Samsung SCH-A105 Service Manual page 62

Circuit diagrams
11-2 TX Circuit Diagram
1 2
A
3 . 0 V
R 5 0 8
C 5 9 8
1 0 0 K
1 0 0 NF
C 5 0 7
R 5 1 2
D 5 0 1
1 2 0 PF
1 0 K
B
P D _ OU T A D C _ D A T A _ S B D T
A D C _ E N A _ S B S T
A D C _ C L K _ S B C K
C 5 1 1
1 N F L 5 0 1
C 5 1 2
2 7 n H
5 . 6 PF
T X _ A G C _ A D J
T H 1 C 5 3 0
R 5 1 7 D 5 0 2 C 5 1 4 1 0 0 PF T X I F _
1 0 K 1 2 0 PF T X I F
C 5 1 3
R 5 1 6 R 5 1 5
2 . 2 NF
3 . 9 K, 1 % 1 8 K ,1 %
C 5 8 3
1 0 0 PF
3 . 0 BT
3 . 0 V
C R 5 2 1 3 . 0 B
3 9 0 ,1 %
L 5 0 2
C 5 2 4 C 5 2 2
C 5 2 3
1 0 U F 1 0 N F 1 0 0 PF
C 5 7 0
6 . 3 V
1 0 N F
D
U 5 0 3
C 5 3 8
1 0 U F
C 5 4 0 L 5 0 7
6 . 3 V
1 0 N F
1 5
V I N I N O U T
2
G N D C 5 4 1
1 0 N F
R 5 3 1
3 E N 4
C 5 4 3 C 5 4 6
1 0 0 K R E F _ B Y P
1 0 U F 1 0 N F
6 . 3 V
C 5 4 9
_ I D LE
1 0 N F
E
3 . 0 R
C 5 3 4 C 3 0 3
C 3 0 4
L 3 0 2
1 0 N F
3 3 U F 1 0 0 PF
8 . 2 nH
6 . 3 V
U 3 0 1
F
3 1
R X _ LO R F _ O U T G N D 1
C 3 0 6
4 2
1 0 0 PF
G N D 2 R F _ I N
L 3 0 5
5 . 6 nH
3 . 0 R
L 3 0 6
R 3 0 7
1 0
G
H
1 2
3 4 5
V B A TT
R 5 0 0
1 3 0 K, 1 %
S E L 1_ P A _O N
R 5 0 5
2 2 K ,1 %
R 5 0 3
R 5 04
C 5 0 6 R 5 0 6
U 5 0 1
1 0 N F
C 5 0 3 C 5 0 2
3 0 2 7 2 8 2 9
1 0 N F 1 0 N F
R 5 3 2
8 . 2 K
1 0
G N D D
4 8
G N D 7
4 4
G N D 6
4 6 3 9
D N C G N D 5
2 2
G N D 4
3 1 7
S B I _ E N G N D 3
3 2 5
S B D T _ F M / G N D 2
3 3 3
S B S K _ I D L E / G N D 1
3 4
S B C K _ S E L 2
2 6 R 5 1 4
A D C _ C L K
6 2 K
4 2 2 5
T X V C O _ T 2 A D C _ D A T A
4 3
T X V C O _ T 1
4 2 4
V C O N T R O L A D C _ E N A B L E
3 6
L O C K
L O C K _ D E T
3 7
P D _ I S E T
1 3 8
T X I F _ O U T / P D _ O U T
2 3 5
T X I F _ O U T T C X O T C X O R 5 1 9
0
C 5 1 9 1 0 N F R 5 2 2 1 0
2 0
_ T X _C L K
T X _ C L K /
4 1 1 9
F M _ M O D T X _ C L K T X _ CL K
T X _ IQ _ D (0 : 7 )
1 1 T X _ I Q _ D ( 0 )
T X D 0
2 1 1 2 T X _ I Q _ D ( 1 )
V D D M 2 T X D 1
9 1 3 T X _ I Q _ D ( 2 )
V D D M 1 T X D 2
4 7 1 4 T X _ I Q _ D ( 3 )
V D D 5 T X D 3
4 5 1 5 T X _ I Q _ D ( 4 )
V D D 4 T X D 4
4 0 1 6 T X _ I Q _ D ( 5 )
V D D 3 T X D 5
2 3 1 7 T X _ I Q _ D ( 6 )
V D D 2 T X D 6
6 1 8 T X _ I Q _ D ( 7 )
V D D 1 T X D 7
8
3 . 0 BT
C 5 7 1
R 5 2 4
1 0 0 PF
1 0 0 K
3 . 0 T
C 5 3 3
F 5 0 1
L 5 0 5
1 N F
2 7 0 nH
T X I F_
8
I N - O U T +
R 5 3 0 C 5 3 6
9
N C 1 N F
I N + O U T -
T X I F
G 1 G 2 G 3 G 4 G 5 G 6
C 5 3 9
1 2 5 6 7 1 0
1 N F
3 . 0 BT
3 . 0 R
C 3 0 0
1 0 0 PF
C 3 0 1
1 0 N F
L 3 0 0
8 . 2 nH
U 3 0 0
1 3
G N D 1 R F _ O U T
L 3 0 1
5 . 6 nH
C 3 0 2
2 4
1 0 0 PF
R F _ I N G N D 2
C 3 0 5
L 3 0 3
1 0 0 PF
R 3 0 0
4
0
2
R 3 0 2
1 0 0
6
C 3 0 8
C 3 0 9
1 P F
2 P F
C 3 1 2
R 3 0 3 R 3 0 4
1 0 0 PF
1 6 1 6
R 3 0 6 R 3 0 8
C 3 1 5
2 0
