Telex Radiocom BTR-200 Series Service Manual page 36

Professional wireless intercom system
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PCB Receive Assembly 878662-* (Continued)
l)
Ref No.
Description
Part No.
Potentiometers
VR320
20K Potentiometer
57148071
VR321
50K Potentiometer
57148072
VR370
20K Potentiometer
57148071
VR371
50K Potentiometer
57148072
VR420
20K potentiometer
57148071
VR421
50K Potentiometer
57148072
VR470
20K Potentiometer
57148071
VR321
50K Potentiometer
57148072
Colls and Chokes
L301,L302
Coil, 2 1I2T, 10 mm .
724778
L303,L304
Coil, 2 1/2 CT, 10 mm
724766
L305
Coil, 2 1I2T, 10 mm
724775
L306
Coil,2 1I4T, 114 Tap, 10 mm
724765
L307
1
Coil, TOKO, Red
723403-3
L307
2
Coil, TOKO, Brown
723403-2
L307
3
Coil, TOKO, Black
723403-1
L308
1
Inductor, .22/!H
35689047
L308
2
3
Incuctor, .15 /!H
35689041
L309
Coil, 2 112 CT 10 mm
724766
L310
Inductor, 56 /!H
35689020
L311, L312
Inductor, 10 /!H
35689011
L313
Coil, 2 1I4T, 114 Tap, 10 mm
724765
L314-L319
(Not Used)
L320
Inductor, 10 /!H
35689011
L321
Inductor, 3.95 /!H
724774
L322
Coil, 455 kHz, discriminator
52982000
L323
Coil, IF, 10.7 MHz
53029000
L324-L369
(Not Used)
L370
Inductor, 10 /!H
35689011
L371
Inductor, 3.95 /!H
724774
L372
Coil, 455 kHz, discriminator
52982000
L373
Coil, IF, 10.7 MHz
53029000
L374-L419
(Not Used)
L420
Inductor, 10 /!H
35689011
L421
Inductor, 3.95 /!H
724774
L422
Coil, 455 kHz, discriminator
52982000
L423
Coil, IF, 10.7 MHz
53029000
L424-L469
(Not Used)
L470
Inductor, 10 /!H
35689011
L471
Inductor, 3.95 /!H
724774
L472
Coil, 455 kHz, discriminator
52982000
L473
Coil, IF, 10.7 MHz
53029000
FB321
Ferrite Bead
56632007
FB371
Ferrite Bead
56632007
FB421
Ferrite Bead
56632007
Transistors
Q301
GAASFET, NE 25139
760392
Q302
Transitor, MPS901
760376
Q303
JFET, J309
54722000
Q320
Transistor, MPSH 10
54736000
Q321, Q322
Transistor, MPS3704
54712000
Q370
Transistor, MPSH10
54736000
Q371, Q372
Transistor, MPS3704
54712000
Q420
Transistor, MPSHIO
54736000
Q421, Q422
Transistor, MPS3704
54712000
Q470
Transistor, MPSH 10
54736000
Q471,Q472
Transistor, MPS3704
54712000
Ref No.
Description
Part No.
Crystals and Filters
Crystal Filter Insulator
450471
Crystal Insulator
450474
HY301
Mixer, ASKI
760382
Y301
1
Crystal, Receive, 171.905 MHz
780092-1
Y301
2
Crystal, Receive, 207.8 MHz
780092-2
Y301
3
Crystal, Receive, 213.8 MHz
780092-3
Y320
Crystal, Receive, 10.245 MHz
780088
Y370
1
Crystal, Receive, 12.015 MHz
780088-6
Y370
2
3
Crystal, Receive, 11.53 MHz
780088-3
Y420
1
Crystal, Receive, 12.815 MHz
780088-7
Y420
2
3
Crystal, Receive, 12.155 MHz
780088-4
Y470
1
Crystal, Receive, 12.555 MHz
780088-8
Y470
2
3
Crystal, Receive, 12.955 MHz
780088-5
CF320, CF32 1 Filter, 10.7 Crystal
780087-0
CF322
Filter, 455 kHz Ceramic
723088
CF370
1
Filter, 11.56 MHz Crystal
780087-4
CF370
2
3
Filter, 11.075 MHz Crystal
780087-7
CF371
1
Filter, 11.56 MHz Crystal
780087-4
CF371
2 • 3
Filter, 11.075 MHz Crystal
780087-7
CF372
Filter, 455 kHz Ceramic
723088
CF420
1
Filter, 12.36 MHz Crystal
780087-5
CF420
2 ,3
Filter, 11.7 MHz Crystal
780087-2
CF421
1
Filter, 12.36 MHz Crystal
780087-5
CF421
2 ,3
Filter, 11.7 MHz Crystal
780087-2
CF422
Filter, 455 kHz Ceramic
723088
CF470
1
Filter, 13.1 MHz Crystal
780087-6
CF470
2 • 3
Filter, 12.5 MHz Crystal
780087-3
CF471
1
Filter, 13.1 MHz Crystal
780087-6
CF471
2
• 3
Filter, 12.5 MHz Crystal
780087-3
CF472
Filter, 4%% kHz, Ceramic
620088
All resistors in ohms, lIS Watt, 5%, unless noted.
Resistors
R301
lK
52154060
R302
10K
52154036
R303
33
52154096
R304
10
52154108
R305
lK
52154060
R306
150
52154301
R307
3.3K
52154048
R308, R309
10K
52154036
R310
100
52154084
R311, R312
470
52154068
R313
10K
52154036
R314
2.2K
52154052
R315
47K
52154020
R316-R319
(Not Used)
R320
I.2K
52154058
R321
220
52154076
R322
68K
52154016
R323
l.5K
52154056
R324
lK
52154060
R325
330K
52154000
R326
220K
52154004
878662-*
Frequency
*Dash No.
Reference No.
171 MHz
-171
1
207 MHz
-207
2
213 MHz
-213
3
3-25

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