Samsung SGH-2400, Service Manual, Page: 36 / 41

5-12 Schematic Diagrams
5-12 Kernel
2012
+3VBB
C204 100nF
R231 100K
5
19 4
2
15
1nF C207
TP954
17 10
+3VBB
+3VBB
2.2K_1%
R202
R232
47K
R219
12 2
10K
10K
R238
0
10
+3VBB
2
100K R209
2.2K_1%
R203
7
32.768KHz
20
0
VSSI-1
K11
VSSI-2
C6
WRB
A10
4
AVCC
8
X201
G13
TXDATA TXRDY
G10
VDDI-1
E13
VDDI-2
G4
VDDO-1
G11
VDDO-2
L6
VDDO-3
H1
VDDO-4
C1
VDDO-5
D8
K7
VREFIQN VREFIQP
L7
VSSE-1
D11
VSSE-2
N10
VSSE-3
K3
VSSE-4
E2
VSSE-5
B4
E12
SIMALIM
E11
SIMCLK
SIMDATA
F11
SIMPRES
D13 E10
SIMRST
F10
SIMVDD
SP
L11
SPW1
L12
SPW2
L13
SPW3
K10
SPW4
M11
SYSCLKI
J2 H4
SYSCLKO
J10
SYSRST
K9
TXCLOCK
H12
TXD
Q-IN-P
N3
Q-OUT-N
K8
Q-OUT-P
L8
RDB
C10
ROW0
C13 C12
ROW1 ROW2
C11 B13
ROW3
B12
ROW4
RTS
F12
RXCLOCK
N11 H13
RXD
M10
RXDATA RXRDY
L10
SCK
J13
SDAT
J11
A1
GPIO6-ADD21 GPIO7-ADD22
B1
GPIO8-ADD23
C2
GPIO9-SIMDATA_OEN
J3
I-IN-N
K4
I-IN-P
L4
I-OUT-N
N8
I-OUT-P
M8
D9
LCDEN
PDTX
L9
PLLCLK
M9
G12
PLLDAT
H10
PLLEN1 PLLEN2
H11
K5
PTX-P
Q-IN-N
M3
DATA5
E3
DATA6
E1
DATA7
F4
DATA8
F3
F2
DATA9 DSR
N9 D12
DTR
EECS
K12
EIRQN-EXTINT
B10
N1
GPIO0 GPIO1
M2
K13
GPIO10-WATCHDOG
GPIO2-EXTPROC
M1
L3
GPIO3-MSIZE
GPIO4-PWM1
L2
GPIO5-BOOT-PWM2
L1 K1
CSUSR2-AUXV3 CSUSR3-AUXV4
K2 B9
CSVOC
F13
CTS
J1
DACK DATA0
D4 D3
DATA1
F1
DATA10
G2
DATA11
G1
DATA12
G3
DATA13
H2
DATA14
H3
DATA15 DATA2
D2
DATA3
D1
DATA4
E4
AVS-1
N5
AVS-2
M4
N4
AVS-3
J12
BFI
N12
BUSACK
M12
BUSREQ
COL0
A13 A12
COL1 COL2
B11
COL3
A11 D10
COL4
CSCOD
N13 M13
CSDEC CSRAM
C9
CSROM
A9 J4
CSUSR1-AUXV2
B2
ADD20
B7
ADD3
A7
ADD4
C7
ADD5
D7
ADD6 ADD7
A6
ADD8
B6
ADD9
D6
AFC-P
L5
AGC-P
K6
N7
AUXV0 AUXV1
N6 M6
AUXVREFN
M7
AUXVREFP
AVD-1
N2
M5
AVD-2
KERNEL
U200
C8
ADD0
B8
ADD1 ADD10
A5
ADD11
B5
ADD12
C5
ADD13
D5
ADD14
A4
ADD15
C4 A3
ADD16
B3
ADD17
C3
ADD18 ADD19
A2 A8
ADD2
3
3
3
C206 100nF
5
C214 100nF
47nH L250
+3VBB
+3VBB
+3VBB
+3VBB
+3VBB
16
C216 100pF
100K R222
9
1
+3VBB
+3VBB
R235 10K
C218 100pF
6 14
18 8
AVCC
100nF C205
R205 10K
C211 10NF
9 11
12
R221 1K
47K
R218
11
10nF C200
4
13
+3VBB
10K R210
3
100pF C217
R214
1
+3VBB
7
100K
15
100pF C215
1K R220
0
R215
1
+3VBB
4.7pF
C210
47K R208
6
2
1
+3VBB
4
R212 100K
_INTRB
1
24LC128I/SN
U203
1
A0
2
A1
3
A2
SCL
6
SDA
5
VCC
8
4
VSS
WP
7
13
CLOCK
RS5C372A
U202
OSCIN
7 6
OSCOUT
2
SCL SDA
3
VDD
8
VSS
4
_INTRA
5
2.2K_1%
R201
R200
2.2K_1%
+3VBB
100K
R213
+3VBB
AVCC
0
AVCC
+3VBB
+3VBB
100nF C201
C203
4.7uF/6.3V
14
0
TXEN2 RXEN_FE DEMODEN BANDSEL REFTXN REFTXP
CLK13M
TP953
+3VBB
DCIN VIBRATOR CHG_ON BACKLIGHT SIM_5V3V KIRX1 KIRX TXEN1 SYNCLK SYNDATA SYNEN TXPOWER KQRX1 KQRX
SDA
SIMALIM SIMCLK SIMDATA SIMRST
5
BFI
5
AFC VAGC VF BAT_VOLT REFADCN REFADCP
SCL
HEADSET_EN
JACK_IN
RS232_CTS
CSVOC
CS_FLASH2
TEMPERATURE
CSROM CSRAM
RXSFM
TXSFM
LCD_WR
LCD_A2
TXCLK
RS232_TXD
TXDATA
TXRDY
5
WR
SP
RXRDY
RXDATA
RS232_RXD
RXCLK
RS232_RTS
RD
LCD_EN
EAR_SWITCH
uP_ON_OFF
REED
MAX4.2_BOOT
5
_RESET
5
ITX QTX QTX1 ITX1
CLK13M_K
KEYBOARD_COL(0:4)
+3VBB D(0:15)
5
AVCC
KEYBOARD_ROW(0:4)
A(0:20)
+3V_RTC