Samsung SGH-N288, Service Manual

Page: 51 / 51

5-22 Flow chart of trouble shooting
L
L
Film Cap
Coilcraft
Tx(DCS)
L
Coilcraft
L
2012
LH
Film Cap 2012
L
VC2
H
VC1
Tx(GSM)
VC3
H
RX
R604 10
L633
10
R605
33nH
33PF C647
C698 NC
4.7nH L631
C665 27PF
C669
39nH
L622
47PF
L611
8.2nH
100PF C668
1
PINGSM
5
POUTDCS
4
POUTGSM
2
VAPC
7
VCTL
3 VDD1
6
VDD2
G2
11
G3
12
G4
13
G5
14
G6
15
G7
16
G8
17
G9
8
PINDCS
U608
PF08107B-TB
9
G1
18
G10
10
1
IN1 IN2
3
OUT1
7 5
OUT2
C677
100PF
R652 NC
U603
FAR-G6CH-1G8425-L218
2
G1
G2
4
6
G3
G4
8
2
3
1
18nH L612
2SC4617
Q604
6.8nH
L614
B1
5
B2
6
C1
3
C2
1
E1
4
E2
Q600
RN4985-TE85L
2
C614
56nH
L621
VCCMIX
12
VCCPLL/LNA
48
VCCRELO
11
VCOIN
100PF
RFLOIN
1
SDATA
37
TESTOUT
14
VCCCOMP
42
VCCCTRL
45
VCCIF
29
VCCIFLO
22
VCCIQ
51
POONRX1
32
POONRX2
38
POONTX
18
QIN
17
QINB
25
QOUT
24
QOUTB
21
RESET
47
MIX1GSMINB
49
MIX1OUT
50
MIX1OUTB
44
MIX2OUT
43
MIX2OUTB
36
NC NC
34
15
PLLOUT
33
IIN
19
IINB
27
IOUT
26
IOUTB
55
LE
MIX1DCSIN
3 2
MIX1DCSINB
53
MIX1GSMIN
54
GSMB
4
GSMC
5
GSME
16
ICURAD
31
IFDIVSEL
41
IFIN
40
IFINB
30
IFLOIN
20
DCSE1
7
DCSE2
39
GNDCTRL
46
GNDIF
28
GNDIFLO
23
GNDIQ
52
GNDMIX
GNDPLL/LNA
13 6
35
BAND
56
CLK
10
DCSB
8
DCSC
9
100 R622
HD155128TF
U605
R638
91K,1%
R625 270
82nH
R628
68
C658 100PF
L601
1UF/16V
C649
R639 10
6.8NF C654
R633
10K
OUT1 OUT2
6
R647
NC
6.8nH
L613
U604
B4121
1
G1
G2
3
5
G3
IN
2
4
82nH L600
GND
2 OUT 3
VC 1 4
VCC
120
U613
TCO-9131B(13MHz)
R648
C.OUT
1
2
GND
4
IN
3
OUT DCS214E-1747
U609
47
C601 1NF
R606
10NF
C673
68
R631
R636
2.2K
39nH L605
C695 8PF
ANTENNA
A1
10NF C600
100PF
C681
L607 NC
10K,1%
R618
1
2
3
4
5
6
7
8
CRB2A4E100JT
R642
GSM_RX
7
GSM_TX
4
VC1 VC2
14 11
VC3
3.3PF
C639
G
G
5
6
G
G
8
10
G
G
12
15
G
G
17
9
SHS-L090DE
U602
ANT
2
DCS_RX
16
DCS_TX
13
G
1
18
G
3
3PF
10K
R641
C625
C671
10NF
27PF
R630 150,1%
C682
27PF C675
L623 39nH
C663 560PF
4.7nH L632
220uF/6.3V
R651 10K,1%
C632
C604
NC
C672
560PF
R617
10K,1%
C637 33PF
C646 33PF
R624
15K,1%
R650
