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Posted on Aug 22, 2007

Radar screen shows "no scanner". Would like resistance data for cable pin-out from display to scanner head.

2 Answers



Some cable test stuff
Remove the cable from the display, leave the dome connected
I thought the cable end had pin numbers but let me know if it doesn't,
the video pins are 1 and 2 which are located
either side of the key slot
Video pins 1 & 2 resistance 46 Kohms colors 1 white signal, 2
black return
Azimuth 12 &13 resistance 10 Kohms colors 12 purple azimuth +
, 13 grey azimuth -
Trigger 4 & 7 resistance 10 Kohms colors 4 orange trigger
+ ,7 yellow trigger -
Data I/O 6 & 10 resistance 160 Kohms colors 6 green data + , 10
blue data -
Approx. +/- 5 ohms tolerance.
Below is a pin chart of the display connector
2 1
5 4 3
8 7 6
11 10 9
13 12
Other pins on display connector
Battery - pins 3 & 5 both black
Battery + pins 9 & 11 both red
Shield pin 8
Dome connections
Video pin 8 white
Video rtn pin 7 black
Trigger + pin 6 orange
Trigger - pin 5 yellow
Data + pin 4 green
Data- pin 3 blue
Azimuth+ pin 2 purple
Azimuth - pin 1 grey
Battery + red
Battery - Black
There was a note that some cables only have one set of battery
connections pins 5 & 9
Battery connections on 3 & 11 not present on all cables. You should
have the doubled power wires with the 4KW unit.
If the test results did not have the correct ohms then they said to
check it at the dome
If the dome checked ok, then the cable was bad, and to continuity check
the cable to confirm
a bad cable


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  • Contributor 16 Answers
  • Posted on Dec 28, 2007
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