Motorola CP160 Detailed Service Manual page 96

4-6
SH1
SH40
SHIELD
SHIELD
1 1
C4
C2
L1
36pF 15pF
FE_RF_IN
68nH
RX_IN
2%
1% 1%
C1
C3
22pF 47pF
1%
1%
VHF (146-174 MHz) Receiver Front End Schematic Diagram
FE_5R
5R
C20
1000pF
C5 C6 C8
L4
3.0pF 15pF 30pF
68nH R26
2%
3 0
3.3% 1%
1%
C7 C9
L2
L3
68nH 68nH
33pF
NU
2% 2%
1%
1 2
CR1
MMBD352
VHF R2 Front End
R20 C26
R21
6.8K
100
1% 1000pF
1 4
2 Q22 5
UMT1
C25
L22
6 3
100nH
1000pF
R23
22K
C99
R22
1%
6.8K
0.1uF
C31
L31
C23 30pF
C29
R24
68nH
2%
750
20pF 1%
1000pF
C30
3 1%
C22
0.74V
1
24pF
56pF
Q21
1%
1000pF
BFS540
C24 2
R25
L21
5.6K
NU
NU
FE_RF_INJ C41
RX_INJ
15pF
C40
1%
20pF
1%
VHF PCB 8486342Z13-C Schematic Diagrams
C51
L51
150nH
82pF
L32 L33
C35
C33
68nH 68nH
4
2% 2%
24pF
27pF
C32 C34 C36
1%
1%
6
24pF
56pF
RF BALUN
1% 1% 1%
T42
4
L40 L41
C43
68nH 68nH
6
2% 2%
IF BALUN
15pF
C42 C44
1%
R40
1K
36pF 20pF
1% 1%
1
TP1
TP2
1
FE_IF_OUT
R51 L52
IF_OUT
680nH
51
T41 3
2
1
5
CR41
NC NC
HSMS2829
1
IO1
3
4
IO3 IO4
3
IO2
2
2
1
5
NC
NC