3-2
TROUBLESHOOTING CHARTS
1.2
Button/Tones Select Error (Page 1 of 2)
No
Check Voltage Levels on
TP401 (Keypad Col)
and TP402 (Keypad Row)
(see table on next page)
Right
Voltage
Up Key
No
Check R846, R811
on Control Head
Right
Voltage
on Down Key
?
Check Control Head
connectivity continuity
and R429, R430, D401
(main board)
Connect DTMF Mic
to TELCO Connector
YES
Button/Tones Check
Check R845, R810
on Control Head
Right
Voltage
on P1/P2
Keys ?
Is there
0.75 Vdc on
MIC_SENSE
R429, on radio
Check R813, R814
on Control Head
?
A
YES
No
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 ...
Страница 10: ...iv Notes ...
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Страница 16: ...1 4 INTRODUCTION Notes ...
Страница 24: ...2 8 MAINTENANCE Notes ...
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 ...
Страница 58: ...vi Notes ...
Страница 62: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS Notes ...
Страница 96: ...4 2 UHF2 PCB SCHEMATICS PARTS LISTS Notes ...
Страница 151: ...CM200 CM300 PM400 Radios UHF2 438 470 MHz 25 40 W Service Information Issue November 2007 M ...
Страница 156: ...vi Notes ...
Страница 160: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS Notes ...
Страница 194: ...4 2 UHF2 PCB SCHEMATICS PARTS LISTS Notes ...
Страница 222: ...4 30 UHF 25 40 W Band 2 PCB 8486577Z01 Schematics Notes ...
Страница 250: ...4 58 UHF 25 40 W Band 2 PCB 8486577Z03 Schematics Notes ...
Страница 251: ...CM200 CM300 PM400 Radios UHF3 465 495 MHz 25 40 W Service Information Issue November 2007 M ...
Страница 256: ...vi Notes ...
Страница 260: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS Notes ...
Страница 294: ...4 2 UHF3 PCB SCHEMATICS PARTS LISTS Notes ...
Страница 322: ...4 30 UHF 25 40 W Band 3 PCB 8486577Z01 Schematics Notes ...
Страница 350: ...4 58 UHF 25 40 W Band 3 PCB 8486577Z03 Schematics Notes ...
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