Daniels Electronics TN100 Руководство по установке и устранению неисправностей - Страница 5
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DANIELS
ELECTRONICS LTD.
ELECTRONICS LTD.
TN100 System Installation and Troubleshooting
Operational Troubleshooting
1.0
Motherboard
1.1
Modules Do Not Fit in Subrack
1. Check the guide rail positions (refer to the SR-3 subrack instruction manual). Relocate the guide rails
if required.
2. Check the connectors on the back of the module for bent pins. Carefully straighten any bent pins if
required.
1.2
No Supply Power
1. If a system monitor is part of the radio system, a quick check for power is to turn the audio switch to
either A or B. If the LED turns on, power is present.
2. Inspect all power connections for continuity, polarity, etc.
3. Check the fuse on the M-3 Motherboard and replace if necessary (standard 15 amp fast blow). If fuse
blows again go to section 1.3.
4. Check any fuses outside of the radio subrack(s) and replace if necessary. If fuse blows again go to
section 1.3.
5. Check the subrack power input (terminal strip J8) and any batteries and/or power supplies for correct
voltages. There should be +10 to +17 Vdc at the power input.
6. Measure the battery voltage at the system monitor if one is installed. Select the supply voltage func-
tion on the system monitor rotary switch and measure the voltage at the front panel test jacks. There
should be +10 to +17 Vdc at this point.
7. If a system monitor is part of the radio system, jumper JU40 is usually not installed. Power is then
routed through the system monitor. If the system monitor is not plugged in, the other modules will not
have power. Ensure the system monitor is installed correctly.
43 Erie Street
Victoria, B.C.
Canada V8V 1P8
TN100 Rev 3-0-0 Sep 08
TM
TM
Toll Free
Canada & U.S.A.
Phone:
1-800-664-4066
Fax:
1-877-750-0004
© Copyright 2008 Daniels Electronics Ltd. All rights reserved.
TECHNICAL NOTES
MT-3 Radio Systems
International
Phone:
250-382-8268
Fax:
250-382-6139
Internet
e-mail:
web:
www.danelec.com
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