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5-25
Flow chart of Troubleshooting and Circuit Diagram
XVCC
1.2PF
C602
C600 22NF
100PF
C604
R602
F601
B7820
2
G
G
5
IN
1
3
OUT
OUT
4
150
22NF
C601
22NF
33PF
C611
C608
22NF
C612
C610 22NF
22NF
C609
6
TXIP
5
8
TXQN
TXQP
7
VDD1
23
14
VDD2
32
VDD3
26
VDD4
RFIGN
RFIGP
21
18
RFIPN
RFIPP
17
13
RFLON
12
RFLOP
24
RFOD
RFOG
25
TXIN
IFLOP
1
ION
IOP
2
L1
29
28
L2
PDNB
31
20
RFIDN
RFIDP
19
22
11
GND
27
30
GND
GND
33
GND
34
GND
35
GND
36
IFLON
10
9
SI4200-BM
U600
3
CKN
4
CKP
16
DIAG1
DIAG2
15
GND
R605 NC
R603
10K
R609
1.5K
0
R608
2
G
5
G
1
IN
3
OUT
4
OUT
R606 150
F600
B7716
R604
39
R600 39
R607
120
150
16
SENB
20
VDDA
VDDC
6
XIN
7
XOUT
19
R611
14
PDNB
RXIN
5
RXIP
4
RXQN
3
2
RXQP
SCLK
17
18
SDI
SDO
15
8
GND
13
21
GND
GND
22
GND
23
GND
24
12
ION
IOP
11
U601
SI4201-BM
CKN
10
9
CKP
GND
1
GND
27nH
COILCRAFT
R601 150
L600
7.5nH
COILCRAFT
L601
1.8PF
C606
1.8PF
C603 1.2PF
C605
NC
R610
33PF
3VRF
CLK13M
MEL13M
SENB
SD
A
T
A_O
SCLK_O
DCSRX
C607
GSMRX
PDNB_O
IRXN
IRXP
QRXN
QRXP
3VRF
B
ANDSEL
_B
ANDSEL
IFLON
IFLOP
RFLON
RFLOP
ITXN
ITXP
QTXN
QTXP
RF13M
DCSTX
GSMTX
Summary of Contents for SGH-A800
Page 2: ...Samsung Electronics Co Ltd Printed in Korea 11 2002 Rev 1 0 GH68 03108A ELECTRONICS ...
Page 12: ...1 10 Exploded Views and Parts List 1 10 Battery Charger BATTERY CHARGER GH44 00279A ...
Page 25: ...4 1 Block Diagrams 4 Block Diagrams 4 1 Main Base Band ...
Page 26: ...Block Diagrams 4 2 4 2 Main RF ...