Circuit Diagrams - Samsung SCH-A310 Service Manual

13. Circuit Diagrams

13-1 Logic Circuit Diagram 1
1 2
RESOUT_N
RESETIN_N
SYNTH_LOCK
SLEEP_N
A
IDLE_N
TRK_LO_ADJ
R106
R107
18K
100 C103
C104
68NF
10NF
R117
4.7K
LNA_GAIN
C107
10NF
LNA_RANGE0
LNA_RANGE1
RX_AGC_ADJ
R124 R125
1K C127 1K
C128
4.7NF 10NF
R128
10K
Q_OFFSET
B
C129
100NF
R130
10K
I_OFFSET
C130
100NF
RX_QDATA0
RX_QDATA1
RX_QDATA2
RX_QDATA3
FM_RX_QDATA
FM_RX_IDATA
RX_IDATA2
RX_IDATA3
FM_RX_STB
CX8_FM_CLK
R131 PA_R0
1K
C142
33PF
R134
1K
C TX_AGC_ADJ
R135
1K
C153
C154
V_MSMA
5.6NF C155
10NF
100NF
PA_ON_PCS
C157
PA_ON_CELL
10NF
PA_IREF
CLOSE TO D5
Q_OUT_N
Q_OUT
I_OUT_N
I_OUT
R137
180K
C159 100NF
C161
C162 12NF R139 100NF
10K
R140 510K
C163 12NF
R141
10K C164
R142 100NF
180K
D C165 100NF
SPK_RX+
SPK_RX-
C167
1UF
R149
2.2K
C169
22NF
MIC+
MIC-
C171
22NF
R153
R154
0
2.2K
EAR_MIC+
C173 33UF R155 0
EAR_SPK+
6.3V
R156 30K
C174
H_TX_AUDIO
E
H_RX_AUDIO
C177
100NF
R159
10K
1 2
3
RESET
R101
C101
510
27PF V_PD
R102
C102
8.2K
27PF
OSC100
MC-146(32.768KHz,20ppm)
C106
R428
5PF
330
OSC110
CSTCW48MOX11047-RO
WDOG_EN
C126
5PF
R126
NC
TCXO_CLK
V_PD
R129
10K,5%
B9
PDM2
C8
PDM1
C10
SYNTH_LOCK
A8
SLEEP_N
B7
IDLE_N
B11
TRK_LO_ADJ
B12
LNA_GAIN
C7
LNA_RANGE0
C9
LNA_RANGE1
A11
RX_AGC_ADJ
B10
Q_OFFSET
A10
I_OFFSET
D13
C_RX_QDATA0
C13
C_RX_QDATA1
B13
C_RX_QDATA2
A13
C_RX_QDATA3
B14
U100
FM_RX_QDATA
B15
FM_RX_IDATA
C17
C_RX_IDATA2
C16
C_RX_IDATA3
A15
FM_RX_STB MSM5100-208FBGA
A14
CX8_FM_CLK
A9
PA_R0
D7
PA_R1
A12
TX_AGC_ADJ
C11
PA_ON2
D6
PA_ON
C4
DAC_IREF NO : 100 -- 199
A6
Q_OUT_N
B5
Q_OUT
B6
I_OUT_N
A7
I_OUT
F16
GND_RET
E15
CCOMP
G14
MICFBN
H17
MICINP
J17
MICOUTN
H16
MICOUTP
G16
MICINN
G15
MICFBP
L16
EAR10P
M17
EAR10N
G17
MICBIAS
J16
MIC1P
K17
MIC1N
H14
MIC2P
H15
MIC2N
C158 K14
EAR20
22NF J14 AUXIP
J15
AUX1N
L17
AUX0P
K16
AUX0N
C160
100NF
USB_VPO
USB_VMO
USB_OE_N
R145
USB_VPI
R146
USB_VMI
R147
USB_DATA
GPS_N
RX_ON
PS_HOLD
SCAN3
BACKLIGHT_EN
SCAN2
FM_N
SOFT_CON
