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Circuit diagrams
Samsung Electronics
11-2
11-2 TX & RX & LOCAL Circuit Diagram
Dr a wi n g Nu mb e r :
1 0
H
E
4
7
B
6
D
R& D CHK :
2
5
Da t e Ch a n g e d :
F
F
4
( 1 %)
En g i n e e r :
T X & RX & L OCA L
1 0 k
( 1 %)
3
E
8
MF G ENGR CHK :
Pa g e :
C
( c o i l )
1 0
G
Ti me Ch a n g e d :
3
( 1 %)
( 1 %)
( 1 %)
7
Ci t y
( c o i l )
( c o i l )
1 2
( 1 %)
8 . 0
( 1 %)
( 1 %)
( 1 %)
( 1 %)
( 1 %)
8
H
Dr a wn b y :
( 1 %)
C
6
A
2
( 1 %)
G
2
1 1
1 2
1
COMP ANY NAME
( c o i l )
( 1 %)
5
1 1
( 1 %)
1
DOC CT RL CHK :
D
( T HER MAL )
RE V :
QA CHK :
Si z e :
( 1 %)
9
( c o i l )
( 1 %)
Ad d r e s s
( c o i l )
( 1 %)
( c o i l )
B
9
TI T L E:
A
Ch a n g e d b y :
1 . 5K
A2
1 9 9 9 . 0 9 . 1 6
l j c
SCH- 6 2 0 EX P
R 5 6 7
R 4 30
2 2 0 NF
C 5 6 0
1 6
2 0 V
C 5 5 5
1 0 0 PF
R 4 1 1
L 4 4 0
C 5 5 3
1 0 0 NF
6
0
R3 2 1
T 1
S T H- 0 1 R
4
2
R 4 3 8
2 K
R 5 7 1
1 0
C 5 2 5
1 0 0 PF
C 5 5 8
1 0 0 PF
1 0 0 PF
C 5 5 9
F5
0
2
C 5 0 3
1 0 0 PF
C 5 6 3
5 6 PF
6 . 8 N F
C5 5 1
6 . 3 V
1 0 UF
C 3 7 3
6 . 8 N F
C2 3 1
L 5 1 1
6 . 8 n H
2 . 2 K
C 4 2 0
1 0 NF
C 4 3 1
7 PF
R 5 0 3
C 5 5 4
1 0 0 PF
C 4 2 5
1 0 NF
6 . 8 n H
L 4 3 2
8 . 2 n H
L 5 2 2
L 3 2 1
1 0 0 n H
L 5 1 0
C 4 7 6
1 . 5 PF
6 . 3 V
1 0 UF
C 4 8 0
C4 6 0
1 0 NF
C4 5 3
2 . 2 N F
C 5 5 7
1 0 0 PF
R4 3 5
1 8 K
2 2 0 n H
L 4 1 4
C 5 6 2
1 PF
1 0 0 PF
C 5 5 6
L 3 0 1
V CC3
1 9
C4 7 3
1 0 0 N F
NC
5
1 8
RF
O
U
T
+
1 7
RF
O
U
T
-
9
RF
V
C
NT
RL
1 1
T XEN
1 2
V CC
6
VC
C
1
VC
C
2
8
GN
D
1
7
GN
D
2
1 4
1 6
GN
D
3
GND4
2 1
GN
D
E
X
C
1 5
1
I F I N+
I F I N-
2 0
LO
I
N
3
U4 0 4
2
EN
AB
L
E
EXC
-
I
N
1 3
EXC
-
O
U
T
1 0
FM
/
C
D
M
A
4
D4 0 1
3
1
2
C 3 7 0
1 0 0 PF
L 4 0 3
N C
L 5 0 1
1 8 n H
R 5 6 5
1 0 0
R 3 0 0
Q3 0 3
1
3
2
2 4 K
1 0 0 P F
R 3 1 1
1 0
R 5 7 2
C4 7 2
C 4 0 1
N C
D3 0 1
C 3 0 5
C 5 4 3
2 7 PF
R 4 0 5
1 0 0 PF
