUX_PCM_SYNC
CCOMP E15
C15
CTS_N
CTS_N2
H4
A14 CX8_FM_CLK
C17
C_RX_IDATA2
C_RX_IDATA3
C16
C_RX_QDATA0
R13
T12
A4
A5 U11
T11
A6
A7 P11
R7 A8
A9 T6
AUX0N
K16
AUX0P
L17
AUX1N
J15
AUX1P
J14
T4
A14 R5
A15 U4
T3 A16
A17
R4
U3 A18
A19
U2
U12
A2
T2 A20
A21
N14
M14
A22
A3
U609
N16
A0
A1
N15
U5 A10
A11
R6
T5 A12
A13
15
3.0_MC
3.0_MP
10NF
C146
C143
100NF
C116
10NF
C103
10NF
8
R132
330
10NF
10K
R138
C123
D602
100NF
C617
R147 1K
10NF
C109
VSS1
VSS2
6E
5B
_CS1
1A
_LB
2A
_OE
2B
_UB
_WE
5G
3.0_MP
I/O8
1B
I/O9
2G
NC1
NC2
1H
3E
NC3
NC4
6H
VCC1
1E 6D
VCC2
1D
I/O15
I/O16
1G
5C
I/O2
6C
I/O3
I/O4
5D
5E
I/O5
I/O6
5F
I/O7
6F
6G
CS2
6A
I/O1
6B
I/O10
1C
I/O11
2C
2D
I/O12
I/O13
2E
2F
I/O14
1F
5A
A2
A3
3B
4B
A4
A5
3C
4C
A6
A7
4D
2H
A8
A9
3H
4H
A10
A11
5H
3G
A12
A13
4G
3F
A14
A15
4F
4E
A16
A17
3D
U101
3A
A0
A1
4A
4.7K
R103
2
3.0_TCXO
R166 0
NC
100NF
C641
R162
470K
R617
IN
2
IN
IN
3
IN
4
5
OUT
OUT
6
7
OUT
8
OUT
3.0_TCXO
F103
G
9 10
G
1
7
6
C108
GND
4
8
VCC
17
100NF
3
A+
A-
2
1
AOUT
5
B+
B-
6
BOUT
7
VCON1
1
1
2
2
3
3
U601
DGND
1K
R622
15NF
C603
100NF
C611
3.0_MP
R616
10NF
C140
10K
18
R605
13
3.0_MP
100K
12
1.5K
R612
0
R134 1K
R130
R106
PA
100K
200K
10
R133
_WE
C5
_WP/ACC
C601
47NF
G3
J9
VSS2
J2
_CE1S
_CEF
H2
_LBS
C4
_OE
H3
_RESET
D5
_UBS
D4
C6
B10
C1
NC
NC
E9
F1
NC
E5
RY/_BY
SA
G8
J5
VCCF
VCCS
J6
VSS1
NC
L10
NC
NC
M1
NC
M10
NC
A10
B1
NC
NC
B5
B6
NC
NC
H4
A1
NC
NC
F9
F10
NC
NC
G1
NC
G10
L1
NC
NC
L5
L6
H8
DQ2
K4
H5
DQ3
DQ4
H6
K7
DQ5
G7
DQ6
DQ7
J8
K3
DQ8
DQ9
CIOS
DQ0
J3
G4
DQ1
J4
DQ10
DQ11
K5
J7
DQ12
DQ13
H7
K8
DQ14
DQ15/A-1
A4
E3
A5
A6
D3
A7
C3
C7
A8
A9
E7
CE2S
D6
CIOF
H9
K6
D9
G9
A16
A17
F4
E4
A18
A19
D7
E2
A2
E6
A20
A3
D2
F3
G2
A0
A1
F2
F7
A10
A11
C8
A12
D8
A13
E8
A14
F8
A15
3
2
U103
Q102
1
R620
C125
1NF
VBA
TT
2K
14
3.0_MP
C602
15NF
R136
10K
1NF
C119
R606
180K
100PF
11
C118
R614
180K
R141
1K
330
R127
3.0_MP
10NF C609
C620
10NF
2
1 3
5
4 6
R602
NC
NC
ZD101
R168
100NF C122
3.0_MP
16
R139
10K
3.0_MP
3.0_MA
Q101
1
3
2
CN101-1
1
20
3
3 4
4
5
5 6
6
7
7 8
8
9
9
13
14
14
15
15 16
16
17
17 18
18
19
19
2
2
20
J102
1
1
10
10
11
11 12
12
13
10NF
C621
C605
47K
R124
220PF
R618
10K
R117
200K
10NF
C144
3.0_MP
3
3
1NF
C127
VCON2
1
1
2
2
3.0_TX
100NF
C111