R152
0
V_THM
C172
22NF
TH100
NTH5G1M33B103J04TH
100NF
C176 R157
10NF R158 5.6K
CMX_SPK- 33K
CMX_SPK+
3
SAMSUNG Proprietary-Contents may change without notice
4 5
REF
MSM : 130 ~ 145
AUDIO : 146 ~ 161
RF INTFACE : 162~182
S3.6
R110
91K,1%
SBDT
SBCK
SBST
H_DET
C105 R119
I_CON
100K,1%
100PF
TH_CON
THERM_DET
TDO
TDI
TMS
TRST_N
TCK
TMODE
TMODE
DP_TX_DATA
DP_RX_DATA
R127 U499
5.1K
1 1
2
SUSPND 2
3
AMP_ON 3
4
LCD_BLUE_N 4
5
SEND_END 5
6
LWR_N 6
GND
J-TAG
D(0:15)
R12
D(0)
D0
U10 D(1)
D1
R11 D(2)
D2
T10 D(3)
D3
U9 D(4)
D4
D5 P10 D(5)
R10 D(6)
D6
T9 D(7)
D7
D8 U8
D(8)
R9 D(9)
D9
T8 D(10)
D10
U7
D(11)
D11 C131
D12 R8
D(12)
10NF
T7
D(13)
D13
U6
D(14)
D14 A(0:20)
P7 D9
D(15)
D15
A0 N16 A(0)
N15 A(1)
A1
U12 A(2)
A2
A(3)
R13
A3
A(4)
A4 T12
U11 A(5)
A5
T11 A(6)
A6
A(7)
P11
A7
R7 A(8)
A8
T6 A(9)
A9
U5 A(10)
A10
A11 R6 A(11)
T5 A(12)
A12
T4 A(13)
A13
A14 R5 A(14)
C143
U4 A(15)
A15
10NF
T3 A(16)
A16
R4 A(17)
A17
A18 U3 A(18)
D5
U2 A(19)
A19
T2 A(20)
A20
N14
A(21)
GPIO_INT15|A21
M14
GPS
GPIO_INT31|A22 R15
ROM_CS1_N ROM_CS1_N
P4
REED_SW
GPIO_INT38|ROM_CS2_N
RAM_CS1_N P14
RAM_CS1_N
N4
TA_DET
GPIO_INT37|RAM_CS2_N
P6
LCD_CS2_N
GPIO_INT39|GPCS1
P12
LCD_CS1_N
GPIO_INT40|LCD_CSN
P13
SCAN4
GPIO_INT41|LCD_EN
R14
RD_N RD_N
P16
LWR_N
LWR_N
P15
HWR_N
L15
GND11
P9
GND10
L4
GND9
KEYSENSE0
KEYSENSE1
KEYSENSE2
KEYSENSE3
ON_SW_SENSE
CHG_ON
LCD_GREEN_N
GREEN_LED_N
LCD_ORANGE_N
RED_LED_N
AB_SEL
1K
PLL_DATA
1K
PLL_CLK
1K
PLL_EN
SCAN5
_ROM_WP
TCXO_EN
LB_N
EAR_DET TCXO_CLK
SCAN0
MOTOR_EN
SCAN1
SDA
SCL
PCS_BAND
J-TAG
TRST_N TRST_N
TDO TDO
TDI TDI
TMS
TMS
THERM_DET TCK TCK
LWR_N LWRN
V_BAT V_BAT
U495
C175
HP_PWR HP_PWR
10NF
DP_RX_DATA DP_RX_DATA
DP_TX_DATA DP_TX_DATA
Changed by Date Changed
EXCDMA
4 5
13-1
6 7
CN102
1
14
D(0:15) 1 14
R103 1.2K
D(7) 2 2 15 15
D(6) R105 1.2K
3 16
3 16
D(5)
R108 1.2K 4 17
4 17
R111 1.2K
D(4) 5 18
5 18
R113 1.2K
D(3) 6 6 19 19
D(2) R114 1.2K 7
7 20 20
D(1) R116 1.2K 8
8 21 21
D(0) R118 1.2K 9 22
9 22