1 1 PF
1 0 K
C4 6 1
C3 6 2
L 5 0 9
1 0 NF
R4 3 7
3 9 0
1 0 0 PF
C 4 0 9
R4 4 0
R4 3 6
3 . 9 K
1 0 K
1 0 K
2 7 NH
L 4 0 1
R3 0 9
C4 6 6
1 0 NF
9 1 0
F 4 0 1
G
1
G
3
G
4
6
G
2
I N
OUT
5
R 5 0 1
4 . 7 NF
C 3 2 2
D3 0 2
C 4 2 1
C 4 4 0
1 0 0 NF
1 0 0 PF
C 4 2 6
4 . 7 PF
1
3
2
C3 5 5
1 0 0 N F
Q5 0 5
C 5 3 0
1 0 0 NF
1 0 0 N F
R 3 0 6
1 K
C3 8 3
R4 5 0
2 . 7 K
0
R5 5 8
C5 4 9
1 0 UF
C4 6 8
1 0 UF
6 . 3 V
R 3 0 1
L 3 2 0
1 2 0 n H
1 K
G
2
I N
5
OUT
R4 5 9
6 2 K
F 3 0 1
1
G
3
G G
4 6
1 0 0 PF
C 3 1 1
1 0
L 3 2 3
4 7 0 n H
L 3 2 4
5 6 0 n H
R 5 0 5
1 0 0 N F
1
3
2
C4 7 1
N C
Q5 0 2
C 4 7 5
2 . 2 PF
L 3 0 6
R3 3 1
4 7 K
L 3 4 1
C4 1 3
8 . 2 N F
L 3 1 2
4 7 0 n H
8 2 n H
L 3 0 5
6 . 3 V
4 . 7 UF
C 5 0 8
C 4 3 2
1 NF
1 0
R 5 0 2
C 4 2 7
1 0 0 PF
4 . 7 N F
C3 2 3
R 4 6 2
4 7 K
1 NF
C 4 1 0
8
T CXO_ I N
VC
C
2 3
2 4
VC
C
1
2
VP
VP1
2 2
1 7
_ I F _ I N
_ RX_ I N
6
9
1 0
GND5
GND6 1 3
1 6
GND7
GND8 1 9
2 1
GND9
I F _ I N
1 8
5
R X_ I N
1 4
DA
T
A
2 0
D OI F
D O_ RF
3
EN
1 5
FO
L
D
1 1
1
GND1
4
GND2
GND3 7
GND4
U5 0 4
1 2
CL
K
C 5 0 5
3 3 NF
Q4 0 2
2
3
1
C 4 2 4
1 0 0 NF
R 5 6 1
N C
1 NF
C 3 1 3
1 0 NF
C 5 1 6
C 3 2 5
3 PF
8 . 2 n H
L 3 1 3
6
VDD3
1 4
VDD4
1 5
1 7
VDD5
2 0
VDD6
VDD7
2 4
VDD8
3 5
4 4
VDDM
3 2
SBDT _ F M/
3 1
2 6
SBI _ EN
3 0
SBST _ I DL E/
T CXO
3 6
TC
X
O
/
N
3 7
7
VCON T ROL
4
VDD1
VDD2
4 5
RXI D 3
4 2
RXQD 0
RXQD 1
4 1
4 0
RXQD 2
RXQD 3
3 9
R
XVC
O
_
O
U
T
2 5
2 1
R
XVC
O
_
T
1
R
XVC
O
_
T
2
2 2
SBCK _ SL E EP/
1 6
GND5
GND6
1 8
1 9
GND7
GND8
2 3
3 4
GND9
I_
O
F
F
S
E
T
2 8
2 7
Q_
OF
F
S
E
T
RXI D 2
4 6
4 8
2
F M_ R X_ ST B
F M_ S L OT
2 9
GND1
3
GND1 0
4 3
5
GND2
8
GND3
GND4
1 3
1 1 CDMA _ I F
CDMA _ I F /
1 2
CHI P X8
3 8
DNC
3 3
F M_ I F
1 0
9
F M_ I F /
1
RM_ R X_ CL K
4 7
100
U3 0 4
R 4 0 3
C 4 0 7
1 0 0 NF
N C
L 5 0 3
1 0 NF
C 4 0 3
1 0 NF
NC
C 5 1 3
1 0 n H
L 3 0 2
C4 5 4
8 PF
C 5 2 6
L 3 0 7
C 5 1 5
