Samsung SCH-A205, Service Manual

Page: 42 / 48

9. Schematic Diagrams
9-1 Logic Circuit Diagram (1)
SAMSUNG Proprietary - Contents may change without notice 9-1
DP_RX_DATA
CONFIDENTIAL
DP_TX_DATA
NC
T1
SMF05.TB
ZD163
2
1 3 4 5
R109
100K
+3.0V
100K
R141
68PF
C181
+3.0V
100NF
C112
NC
R108
VCC1 1E
6D VCC2
3G _CE1
_OE 2G
_WE 3B
+3.0V
6C
I/O2
I/O3 6F
6G
I/O4
I/O5 1B
1C
I/O6
1F
I/O7
I/O8 1G
3C
NC1
NC2 3F
5B A7
A8
6A
1H A9
CE2 3A
GND1 1D
6E
GND2
I/O1 6B
5G A15
A16 4G
4F A17
A2 2B
4A A3
A4 4B
4C A5
A6 5A
A0 1A
2A A1
A10 2H
3H A11
A12 4H
5H A13
A14 6H
NC
U114
C125
Q110
2
3
1
R102
2SA1774R-TL
C103
100NF
100K
NC
T2
R168
470
2.2K
R123
100K
68PF
R126
NC
V_TCXO
C183
R107
2
1 3 4 5
SMF05.TB
ZD181
R122
100K
C115
47PF
2K R185
100PF
C148
+3.0V
100K
R124
C187
100NF
C51
C124
100NF
68PF
C158
8.2NF
_RAM_CS1
12L
_RAM_CS2
11L
_RD
11M
9M
_RESIN
5N
_RFR
_ROM_CS1
14M
_ROM_CS2
14N
_SLEEP
1D
_TEST
8C
_TX_CLK
4H
10J
VDD7
12B
WDOGSTB_PCMSCS
10L
WDOG_EN
10M
XTAL_IN
12P
XTAL_OUT
4M
Y
AMN1
_CTS
5M 3M
_GP_CS
13N
_HWR
2M
_IDLE
12N
_LWR
TX_IQD
A
T
A
4
TX_IQD
A
T
A
5
3H 1J
TX_IQD
A
T
A
6
2J
TX_IQD
A
T
A
7
VDD0
5F 5J
VDD1
6E
VDD2 VDD3
6K 9E
VDD4 VDD5
9K
VDD6
10F
7A
TDO
TMODE
4D
TMS
5B
TRK_LO_ADJ
3N
3K
TX_AGC_ADJ
TX_CLK
1H 1L
TX_IQD
A
T
A
0
TX_IQD
A
T
A
1
3J 2K
TX_IQD
A
T
A
2
TX_IQD
A
T
A
3
1K 4J
PDM2
3P
Q_OFFSET
2D
RESOUT
11P
RINGER
4N
1M
RX_AGC_ADJ
SLEEP_XT
AL_IN
11N 10K
SLEEP_XT
AL_OUT
SYNTH_LOCK
4K
7C
TCK
2L
TCX0
8A
TDI
14A 14P
NC3
PA_ON
4L
12M
PA_ON2
3L
PA_R0
PA_R1
1N
11B
PCM_CLK
12A
PCM_DIN
PCM_DOUT
13A
PCM_SYNC
11C
PDM1
2P
KEYSENSE3
5E
KEYSENSE4
3A
10A
LCD_CS
LCD_E
13P
13M
LNA_GAIN
LNA_RANGE
2N
MODE0
2B 3C
MODE1
1A
NC0 NC1
1P
NC2
GPIO8
GPIO9
7D
9P
GPIO_INT0
8M
GPIO_INT1 GPIO_INT2
9L 10P
GPIO_INT3
GPIO_INT4
10N
3D
I_OFFSET
2A
KEYSENSE0 KEYSENSE1
4C 3B
KEYSENSE2
GPIO25
GPIO26
8N
GPIO27
8L
8P
GPIO28
GPIO29
9N
GPIO3
4A
GPIO30
5K
GPIO4
6C 5A
GPIO5 GPIO6
6D
