Samsung SGH-T108 Schematics
2
3
4
5
6
8
9
10
11
12
137
A
141 16
15
A
+VBATT
B
C
C101
100PF
C105
470PF
C100
10UF/6.3V
VCC
C102
10NF
RFVIN
U102
SI3865DV
4
D
R106
100K
5
61
E
F
2
R112
100K
G
S2
ON/OFF
R1,C1
D101
UMN1
C113
10NF
3
D2
2
D2
R2
1
3
4
5
R113
100K
R107
1K
R114
C119
100K 100NF
100NF
C110
100UF
R115
100K
C111
100UF
C120
R111
C109
1UF
0
C112
10UF/6.3V
DCIN
ON_OFF
BB_PWR_ON
6
5
4
1
U101
R5323N301B
CE1
VOUTA
GND2VDD
CE2
VOUTB
4
1
3
U105
UMC5NTL
3
5
2
R116
100K
C106
10NF
C114
10NF
R117
100K
AVCC
C107
4.7uF
6.3
C115
4.7uF
6.3
RTC_3V3
DCVOLT
D100
MCL4154
BAT101
RB414II06N
C104
R103
10NF
1K
21
C108
33NF
XVCC
56K,1%
TH101
*
NTH5G40B473J01TE
H
SIMRST
SIMCLK
SIMDATA
VCC
I
J
4
5
6
FDG6323L
C125
10UF
6.3V
C129
100NF
R123
10K
3
2
1
SIMALIM
4
VIN,R1
5
ON/OFF
6
FDG6323L
R1,C1
U106
V.C1-2
V.C1-1
3
2
1
R2
C126
10NF
C130
27PF
C131
27PF
C122
27PF
R120
NC
CN101
1
1
44
2
2
3
3
66
GG
10
7G8G9
CLE1006-093709-001101G
SIM CONNECTOR
55
C132
27PF
C128
10UF
6.3V
Q101
ZXT13P20DE6
U107
1
DRIVE
ISENSE
2
VSENSE
GND
3
PROG
VCC
LTC1734ES6-4.2#TR
6
5
2
4
1
C121
3
10UF
6.3V
6
5
4
C103
1UF
S-80926ALMP-DAP-T2
R109
RTC_3V3
RTC_VCC
U103
5
CD
4
NC
R119
82K,1%
R122
100K,1%
R124
2.7K
OUT
VDD
VSS
C118
100NF
1%
VCC
1
2
3
TEMPERATURE
C123
100NF
L:ON,H:OFF
RST
DCVOLT
+VBATT
BAT_VOLT
ICHRG
CHG_ON
B
C
D
E
F
G
H
I
J
K
L
1
3
4
5
6
7 12
8
9
Changed by:
10
I.S.SEO
Date Changed:
11
2002.02.26
Time Changed:
13
Engineer:
Drawn by:
R&D CHK:
DOC CTRL CHK:
MFG ENGR CHK:
QA CHK:
COMPANY NAME
TITLE:
T108_M20
POWER MANAGEMENT & SIM INTERFACE
Drawing Number:
REV:
14 15
SAMSUNG
162
Page:
Size:
K
A3
L
1/8
27PF
C209 27PF
27PFC210
27PFC211
9
1110
12
13
14
15
16
A
NC7SZ19
1
C202 27PF
R230
R232
R234
R236
R238
6
2
5
1K
1K
1K
1K
1K
D(7)
D(5)
D(3)
A(0)
SPK+MOTOR
SPK-
0R202
RST
REC+
VCC
RTC_3V3
C230
100NF
VCCG
3
4
U202
Y0
VCC
Y1
GND
1
A
2
_E
6
5
43
NC7SZ19P6X
R200
100K
VCC
VCC
R201
100K
B
LCD_CS
C
LCD_EN
D
1
2
4
5
6
73
8
A
VCC
B
C
D
BACKLIGHT
COLOR_LCD_BL
R231
D(6)
R233
D(4)
R235
D(2) D(1)
R237
D(0)
R822
R240
WR
REC-
1K
1K
1K
1K
1K
1K
27PFC217
27PF
27PF
27PF
27PFC203
C201
C205
C204 27PF
C815 27PF
C206
CN201
AXK6F26345J
2
1
4
3
6
5
8
7
10
9
12
11
14
13
16
15
18
17
20
19
22
21
23
26
25
LCD-CONNECTOR
27PFC218
27PF
C207
C208
VCC
5
3
1
2
U201
TC7S08FUTE85L
9
F201
NFM39R12C471T1
5
4
6
3
7
2
8
1
R211
CRB2A4E101JT
R212
CRB2A4E101JT
45
3
6
2
7
1
8
Changed by:
10
RST
KEYBOARD_ROW(4)
13
F200
24
NFM39R12C471T1
13
24
R209
100
R208
RS232CTS
RS232RTS
RS232RXD
RS232TXD
Date Changed:
I.S.SEO
E
F
+VBATT
VF
G
DCVOLT
SPK2P
H
SPK2N
MIC2P
MIC2N
100
SIMPWDN_BOOT
SDA
SCL
I
J
RS232_CTS
RS232_RTS
RS232_RXD
RS232_TXD
2002.02.26
12
Time Changed:
131 7
Engineer:
Drawn by:
R&D CHK:
DOC CTRL CHK:
MFG ENGR CHK:
QA CHK:
COMPANY NAME
Drawing Number:
15
SAMSUNG
T108_M20
TITLE:
LCD & I/F COON. SCHEMATIC