1 0 0 PF
5 PF
G1
3
G2
G3
4 6
G4
G5
8
OUT
1
7
V CC
5
V T
OSC1
2
C 4 8 6
1 0 NF
R3 1 5
1 0 0 K
C3 3 3
1 0 0 N F
D4 0 3
C 3 2 0
4 7 0 PF
CN5 0 1
3
G1
G2
4
5
G3
6
G4
I N
1
OUT
2
L 4 4 3
1 2 0 n H
L 4 1 3
R4 4 1
1 . 8 K
1 0
R 3 1 0
C 5 4 0
N C
C 4 0 2
C 4 7 7
1 0 0 PF
6 . 3 V
1 0 UF
C 4 4 4
N C
L 2 0 2
4 . 7 mH
1 0 0 N F
C2 4 7
R 4 0 2
4 7 K
C2 4 8
6 . 8 N F
R F _ I N
3
R F _ OU T
C4 5 1
1 NF
U5 0 3
1
GND1
GND2
4
2
0 . 5 PF
C 5 2 3
L 3 5 0
0
L 4 0 5
2
3
1
C 5 1 4
2 2 0 PF
Q4 0 4
C3 6 1
1 0 0 P F
2 0 K
C3 7 8
1 0 NF
R 4 2 7
2
Q3 0 2
Q2 0 6
1
3
C4 8 8
1 0 0 N F
1 0 0 NF
R4 5 5
1 0 0 K
C 3 2 1
C 4 2 2
1 0 0 PF
C4 5 2
1 2 PF
C 4 0 5
4 7 PF
C2 2 9
6 . 8 N F
6 . 8 N F
C2 2 8
R2 2 6
3 . 3 M
1 UF
R2 2 8
6 2 0 K
C2 4 0
0
R5 5 6
C 5 0 4
1 0 0 NF
7
VOUT
U2 0 9
BASE
2
3
CHF
5
E
GND
6
1
L +
L -
8
V+
4
1 0 0 NF
C 3 7 4
1 0 0 P F
C3 5 7
0 . 5 PF
C 5 4 4
R 4 2 6
C4 5 5
8 2 PF
1 5 K
R4 5 2
6 . 2 K
4 7 K
R2 2 1
1 0 0 N F
C4 5 6
C4 6 9
R4 5 1
1 0 0 P F
2 1
VDDM2
C4 7 0
1 0 0 N F
2 0
T X_ C L K/
VCON T ROL
4
VDD1
6
2 3
VDD2
4 0
VDD3
4 5
VDD4
VDD5
4 7
VDDM1
9
1 6
T XD5
T XD6
1 7
1 8
T XD7
2
T XI F _ OUT
T XI F _ OUT /
1
4 3
T XVC O_ T 1
T XVC O_ T 2
4 2
T X_ C L K 1 9
3 3
SEL
1
_
PA_
O
N
3 0
T CXO
3 5
T XD0 1 1
1 2
T XD1
T XD2 1 3
1 4
T XD3
T XD4
1 5
1 0
GNDD
L OCK _ DET
3 6
PD_ I SET
3 7
3 8
PD_ OUT
8
RBI A S
3 4
SBCK _ SEL 2
3 2
SBDT _ F M/
SBI _ EN
3 1
SBSK _ I DL E/
4 1
GND1
3
5
GND2
GND3
7
2 2
GND4
GND5
3 9
4 4
GND6
GND7
4 8
2 6
ADC_ CL K
ADC_ DAT A
2 5
2 4
ADC_ ENAB L E
2 7
AD
C
_
I
N
1
2 8
AD
C
_
I
N
2
AD
C
_
I
N
3
2 9
4 6
DNC
F M_ MOD
U4 0 6
L 4 2 2
1 0 0 P F
C5 4 1
L 4 3 0
1 0 0
1 5 K
R4 5 8
1 NF
C 3 0 7
Q2 0 4
1
3
2
C3 4 9
1 NF
C3 4 7
1 NF
3 . 3 K
R2 4 0
C3 4 6
NC
3
2
1
4
5
2
3
1
U2 0 2
NC
R2 2 2
Q2 0 5
C2 3 2
6 . 8 N F
1 0 K
R2 2 4
1 8 PF
C 3 0 6
1 UF
1 0 0 K
R3 2 0
2 2 n H
C4 5 8
1 0 V
0
R5 5 7
L 4 2 0
12nH
L434
8 . 2 K
4.
