UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics
4-17
D3_3V
DNP
DNP
SHEET 8 OF 8
73D02968C74-O
DNP
R458
3.3K
VR400
VSTBY
C417
120.p
VR402
3.30
R402
0.
Q401
DNP
DNP
TO
SHEET
2
PROG_IN
PROG_I/O
PROG_I/O
PROG_I/O
EXT_ALARM_OUT
EXT_MIC_PTT
22.n
C421
120.p
C423
100n
C422
D3_3V
TEST_POINT
TP408
1
R470
10.K
TP405
TEST_POINT
1
47.K
R459
0.
R407
R406
0.
R436
33.K
R457
3.3K
14 SERIN
9
SEROUT
16
VCC
D3_3V
1
Q1
2
Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
10
RESET
MC74HC595A
U405
12
CLK_L
11
CLK_S
13
EN_OE
8
GND
15
Q0
DNP
R469
DNP
DNP
R467
R468
R466
DNP
D3_3V
C490
1.u
10.K
R422
R431
10.K
R430
39.K
R429
100.K
D401
220.
R421
R461
220.
120.p
C418
D3_3V
6.80
10.K
R445
10.K
R444
Q415
D3_3V
Q414
Q413
D402
Q405
Q404
Q416
Q403
2.7K
R401
R460
1.5K
FI
10.K
R440
Q412
R405
0.
33.K
R435
R456
D3_3V
3.3K
Q411
33.K
D3_3V
R434
3.3K
R455
Q410
R404
0.
D3_3V
0.
R403
R433
R454
3.3K
33.K
Q409
D3_3V
3.3K
33.K
R432
R453
Q408
PROG_OUT-ALARM_4
HOOK_CH
MIC_PTT_CH
BOOT_EN_IN_CH
MIC_PTT
MIC_SENSE
SCI_CH
PROG_OUT-ALARM_4
PROG_IO-P8_O
PROG_IO-P12_O
PROG_IO-P14_O
SPI_CLK
VS_AUDIO_SEL
VS_GAIN_SEL
SPI_MOSI
PROG_I-ACC_C_3
PROG_O-ACC_C_4
PROG_I-ACC_C_6
PROG_IO-ACC_C_8
PROG_IO-ACC_C_12
PROG_IO-ACC_C_14
PROG_IO-P14_I
PROG_IO-P14_O
PROG_IO-P12_I
PROG_IO-P12_O
PROG_IO-P8_I
PROG_IO-P8_O
PROG_IN-P6_I
ACCESS_PTT
VS_INT
VS_CS
VS_RAC
UHF2 (438-470 MHz) 1-25 W Microprocessor and Controller Circuits (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: ......
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