Vhf Receiver Back End Schematic Diagram - Motorola GP328 Plus Service Manual

Circuit Board/Schematic Diagrams and Parts List
R3206
100K
RSSI
Y3200
XTAL
C3200
IF_1_ZIF
16pF
6
IF
IN
L3200
1uH
C3201
NU
RSSI
RSSI_1_ZIF RSSI_2_ZIF
RSSI
C3209
1uF
Q3202
5V
R3225
VSF_3_ZIF
1K
VSF
C3214
0.1uF
5V
5V_3_ZIF
5V
R3214
SWB_PLUS_3_ZIF
22
SWB+
C3212
C3215
1uF
10pF
C3208
R3209
NU
1K
Q3201 C3204
.01uF
R3212
R3207 R3208
4.7K
39K 100
C3210
1000pF
R3202
4.7K R3210
2.2K
C3203
100pF
3
OUT
C3202 R3211
R3203
L3201
NU 2.2K
10K
NU
C3206
.01uF
R3213
2.2K
Vdd_FILTERED
Vdd_FILTERED
(SOURCE) R3226
10
C3270
C3271
.022uF
330pF
Q3270
BFQ67W
C3273
10pF
R3218
C3272
NU
4.7pF
C3211
4.7uF
U3201
LP2980
Vdda_3_ZIF
1 5
Vdda
VIN VOUT
3 4
ON_OFF*
NC
C3213
4.7uF
R5
R5_3_ZIF
R3200
150
C3205
R3201
0.1uF
2.2K
L3202
1uH
Q3200
C3221
C3218
MMBR941 .01uF
4.7uF
R3204
10
C3230
100pF
C3243
C3207
R3205
.022uF
2.2pF
1K
R3219
100
5V Vdd_FILTERED
C3219
0.1uF
R3272
47K
C3276
3 C3277
L3271
47pF 82pF
2.2uH
1
2
C3274
R3273 L3270
100nH
33pF R3276
47K
D3270 200K
R3271
47
R3270
C3275
1K 56pF
SH3201
SHIELD
1
Vdd_FILTERED Vdd_FILTERED
R3220
4.7K
C3220
10pF
L3221
1uH
C3239
R3221 C3228
100 .01uF .022uF
C3229
C3225
100pF
0.1uF
C3226
0.1uF
C3238
0.33uF
C3234 C3233
1uF 1uF
C4M
1 35
C3M
RED_VCC
34
2
RED_VSS C2M
33
3
PRE_IN C1M
C3244
32
4
.01uF
RSSI_OUT VAG
31
5 C3235
RSSI_FLT LIM
U3220 0.22uF
30
6
EXTBS ROSE_VCC
mgc_comps
7 29
AFC ROSE_VSS
28
8 TESTD
DEMOD_HF
9 27
R3222 VPP DEMOD_OUT
26
10
NU
GOLD_VCC PHASE_LOCK
R3223
25
11
NU
EMIT VAG_REF
12
BASE
C3240
R3224
0.22uF
10
C3222
0.1uF
C3242
0.1uF
C3241
C3227 C3223
.01uF 1200pF 0.1uF
DATA_3_ZIF
R3275
1K CLK_3_ZIF
LVZIF_SEL_1_ZIF
R3274
C3280
2.4K
.01uF
C3278
.022uF 16_8MHz_3_ZIF
C3279
2.2uF
ZMY0130787-O

VHF Receiver Back End Schematic Diagram

5A-23
C3232 C3231
1uF 1uF
C3224
0.1uF Vdd_FILTERED
SQ_OUT
C3237
NU
DEMOD_1_ZIF
DEMOD
C3236
NU
Vdd_FILTERED
SH3202
SHIELD
1
SH3203
SHIELD