REV:
Page:
K
Size:
A3
L
2/8
E
C216
1.5NF
4
F
G
CN202-1
1004-0018-309
H
I
J
C212
27PF
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
19
20
21
22
23
24
C817
27PF
V205
VC040214X200
C213
27PF
V206
VC040214X200
C214
C215
27PF
100NF
VC040214X200
V208
L209
39nH
V207
VC040214X200
V209
VC040214X200
VCC
ZD202
1
2
3
ESDA6V1-5W6
ZD203
1
2
3
ESDA6V1W5
6
5
4
5
4
K
L
2
3
4 1411
5 16
68
1
2
3
4
5
6 14
7
8
9
10
11
12
13
15
A
16
A
B
R324
10K
R302
100K
AVCC
VCC
MOTOR
VCC
VCC
C
A(23)
CSROM
D
R826
100K
U302
NC7SZ19P6X
A
GND
_E
VCC
6
Y0
4
Y1
1
25
3
E
A(0:22)
F
G
VCC
H
FLASH
CSRAM
CSRAMH
I
RST
A(0)
MRST
R320
0
C320
J
RD
RD
R317
R321 100K
R322 100K
C319
NC
100NF
A(18)
A(20)
A(19)
A(18)
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(4)
A(3)
A(2)
A(1)
A(21)
A(22)
100K
C6
S-A17
E5
F-A19
G3
A18
G4
F-A17
B3
A16
A5
A15
A6
A14
A7
A13
A8
A12
A4
A11
B5
A10
B6
A9
B4
A8
G5
A7
G6
A6
H4
A5
H5
A4
G7
A3
G8
A2
G9
A1
H6
A0
A3
F-A20
C5
FA-21
H7
_F-CE
D8
S-CE2
G10
_S-CE1
F4
_S-UB
F3
_S-LB
E3
_F-WP
D4
_F-RSP
C4
_F-RY/BY
F5
_S-OE
H9
_F-OE
B8
_S-WE
C3
_F-WE
LRS1387
VCC
R300
R301
100K
100K
FLASH
YAMAHA
VCC
C302
U304
D10
F-VCC
E4
F-VPP
D9
S-VCC
B7
DQ15
B9
DQ14
C7
DQ13
D7
DQ12
E6
DQ11
E8
DQ10
F7
DQ9
F8
DQ8
B10
DQ7
C8
DQ6
C10
DQ5
C9
DQ4
E10
DQ3
E9
DQ2
F10
DQ1
F9
DQ0
D5
T1
D6
T2
E7
T3
A1
NC1
A2
NC2
H1
NC3
H2
NC4
H3
NC5
F6
NC6
A10
NC7
A11
NC8
A12
NC9
H10
NC10
H11
NC11
H12
NC12
D3
GND
A9
GND
H8
GND
100NF
D(15)
D(14)
D(13)
D(12)
D(11)
D(10)
D(9)
D(8)
D(7)
D(6)
D(5)
D(4)
D(3)
D(2)
D(1)
D(0)
C303
10NF
D(0:15)
VCC
U300
FDG6323L
4
VIN,R1
V.C1-2
5
ON/OFF
V.C1-1
R1,C1
6
R2
U803
1
5
NC
VCC
2
IN
3
4
GND
OUT
TC7SH04FU-TE85L
RTC_3V3
3
2
1
C317
NC
U305
MDC3105LT1
C300
10NF
M_RST
C318
NC
WR
13M
U301
5
VCC
4
OUT
TC7SH04FU-TE85L
R304
330
R306 10K
C301
10NF
V300
NC
R315
4.7K
GND
NC
IN
R308
3.3K
C308
1NF
1
2
3
C818
27PF
M_S
M_IRQ
C304
4.7uF
6.3
C305
100NF
VIBRATOR_IN
VCC
R305
51K
100KR823
32
31
1
SCLK
CLKI
SDOUT
2
EXT1
/IRQ
4
/RST
5
IFSEL
6
PLLC
7
VDD
83
VSS
9
VREF
HPOUT-L/MONO
100NF
10
HPOUT-R
11
C309
R312
29
30
SDIN
SYNC
U303
YMU759-QE2
EQ2
EQ1
12
13
22NF C312
33K
R313
33K
RD
A(1)
YAMAHA
WR
D(0)
28
27
26
D1
D0
/WR
EQ3
25
D2
2423
D3
D4
2221
D5
D6
20
D7
19
EXT2
18
SPOUT2
17
C306
C310
27PF
C307
3PF
27PF
C311
27PF
SPOUT1
SPVDD
SPVSS
16
14
15
R310
39K
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
VIBRATOR_IN
SPK-
SPK+
RFVIN
C314
R314
R319
R323
C313
270PF
33K
NC
NC
4.7uF
6.3
4.7NF
C316
C315
100NF
LINE_OUT
E_PIN2
REC+
B
C
D
E
F
G
H
I
J
Page:
Size:
K
A3
L
3/8
K
L
2
3 14
4
5
6
71
8
9
Changed by:
10 13
I.S.SEO
Date Changed:
11
2002.02.26
Time Changed:
12
Engineer:
Drawn by:
R&D CHK:
DOC CTRL CHK:
MFG ENGR CHK:
QA CHK:
COMPANY NAME
TITLE:
REV:
SAMSUNG
T108_M20
MEMORY SCHEMATIC
Drawing Number:
15 16
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