7n
H
L435
8 2
R4 5 4
C 4 1 9
R 3 0 4
C5 4 2
1 0 0 PF
1 0 0 N F
1 0 0 N F
1 0 NF
C 4 1 4
C4 6 2
C 4 2 8
1 0 0 PF
1 8 0 n H
L 4 1 1
C3 4 4
3 PF
3 6
R2 4 2
L OSRC
R F
1
V DD
4
U3 0 2
GND
5
I F6
L O
3
2
C4 8 2
1 0 NF
1 0 0
R 4 2 4
6 . 3 V
1 0 UF
C 5 0 2
C3 4 2
2 7 PF
C3 6 4
1 0 0 P F
1 0 UF
C 4 0 4
C 3 7 5
1 0 NF
6 . 3 V
L 4 0 9
R5 5 1
5 . 6 K
Q3 0 4
1
3
2
C 5 0 6
1 0 NF
R 33 0
4 7K
2 2 PF
C3 2 8
1
G
G
3
G
4
6
G
I N
2
5
OUT
C3 4 1
1 0 0 P F
F 4 0 2
C3 6 3
4 . 7 N F
2 7 PF
C3 4 0
0
R 5 6 0
4 . 7 N F
C3 8 2
I N
1
5
OUT
4
6 . 3 V
1 0 UF
C3 7 7
U4 0 7
3
E N
GND
2
R 4 0 8
3 . 3 K
1 0 NF
C3 7 9
1 0 UF
6 . 3 V
C4 6 7
C 4 3 0
7 PF
C 4 7 8
1 0 NF
5 . 6 p F
C3 4 3
L 3 0 4
1 5 n H
1 0 0 N F
C3 5 8
C 3 0 3
L 5 2 1
6 . 3 V
1 0 UF
C 4 8 7
1 0 0 PF
C 3 0 1
4 7 NF
C 4 4 2
1 NF
3
4
1 5 0 K
R3 4 1
Q4 0 1
1
2
5
6
G
R5 5 2
2 2 K
1 0 0 NF
C 3 0 4
C 4 0 6
1 0 UF
6 . 3 V
C 3 2 9
4 . 7 NF
2
C 5 5 2
1 0 0 NF
Q3 0 1
1
3
6 . 8 n H
L 4 3 1
1 0 0 PF
C 3 0 8
3
5
4
R
550
47K
U4 0 3
2
1
1 0
R4 6 0
1 0 NF
C3 8 1
1 0 0 N F
C3 5 2
D3 0 3
1 NF
VOUT
VR
7
1 6
VSS
C 4 4 3
2 7
RW_ WR
6
V0
V1
5
4
V2
V3
3
2
V4
VDD
1 5
VDD1
1 7
1 4
DB4
2 1
DB5
2 0
DB6
1 9
1 8
DB7
2 6
E_ RD
I NT R S
1
2 9
RESE T B
2 8
RS
C2 -
C3 +
1 3
1 2
C3 -
CS2
3 0
DB0
2 5
2 4
DB1
2 3
DB2
DB3
2 2
U2 0 7
3 1
3 1
3 2
3 2
C1 +
1 1
1 0
C1 -
C2 +
9
8
8 . 2 n H
L 3 1 1
1 . 2 K
R4 5 7
1 0 K
R4 5 3
C2 3 9
1 UF
C2 3 4
C2 3 7
1 UF
R3 2 2
1 UF
1 0 K
1 0 NF
C3 8 0
L 3 3 1
1 0 0 PF
1 NF
C3 6 0
C 4 8 5
0 . 5 PF
C 3 0 9
C 4 3 4
1 NF
C3 4 5
1 NF
1 0 0 PF
C 4 8 3
1 0 0 N F
C3 5 3
C 3 2 7
1 NF
C4 5 0
R3 2 3
1 0 K
8 2 PF
A N5 0 1
U5 0 2
2
GND
3
OUT
V C
1
V CC
4
C4 6 4
1 0 NF
C4 6 3
1 0 NF
C4 7 4
1 0 0 P F
6 8 K
C 4 7 9
1 0 0 PF
C 4 8 9
1 . 5 PF
