Figure 4-65: Vhf Receiver Front End Schematic Diagram - Motorola PR860 Detailed Service Manual

Schematic Diagrams, Overlays, and Parts Lists: VHF Circuit Board/Schematic Diagrams and Parts List (PCB 8415112H01)
UNSWB_PLUS_1_RX
UNSWB_PLUS_2_RX
UNSWB+ G
C3336
10uF
C3303
RX_IN_1_FE C3302 15pF
RX_IN G
150pF
C3301
L3301
5.6pF
12nH
RSSI_1_FE
RSSI G
R3303
100K
C3321 C3322 C3323
100pF
330pF 100pF
DACRx
G
DACRx_1_FE
RX_INJ G
RX_INJ_1_FE
DUMMY
R5
R5_2_FE R5_3_FE
R3316
470 470
C3337 C3309
.022uF 0.1uF 0.1uF
L3304
C3308
470nH
330pF
C3307
100pF
R3310
2.7K
R3308
1.5K
C3304
C3306
150pF
0.1uF
Q3302
L3303
R3309
12nH
7.5K
C3305
R3311
R3312
NU
NU
5.1
CR3303
D3301
R3307
33K C3338
470pF 470pF
C3326
NU
R3306
2.2K
R3304
100K
Q3301 C3325
1000pF
R3301
R3305
R3324
NU
68K 220 220
RT3301
NU
C3324
33pF
R3315
330
C3312
C3311 C3313
R3313
R3314
16pF
150pF 150pF
27
39
D3302
L3306
12nH
C3310 L3305
NU 12nH 12nH
CR3302
SMBV1032
C3327
330pF
R3317
100K
C3329 C3330 C3331 C3332
330pF 100pF 100pF
39pF
C3315
6 T3301
10pF
C3317
30pF
C3318
C3316
4
RF BALUN
3.3pF .022uF
L3308
10nH
C3339
C3319
10pF
NU
C3314
NU
L3312
33nH T3302
6
C3334
C3335
20pF
22pF
4
IF BALUN
SH3301
SHIELD
R3318
470
1
1
TP3301

Figure 4-65: VHF Receiver Front End Schematic Diagram

4-87
C3320
82pF
L3309
150nH
R3321 R3322
51
NU
IF_1_FE
G
R3323
IF
0
1
2
3
R3320
NU
CR3301
4 3
R3319
NU
2 1
1
2
3
SH3302 SH3303
SHIELD SHIELD
1 1