Schematic Diagram For Flf5582A Main Board, Receiver Section - Motorola GTX/LCS 2000 Service Manual

TP1
IF_IN1
LO_INJ
TP2
TP14
9V3
IF_IN1 TSTP
R5311 C5321
9V3
13k 39pF
TP3
RF_REG_5V
IF_IN1
RF_REG_5V
C5323 R5312 L5321
TP4
.01uF 13k 4.2nH
IF_IN1 K9.1
K9.1
TP5
IF_IN1
C5308
FL5203
7pF
860MHz
IN OUT
RX_IN
CASE
D5303
MMBD353LT
C5204
0.1uF
R5202
33k
C5203
0.1uF
C5202
15pF
Y5201
1 3
L5201 C5201 R5201
2 1200nH 13k
3pF
Schematic Diagram for FLF5582A Main Board,
Receiver Section
2
68P02945C70-O June 1996
5R
C5326 R5302
.01uF 220
C5310
L5302 R5306 C5311
6.8nH 150 39pF .01uF
L5322
68nH
C5312
3pF
C5325
.01uF
FL5204
860MHz
Q5301
IN OUT
2E_MRF9411L
CASE
R5321 C5322 C5324 R5323
300
220 39pF .01uF
R5204
100
5R
R5205
2k
R5203 R5231
6.8k NU
C5205
20pF
R5207
Q5201 Y5202
MMBR941
1 3
NPN
0
C5206 L5202
NU NU 2
RF_REG_5V
K9.1
R5230
47k
Q5230
3906L
R5325
390
5R
R5322
12
R5324
390
U5211
LO
MIXER_MOT91
1
LO
4 5
RF IF
RF IF
GND1 GND2 GND3
2 3 6
R5327
0
L5401
0.47M
R5401
51
C5200
22pF
L5402
C5404
27pF 0.47M
C5208
0.1uF
D5201
L5203
C5207
MMBD353LT
1.0uH
NU
SH5201
SHIELD
FL5201 FL5202
455KHz 3 455KHz
1 1
IN IN
OUT
GND GND
2
3
C5224
1500pF
C5231
0.47uF
6
PREAMP_IN
AUDIO_OUT
5
PREAMP_OUT
C5223
RSSI_OUT
8
MIXER_IN U5201 RSSI_BYP
7
LO_IN
0.1uF
IFIC
SQ_LIM_OUT
10
OSC_OUT SQ_RECT_IN
9
OSC_FB ADAPT
RF_REG_5V SQ_OUT
27
T_R CHAN_DET
13
B+ SQ_NOISE
C5214 14
DRIVE
3.9pF
9V3
C5213
R5212
36pF 5.6k
R5224
C5227
13k
4.7uF
C5212
13pF
R5211 Y5211
820
44.645MHz C5226 R5221
.039uF 130k
RF_REG_5V
C5211
16pF
C5251 C5252
10uF 0.1uF
L5211
1200nH SH5202
SHIELD
3
OUT
TP10
TSTP TP6
R5240 IF_IN1
100
PA_K9.1
K9.1
TP11 TP7
TSTP IF_IN1
DET_AUDIO
TP12 TP8
TSTP IF_IN1
RSSI
TP13 TP9
TSTP IF_IN1
R5241
ADAPT
0
28
11
25
23
20
22
15
18
30
C5235
C5239 C5234
R5223
7.5k
39pF 39pF 0.1uF
C5229 C5236 C5233 C5237 C5228
39pF 39pF 39pF 39pF 0.1uF
C5225
73D02947C28-O
3.3uF
SH5203
SHIELD