Chapter 3
TROUBLESHOOTING CHARTS
1.0
Control Head CM200 Troubleshooting Chart
1.1
Control Head Failure
Back light
OK ?
Check 9.3V on
R808, R809
No
Control Head Check
Power-up
Alert Tone
OK ?
Check Speaker
Connection
No
Power-up
Red LED
Flash?
Check
D801, Q806, U801
No
Channel
Display
OK?
Check
DS801, U801, U802
No
Up/Down
P1 and P2
Alert Tone
Buttons OK?
Check R845, R846
R810, R811
No
EXT
PTT
OK ?
Check Q801, Q802
No
Communication Ok
Check Q803, Q812
Control Head is OK
YES
YES
YES
YES
YES
YES
No
Содержание cm200 Commercial Series
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Страница 3: ...M CM200 CM300 PM400 Radios Detailed Service Manual 6881098C00 A ...
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Страница 7: ...CM200 CM300 PM400 Radios Service Maintainability Issue November 2007 M ...
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Страница 27: ...CM200 CM300 PM400 Radios Control Head Service Information Issue November 2007 M ...
Страница 32: ...1 2 OVERVIEW Notes ...
Страница 46: ...4 2 CONTROLHEAD PCB SCHEMATICS PARTS LISTS Notes ...
Страница 53: ...CM200 CM300 PM400 Radios UHF2 438 470 MHz 1 25 W Service Information Issue November 2007 M ...
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Страница 222: ...4 30 UHF 25 40 W Band 2 PCB 8486577Z01 Schematics Notes ...
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Страница 251: ...CM200 CM300 PM400 Radios UHF3 465 495 MHz 25 40 W Service Information Issue November 2007 M ...
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Страница 294: ...4 2 UHF3 PCB SCHEMATICS PARTS LISTS Notes ...
Страница 322: ...4 30 UHF 25 40 W Band 3 PCB 8486577Z01 Schematics Notes ...
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