Control Head CM300/PM400 Troubleshooting Chart
3-5
2.2
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 R13, R45
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 R12, R49
on Control Head
Right
Voltage
on P1–P4
Keys ?
Is there
0.75 Vdc on
MIC_SENSE
R429, on radio
Check R31, R29
R51, R11
on Control Head
A
YES
No
YES
No
Содержание Radius CM200
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Страница 3: ...M CM200 CM300 PM400 Radios Detailed Service Manual 6802966C20 C ...
Страница 6: ...Notes ...
Страница 8: ...Notes ...
Страница 9: ...CM200 CM300 PM400 Radios Service Maintainability M Issue May 2009 ...
Страница 12: ...iv Notes ...
Страница 14: ...vi Notes ...
Страница 18: ...1 4 INTRODUCTION Notes ...
Страница 26: ...2 8 MAINTENANCE Notes ...
Страница 29: ...CM200 CM300 PM400 Radios Control Head Service Information M Issue May 2009 ...
Страница 34: ...1 2 OVERVIEW Notes ...
Страница 48: ...4 2 CONTROL HEAD PCB SCHEMATICS PARTS LISTS Notes ...
Страница 55: ...CM300 Radio VHF1 136 162 MHz 25 45 W Service Information M Issue May 2009 ...
Страница 60: ...vi Notes ...
Страница 64: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS Notes ...
Страница 98: ...4 2 VHF1 PCB SCHEMATICS PARTS LISTS Notes ...
Страница 124: ...4 28 VHF 25 45 W Band 1 PCB 8486487Z03 Schematics Notes ...
Страница 125: ...CM200 CM300 PM400 Radios VHF2 146 174 MHz 1 25 W Service Information M Issue May 2009 ...
Страница 130: ...vi Notes ...
Страница 134: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS Notes ...
Страница 164: ...3 8 TROUBLESHOOTING CHARTS Notes ...
Страница 166: ...4 2 VHF2 PCB SCHEMATICS PARTS LISTS Notes ...
Страница 192: ...4 28 VHF 1 25 W Band 2 PCB 8488977U01 rev P9 Schematics Notes ...
Страница 218: ...4 54 VHF 1 25 W Band 2 PCB 8486672Z01 Schematics Notes ...
Страница 219: ...CM200 CM300 PM400 Radios VHF2 146 174 MHz 25 45 W Service Information M Issue May 2009 ...
Страница 224: ...vi Notes ...
Страница 228: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS Notes ...
Страница 262: ...4 2 VHF2 PCB SCHEMATICS PARTS LISTS Notes ...
Страница 312: ...4 52 VHF 25 45 W Band 2 PCB 8486487Z04 Schematics Notes ...
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