R 5 6 4
C 5 4 5
1 0 0 PF
C 5 1 2
N C
C 5 1 0
3 6
1 0 0 PF
C 5 6 4
1 0 NF
R2 4 3
1 0
R 5 6 9
4 . 7 NF
2 2 K
R2 3 4
1 0 0 PF
C 4 0 8
C 4 8 4
1 UF
C2 3 3
6 . 3 V
1 0 UF
C3 7 1
0
R2 2 3
1 8 0 n H
L 4 1 2
1 0 PF
C 5 0 1
C2 3 0
1 0 0 N F
R 5 7 0
1 0
1 0 NF
C3 8 4
C 4 2 3
1 0 NF
C 4 9 0
1 0 0 NF
6 . 3 V
1 0 UF
C3 5 0
4
OUT
3 6
R2 4 4
2
G2
G3
3
G4
5
6
G5
G6
7
8
G7
G8
1 0
I N
9
D4 0 2
F3 0 4
G1
1
C 3 8 5
1 0 0 K
R4 6 1
1 6
N C
R 5 6 6
C3 5 4
1 0 0 P F
R 5 6 8
5 . 1 K
1 3 K
1 0 0 NF
R4 5 6
R4 0 7
2 0 K
C 5 6 1
1 0 0 NF
N C
L 3 0 3
C 3 0 2
4
1 NF
C 3 3 2
3
EN
GND
2
I N
1
OUT
5
L 3 0 8
N C
U3 0 6
C 4 4 1
1 0 0 PF
1 0 V
1 UF
C 4 9 2
C 4 2 9
1 0 0 PF
C 3 1 0
1 0 UF
3 . 3 M
R 3 0 5
1 NF
C 3 3 1
C 5 1 1
1 0 0 PF
L 5 0 2
0
1 0
R 3 1 3
1 0 0 PF
C 3 2 4
5 6 n H
L 3 3 2
1 0 0 N F
1 NF
C3 2 6
C3 7 2
4 . 7 N F
C 37 6
2 7 K
R 4 0 4
9 PF
C3 3 4
1 0 0 N F
E N
2
GND
I N
1
OUT
5
4
C3 4 8
U3 0 5
3
C4 5 7
1 NF
V CC1
8
4
V CC2
3
V REF
1 0 0 PF
C 5 2 2
U4 0 1
GN
D
1
1
GN
D
2
5
GN
D
3
7
GN
D
4
9
RF
O
U
T
6
R F I N
2
G6
I N+
9
8
I N-
OUT +
4
3
OUT -
F 4 0 3
1
G1
G2
2
5
G3
6
G4
G5
7
1 0
1 0 NF
C 4 1 2
C3 5 9
1 NF
5 1 0
R 3 1 2
1 0 UF
C5 5 0
1 0 0 NF
C 4 9 1
11
12
G9
RX
3
2
T X
C 3 1 2
1 NF
13
14
G1
1
5
G2
G3
6
G4
7
8
G5
G6
9
10
G7
G8
1 . 5 K
F 5 0 1
1
A NT
G1
4
G1
0
1 NF
R4 3 1
C 3 1 4
L 5 1 6
1 0 0 P F
C3 5 6
8 . 2 n H
6 . 8 n H
L 4 3 3
L 3 1 0
1 0 0 PF
L 3 1 4
31
1 0 0 PF
C 5 0 9
1 NF
Q5 0 1
2
C 3 1 5
1 0 0 NF
C 5 2 1
1 0
I N. R
1
6
OUT
OUT . R
5
8 . 2 n H
C 5 2 4
F3 0 3
G1
2
3
G2
G3
4 7
G4
8
G5
G6
9
I N
2 2 0
R 3 1 4
C3 5 1
1 0 0 P F
1 0 UF
6 . 3 V
C4 8 1
C 5 0 7
4 . 7 NF
1 K
R2 3 2
P L L _ D AT A
TX
O
U
TP
U
T
F M_ MOD
SW- 3 9 5
U3 0 3
EL 2
R X_ I F _ DO
P L L _ C L K
T CXO
P L L _ E N
