Motorola PRO Elite Serie Manual De Servicio página 91

Tarjeta de circuito de VHF, esquemas eléctricos y lista de partes
RSSI
C3200
IF_1_ZIF
16pF
6
IF
L3200
1uH
C3201
NU
RSSI
RSSI_1_ZIF RSSI_2_ZIF
RSSI
Q3202
5V
R3225
VSF_3_ZIF
1K
VSF
C3214
0.1uF
5V
5V_3_ZIF
5V
R3214
SWB_PLUS_3_ZIF
22
SWB+
C3212
1uF
C3208
R3209
NU
1K
R3200
150
R3206
100K
Q3201 C3204 R3201
.01uF 2.2K
R3212
R3207 R3208
4.7K
39K 100
C3210
1000pF
Y3200
XTAL
R3202
4.7K R3210
2.2K
C3203
100pF
3
IN OUT
Q3200
MMBR941
C3202 R3211 R3203
L3201
NU 2.2K
NU 10K
R3204
10
C3206
R3205
.01uF
1K
R3213
2.2K
C3209
1uF
Vdd_FILTERED
Vdd_FILTERED
(SOURCE) R3226
10
C3270 C3271 3
.022uF
330pF
Q3270
BFQ67W
2
C3273
10pF
R3218
C3272 R3270
NU
4.7pF 1K
C3211
4.7uF
U3201
LP2980
Vdda_3_ZIF
1 5
VIN VOUT Vdda
3 4
ON_OFF*
NC
C3215 C3213
10pF 4.7uF
R5
Vdd_FILTERED
R5_3_ZIF
C3205
0.1uF
R3221 C3228
100 .01uF
L3202
1uH
C3221
C3218
.01uF
4.7uF
C3230
100pF
C3244
.01uF
C3243
C3207
.022uF
2.2pF
R3222
10
NU
11
R3219
12
100
5V Vdd_FILTERED
C3219
C3222
0.1uF 0.1uF
R3272
47K
C3276
C3277 R3275
L3271
47pF 82pF
2.2uH 1K
1
C3274 R3273 L3270
C3280
33pF 100nH R3276
47K
.01uF
D3270 200K
R3271
47
C3275
56pF
SH3201
SHIELD
1
Figura 6-5. Diagrama esquemático de la etapa de salida del receptor de VHF
Vdd_FILTERED
R3220
4.7K
C3220
10pF
L3221
1uH
C3239
.022uF
C3229
C3225
100pF
0.1uF
C3226
0.1uF
C3238
0.33uF
C3234 C3233 C3232 C3231
1uF 1uF 1uF 1uF
C4M
1 35
C3M
RED_VCC
34
2
RED_VSS C2M
33
3
PRE_IN C1M
32
4
RSSI_OUT VAG
31 C3235
5
RSSI_FLT LIM
U3220 0.22uF C3224
30
6
0.1uF
EXTBS ROSE_VCC
mgc_comps
29
7
AFC ROSE_VSS
8 TESTD 28
DEMOD_HF
27
9
VPP DEMOD_OUT
26
C3237
GOLD_VCC PHASE_LOCK R3223
25
NU
NU
EMIT VAG_REF
BASE
C3240 C3236
R3224
0.22uF NU
10
C3242
0.1uF
C3227 C3241 C3223
.01uF 1200pF 0.1uF
SH3202
SHIELD
DATA_3_ZIF
1
CLK_3_ZIF
LVZIF_SEL_1_ZIF
R3274
2.4K
C3278
.022uF 16_8MHz_3_ZIF
C3279
2.2uF
ZMY0130787-O
6-5
Vdd_FILTERED
SQ_OUT
DEMOD_1_ZIF
DEMOD
Vdd_FILTERED
SH3203
SHIELD