Schematic Diagrams - Samsung SCH-A205 Service Manual

9. Schematic Diagrams

9-1 Logic Circuit Diagram (1)
+3.0V
R141 R140
100K
100
RTS
C140
100PF
SYNTH_LOCK
PA_ON
PA_R0
TRK_LO_ADJ
R142
100
DP_RX_DATA
TD
RXD
DP_TX_DATA
RD
TXD
R143
100
CTS
R145
100
DTR
C143 C142
470PF 100PF
R153
20K
TX_AGC_ADJ
RX_AGC_ADJ
X110
C154
CSTCW2700MX03
10NF
1
2
6
4
3 5
R105
750
R106
10K
R107
NC
R155
4.7K
C155
10NF
LNA_GAIN
PLL_DATA
+3.0V
HP_PWR
R123
2.2K
GATE PS_HOLD
R122
R128
100K
100K
V_BATT
R124
100K
3
3
Q121 1 1 Q122
2SC4081BRT106 DTC144EE/TR
2 R126 2
R125 100K
C131
100K 1NF
R127
4.7K
ON_SW
1
2
3
TPS76928DBVR
V_DC
Q120
SI3443DV-T1
1 2 5 6
3
GATE
G C123
4 C124
33UF
100NF
V_BATT
6.3V
C120 C121
C122
33UF 33UF
100NF
6.3V
6.3V
HALL_ON
CONFIDENTIAL
SAMSUNG Proprietary - Contents may change without notice
TX_IQDATA(0:7)
TX_IQDATA(7)
TX_IQDATA(6)
TX_IQDATA(5)
TX_IQDATA(4)
TX_IQDATA(3)
TX_IQDATA(2)
TX_IQDATA(1)
TX_IQDATA(0)
R150
0
R152
R151 C151
56K
0 22NF
R144
470
C145
C144
100PF
470PF
4K
SYNTH_LOCK
4L
PA_ON
3L
PA_R0
1N
PA_R1
3N
TRK_LO_ADJ
3K
TX_AGC_ADJ
1M
RX_AGC_ADJ
2N
LNA_RANGE
R154 7P
GPIO25
7M
4.7K SCAN_5 GPIO23
8N
SCL GPIO26
8L
KEYLED_ON GPIO27
11B
PCM_CLK PCM_CLK
11C
PCM_SYNC PCM_SYNC
12A
PCM_DIN PCM_DIN
13A
PCM_DOUT PCM_DOUT
12B
WDOGSTB_PCMSCS
10B
AUX_PCM_CLK
10C
AUX_PCM_SYNC
10D
RX_DATA2 AUX_PCM_DIN
11A
TX_DATA2 AUX_PCM_DOUT
7N
SCAN_6 GPIO24
10N
A20 GPIO_INT4
4N
RINGER_ON RINGER
10M
XTAL_IN
12P
XTAL_OUT
10L
WDOG_EN
13M
LNA_GAIN
_TMS 5B
+3.0V TMS TMS
_TCK 7C
TCK
TCK
R100 _TDO 7A
TDO TDO
0 TDI _TDI 8A
TDI
R156 8C
_TEST
9B
TRST _TRST
NC EL_ON1 GPIO14
9C
_RX_ON GPIO15
9D
ALT_LED GPIO16
6B
GPIO8
7D
PLL_CLOCK GPIO9
7B
RX_EN GPIO10
9A
VIBRATOR GPIO13
6M
SCAN_1 GPIO19
6N
SCAN_2 GPIO20
6P
SCAN_3 GPIO21
8D
TCXO_CON GPIO12
9M
R146 _RESIN _RESIN
11P
RESOUT RESOUT
100 3A
ON_SW_SENSE KEYSENSE4
6A
DSR GPIO7
9P
HALL_ON GPIO_INT0
ON_SW_SENSE C146 C116
100PF 10NF
16V
U121
2 5
GND _RESET _RESIN
1
SRT C130
+3.0V
100NF
3 4
VCC2 VCC1
C129 R121 KEY_0
LP3470IM5X-2.63 47K KEY_1
33NF
KEY_2