L CD_ CS
_ RES ET
A( 1 )
_ L WR
EL 1
EL 2
EL _ E N
L ED_ ON
EL _ E N
EL 1
T X_ A GC1
ADC_ CL K_ SBCK
ADC_ ENA_ SBST
ADC_ DAT A _ SBD T
T X_ I F
T X_ I F _
T CXO
T X_ C L K
_ T X_ CL K
L OCK
SEL _ PA_ ON
PD_ OUT
V_ F
V_ F _ CON
V_ I N
T X_ I Q_ D( 0 : 7 )
AD( 0 : 1 5 )
A
D
(
0
:
15)
T X_ AGC2
T CXO_ N
PD_ OUT
_ I DL E
P A_ ON
MODE
T X_ 1 S T _ L O
C
O
N
_
SL
EE
P
+3
.
0
B
T X_ AGC1
T CXO
ADC_ CL K_ SBCK
_ SL E EP
T X_ AGC2
RX_ A GC_ A DJ
T X_ 1 S T _ L O
MODE
T X_ I F
T X_ I F _
F M_ C L K
_ SL E EP
Q_ OF F SET
ADC_ DAT A _ SBD T
ADC_ ENA_ SBST
I _ OF F SET
CHI P X8
C_ RX _ QD( 0 : 3 )
F M_ S T B
C_ RX _ I D( 0 : 3 )
R XI F _ I N
_ I DL E
RX_ I F _ DO
V_ I N
I MD_ C T L
T RK_ L O_ A DJ
V_ I N
T X_ A GC_ A DJ
RXI F _ I N
V_ I N
_ I DL E
GAT E
V BAT
+3.0B
+3.0V
+3.0R
+3.0R
+3.0RL
+3.0R
+3.0R
+3.0R
+3.0RL
+3.0R
+3.0T
+3.0T
+3.0T
+3.0T
+3.0T
+3.0T
+3.0T
+3.0V
+3.0V
+3.0V
+3.0V
+3.0V
+3.0V1
+3.0V1
+3.0V
+3.0B
+3.0B
+3.0V
+3.0T
+3.0B
+3.0R
1
3
5
4
6
2
GND
VA
VB
RF1
RF2
COM
Summary of Contents for SCH 620
Page 75: ...9 Block Diagrams SAMSUNG Proprietary Contents may change without notice 9 1 9 1 Main Diagram ...
Page 77: ...SAMSUNG Proprietary Contents may change without notice 9 3 MEMO MEMO ...
Page 79: ...PCB diagrams Samsung Electronics 10 2 10 2 Main PCB Bottom Diagram ...
Page 80: ...PCB diagrams Samsung Electronics 10 3 10 3 CLC PCB Top Diagram 10 4 CLC PCB Bottom Diagram ...
Page 81: ...PCB diagrams Samsung Electronics 10 4 10 5 Hands free Kit PCB Top Diagram ...
Page 84: ...Samsung Electronics 11 3 Circuit diagrams 11 3 CLC Circuit Diagram ...
Page 85: ... Samsung Electronics Co Ltd APRIL 2000 Printed in Korea Code No GH68 00669A BASIC ELECTRONICS ...