Samsung SGH-S300 Service Manual page 22

12
A
Q701
R700
27 0
GREEN_LE D
3
2
OCTL9
1
Q700
B R701
18 0
RED_LED
3
2
OCTL8
1
R711
Q702
100
BLUE_LED
3
2
OCTL10
1
C
U701
6
1
2
VCC D
5
4
3
GSM_TX_E N
R713
C720
100K
100PF
D
U702
1 6
2
VCC D
5
4
3
DCS_TX_E N
C721 R714
100PF 100K
E
U703
6
1
2
VCC D
5
4
3
PCS_RX_E N
F
R715
C722
100K
100PF
12
3 45
U700
DSP_AB(0:8 )
P5 AB 0 K9
DSP_AB(0)
SERC K
N4 M8
DSP_AB(1) AB 1
SERDA
N3 AB 2 P9
DSP_AB(2)
SERLE 1
P2 M7
DSP_AB(3) AB 3
SERLE 2
P1 AB 4
DSP_AB(4)
N1 N6
AB 5
DSP_AB(5) RFOV L
M2
AB 6
DSP_AB(6)
L2 J1 4
DSP_AB(7) AB 7
TXP
K1 AB 8 J1 0
DSP_AB(8)
DSP_DB(0:15) TXIP
H12
TXI N
J2 DB0 H13
DSP_DB(0) TXQP
H2 DB1 J1 3
DSP_DB(1)
TXQN
L1 1
J5 DB2
DSP_DB(2) RXIP
J1 DB3 M13
DSP_DB(3) RXI N
N1 4
H3 DB4
DSP_DB(4)
RXQP
G 3 DB5 P14
DSP_DB(5)
RXQN
F 5
DB6
DSP_DB(6)
G 2 DB7 D11
DSP_DB(7) VREG
A13
F 2 DB8
DSP_DB(8)
MICI N
E2 DB9 B1 2
DSP_DB(9)
MICOUT
D2 DB10
DSP_DB(10 )
A14
D4 DB11
DSP_DB(11 ) AUXI N
B1 4
E1 DB12
DSP_DB(12 )
AUXOUT
E4 DB13
DSP_DB(13 )
C2 DB14 AOUTAP F 1 3
DSP_DB(14 )
G13
B1 DB15
DSP_DB(15 )
AOUTAN
D13
AOUTBP
K4 RW N E1 4
DSP_RWN AOUTBN
K2 IO
DSP_I O
K7
A10 RESETN
RS T MC
G12
AFC
N7
P10 TM S
XOENA
N5
N10 T D I
XOENAQ
N9 T C K
N8 T D O N1 2
XTAL A
XTAL B N1 1
L5 CINT R
CP_IN T
L4 DINTR REFC C13
DSP_IN T
B1 1
VXVCM
B4 OCTL0
EN_VR F
K1 4
A5 OCTL1
EN_VPAC RAREF1
B5 L1 3
OCTL2
SYN_EN RAREF2
B6 OCTL3
TX_EN
B8
B7 OCTL4
SI_EN DAIDO
D5 OCTL5 B9
DAIDI
A6 OCTL6 B1 0
DAICK
E6 OCTL7
DAIRN D10
C7 OCTL8
OCTL8
C8 OCTL9 UC B3
VCCD
OCTL9
A2
A9 OCTL1 0
OCTL10 UC
E9 OCTL1 1
TX_BAND_SEL
K1 1
GNDB
F 1 VDD1 K1 3
VDDB
P6 VDD2
F 1 4
A1 VDD3
VDDC
F 1 0
GNDC
K5 VSS
C713 C714 C715 C716
E1 3
K6 VSS
VDDA
10NF 10N F 10NF 10NF
E5 VSS E1 1
GNDA
E7 VSS
P13
E8 VSS
VDDD
E10 L1 0
VSS
GNDD
G 5 VSS
G10 VSS 1
NC
2
H5 VSS
NC
H10 VSS
K8 VSS
K10 VSS
CSP1093
3 45
SAMSUNG Proprietary-Contents may change without notice
6-19
67
SERCLK
SERDAT TXPOWE R
SERL E
TP714
C70 5
MICI N
NC
MICOUT
AUXI N
AUXOUT
AOUTAP
AOUTAN C706
AOUTBP
NC
AOUTBN
C707 C708
CLK13M_M C
NC 22PF
AF C
XOENA
TP705
TP708
CLK32K
C70 9
C710
220N F
1UF
C711
TP710
100N F
TP711
TP712
TP713
VCCA VCCD
R709 R710
2. 4 2. 4
C712 C717 C718 C719
10NF 10N F 10N F 10NF
Changed by Date Changed Time Changed
2002.11.13
user12 6:03:21 pm
6
SGH-S300 Fl ow Chart of Troubl eshooti ng and Ci rcui t Di agram s
8
A
B
TXIP
TXIN
TXQP
TXQN
RXIP
RXIN
RXQP
C
RXQN
D
E
Engineer
COMPANY NAME
SEOY H
Drawn by Address
F
City
SEOY H
R&D CH K Size
TITLE :
A3
DOC CTRL CH K
SGH-S300
MFG ENGR CH K
QA CHK REV Drawing Numbe r
Shee t of
71 0
7 8