O S C 30 0 5 6 P F
7
R 3 1 0
V C C C 3 1 6 C 3 1 7
1 5
5 . 1 K
O U T
V T 3 . 9 NF 1 0 0 NF
C 3 2 0 C 3 1 8
1 0 N F 1 0 U F
2 3 4 6 8 C 3 2 3
6 . 3 V
2 2 0 NF
2 0 V
R X _ IF _ I N
R 3 1 2 R 3 1 3
0 0
R X _ IF _ D O
R 3 1 4 C 3 2 9
C 3 3 1
C 3 3 0
3 3 N F 9 1 0 1 0 N F
4 . 7 NF
C 3 3 5
4 . 7 UF
6 . 3 V
3 4 5
SAMSUNG Proprietary-Contents may change without notice
6 7
3 . 0 R 3 . 0 V
D 5 0 0
1 2
3
R 5 0 1
1 . 8 K
V_ F
R 5 0 2
C 5 00
1 0 NF
2 1
C 5 0 5
1 0 N F
3. 0 T
R 5 1 0
1 0 K
1 3
Q 5 0 0
2
V _ F _CO N
R 5 1 8
0
P D _ OU T
C 5 1 8 R 5 2 3
N C
1 . 8 K
2
PA _ O N
C 5 2 0 Q 5 1 1
1 U F
1 0 V
3. 0 T
C5 2 9 C5 2 8
10 0 P F 10 0 N F
L 5 0 6
1 8 0 nH
4
3
U 5 0 4
C5 4 4
1N F
2
IF - VC C
1
IF + RF - O UT
C5 4 8 4
1N F LO B Y PA S S
6
GN D 1
C5 5 2
3
10 0 P F GN D 2 LO
R3 2 0
27 o h m
3. 0 R
R 3 0 1 L3 0 4
1 0
C 3 1 0
1 0 0 PF C 3 0 7 C3 1 1
1 N F 10 N F
C 3 1 3
1 0 0 PF
C3 1 4
2 3 2 4 2 2 2 R3 0 5
10 0 P F
0 10
8
5
R X _ I N T C X O _ I N
C3 1 9
6
_ R X _ I N 10 0 P F
R3 1 1
C 3 2 4
3 1 10
1 0 N F
D O _ R F G N D 1
4
G N D 2
1 7
7
_ I F _ I N G N D 3
9
G N D 4
1 8 1 0
C3 2 5
I F _ I N G N D 5
1 3
10 N F
2 0 G N D 6
1 6
U 3 0 2
D O I F G N D 7
1 9
G N D 8
2 1
C 3 2 8 G N D 9
1 0 P F
1 4 1 5 1 2 1 1
PL L _ CL K
PL L _ EN
PL L _ DA T A
C3 3 2 C3 3 3 C3 3 4
10 0 P F 10 0 P F 10 0 P F
6 7
11-2
8 9 1 0
C5 0 4
10 U F
6. 3 V
R5 0 7
27 0
U 5 0 2
1 8
D1 D2
2 7
S1 _ 1 S2 _1
3 6 C5 1 0 C5 0 8 C5 0 9
S1 _ 2 S2 _ 2 10 U F
10 0 P F 10 N F
6. 3 V
4 5 6
G1 G2
Q5 0 1
VB A T T
R5 2 9 R5 3 3
C5 1 6
4. 7 K 10 0 K C5 1 7
Q5 1 0
10 N F
NC
*
3
3
2
PA _ R 0
3
1 1 2
1
_I D L E
C5 2 5
1N F
R5 2 6
2K
F5 0 2
C5 4 5
10 0 P F
2 5
IN OU T
L5 1 0
G G G G
10 0 n H
1 3 4 6
7
8 C5 4 2
2. 2 N F
R5 3 6 1
0
Q5 0 3
L5 5 1
5
2
8. 2 n H
U3 0 3
3 2
2 3
O U T G N D
R3 0 9 Q3 0 1
2. 2 K
1 4
V C C V C
1
C3 2 1 C3 2 2
10 N F
22 0 P F
L3 0 7
R3 3 0
2K
C3 2 7 C3 2 6
10 0 P F 10 N F
3
2
1
TC X O
Q3 0 2
Ch a n ge d by : MS J Da t e C h a ng e d : 2 0 0 0 . 5 . 4
8 9 1 0
1 1 1 2
A
U5 0 0
C5 0 1
9
10 N F
GN D 4
8 7
VC C 1 GN D 3
4 5
VC C 2 GN D 2
3 VR E F GN D 1 1
2 6 R5 4 0
B
RF I N RF O U T
0
G G G G
L5 0 0
TX O U TP U T
10 11 12 13
5 2 1
3
L5 1 3
G
18 n H
4
L5 1 2
R5 2 0 3. 3 n H
47 K
Q 5 0 2
F5 0 0
C5 1 5
5
C
NC
OU T
6
G
4
G
3
G
1
G
IN
2
3. 0 T
R5 4 1
0
R5 2 5
47
C5 3 1 C5 3 2
10 0 P F 10 N F
D
L5 0 4
15 n H
R5 3 7 C5 5 1
27 0 33 P F
3
C5 4 7
L5 5 0
1N F
39 n H
4
E
F
TR K _ LO _ A DJ
3. 0 B
G
CO N _ SL E E P
H
En g i ne e r : C O M P A N Y N A M E
Ad d r es s
Dr a w n b y :
Ci t y
TI T L E: Si z e :
R& D CH K : S C H - A 1 0 5
A2
DO C CT R L C H K : 12 1 8 A
T X
MF G EN G R C H K :
Q A C HK : RE V : P a g e :
Ti m e C h a ng e d: D r a w i n g N u m b e r :
2. 4
3
1 1 1 2