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Tim Olson
Joined: 25 Jan 2007
Posts: 2872
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 Posted: Mon May 21, 2012 9:54 am Post subject: SL30 problems in Phoenix - now I'm back in NC looking for a |
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Personally, my advice would be to either have a shop bench
test it, or take your SL-30 and put it in a known-good
airplane that uses an SL-30. If your SL-30 was somehow
blown up by a wiring issue or some other component in your
plane, it would really make you feel bad to take a fellow
RV'ers SL-30 and blow theirs up too. But to pull yours
and stick it into someone elses known-good tray, you'd
probably not be risking much.
Tim
On 5/21/2012 11:47 AM, Bob Turner wrote:
| Quote: |
Turner"<bobturner(at)alum.rpi.edu>
Bill,
I think there's an easy test for the PMA9000, IF the SL-30 is wired
as the #1 com. Just turn it off (push on the volume control knob).
The audio panel is "fail safe" and should provide a direct connection
between the #1 com and the pilot's headset (pilot only, and left ear
only if stereo).
I'm on the wrong coast, or I'd offer to swap my SL-30. If you can
find one that's certainly the easiest test. If you can't find one to
borrow, you can consider the following:
The "fail safe" test on the audio panel doesn't check the wiring. I'd
pull both the SL-30 and the audio panel. Get out the schematics and
figure out what pins carry the audio signals between the units. Use
an ohmmeter with long probes to reach back to the pins and check
continuity, both "high" and "low" side of the audio lines.
Does the VOR side of the SL-30 work? If so, just swap the coax on the
back (not so easy, I know). Connect the VOR antenna to the com
antenna input, and vice versa. Does the VOR now not work, and does
the com now receive? If the answer is yes, then the problem is in the
com coax or the antenna. If no, it's the SL-30 itself (assuming
you've ruled out the audio panel and audio wiring).
-------- Bob Turner RV-10 QB
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=373493#373493
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recapen(at)earthlink.net
Guest
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| Posted: Tue May 22, 2012 6:03 am Post subject: SL30 problems in Phoenix - now I'm back in NC looking for a |
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Bill,
I'll let you try your SL30 in my 6A.....Laurel, DE (N06).....
Ralph Capen
--
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etandrews(at)westnet.com.
Guest
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| Posted: Tue May 22, 2012 11:15 pm Post subject: SL30 problems in Phoenix - now I'm back in NC looking for a |
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My SL30 failed recently - could not transmit or receive. The casing was alot hotter than normal after 30mins use and there was a noticeable burnt electronics smell from the back plugs.
Evan Andrews
VH-OSH flying
Sent from my iPad
On 22/05/2012, at 3:53 AM, Tim Olson <Tim(at)myrv10.com> wrote:
| Quote: |
Personally, my advice would be to either have a shop bench
test it, or take your SL-30 and put it in a known-good
airplane that uses an SL-30. If your SL-30 was somehow
blown up by a wiring issue or some other component in your
plane, it would really make you feel bad to take a fellow
RV'ers SL-30 and blow theirs up too. But to pull yours
and stick it into someone elses known-good tray, you'd
probably not be risking much.
Tim
On 5/21/2012 11:47 AM, Bob Turner wrote:
>
> Turner"<bobturner(at)alum.rpi.edu>
>
> Bill,
>
> I think there's an easy test for the PMA9000, IF the SL-30 is wired
> as the #1 com. Just turn it off (push on the volume control knob).
> The audio panel is "fail safe" and should provide a direct connection
> between the #1 com and the pilot's headset (pilot only, and left ear
> only if stereo).
>
> I'm on the wrong coast, or I'd offer to swap my SL-30. If you can
> find one that's certainly the easiest test. If you can't find one to
> borrow, you can consider the following:
>
> The "fail safe" test on the audio panel doesn't check the wiring. I'd
> pull both the SL-30 and the audio panel. Get out the schematics and
> figure out what pins carry the audio signals between the units. Use
> an ohmmeter with long probes to reach back to the pins and check
> continuity, both "high" and "low" side of the audio lines.
>
> Does the VOR side of the SL-30 work? If so, just swap the coax on the
> back (not so easy, I know). Connect the VOR antenna to the com
> antenna input, and vice versa. Does the VOR now not work, and does
> the com now receive? If the answer is yes, then the problem is in the
> com coax or the antenna. If no, it's the SL-30 itself (assuming
> you've ruled out the audio panel and audio wiring).
>
> -------- Bob Turner RV-10 QB
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=373493#373493
>
>
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