GPIO7
6A
6B
GPIO16
9D
5P
GPIO17 GPIO18
6L
6M
GPIO19
GPIO2
5D
6N
GPIO20
6P
GPIO21
7L
GPIO22
GPIO23
7M
GPIO24
7N
7P
7F 7G
GND8 GND9
7H
GPIO0
5C
GPIO1
4B
GPIO10
7B
8B
GPIO11
GPIO12
8D
9A
GPIO13
GPIO14
9B
GPIO15
9C
GND18 GND19
9G 6F
GND2 GND20
9H 9J
GND21 GND22
10G
GND23
10H
GND3
6G
GND4
6H
GND5
6J
GND6
7E
GND7
5G
GND0 GND1
5H
GND10
7J
GND11
7K 8E
GND12 GND13
8F 8G
GND14
8H
GND15
8J
GND16 GND17
8K 9F
D5
D6
11J
12J
D7
D8
13J
14J
D9
5L
DP_RX_D
A
T
A
4P
DP_TX_D
A
T
A
FM_RX_CLK
2E 4E
FM_RX_ID
A
T
A
FM_RX_QD
A
T
A
3E
FM_RX_STB
1E
13L
14L
D1
D10
11H
12H
D11
D12
13H
14H
D13
D14
13G
11G
D15
11K
D2
D3
12K
13K
D4
14K
10C
AUX_PCM_SYNC
2H
CHIPX8
1G
C_RX_ID
A
T
A
0
C_RX_ID
A
T
A
1
2G 3G
C_RX_ID
A
T
A
2
C_RX_ID
A
T
A
3
4G
C_RX_QD
A
T
A
0
1F 2F
C_RX_QD
A
T
A
1
3F
C_RX_QD
A
T
A
2
4F
C_RX_QD
A
T
A
3
D0
A5
13E
A6
12F
A7
14D
A8
11E
A9
ADC_CLK_SBCK
1C
ADC_DATA_SBDT
1B
ADC_ENA_SBST
2C
AUX_PCM_CLK
10B
AUX_PCM_DIN
10D
AUX_PCM_DOUT
11A
A12
10E
A13
A14
13C
12D
A15
A16
14B
A17
13B
A18
12C
11D
A19
A2
14F
12G
A3
A4
11F
14E
MSM3000-196PBGA-MT
U100
A0
14G
13F
A1
13D
A10
12E
A11
14C
C146
100PF
R103
+3.0V
+3.0V
100K
100PF
20K
R159
C142
100NF
C192
68PF
C194
X100
MC-146(32.768KHz,20ppm)
2 3
4 1
+3.0V
68PF
C191
10NF
C104
C189
68PF
R104
100K
Q111
2SA1774R-TL
2
3
1
R153
20K
R188 2K
R165
470
1
3
2
_TRST
_LWR
Q122
DTC144EE/TR
R161
470
10NF
C102
10NF
C155
8.2NF
C159
0
NC
R151
RXD
R101
470
R170
C184
68PF
10NF
C110 C107
100NF 100NF
C105
TRST
R164
470
C123
33UF
6.3V
R145
+3.0V
100
R146
100
R167
470
R182 2K
+3.0V
100K
R125
+3.0V
68PF
C188
3
5
4
3
5
4
TC7S32FU
U113
2
1
U112
TC7S32FU
2
1
TMS
C128
100PF
R184
2K
R106
10K
2K
R190
C113
100NF
C131
1NF
_TDO
R192 2K
+3.0V
47K
TDI
TCK
R121
R160
470
C157
100NF
R162
100NF
C122
470
TXD
2
1
SRT
4
VCC1 VCC2
3
5
_RESET
LP3470IM5X-2.63
U121
GND
R157
3.3K
R169
2K
R183
SMF05.TB
2
1 3 4 5
+3.0V
470
ZD162
R128
100K
3
GND
2 IN
NC
1
OUT
4
VCC 5
