![background image](http://html.mh-extra.com/html/samsung/sgh-d500/sgh-d500_service-manual_1190461051.webp)
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
7-29
GSM900 RX
DCS RX
PCS RX
C137
39PF
C114
100PF
33PF
C119
7P F
R112
0
C109
100NF
C118
+VCC_SYN
33
SWON
40
TXVCC
39
26
VCCCP
VCCI
F
11
31
VCCRF
28
VCCRFL
O
23
VCCSYN
16
VDDL
LBO
38
NC1
45
46
NC2
17
PGMDI
V
10
QA
9
QB
21
REFIN
19
REFVCC
RFTUNE
25
SWBI
A
32
SWBI
B
34
GNDRF3
1
3
GNDRF4
GNFRF2
37
HBIA
35
HBIB
36
2
HB
O
IA
8
IB
7
29
LBIA
LBIB
30
EN
EXTRES
27
4
FESW
1
FESW
2
5
FESW
3
6
GND1
41
42
GND2
GND3
43
44
GND4
GNDL
15
GNDREF
22
GNDRF1
UAA3587GHN
U102
CLK
13
CLKFDBX
20
CLKOUT
18
CTRL
24
DATA
12
14
330
R108
R103
10
100PF
C113
C129
100PF
C121
33PF
C150
NC
39PF
C111
L109
C110
100NF
6.2nH
L106
8.2PF
5
1 IN
OUT
3
OU T 4
L107
F100
FAR-F5EB-942M50-B28EH
2
GG
12nH
12nH
R115
0
L105
NC
C136
C112
33PF
220NF
C123
R104
220K
+VCC_SYN
100PF
C151
R114
0
C145
NC
L118
100nH
C115
C104
39PF
39PF
R113
0
10K
R101
F101
FAR-F6EB-1G9600-B2BE
2
GG
5
IN
1
3
OUT
OUT
4
C120
+VCC_SYN
18PF
220K
R102
C117
100NF
L101
18nH
5.6nH
47PF
C103
L104
NC
C146
18
R106
R107
330
39PF
10N F
C141
C140
L102
1.0nH
L100
22nH
NC
C101
C100
NC
0
R100
L103
33nH
C105
47PF
C122
18PF
27PF
C133
2
GND
3
OU T
VC
C
4
VCON
1
2
GG
5
IN
1
3
OUT
OUT
4
U101
TCO-5871U 26MHz
F102
FAR-F6EB-1G8425-B2BG
FESW
2
GSM_TX
+VDD_RX_TX
26M_CLK
AFC
PON_3587_SYNTH
+VDD_RX_TX
PON_SW
RF_DATA
RF_CLK
RF_EN
+VDD_IO_LO
W
D_REF_CLK
DCS_TX
FESW
3
FESW
1
RX_TX_I
P
RX_TX_I
N
RX_TX_Q
P
RX_TX_Q
N
+VCC_SYN