Motorola Commercial CM Series Service Information page 75

UHF 1-25W PCB 8486684Z03 (Rev. B) / Schematics
DNP DNP
C2076 C2012 C2030
0.1uF 3900pF
100.n
SH201
SHIELD
1
VCO Shield
V_SF
L201
680nH
C2009
100n
C2061
C2064
12p
6.2p
L211 C2069 L206
D203
C2057
100.0n 1.2p 12.5n
5.1p
L203
150.n
C2056
5.1p
L204
150.n
C2062
C2063
8.200p 12p
D204
L213 L207 C2073
100.0n 7.80n 1.p
C2066
2.4p
V_SF
VCO_MOD R211
6.8K
R212
47.K
D205
R231
51.
C2038 R235 C2040 C2008 C2007
120.p 18. 120.p 0.1uF 0.1uF
V_SF
C2021
1.n
C2010 C2039
L202
120.p
680nH 100n
C2022 R216 R215
10n 2.7K 3.6K
1
TX_IADJ TX_OUT
2
RX_IADJ RX_OUT
3
SUPER_FLTR
4
COLL_RFIN PRESC_OUT
U201
5
RX_BASE
6 50U54
RX_EMITTER RX_SWITCH
16
TX_BASE TX_SWITCH
15
TX_EMITTER
20
FLIP_IN
19
TRB_IN
R232
47.
R221
220.
L214
47nH
C2058
5.1p
R233 V_SF
47.
R222
220.
C2059
5.1p
L215
47nH
R201
C2029
10.K 120.p
L209 R220
100.0n 510.
C2042 C2041
C2011
120.p 120.p
0.1uF
L208
100.0n
10
8 L216
C2060
18.n
12 15p
C2071
7
NC
6.2.p
13
NC
R230
75.
9R
C2018 C2019
120.p 120.p
R214
4.7K
C2031 R219
1n 820.
DNP
DNP
C2043
R203
6.8p 0.
1
R218
1.K
C2044
R213
3.3p 4.7K
DNP
C2081
120.p
UHF1 (403-440MHz) Synthesiser and VCO (Sht 2 of 2)
4-35
IF200
TX_INJ
1
C2070
6.2.p
C2037 C2003
120.p 100n
L212
33n
C2065
120pF
RX_INJ
R223
220.
3
Q200
BFS540
2
C2032
R227
120.p
82.
SH202
SHIELD
1
VCOBIC Shield
73D02968C74-O
SHEE 5 OF 8