TC7S04FU(TE85L)
U111
R140
LWR
6
6
7
7
8
8
9
9
100
20
20
21
21
22
22
23
23
24
24
3
3
4
4
5 5
13
13
14
14
15
15
16 16
17
17
18
18
19
19
2
2
J110
AXK6F24345J
1 1
10
10
11
11
12 12
68PF
33NF
C129
C190
0
R100
22NF
C151
470
R144
8
8
9
9
16V
C116
10NF
22
22
23 23
24
24
3
3
4
4
5
5
6
6
7
7
15
15
16
16
17
17
18
18
19
19
2
2
20
20
21
21
AXK5F24345J
J100
1
1
10
10
11
11
12
12
13
13
14
14
SMF05.TB
2
1 3 4 5
4.7K
ZD161
68PF
C186
R154
100PF
C160
10NF
+3.0V
C154
R155
4.7K
R143
+3.0V
100
_TCK
R166
470
750
0
R105
R150
C144
470PF
2K
R180
6.3V
10UF
C127
3 4 5
+3.0V
ZD160
SMF05.TB
2
1
100PF
C147
_TMS
100PF
C140
100NF
C130
100
100PF
R142
20K
R158
C161
R187 2K
2K
R191
R181
2K
C163
100PF
R148
100
C197
150PF 68PF
C182 C193
C145
100PF
68PF
6.3V
33UF
C121
4.7K
C108
R127
100K
10NF
C180
R149
68PF
C126
10NF
5 3
6
2
4
1
X110
CSTCW2700MX03
470PF
C143
NC
R156
6
G
3
4
C165
100PF
SI3443DV-T1
Q120
1 2 5
68PF
C185 C196
39PF
2K R186
TPS76928DBVR
U120
2
GND
1
IN
NC/FB
4
5
OUT
_EN
3
C162
2
1 3 4 5
100PF
GND 3
IN 2
1
NC
4 OUT
5 VCC
SMF05.TB
ZD180
S-/WE
C3
T1
T2
D6
E6
T3
T4
E7
U150
TC7S04FU(TE85L)
NC
NC
H2
H9
S-A18
S-/CE1
B8
S-CE2 B3
E10
S-GND
A7
S-/OE
S-VCC
D4
B4
NC
NC
H12
A2
NC
NC
A3
NC
A10
NC
A11
NC
A12
NC
F6
H1
E4
F-/WP
F-/BE0
H7
F-/BE1
C6
D7
F-/BYTE
NC
A1
H3
NC
NC
H10
H11
F10
F-GND
A8
D3
F-GND
F-GND
G7
H8
F-/OE
C5
F-/RP
F-VCC
D10
E3F-VCCW
F-/WE
C4
F-A19
F-DQ10
E9
F-DQ11
D8
C7
F-DQ12
C9
F-DQ13
B10
F-DQ14
A9
F-DQ15
F-DQ8
G9
F-DQ9
DQ1
DQ2
F8
E8
DQ3
DQ4
D9
C10
DQ5
DQ6
C8
B9
DQ7
F-A18 F3
E5
A3
A4
G5
G4
A5
A6
G3
F5
A7
A8
D5
B6
A9
DQ0
G10
F9
A11
A12
A5
A6
A13
A14
F7
G8
A15
A16
B7
A17
F4
A2
H5
H4
U110
LRS1349
A0
H6
G6
A1
A10 B5
A4
C111
100NF
100NF
C50
100PF
C164
R152
56K
2SC4081BRT106
Q121
1
3
2
TDO
+3.0V
100K R189
10NF
C106
100NF
C101
+3.0V
100
R147
C114
47PF
C120
33UF
6.3V
R163
470
_TDI
C109
GND
A0
A(0:19)
_LWR
_RD
_RAM_CS2
_F_BE0
_ROM_CS2 _F_BE1
RESOUT
100NF
