Samsung SC-140 Service Manual page 6

SCR-140(A4)-en 99.3.15 8:45 AM ˘ ` 14
Main Components Block Diagram and Pin Descrition
‹
TA2140FN(I.C-RF)
16
FEO
17
FEN
18
VDDIN
19
VREF
20
RFRP
21
BTC
22
RFCT
23
PKC
24
RERPIN
25
RFGO
26
GVSW
27
AGCIN
28
RFO
29
GND
30
RFN2
60k 60k
100k 20k
10p
150k
36k
40p
60k
150k
20k 20k
50µA
20k
12k
11k
12k
100k
20k
100k
100k
11k
BOTTOM
PEAK
20k
AGC-AMP
20µA 36p
10k 50k
15k
30k
15k
10k
10k
30k
40p
48k
24k
2.9k
SW3
238k
15k
238k
15p
14 25
15
SBAD
16.7k
14
TEO
20k
10p
13
TEN
12
VRO
3 STATE
11
TEB
DET
83k
SW1 LDC
10
SEL
1k
SW2
9
LDO
1.4k
8
MDI
10k 2.26k
I(1/4)
7
TNI
I - I
I(3/4)
I(3/4)
6
TPI
I - I
I(1/4)
5
FPI
4
FNI
3
GMAD
2
RFGC
1
VCC