Samsung SGH-N288 Service Manual page 51

Dual band mobile cellular phone
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5-22
42
41 40
39
38
37
36
35
34
33
32
31
30
29
43
28
MIX2OUTB
GNDIFLO
44
27
MIX2OUT
IOUT
45 VCCIF
26
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
VDD1
VDD2
G7
G5
G4
G3
G2
G1
SW
1
2
3
4
5
6
7
G1
G2
VCC1
NC
24
G3
G4
NC
PS
23
G5
G6
IN+
GND2
22
G7
G8
INI-
RFIN1
21
G9
VAPC1
G10
NC
20
19
18
17
16
15
14
13
GND
NC
GNDR
GNDR
SDAT
RFOUT
SCLK
VDDR
SENB
AUXOUT
VDDI
PWDNB
IFOUT
NC
GNDI
8
9
10
11
12
E1
C1
B2
B1
C2
E2
E1
C1
B2
B1
C2
E2
Flow chart of trouble shooting
1
8
2
7
3
6
4
5
1
2
3

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