4-40
UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics
Check if it is 3v or another value
3V
U301
GND
4
VCC
8
PWR_GND
U301
3
5
TC7W04F
5V
T
O
SHEET
2
18.p
C362
C336
9.1p
1
GND2
4
IN
3
OUT 6
CC1
2
CC2
5
GND1
FLTR_44.85M
FREQ
FL300
DNP
13.K
R312
C364
22p
L305
1.2u
C369
8.2p
33.K
R304
Q305
C304
100n
4.7K
R322
100.
R337
R333
560.
100n
C305
0.1uF
C318
0.
R302
3.3K
R325
D304
20.K
R308
12.K
R318
FL303
GND1
3
4
GND2
IN
1
OUT 2
CFWC455G
12.K
R319
D303
3V
51.
R339
100n
10.0u
C301
C308
100n
C307
C337
6.8p
DNP
DNP
C365
22p
L303
1.2u
C371
2.7p
100n
C303
CR300
0.1uF
C319
C306
4.7K
100n
R323
C359
33p
R309
C360
30p
15.K
NU
R311
15.K
06B09
Y301
2
GND
4
GND1
3
OUT
1
IN
44.395MHz
NU
NU
L315
27nH
30p
C361
0.
R303
73D02968C74-O
SHEET 6 OF 8
C320
0.1uF
C314
100n
C309
100n
12.K
C322
R313
8.2K
4.7n
R321
680.
R332
10.K
R320
DEMOD
RSSI
100n
C311
C310
100n
4
OSCOUT
3
QUADIN
10
RFIN
1
RFIN_DEC
2
RSSIOUT
5
RSSI_FEED
9
VCC
6
16
IF
AMP_DEC1
19
IF
AMP_DEC2
17
LIMIN
14
LIMOUT
11
LIM_DEC1
13
LIM_DEC2
12
MIXOUT
20
OSCIN
AUDIOOUT
8
AUDIO_FEED
7
GND
15
IF
AMPIN
18
IF
AMPOUT
U300
SA616
1
45B02
Y300
455KHz
3
2
130.0p
C302
C315
100n
R328
1.2K
R329
1.8K
BW_SEL
TC7W04F
6
2
U301
C312
2.4K
100n
R327
3.3K
R324
TC7W04F
1
7
U301
C313
100n
20.K
R306
R315
12.K
3
GND
1 IN
2
OUT
FL301
FLTR
0.1uF
C316
R305
20.K
D302
3
GND
1 IN
2
OUT
FL302
FLTR
R316
12.K
D301
1
OUT 2
CFWC455D
FL304
3
GND1
GND2
4
IN
R307
20.K
R317
12.K
0.1uF
C317
3V
R314
12.K
390.
R335
Q302
UHF2 (438-470 MHz) 1-25 W Receiver Front and Back End (Sht 2 of 2)
Summary of Contents for cm200 Commercial Series
Page 1: ......
Page 2: ......
Page 3: ...M CM200 CM300 PM400 Radios Detailed Service Manual 6881098C00 A ...
Page 6: ...THIS PAGE INTENTIONALLY LEFT BLANK Notes ...
Page 7: ...CM200 CM300 PM400 Radios Service Maintainability Issue November 2007 M ...
Page 10: ...iv Notes ...
Page 12: ...vi Notes ...
Page 16: ...1 4 INTRODUCTION Notes ...
Page 24: ...2 8 MAINTENANCE Notes ...
Page 27: ...CM200 CM300 PM400 Radios Control Head Service Information Issue November 2007 M ...
Page 32: ...1 2 OVERVIEW Notes ...
Page 46: ...4 2 CONTROLHEAD PCB SCHEMATICS PARTS LISTS Notes ...
Page 53: ...CM200 CM300 PM400 Radios UHF2 438 470 MHz 1 25 W Service Information Issue November 2007 M ...
Page 58: ...vi Notes ...
Page 62: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS Notes ...
Page 96: ...4 2 UHF2 PCB SCHEMATICS PARTS LISTS Notes ...
Page 151: ...CM200 CM300 PM400 Radios UHF2 438 470 MHz 25 40 W Service Information Issue November 2007 M ...
Page 156: ...vi Notes ...
Page 160: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS Notes ...
Page 194: ...4 2 UHF2 PCB SCHEMATICS PARTS LISTS Notes ...
Page 222: ...4 30 UHF 25 40 W Band 2 PCB 8486577Z01 Schematics Notes ...
Page 250: ...4 58 UHF 25 40 W Band 2 PCB 8486577Z03 Schematics Notes ...
Page 251: ...CM200 CM300 PM400 Radios UHF3 465 495 MHz 25 40 W Service Information Issue November 2007 M ...
Page 256: ...vi Notes ...
Page 260: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS Notes ...
Page 294: ...4 2 UHF3 PCB SCHEMATICS PARTS LISTS Notes ...
Page 322: ...4 30 UHF 25 40 W Band 3 PCB 8486577Z01 Schematics Notes ...
Page 350: ...4 58 UHF 25 40 W Band 3 PCB 8486577Z03 Schematics Notes ...
Page 351: ......
Page 352: ......