U120
CD
5
IN OUT +3.0V
GND C147
C127 C128
C126
NC/FB 4 100PF
_EN 100PF
10NF 10UF
6.3V
C125
NC
GND
SCAN_6
SCAN_5
SCAN_4
SCAN_3
SCAN_2
SCAN_1
SCAN_0
KEY_3
KEY_2
KEY_1
KEY_0
V_BATT
V_DC
ON_SW
SVC_LED
ALT_LED
MIC+
+3.0V
BUZZER-
LED_ON
5 4 3 1 5 4 3 1
1 3 4 5 1 3 4 5
ZD161 ZD162
ZD160 ZD163
2 2
2 2
SMF05.TB SMF05.TB SMF05.TB SMF05.TB
C_RX_IDATA(0:3)
C_RX_IDATA(0)
C159
C_RX_IDATA(1)
C_RX_QDATA(0:3)
C_RX_IDATA(2) 8.2NF
R159
C_RX_IDATA(3)
20K
C_RX_QDATA(0) X100
C_RX_QDATA(1)
MC-146(32.768KHz,20ppm)
C_RX_QDATA(2)
C_RX_QDATA(3)
C115
C114
47PF
47PF
C157
100NF
R157
3.3K
PDM1
_WP_ROM
13L AD(0)
D0
14L AD(1)
D1
11K AD(2)
D2
12K AD(3)
D3
13K AD(4)
D4
14K AD(5)
D5
AD(6)
11J
D6
12J AD(7)
D7
13J AD(8)
D8
14J AD(9)
D9
11H AD(10)
D10
12H AD(11)
D11
13H AD(12)
D12
14H AD(13)
D13
13G AD(14)
D14
11G AD(15)
D15
14G
A0 A0
13F A(1)
A1
14F A(2)
A2
12G A(3)
A3
11F A(4)
A4
14E A(5)
U100 A5
13E A(6)
A6
12F A(7)
A7
A(8)
MSM3000-196PBGA-MT 14D
A8
11E A(9)
A9
13D A(10)
A10
12E A(11)
A11
14C A(12)
A12
10E A(13)
A13
13C A(14)
A14
A(15)
12D
A15
14B A(16)
A16
13B A(17)
A17
12C A(18)
A18
11D A(19)
A19
11M
_RD _RD
12N _LWR
_LWR _LWR
13N
_HWR LWR
12L
_RAM_CS1
14M _ROM_CS1
_ROM_CS1
14N
_ROM_CS2
_ROM_CS2
11L _RAM_CS2
_RAM_CS2
12M
PA_ON2
1B
ADC_DATA_SBDT ADC_DATA_SBDT
1C
ADC_CLK_SBCK ADC_CLK_SBCK
2C
ADC_ENA_SBST ADC_ENA_SBST
2H
CHIPX8 CHIPX8
7L
GPIO22 SCAN_4
T2
NC
_ROM_CS2
SCAN_0
MODE_SEL
SVC_LED
_SLEEP
SDA
T1
CODEC_SCL _IDLE NC
CODEC_SDA
_WP_ROM LCD_CS1
FROM_WP
EAR_DET
RI
R148
R147 A21
C148
100
100
100PF
_ROM_CS1
U111
U113
1 VCC 5 TC7S32FU
NC
2 IN
J110 3 GND OUT 4
R160
AXK6F24345J
R161
470
1 1
470
TC7S04FU(TE85L)
R162 2
R163 2
470 3
3
R164
470 4
4
R165
470 5 5
V_TCXO
R166
470 6
6
7
470
7
R167
8
R168 8
9
470
R169 9
10
470
R170 10
470 11
11 U150
12 12
470 TC7S04FU(TE85L)
C50
13
13
100NF 5 VCC
14 NC
14
15
15
IN 2
16 16
17
17
18 4 OUT GND 3
18
19
19
20
20 R149
21
21 100K
22
22 TCXO_N
23
23
24
24
+3.0V +3.0V
I_OFFSET
C101 C102 C103 C104
Q_OFFSET
100NF 10NF 100NF 10NF
R158
C158
20K
8.2NF
