Motorola GP Series Service Manual page 241

UHF PCB 8480450Z13/14 Schematics
C281
R245
100pF
240
L281
L273
390nH
33nH
C272
NU
L271
68nH
RX_INJ
TX_INJ
SH241
SHIELD SHIELD
1
VCO TOP SHIELD
VCO BOTTOM SHIELD
5V
AUX3
C297
.01uF
VSF
C276 C286
2.2uF 0.1uF
if
ind
C273
0.1uF
18 14
10
TX_OUT
8
RX_OUT
SUPER_FLTR
12
PRESC COLL_RFIN
PRESC_OUT
U241
C271 RX_BASE
7 50U54
NU
Rx_sw
RX_SWITCH RX_EMITTER
13
Tx_sw TX_SWITCH TX_BASE
TX_EMITTER
SH242 17 11 9
1
Q261
4
DD
Q260
R260
1K
3 4
2
1
R242
200
C285
100pF
C246
100pF
1
TX_IADJ
2
RX_IADJ Q241
3
BFQ67W
2
4
5
6 1
16
3
15 L282
390nH
20
FLIP_IN
19
TRB_IN
R253
7.5K
R254
7.5K
C289
C254
100pF
3.6pF
3
C255
L253
100pF
RESONATOR
2
AUX4
R252
R251
1
330
18
L243
C250
RESONATOR
7.5pF
3
R241
18
C242
7.5pF
2
C243
R244
1
7.5pF
12K
C245
2.4pF
R243 C244
2pF
10K
Rx_sw
VSF
R248
30
C248
C247
0.1uF
100pF
Tx_sw
C252
L251
10pF
33nH
CR251
C253
1.5pF
2
P2
ZMY0130019-E
UHF (403-470 MHz) Voltage Controlled Oscillator
4-47
L242
220nH
CR243 CR242
L241
390nH
VCTRL
C241
100pF
CR241
A1 A2
1 2
C251
100pF
ZMY0130019-E