Samsung SGH-N625 Service Manual page 50

Dual band mobile cellular phone
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Flow chart of trouble shooting
42
41 40
39
38
37
36
35
34
33 32
31
30
29
43
28
MIX2OUTB
GNDIFLO
44
27
MIX2OUT
IOUT
45
26
VCCIF
IOUTB
46
25
GNDIF
QOUT
47
24
RFLOIN
QOUTB
48
23
VCCRELO
GNDIQ
49
22
MIX1OUT
VCCIQ
50
21
MIX1OUTB
RESET
51
20
VCCMIX
IIN
52
19
GNDMIX
IINB
53
18
MIX1GSMIN
QIN
54
17
MIX1GSMINB
QINB
55
16
LE
ICURAD
56
15
CLK
PLLOUT
1
2
3
4 5
6
7
8 9
10
11
12
13
14
VCTL
VDD1
VDD2
G10
GND
GNDR
SDAT
SCLK
SENB
VDDI
IFOUT
GNDI
G7
G5
G4
G3
G2
G1
SW
1
2
3
4
5
6
7
G1
G2
VCC1
NC
24
8
G3
G4
NC
PS
23
9
G5
G6
IN+
GND2
22
10
G7
G8
INI-
RFIN1
21
11
G9
VAPC1
NC
20
12
19
18
17
16
15
14
13
NC
GNDR
RFOUT
VDDR
AUXOUT
PWDNB
NC
1
8
2
7
3
6
4
5
1
2
3
E1
C1
B2
B1
C2
E2
5-24

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