Vhf Receiver Back End Schematic Diagram - Motorola GP88s Service Manual

Circuit Board/Schematic Diagrams and Parts List
RSSI
C3200
16pF
IF_1_ZIF
IF
L3200
C3201
1µH
1.5pF
NU
RSSI
RSSI_1_ZIF
RSSI_2_ZIF
RSSI
1.9V @ -47dBm
C3209
1uF
Q3202
5V
VSF_3_ZIF
R3225
VSF
1K
4,5V
C3214 5V
0.1uF
5V_3_ZIF
5V
R3215
0
NU
4V_3.3V
R3214
SWB+
22
SWB_PLUS_3_ZIF
C3212
1uF
C3208 R5_3_ZIF
R3209
0.1uF
1K
NU
R3206
Q3201
100K
C3204
R3201
.01uF
2.2K
R3207 R3208
39K 100
R3212
4.7K
Y3200
C3210 1000pF
XTAL
R3202
TBD
4.7K
R3210
C3203
2,2k
100pF
IN OUT 3 1.5V
6
Q3200
L3201
C3202 MMBR941
R3203
R3211
1µH
12pF
2.2K 10K
1 2 3 4
NU
NU
R3204
10
C3206
R3205
.01uF
1K
R3213
2.2K
Vdd_FILTERED Vdd_FILTERED
3,8V
R3226
10
C3270 C3271
330pF
.022uF
3
Q3270
BFQ67W
2
C3273
R3218
10
10pF
C3272
4.7pF
NU
C3211
4.7uF
U3201
LP29801
1
Vdda_3_ZIF
ON_OFF
5
VOUT Vdda
VIN
3.3V
3
GND
C3213
2
4.7uF
C3215
10pF
R3200
150
C3205
0.1uF
2.9V
R3221
100
L3202
1uH
C3221
C3218
.01uF
4.7uF
C3230
100pF
C3243
C3207
.022uF
2.2pF
R3222
100K
R3219
100
5V Vdd_FILTERED
C3219 C3222
0.1uF
R3272
47K C3277
C3276
L3271
82pF
47pF
2.2uH
1.5V
1
C3274
R3273
L3270 R3276
33pF D3270
0.8V
47K
200K
100nH
R3271
47
C3275
R3270
56pF
1K
SH3201
SHIELD SHIELD
Vdd_FILTERED Vdd_FILTERED
R3220
4.7K
C3220
10pF
L3221
1uH
C3228
.01uF C3229
C3225
100pF
C3239
0.1uF
.022uF
C3226
0.1uF
0.33uF
C3238
C3234 C3233 C3232
1uF
1uF
36
C4M
1 35
RED_VCC C3M
2 34
RED_VSS C2M
3 33
C1M
PRE_IN
4 32 C3235
RSSI_OUT VAG
5 31 0.22uF
RSSI_FLT LIM
C3244 6 U3220 30
EXTBS ROSE_VCC
.01uF
7 29
32D83
ROSE_VSS
AFC
8 28
R3223
DEMOD_HF NU
TESTD mgc_comps
9 27
VPP DEMOD_OUT
10 26
NU 1K
PHASE_LOCK
GOLD_VCC
11 25
R3224
VAG_REF
EMIT
12
BASE
10
C3240
0.22uF
C3242
0.1uF
0.1uF
C3227
.01uF
C3223
0.1uF
C3241
1200pF
DATA_3_ZIF
R3275
CLK_3_ZIF
1K
1.5V
R3274
LVZIF_SEL_1_ZIF
2.4K
C3280
10nF
C3278
0.1uF 16_8MHz_3_ZIF
C3279
2.2uF

VHF Receiver Back End Schematic Diagram

-17
9B
C3231
1uF
1uF
Vdd_FILTERED
C3224
SQ_OUT_1_ZIF
0.1uF
SQ_OUT
C3237 NU
DEMOD_1_ZIF
100pF
DEMOD
C3236
.01uF
NU
Vdd_FILTERED
SH3202
SHIELD SHIELD
SH3203
SHIELD SHIELD
0102726B13
VHF_ZIF
ZWG0130025-B