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Old 12-07-2016, 13:23   #1
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Radar Raytheon SL70 Error: Scanner not respondig.

I did clean conectors but it did not help. So what signal- which wire I have to check and for what voltage?

Or there is something other what I have to do?

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Old 12-07-2016, 13:30   #2
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Re: Radar Raytheon SL70 Error: Scanner not respondig.

IS THE DRIVE BELT ON
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Old 12-07-2016, 13:40   #3
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Re: Radar Raytheon SL70 Error: Scanner not respondig.

Than you.

Year ago when I was opening the unit it was.
Do you want me to check again or should we wait if someone has also idea what signals have to be present on wires?
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Old 12-07-2016, 16:06   #4
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Re: Radar Raytheon SL70 Error: Scanner not respondig.

There are two pairs of data wires that the radar IF board loops back for the MFD to check continuity. If there is a problem with either the IF board or the cable then you get the error you describe.

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Old 12-07-2016, 16:12   #5
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Re: Radar Raytheon SL70 Error: Scanner not respondig.

Thank you. I will check tomorrow.

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Old 12-07-2016, 16:27   #6
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Re: Radar Raytheon SL70 Error: Scanner not respondig.

I have a copy of the Raytheon service manual somewhere. Happy to email it to you if it will help.
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Old 13-07-2016, 09:32   #7
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Re: Radar Raytheon SL70 Error: Scanner not respondig.

I've had the samer issue with my RL70....solution, after removing the scanner for a tech check, was to change out the cable from the scanner to the unit. The unit now works well.
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Old 13-07-2016, 10:19   #8
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Re: Radar Raytheon SL70 Error: Scanner not respondig.

I had the same problem a while back and it turned out to be the cable connector to the scanner. Here's a post I did on the repair,
https://trawler-beach-house.blogspot...ck-of-one.html . You will need to check the connector and the power cable. If you can get your hands on another cable, do direct connection to be sure that is not the issue. Chuck
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Old 13-07-2016, 15:22   #9
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Re: Radar Raytheon SL70 Error: Scanner not respondig.

I have wiring to split in two location. And in that point i did check voltage on wires:
White:1,5V
Orange: 1,5
Green: 1.9
Blue: 1.8
Viola:3,5
Gray:3,5
XY:1.6
White:0,4

But it looks that i will have to eliminate all conectors and go directly.


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Old 13-07-2016, 15:46   #10
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Re: Radar Raytheon SL70 Error: Scanner not respondig.

Boatbod my email is:
ivan.golubar@gmail.com

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Old 13-07-2016, 17:37   #11
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Re: Radar Raytheon SL70 Error: Scanner not respondig.

Radome service manual inbound. It contains full details of the pinouts, expected voltages and ohm readings and flow charts for troubleshooting.
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Old 15-07-2016, 11:45   #12
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Re: Radar Raytheon SL70 Error: Scanner not respondig.

Thank you.

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Old 22-07-2019, 14:14   #13
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Re: Radar Raytheon SL70 Error: Scanner not respondig.

boatbod ... I stumbled across pr2501's thread and your post re: the SL70 Pathfinder radar service manual ... any chance I could also get a copy?
My new-to-me Uniflite 42' DCS has this radar. The MFD seems to operate OK (can be switched from Standby mode to Transmit mode by a brief touch of the Power button), however, no imagery is displayed, no error messages appear, and, I can't hear the scanner rotating ... my first thought was to confirm that the main radar cable carries all wires required ... as I have black and green AWG 16 wires that are routed through my tubular SS radar arch as far as the scanner but have been left unconnected and tied off in a knot ... so that they don't disappear back through the hole they're sticking out of ...

Thanks, FFF
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