Motorola CP180 Service Information - Page 38
Browse online or download pdf Service Information for Two-Way Radio Motorola CP180. Motorola CP180 46 pages. Uhf2 (438-470mhz)
Also for Motorola CP180: Basic User's Manual (16 pages), Basic User's Manual (16 pages), Basic User's Manual (18 pages), Detailed Service Manual (28 pages), Cps/Tuner Installation Manual (6 pages), Service Information (46 pages)
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4-6
C2
9.1pF
IF1
RX_IN
1.1%
C1
9.1pF
1.1%
UHF2 (438-470 MHz) Receiver Front End Schematic Diagram
UHF R2 Front End
C523
0.45pF
C3
C5
C6
C8
6.7%
6.2pF
7.5pF
8pF
5.1pF
1.6%
1.3%
2%
1.25%
C4
C12
C7
L3
L1
L2
9.85nH
9.85nH
9.85nH
16pF
16pF
NU
2%
2%
2%
1%
1%
C28
C29
C31
C32
12pF
6.8pF
7pF
6.8pF
1%
1.5%
1.5%
1.43%
C27
C46
C33
C30
L31
L32
9.85nH
9.85nH
16pF
20pF
7.5pF
NU
2%
2%
1%
1%
1.3%
RX_INJ
FE_5R
5R
R20
5.6K
1
4
Q22
2
5
UMT1
C20
3
6
390pF
C99
R22
R23
5.6K
27K
0.1uF
C23
R24
1.5K
390pF
C9
8.2pF
C21
C11
0.79V
CR1
15pF
390pF
3
1.2%
Q21
C10
L21
R25
BFS505
5.6K
22nH
8pF
1.25%
2
1
C524
0.5pF
C34
C35
C37
C38
6.8pF
7.5pF
7.5pF
8.2pF
C48
0
1.5%
1.3%
1.3%
1.2%
C36
C39
C47
L34
9.85nH
L33
7pF
18pF
2%
9.85nH
1%
1.43%
2%
C44
FE_RF_IN J
C42
L40
L41
27nH
27nH
16pF
8.2pF
C41
C43
C45
7.5pF
20pF
16pF
UHF2 PCB 8486348Z13-C Schematic Diagrams
C26
R21
82
390pF
SH1
SH40
SHIELD
SHIELD
1
1
C25
390pF
L55
22nH
C521
4.2V
5.1pF
C522
3
0.5pF
1
R51
51
2
L51
150nH
T41
4
RF BALUN
3
2
C14
C49
1.5pF
6
1
NU
6.7%
5
NC
NC
CR41
HSMS2829
1
IO1
3
IO3
IO4
T42
IF BALUN
4
3
IO2
2
2
1
6
5
NC
NC
R40
1K
1
TP1
TP2
1
FE_IF_OUT
L52
IF_OUT
680nH
C51
82pF
C13
1.5pF
6.7%
4