Figure 8-49. Receiver Back End Circuit - Motorola APX 1000 Detailed Service Manual

8-116
DC_LIN_5V
IN
T506
059248278
TL_RX_MIX_IN
P1
1
IN
P2
6
C504
100PF
C516
L550
R525
TL_RX_LO
100PF
15NH
0
1 2
IN
C550
C505
C551
33PF
47PF
33PF
DNP
DNP
DNP

Figure 8-49. Receiver Back End Circuit

C502
L500
R500
.033UF
220NH 33
C500
.033UF
C501
39PF
U507
SC2072BP
8
S1
3 IFN
4 9
RFN
IFP
5 12
S2 RFP
2
BBP
2
BDIV
10 3
S3 LOIN
4 NC1
6
NC2
7
NC3
5
NC
C509 C510 C511
.033UF 39PF .033UF
R502 C506 C508
30 39PF
4.7UF
C507
.033UF
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1 (84012313002 / PC000353A01)
L503
100NH
R512
0
L513
C533
22NH
62PF
DNP
T507
109638038
4 6
S1 P1
2
S2 C532
39PF
3 S3 P2 1
5
NC
C512
4.7UF
FL502
L504 31B01
R526
270NH 0
1 4
IN OUT
C514 C515
3.6PF
2PF
DNP
TL_RX_IF_OUT
OUT