10-9
August 2000
Part No. 001-2001-200
RECEIVER SCHEMATIC
FIGURE 10-14
FOLDOUT
R108
47
+12V
C103
220pF
+ C105
4.7
C106
470pF
+ C107
4.7
C108
470pF
C104
10pF
CV102
CV103
CV101
CV105
CV106
CV104
C109
10pF
L111
4
RF
IF
GND A
GND B
GND C
LO
C236
10pF
2
6
1
3
U101
LRMS-2H
C237
39pF
L211
Z211A
Z211B
CV211
1.5-5pF
C238
5pF
L212
C240
39pF
L213
C241
10pF
R233
1.8k
R234
680
R235
47
C246
.01
R236
220
C243
.01
+ C244
4.7
C245
8pF
C247
39pF
L214
Z212A
Z212B
CV212
1.5-5pF
C248
5pF
L215
C251
39pF
L216
R237
560
C253
.01
OSC B
1
GND
15
MIXER
OUT
Z205
IF IN
U201
MC3371D
C220
.1
C219
.1
R207
47k
Z204
C222
.1
R206
1.8k
C219
.001
450 kHz
Vcc DEC 1
DEC 2
3
6
5
4
7
8
QUAD
+12V
R211
5.1k
1
AUDIO
C226
.001
R212
100k
+
U202B
MC3317B
R215
22k
RV202
5k
R217
10k
R218
10k
+5V
C228
27pF
R213
10k
R214
100k
+ C227
4.7
5
7
6
RV203
5k
9 RX WBAND
R159
100k
C166
.001
+
U102A
MC33172D
3
2
9
13
METER
7 RSSI
J201
TP101
+12V
C284
330pF
C283
120pF
52.5 MHz
L224
.1uH
C282
5pF
L223
.1uH
C281
220pF
C280
220pF
Q204
2SC2714
Q202
2SC2351
R260
270
C276
.01
L222
.1uH
C278
.01
+ C277
4.7
R261
10
+12V
R258
10k
R259
1k
C275
100pF
Y201
DC IN
3
2
5
4
6
7
CR401
5.1V
C401
.01
+ C402
4.7
R401
270
+12V
TCXO 2.5 PPM
17.5 MHz
GNDA GNDB GNDC
MOD
RF OUT
C275
100pF
Q402
2SC2714
U401
MC145190
20
REF
IN
R430
220
C436
.1
C435
100pF
+6V
12 Vcc
C406
.01
Q401
2SC2714
R407
3.3k
R408
3.3k
R409
270
R406
2.7k
C403
.01
L 401
.1[ H
R404
100
+6V
C407
.001
C404
820pF
C432
100pF
C458
470pF
Q410
2SC3356
R445
1.5k
R446
1.2k
R447
150
R444
4.7k
C461
470pF
L 405
R442
10
+6V
C460
470pF
C441
100pF
Q411
2SC3356
R448
33
C459
470pF
R443
100
11
F IN
C434
100pF
C433
.1
R429
820
+6V
V DD
R423
10k
RF DATA 20
J201
R424
10k
RF CLK 18
14
R432
47k
C443
100pF
DATA
CLK
GND
RX
R427
1k
SYN CS RX 12
R428
1k
SYN LK RX 14
2
ENABLE
LOCK DET
16
19
17
15
11
2
NC
R426
10k
+6V
C439
100pF
10
F IN
+ C438
4.7
C437
.1
+12V
5
V PD
A401
VCO
CNTL
GND
RF OUT
C454
.001
C455
100pF
C456
5pF
Q132
2SC3356
Q131
2SC3356
R131
1.2k
R138
47
C138
470pF
R132
1.5k
C135
.01
C137
470pF
R137
33
C133
470pF
C134
.01
R134
3.3k
L131
.22[ F
R135
47
C139
470pF
R136
10
+12V
C144
.01
C146
12pF
C147
22pF
Q133
2SC3357
R143
1k
R144
390
RT202
1k
C151
470pF
+ C148
4.7
R146
220
C152
15pF
C153
22pF
C156
.001
C169
12pF
Q134
2SC3357
R151
1.5k
R152
270
C160
470pF
+ C161
4.7
R153
68
R154
68
C162
10pF
C163
15pF
L139
CV152
CV151
1 +15V
C307
.001
+ C308
4.7
+15V
+ C309
4.7
C310
.001
+12V
C306
100pF
SOURCE
RECEIVE
8
U302
LM78L12
V IN
GND
GND C
GND B
GND A
2
3
6
7
1
V OUT
1
U303
LM78L12
V OUT
GND
GND C
GND B
GND A
2
3
6
7
8
V IN
NOTES:
1. ALL RESISTORS ARE IN OHMS AND ALL CAPACITORS IN MICROFARADS
UNLES OTHERWISE SPECIFIED.