100PF C657
2K
2.2nH L617
C613
1NF
1NF C699
L602
NC
C620 1NF
R637
10K
R611
36K
C680 27PF
C676 10NF
C623
1NF C645
27PF
C622 270PF
47PF C661
R654
0
68
R629
SENB
17
VDDD
24
VDDI
11 VDDR
XIN
15
6.8nH
L618
PWDNB
6
RFLA
5
RFLB
3
RFLC
2
RFLD
10
RFOUT
26
SCLK
27
SDAT
25
GNDR
19
IFLA
20
IFLB
23 IFOUT
NC
1
8
NC
14 NC
NC
21
13
AUXOUT
29 GND
16
GNDD
18
GNDD
22 GNDI
4
GNDR
7
GNDR
9
GNDR
28
SI4133-MLP28
U612
12
C643
2PF
G3
6
G4
1
IN
2
OUT
1K
R634
U600
CRS5001-1702
3 G1
4
G2
5
C636
1NF
L615
2.2nH
C630
390PF C655 C606 47PF
NC
C624
0.5PF
1NF
3.9K
R640
C670
180
100PF C666
L620 33nH
R646
NC
C608
L604
68nH
10K
R635
9
PS
RFIN1
11
RFIN2
14
20
VAPC1
VAPC2
19
VCC1
24
7
VCC2
1
NC
6
NC
8
NC
NC
12
NC13 NC16
17
NC
NC
23
4
AMPO
2
DACIN
15
GND1
GND2
10 22
IN+
18
IN2-
21
INI-
5
MODESW
4
OUT
U611
HD155173NP
3
AMPIB
1
G
3 G
5
G
7
G
IN
6 8
IN
OUT
2
46
G3
G4
81
0
G5
G7
12
GSMOUT
1
GSMVCC
11
SW
3
9
VT
MKFC225.000MBA701X-TC11
U601
1NF
ENFVF1ENFVF1
U610
5
DCSOUT
7
DCSVCC
2
G1
G2
R626
C664
C678
22K,1%
L635 4.7nH
100PF
2
B1
5
B2
6
C1
3
C2
1
E1
4 E2
IN
3
OUT
RN4985-TE85L
Q602
U607
DCS214E-0897
C.OUT
1
2
GND
4
68
R621
8.2nH
L603
24
IN 1
OUT
3
NFM39R12C471T1
F600
8PF
C603
R632
68
1NF
C616
2
B1
5
B2
6
C1
3
C2
1
E1
4
E2
1NF
C648
Q601
RN4985-TE85L
R614
EXB24AT4AR
GND
1
GND
2
4
IN
3
OUT
C628 27PF
C679
100PF
330PF
C650
NC C631
R627 47
33nH
L630
L608 82nH
R616 100
C609
8PF
B4133
U606
G1
1
3
G2
G3
5
2
IN
OUT1
4 6
OUT2
C689 2.2PF
1.5PF
R623 220
2
3 1
C629
DTC114YE
Q603
560PF C674
10nH L616
R655
0
390PF C653
C605 10PF
C612 1NF
C642 10NF
L634
22nH
EXB24AT4AR
R613
GND
1
GND
2
4
IN
3
OUT
1NF
100PF
C619
C667
C638 100PF
10PF C602
R656
NC
C684 33PF
100PF
C618
5.6pF
C607
10UF C635
150PF C617
6.3V
51
R653
6.8nH
VC1
VC3
3VTXRX
L619
SYNEN1
VC1
VC2
RXEN1
TXEN2
3VTXEN1
AFC
VC1
VC2
3VTXRX
TXPOWER
+VBATT
BANDSEL
VC3
3VSYNTH
3VTXRX
BANDSEL
ITXP
SDATA
SCLK
AGC_EN
RXEN2
TXEN1
IFLO
3VTXRX
QTXP QTXN
3VTXRX
RFLO
IRXN IRXP QRXP QRXN
ITXN
XVCC
CLK13M
SCLK
SDATA
RFLO
IFLO