Samsung SGH-2400, Service Manual, Page: 35 / 41

5-11 Schematic Diagrams
5-11 MMI Interface
(0603)
(AXK5F24335J)
LCD CONNECTOR
(UG-12B-046X-DA)
(0603) (0603) (0603)
PCB FIXING HOLE
EL FIXING HOLE
(0603)
MMI INTERFACE CONNECTOR
EL CONNECTOR
J180-28
28
220nF
C169
J151-22
22
J180-29
29 5
J151-20
20
EL1-A
1
J180-5
J151-23
23
C173
1uF
SMF05
D903
1
2
3 4 5
C1007
10nF
R996
10K
C1005 100nF
5.6nF
C1004
1
L801
4.7mH
5
J180-25
25
J151-1
R994
J151-5
1K
J151-19
19
10nF
C1006
J180-6
6
J180-7
7
+3VBB
J180-27
27
J180-30
30
100K R162
Q153
DTC114EETL
GND
IN
OUT
J180-31
31
10K
R152
15
EL1-B
2
J180-32
32
J151-24
24
J180-15
14
U969
D361A
2
Base CHF
3
E
5
GND
6
L+
1
8
L-
4
V+
Vout
7
J180-8
8
J151-14
6.8nF
C168 C167
6.8nF
GND
IN
OUT
6.8nF
C166
J151-3
3
Q151
DTC114EETL
J180-24
24
J151-15
15
+3VBB
1uF
C172
2SA1576
Q958
2
3 1
J180-9
9 22
J151-21
21
J180-3
3
J180-4
4
J180-22
J180-1
1
J180-2
2
J180-23
23
H5
C171
1uF
D
G
S
CL-150YG-CD-T
LED100
100
R163
FDG6301N
Q950-2
17
J151-6
6 7
J180-16
16
J180-17 J180-10
10
H3
+3VBB
J151-7 J151-4
4
J151-16
16
J151-18
18
H2
J151-2
2
1uF
C170
8
E1
E2
J151-10
10
J151-12
12
J151-8
H4
J180-26
26
100K R151
R153 100K
+VBATT
J151-9
9
J180-14
14
C165
6.8nF
J180-12
12
J180-13
13
J151-17
17
J180-11
11
J151-11
11
J151-13
13
H1
J180-20
20
J180-21
21
KEYBOARD_COL(2) KEYBOARD_COL(3)
J180-18
18
J180-19
19
KEYBOARD_COL(1)
STARTUP_VOLTS
BACKLIGHT
D(15)
D(8:15)
D(14) D(13) D(12) D(11) D(10)
D(9) D(8)
LCD_WR LCD_A2 LCD_EN _RESET
KEYBOARD_ROW(4)
BACKLIGHT
RI_LIGHT
KEYBOARD_ROW(0:4) KEYBOARD_COL(0:4)
+VBATT
KEYBOARD_ROW(0) KEYBOARD_ROW(1) KEYBOARD_ROW(2) KEYBOARD_ROW(3)
BUZ- BUZ+ MIC- MIC+
STARTUP_VOLTS
KEYBOARD_COL(4)
REED
SPK+ SPK-
ON_OFF
KEYBOARD_COL(0)