TX_CLK
_TX_CLK
TCXO_N
+3.0V
Q111
+3.0V
2SA1774R-TL
1
Q110 2
FROM_WP
2SA1774R-TL
1 C111 3
2 R104
100NF
100K
3
R102
100K
AD(0:15)
D10 G10 AD(0)
F-VCC DQ0
D4 F9 AD(1)
S-VCC DQ1
AD(2)
E3 F-VCCW F8
DQ2
E4 E8 AD(3)
A(0:19) F-/WP DQ3
D9 AD(4)
DQ4
C10 AD(5)
DQ5
H7 C8 AD(6)
_F_BE0 F-/BE0 DQ6 A(0:19)
H8 B9 AD(7)
F-/OE DQ7
C4
F-/WE
C5 F-/RP F-DQ8 G9 AD(8)
RESOUT
AD(9)
F10 C112
F-DQ9
E9 AD(10)
F-DQ10 100NF
A(1) H6 D8 AD(11)
A0
F-DQ11
A(2) G6 A1 C7 AD(12)
F-DQ12
A(3) H5 C9 AD(13)
A2
F-DQ13
A(4) H4 B10 AD(14)
A3
F-DQ14
A(5) G5 A9 AD(15)
A4 F-DQ15
A(6) G4 A5 A(17)
A(7) G3 A(16)
A6
A(8) F5 A7 C3 A(15)
T1
A(9) A(14)
D5 A8 T2 D6
A(10) B6 A9 E6 A(13)
T3
A(11) B5 E7 A(12)
A10
T4
A(12) A4 A(11)
A11
A(13) A5 A(10)
A12
A8
A(14) A6 A13 A(9)
F-GND
D3
A(15) F7 A(8)
A14 F-GND
A(16) G7 A(7)
G8 A15
F-GND
A(17) A(6)
B7 A16 E10
S-GND
A(18) F4 A(5)
A17
H9 A1 A(4)
A0 S-A18 NC
A(19) F3 F-A18 A2 A(3)
NC
E5 F-A19 NC A3 A(2)
A20
A10 A(1)
NC
A11
NC A0
NC A12
F6
NC
C6 H1
_F_BE1 F-/BE1 NC _RD
D7 H2
F-/BYTE NC _RAM_CS2
B8 H3
S-/CE1 NC
B3 S-CE2 H10
NC _LWR
A7 H11
_RD S-/OE NC
+3.0V
B4 NC H12
_LWR S-/WE
U110
LRS1349
AD(0:15)
+3.0V
R103
100K
_F_BE1
+3.0V
R180 2K
AD(7)
AD(6) R181 2K
C113
R182 2K
AD(5)
100NF +3.0V AD(4) R183 2K
R184
AD(3) 2K
AD(2) R185 2K
R186
AD(1) 2K
U112
R187
AD(0) 2K
TC7S32FU R188
2K
A(1)
5 R189 100K
1 R190 2K
_LWR
4
_F_BE0
2
3
MOTOR
EL_ON1
R191
2K
LCD_CS1 R192 2K
LCD_CS2
RESOUT
5
1
SPK+
4
_F_BE1
2 SPK-
3
5 4 3 1 5 4 3 1
ZD180 ZD181
2 2
SMF05.TB
SMF05.TB
1
C51
100NF
TCXO
+3.0V +3.0V +3.0V
C105 C106 C107 C108 C109 C110
100NF 10NF 100NF 10NF 100NF 10NF
+3.0V
AD(0:15)
U114
I/O8 1G
1E VCC1 AD(7)
6D VCC2 1F AD(6)
I/O7
1C
I/O6 AD(5)
I/O5 1B
4F A17 AD(4)
6G
4G A16 I/O4 AD(3)
I/O3 6F AD(2)
5G A15
6C AD(1)
6H A14 I/O2
I/O1 6B AD(0)
5H A13
4H A12
3H A11
2H A10
1H A9
6A A8
5B A7
3C
5A A6 NC1
NC2 3F
4C A5
4B
A4
4A A3
2B A2
2A A1
1A A0
2G _OE
3G _CE1 GND1 1D
6E
3A CE2 GND2
3B _WE
R109
100K
+3.0V
J100
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23 23
24
24
AXK5F24345J
9-1