10 10 23 23
SPK+
11
SPK- 11 24 24
R121 1.2K
12
12 25 25
LWR_N
LCD_BLUE_N 13 13 26 26
AXK6F26335J
REF : 100 ~ 110
V_MSMD
V_MSMD
V_PD
C132 C133 C134 C135 C136 C137 C138 C139 C140 C141
100NF 10NF 100NF 100NF 10NF 100NF 10NF 100NF 10NF 100NF
0
K4 M15
E14 M4
P8
C152
100PF
V_MSMA
V_MEM
V_MEM
C144 C145 C146 C147 C148 C149 C150
100NF 10NF 100NF 10NF 100NF 10NF 100NF
C156
D10 F15 L14
100NF
J5
J6
R143 22K H9
R144 22K K6
D6
R150 100
E5 RY/_BY
V_PD
C6
LWR_N
G8
LWR_N
U190
D(0:15)
1
VCC 8
A0
R136 D(0) J3
2
7 NC D(1) G4
A1 WP
D(2) K4 DQ2
3
SCL 6 D(3)
SCL H5
A2
D(4)
H6
4 5
GND SDA D(5) K7
SDA
D(6) G7
R138
D(7) J8
1K
D(8) K3
D(9) H4
AT24C256-10UI-2.7-T.R
D(10) J4
D(11) K5
D(12) J7
D(13) H7 DQ13
V_TCXO
D(14) K8 DQ14
D(15) H8
G3 VSS1
J9
U182
TC7S04FU(TE85L)
C166
5 NC 1
100NF VCC
F10 NC
2
IN G1
G10 NC
4 3
OUT GND L1
L5
C168
R148 L6 NC
100 10NF L10
M1
T CXO_IN
M10
R151
100K
C170
27PF
Engineer
EXCDMA
SCREW HOLE
Drawn by
KHS
R&D CHK
TITLE
DOC CTRL CHK
MFG CTRL CHK
REV
Time QA CHK
02
2002.07.23 09:00:00 am
6 7
8
S3.6
A
R104 0
V_LCD
SPK_RX+
R109 1.2K
A(1)
R112 0
LCD_CS2_N
RESETIN_N
R115 1.2K
LCD_CS1_N
BACKLIGHT_EN
SPK_RX-
R120 0
LCD_GREEN_N
LCD_ORANGE_N
1 3 4 5
ZD190
SMF05.TB
2
B
V_IF
V_MSMD V_LCD V_PD V_MEM
R132
L101 R133
0
0,5% ACZ1005M-152-T 0,5%
C151
33UF
6.3V
MEMORY
REF : 120
C
A(1:20)
VCCF
VCCS
A(1)
G2
CIOF A0
A(2)
F2
CIOS A1
A(3)
A2 E2
CE2S
A(4)
D2
A3
F3 A(5)
_WE A4 A(6)
E3
SA A5 A(7)
D3
A6
C3 A(8)
A7
C7 A(9)
A8
E7 A(10)
A9
A(11)
A10 F7
C8 A(12)
DQ0 A11
D8 A(13)
DQ1 A12
A(14)
E8
A13
A(15)
F8
DQ3 A14
U120 A(16)
D9
DQ4 A15
A(17) ROM_CS1_N
G9
DQ5 A16
A(18) RAM_CS1_N
F4
DQ6 A17
A(19)
E4
DQ7 A18
A(20)
D7 RD_N
DQ8 A19
E6
DQ9 A20 A(21)
DQ10 LB_N
DQ11
DQ12
_CEF H2
ROM_CS1_N
_CE1S J2
RAM_CS1_N
_OE H3
RD_N
DQ15/A-1
_LB C4
LB_N
D
D4
_UB A(0)
C5
_ROM_WP
_WP/ACC
D5
VSS2 RESOUT_N
_RESET
A1
NC
NC
A10
NC
NC B1
NC
NC B5
NC
B6
NC
B10
NC NC
C1
NC NC
E9
NC NC
F1
NC
F9
NC
DS42587
SAMSUNG
Size
E
D
MF_Rev02
Drawing Number
Sheet1
8