![background image](http://html.mh-extra.com/html/samsung/sgh-d500/sgh-d500_service-manual_1190461030.webp)
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
7-8
SIM_VCC
SIM_CL
K
SIM_RST
SIM_IO
ML-414RM/F9M
E
C408
470nF
C426
4.7U F
C424
9
10
G
MC-146(32.768KHz,20ppm
)
OSC400
2
3
4
1
2
2
33
4 4
5
5
6 6
G
7
8
G
G
C417
470nF
ENG-CD-292292-9-OLD
2
SIM400
11
T400
100K
R421
C411
33PF
470nF
C418
C428
100PF
R412
0
R413
51 0
11 K
9PF
C407
R409
C425
4.7U F
5
4
+VDD_IO_HIGH
TC7SH08FU-TE85L
U401
3
1
2
NC
C421
C419
4.7U FN
C
C422
R404
0
C413
4.7U F
4.7U F
C416
C405
100N F
C420
100N F
R405
22U F
C410
F95OJ226MPAAQ2
R403
33nH
+VDD_IO_LOW
10M
R411
+VDD_IO_HIGH
0
470nF
C406
R406
V400
VC040205X150R
_IRQ
27
_ONKEY
1
_REC1
13 _REC
2
11
_RSTH
C
44
_SIMRSCD
7
_SIMRSH
C
100K
SIMEN
42
SIMIOCD
9
SIMIOHC
41
SIMVCC
31
VBAT
32
VCHG
29
VINT
30
VSAVE
10
2
SCL
38
SCN
37
SCP
3
SD
A
43
SIMCKCD
8
SIMCKH
C
40
SIMD3VBAT
45
26
OSCI
25
OSCO
6
PWREN
1
5
PWREN
2
28
REFC
23
RF12VBAT
RF1VDD
22
24
RF2VDD
17
HCVDD
15
IOD2VBAT
IOVDD
14
LPD1VBAT
20
19
LPVD
D
12
MICBIAS
53
NC
NC 54
D3VDD
49
GND
GND 50
51
GND
GND 52
48
GPO1
47
GPO2
46
GPO3
HCVBAT
18
34
CHGCUR/BATMA
X
33
CHGDRV
4
CLK32K
36
CPVBAT
35
CPVD
D
21
D1VD
D
D2VD
D
16
39
PCF50603HN/11
U400
470nF
C427
C409
9PF
C414
470nF
IT_PM
U
ONKEYN
AUX_ON
RSTON
SIMRST
SCV_LED_ON
REF_O
N
PON_TX
SC
L
SD
A
SIMCL
K
SIMIO
VBAT
+AVDD
+AVDD_HFA
+VDD_IMAGE
32KHz_DIGIT
VDD_SLEE
P
LCD_BL_ON
BACKLIGHT
MIC_BIAS
+VDD_RX_TX
+VCC_SYN
+VDD_IO_HIGH
+VDD_IO_LOW