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SGH-P408 Flow Chart of Troubleshooting
3-
16
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X-TAL(13MHz
)
(From SI4201)
KEY-XBS
12
UP
KEY-XBS
12
SEN
D
15 0
R811
C805
10N F
C806
10N F
15PF
C801
45
12
R806
15 0
R807
VOL_D
N
LS10N2-T
3
LEFT
KEY-XBS
12
15 0
3
12
10
R80
1
30PF
KEY-XB
S
12
KEY-XBS
RIGHT
12
C802
KEY-XBS
0
12
SH
KEY-XB
S
SLS-NNBL102TS
LED819
SLS-NNBL102TS
SLS-NNBL102TS
LED813 LED814
SLS-NNBL102TS
LED802
150
R808
I
KEY-XBS
12
R809
150
12
C803
10N F
KEY-XB
S
9
12
2
KEY-XBS
12
C804
10N F
2
GND
3
OUT
VCC
4
VT
1
*
KEY-XBS
VCCD
OSC801
TCO-9141
B
45
12
SLS-NNBL102TS
LED820
15 0
LS10N2-T
VOL_U
P
3
7
12
VBA
T
R814
8
KEY-XBS
12
KEY-XBS
LED804 LED805
SLS-NNBL102TS
C807
VCCD
SLS-NNBL102TS
200
100NF
150
R81
7
R802
R82
1
150
15 0
R81
9
LED82
1L
ED822
SLS-NNBL102TS
0
R820
SLS-NNBL102TS
KEY-XB
S
12
LED80
1
SLS-NNBL102TS
1
12
KEY-XBS
DOWN
12
6
KEY-XBS
T
12
KEY-XBS
CLEA
R
12
END_PW
R
KEY-XBS
12
R81
6
150
KEY-XBS
150
R815
LED810 LED811
SLS-NNBL102TS
12
DD-DOM-4PIE
F1
12
SLS-NNBL102TS
KEY-XBS
5
12
4
KEY-XBS
SLS-NNBL102TS
150
R81
2
LED808
LED80
7
100N F
C808
SLS-NNBL102TS
R813
150
CAM_MENU
LS10N2-T
34
5
12
R803
R818
0
10 0
2
OUT
1
VC C
VOSC
F2
KEY-XBS
12
U802
A3212ELH-SAMSUNG
GND
3
560
R800
U803
A3212ELH-SAMSUNG
GND
3
2
OUT
1
VC C
R810
150
FLIP_SNS_
2
FLIP_SN
S
KEY_COL(4)
KEY_COL(3)
KEY_ROW(3)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(4)
BACKLIGHT_1
BACKLIGHT_
2
AFC
CLK13M_R
F
CLK13M_YMU
PWR_ON
KEY_COL(2)
KEY_COL(1)
KEY_COL(0)
KEY_ROW(4:0)
KEY_COL(4:0
)
CLK13M_T
R
CLK13M_M
C
13MHZ_BB