AD(4)
AD(5)
AD(6)
AD(7)
AD(0:15)
A(17)
A(16)
A(15)
A(14)
A(13)
A(12)
A(11)
A(10)
A(9)
A(8)
A(7)
A(6)
A(5)
A(3)
A(2)
AD(6)
AD(8)
AD(9)
AD(10)
AD(11)
AD(12)
AD(13)
AD(14)
AD(0:15)
AD(7)
AD(5)
AD(3)
AD(1)
A(1)
A(4)
AD(0)
AD(1)
AD(2)
AD(3)
A0
FROM_WP
A21
_ROM_CS1
_F_BE1
V_DC
SDA
AD(15)
AD(0)
AD(2)
AD(4)
A(8)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(1)
RESOUT
_WP_ROM
A20
_RD
_LWR
_F_BE0
_F_BE1
V_BATT
V_DC
ON_SW
SCAN_2
RX_DATA2
TX_DATA2
C_RX_IDATA(1)
C_RX_IDATA(0)
TCXO
A(18)
A(17)
A(16)
A(15)
A(14)
A(13)
A(12)
A(11)
A(10)
A(9)
KEY_0
KEY_3
SCAN_0
KEY_2
SCAN_1
BUZZER-
SCAN_5
SCAN_4
SCAN_6
MIC+
+3.0V
LED_ON
Q_OFFSET
RESOUT
+3.0V
FROM_WP
MODE_SEL
SCL
ALT_LED
SVC_LED
HALL_ON
CODEC_SDA
_RX_ON
PS_HOLD
SCAN_3
KEY_1
_WP_ROM
EL_ON1
SCAN_2
GATE
HP_PWR
PS_HOLD
ON_SW_SENSE
ON_SW
TCXO_N
MOTOR
KEY_2
_IDLE
LCD_CS1
KEYLED_ON
TCXO_N
_ROM_CS2
A(0:19)
A(19)
_RAM_CS2
A(1)
_LWR
EL_ON1
KEY_0
KEY_1
CODEC_SCL
RD
SCAN_6
SCAN_0
A21
HALL_ON
PLL_DATA
TX_AGC_ADJ
SPK-
SPK+
_RESIN
AD(6)
AD(7)
PDM1
LCD_CS1
LCD_CS2
AD(5)
AD(1)
AD(3)
LCD_CS2
AD(4)
AD(2)
AD(0)
RINGER_ON
SVC_LED
ALT_LED
CTS
TD
DTR
AD(15)
C_RX_QDATA(3)
C_RX_QDATA(2)
C_RX_QDATA(1)
C_RX_QDATA(0)
C_RX_IDATA(3)
C_RX_IDATA(2)
CHIPX8
ADC_ENA_SBST
ADC_DATA_SBDT
ADC_CLK_SBCK
A(19)
_RD
_LWR
TCXO_CON
DSR
RI
RTS
PCM_SYNC
PCM_DOUT
PCM_DIN
PCM_CLK
PA_R0
PA_ON
ON_SW_SENSE
KEY_3
A20
SEND_END
EAR_DET
SCAN_5
SCAN_4
SCAN_1
VIBRATOR
SCAN_3
FM_RX_STB FM_RX_CLK
CD
TX_IQDATA(1)
RX_AGC_ADJ
SYNTH_LOCK
TRK_LO_ADJ
TX_CLK
_SLEEP
_ROM_CS1
TX_IQDATA(7)
TX_IQDATA(6)
TX_IQDATA(5)
TX_IQDATA(4)
TX_IQDATA(3)
TX_IQDATA(2)
TX_IQDATA(0)
_TX_CLK
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
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(0:15)
RX_EN
PLL_CLOCK
TX_IQDATA(0:7)
LNA_GAIN
_RESIN
V_BATT
V_BATT
GATE
I_OFFSET
C_RX_QDATA(0:3)
C_RX_IDATA(0:3)
A0
A(1)
A(2)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)