+12V
SOURCE
C313
.001
+ C314
4.7
+ C312
2.2
C311
.001
+15V
A201
L101
RF IN
RF AMP
MIXER
52.95 MHz
4-POLE
CRYSTAL FILTER
52.95 MHz
4-POLE
CRYSTAL FILTER
IF AMP
C250
6pF
C252
3.9
C101
10pF
C102
10pF
R107
47
5
2
1
3
J203
C242
.001
C201
10pF
C202
39pF
L201
Z201A
Z201B
CV201
1.5-5pF
C203
5pF
L202
C205
39pF
L203
C206
10pF
R201
1.8k
R202
680
R203
47
C211
.1
R204
220
C208
.01
+
C207
4.7
C210
8pF
C212
39pF
L204
Z202A
Z202B
CV202
1.5-5pF
C213
5pF
L205
C216
39pF
L206
R237
560
C218
.01
+12V
Q201
2SC2351
52.95 MHz
4-POLE
CRYSTAL FILTER
52.95 MHz
4-POLE
CRYSTAL FILTER
IF AMP
C215
8pF
C276
4
C209
.001
C270
6pF
R262
1k
C265
100pF
R255
680
R254
1.8k
Q203
2SC2714
R257
220
+12V
C269
.001
C268
.01
+ C267
4.7
R256
47
C266
.01
C271
220pF
52.5 MHz
Z206
R208
100k
16
MIXER IN
OSC B
1
GND
15
MIXER
OUT
Z215
IF IN
U203
MC3371D
C255
.1
C256
.1
R239
47k
Z214
C257
.1
R228
1.8k
C254
.001
450 kHz
Vcc DEC 1
DEC 2
3
6
5
4
7
8
QUAD
+12V
AUDIO 9
13
METER
Z216
R240
100k
16
MIXER IN
C258
.001
+
U204A
LM2904
1
2
3
RV211
5k
SQUELCH
LEVEL ADJ
C223
.001
+
U202A
LM2904
1
2
3
RV201
5k
SQUELCH
LEVEL ADJ
1
2
3
J204
IF SELECT
TP203
RT201
1k
R243
5.1k
C261
.001
R244
100k
+
U204B
MC3317B
R247
22k
RV212
5k
R249
10k
R250
10k
+5V
C263
27pF
R245
10k
R246
100k
+ C262
4.7
5
7
6
RV213
5k
RT204
1k
TP204
RT203
1k
1
2
3
J205
IF SELECT
AUDIO/DATA
LEVEL ADJ
R158
47k
CR133
R157
1k
C165
1pF
TP202
TP201
13 RX INJ TP
3
4
5
6
8
10
WO 27
WO 21
WO 23
WO 19
WO 25
WO 17
19
18
8
7
17
+12V
7
2,3,6,8,9,10,11,12
DC IN
R431
47
C440
.01
C462
470pF
L404
C463
470pF
+ C464
4.7
4
C457
.01
5
Q407
2SA1162
+ C447
1
R437
100k
C446
12pF
+6V
3
R
R438
8.2k
R439
3.3k
Q409
2SC2712
R440
1k
Q408
2SA1162
R436
1k
R435
3.3k
R434
33k
Q409
2SC2712
R433
100k
+21V
C445
.1
C444
10pF
4
V
R441
33k
+ C450
1
C451
.1
C452
10pF
TP 401
R403
4.99k
R411
220
Q403
2SC2712
R412
4.3k
Q405
2SA1162
C409
.01
Q404
2SC2714
R413
1k
R410
68k
C408
.01
CR402
R414
47
C410
.001
C411
.1
L402
1[ H
C412
.1
+21V
+12V
C413
.01
+ C414
4.7
C415
.1
L403
C449
.1
+ C448
1
C351
.001
C131
5pF
C136
470pF
C132
10pF
R133
1.5k
C140
470pF
L132
139
330
R141
18
R140
330
C145
.01
L133
R142
270
CR131
5.6V
L134
R145
220
FIRST
INJECTION
AMP
C149
.001
C150
.01
L135
C154
.001
R147
330
C164
.001
L138
C159
.001
+ C158
2.2
CR132
5.1V
R148
18
R148
330
C155
.001
L136
L137
C157
100pF
R150
270
R161
100k
R160
10k
AUDIO/DATA
LEVEL ADJ
25 kHz IF SECTION
12.5 kHz IF SECTION
25 kHz SECTION IF DETECTOR/AMP
12.5 kHz SECTION IF DETECTOR/AMP
INJECTION BUFFER/
AMP
TRIPLER
RX
RX
RX
RX
RX
RX
1
U301
LM78L05
V OUT
GND
GND C
GND B
GND A
2
3
6
7
8
V IN
+ C303
4.7
C304
.001
+6V
SOURCE
+ C302
4.7
C301
.001
1
U304
LM78L12
V OUT
GND
GND C
GND B
GND A
2
3
6
7
V IN
+ C316
4.7
C315
.001
+15V
+ C317
4.7
C318
.001
+12V
SOURCE
8
U103A
ERA 5SM
3
1
R106
200
R105
200
+6V
L130
22nH
L102
L103
L104
L108
L109
L110
L140
L141
Содержание 242-20X1-213
Страница 2: ...1 2 October 1995 Part No 001 2008 202 ...
Страница 14: ...TABLE OF CONTENTS CONT 10 ...
Страница 24: ...INTRODUCTION AND OPERATION 1 10 August 2000 Part No 001 2001 200 ...
Страница 94: ...CIRCUIT DESCRIPTION 6 44 August 2000 Part No 001 2001 200 ...
Страница 118: ...ALIGNMENT AND TEST PROCEDURES 7 20 August 2000 Part No 001 2001 200 ...
Страница 126: ...SERVICING 8 8 August 2000 Part No 001 2001 200 ...
Страница 160: ...PARTS LIST 9 34 August 2000 Part No 001 2001 200 ...
Страница 197: ......
Страница 198: ...Part Number 001 2001 200 8 00mwp Printed in U S A ...