C619
HP_PWR
F_WE
100NF
5
1K
R613
C106 10NF
10K
D601
R101
R161
2K
10NF
C102
9
3.0_MP
DP_TX_DA
T
A
3.0_MP
100NF C610
6.3V
33UF
R105
C604
330K
68NF
C101
C120
1NF
3.0_MP
IN
4
IN
OUT
5
6
OUT
7
OUT
OUT
8
2
F102
9
G G
10
IN
1
2
IN
3
Q161
1
3
100 R128
100NF
39K
C640
10K
R628
3.0_MA
TP107
R123
R131
1.2K
DP_TX_DATA
DP_RX_DATA
RTS
CTS
DP_TX_DATA2
DP_RX_DATA2
LWR
EAR_CTRL1
SPK+
LNA_GAIN
DP_RX_DATA2
DP_TX_DATA2
DTR
CTS
VBATT
VBATT
RTS
V_F1
V_F
CD
RI
HP_PWR
DP_TX_DATA
DP_RX_DATA
TX_AUDIO
C_F
DSR
RX_AUDIO
SBDT
SBCK
SBST
HP_PWR
DGND
VBATT
LWR
A(21)
GP_CS
LWR
GP_CS
TCXO_ON_OFF
A(21)
HP_DET
C_F
MIC
A(2)
AD(5)
AD(1)
AD(6)
AD(4)
AD(2)
AD(0)
EL_EN_A
LCD_EN
AD(7)
AD(3)
VBATT
RAM_CS1
RAM_CS2
RESET
HALL_EFFECT_IC
V_F1
VIBRATOR
RESET
SPK+
LED_ON
ALT_LED_ON
ON_SW
SVC_LED_ON
KEY3
VBATT
SPK-
VIBRATOR
HALL_EFFECT_IC
BUZZER
MIC
SLEEP
DP_TX_DATA
DP_RX_DATA
PS_HOLD
RINGER
RX_AGC_ADJ
PA_ON
EL_EN_A
DTR
DSR
TX_AGC_ADJ
IREF
SPK-
A(0)
A(0)
RAM_CS2
LWR
RAM_CS1
RAM_CS1
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
AD(1)
AD(2)
AD(3)
AD(4)
AD(5)
AD(6)
AD(7)
AD(8)
AD(9)
AD(10)
AD(11)
AD(12)
AD(13)
AD(14)
AD(15)
AD(0:15)
MSM_INT
SDA
PLL_DATA
JACK_S
PLL_CLK
SEND_END
ALT_LED_ON
SVC_LED_ON
SCL
PLL_EN
CD
SCL
SDA
LOCK
A(0:20)
AD(0)
A(1:18)
A(1)
A(2)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
C_RX_QD(1)
C_RX_QD(2)
C_RX_QD(3)
C_RX_ID(1)
C_RX_ID(2)
C_RX_ID(3)
TRK_LO_ADJ
A(22)
LWR
DP_RX_DATA
DP_TX_DATA
RI
CD
RTS
DSR
CTS
DTR
RI
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
A(19)
TX_AUDIO
JACK_S
SEND_END
RX_AUDIO
IMD_CTL
SLEEP_CLK
Q_OFFSET
I_OFFSET
AD(0:15)
AD(1)
AD(2)
AD(3)
AD(4)
AD(5)
AD(6)
AD(7)
AD(8)
AD(9)
AD(10)
AD(11)
AD(12)
AD(13)
AD(14)
A(1)
A(2)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
A(10)
A(11)
A(12)
A(6)
A(7)
A(8)
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
A(19)
A(20)
AD(0:15)
AD(0)
AD(1)
AD(2)
AD(3)
AD(4)
AD(5)
AD(6)
AD(7)
AD(8)
AD(9)
AD(10)
AD(11)
AD(12)
AD(13)
AD(14)
AD(15)
A(0)
A(20)
A(21)
A(22)
CX8
C_RX_QD(0)
AD(0)
AD(15)
C_RX_ID(0)
V_F_CON
TX_I
TX_IB
ON_SW_SENSE
LCD_EN
PA_R0
TX_Q
TX_QB
RAM_CS2
RESET
MSM_TCXO
A(1)
A(1:20)
A(2)
A(3)
A(4)
A(5)
5. SCH-A212 Circuit Diagrams
1. LOGIC Circuit Diagram