Figure 9-206.Vhf (136-174 Mhz) Receiver Back End Schematic Diagram - Motorola HT Series Detailed Service Manual

VHF Circuit Board/Schematic Diagrams and Parts List (PCB 8486473Z04)
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
C3215
C3212
1uF 10pF
R3200
5V
G
C3205
0.1uF
R3202
27K
Y3200
MXF45
44.85MHz
L3203 C3210
0.1uF
680nH
6
3 IN
OUT
2 CC1
5 CC2
C3202 R3203
NU 12K
1 4
U3201
LP2980
SH3203
SHIELD
Vdda_3
1 VOUT 5
Vdda
VIN G
4
3
NC
ON_OFF*
1
C3213
4.7uF
1
5V
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
CFWC455G
2 3
1 OUT 2
3 IN 2
1
CR3202 CR3203
R3206
910
3 4
C3226
C3238
0.1uF
0.1uF
C3234 C3231
C3232 0.1uF
0.1uF C3233
0.1uF
0.1uF
U3220
SA616
R3274
1.8K
VCC GND 15
6
C3221
0.1uF
R3220
NU
R3273
15K
C3203 C3274
30pF 30pF
R3224
R3222
10K
680
R3223 C3236
4700pF
Y3201 12K
TSS-2
44.395MHz
3 1
OUT IN
C3275
24pF
L3270
1uH
Figure 9-206. VHF (136-174 MHz) Receiver Back End Schematic Diagram
9-341
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
R3213
RSSI_2_ZIF
12K
C3209
0.1uF
DISC_OUT
G
DISC_OUT