Figure 4-66: Vhf Receiver Back End Schematic Diagram - Motorola PR860 Detailed Service Manual

4-88
L3200
IF_1
680nH
IF
G
C3201
16pF
C3206
9.1pF
R3215
4V_3.3V
0
G
4V_3.3V NU
R3214
SWB_PLUS_3
22
SWB+
G
C3212 C3215
10pF
1uF

Figure 4-66: VHF Receiver Back End Schematic Diagram

R3200
5V
G
C3205
0.1uF
R3202
27K
Y3200
MXF45
44.85MHz
L3203 C3210
0.1uF
680nH
3 IN 6
OUT
2 CC1
5 CC2
C3202 R3203
NU 12K
1 4
U3201
LP2980
SH3203
SHIELD
Vdda_3
1 VOUT 5
VIN Vdda
G
3 4
ON_OFF* NC
1
C3213
4.7uF
Schematic Diagrams, Overlays, and Parts Lists: VHF Circuit Board/Schematic Diagrams and Parts List (PCB 8415112H01)
5V 1
U3221-1
TC7W04F
U3221-2
R3276
100K
TC7W04F
BW_SEL
2
6
G
C3208
0.1uF
R3207
12K
Y3205
CFUCJ455E
1 2
IN OUT
3
820
5V G
R3221
C3218
R3201
51
10uF
620
C3228
0.1uF
R3204
C3207
4.7K
C3222
4.7pF
0.1uF
L3202
C3200
1.2uH
2.7pF
CR3201
Q3200
C3230
0.1uF
R3270
1K
SH3202
SHIELD
R3271
NU
1
Y3203
R3209
CFWC455E
39K
7 1 IN
OUT 2
R3212
20K
C3225
0.1uF
3 4
R3211 R3205
39K 43K
Y3204
1
2 CFWC455G
3
1 OUT 2 2
3 IN
1
CR3202 CR3203
R3206
910
3 4
C3226
C3238
0.1uF
0.1uF
C3234
C3231
C3232
0.1uF C3233 0.1uF
0.1uF
0.1uF
U3220
SA616
R3274
1.8K
VCC
GND 15
6
C3221
0.1uF
R3220
NU
R3213
R3273
15K
C3203 C3274
30pF 30pF
R3224
R3222
10K
680
C3236
R3223
4700pF
Y3201 12K
TSS-2 44.395MHz
3 1
OUT IN
C3275
24pF
L3270
1uH
5V
8 5
3
NC
VCC
GND U3221-3
4 TC7W04F
U3221-4
PWR_GND
R3208
20K
5V
R3226
390
3
1 Q3270
MMBT3904
2
C3279
120pF
R3275
1.2K
1 2
Y3202
3
45B02
C3278
455KHz
0.1uF
RSSI_1
G RSSI
RSSI_2_ZIF
12K
C3209
0.1uF
DISC_OUT
G
DISC_OUT