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Elvision XT-3725 TV

 
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Joined: 06 May 2006
Posts: 18
Location: Oslo, Norway

PostPosted: Sun Sep 10, 2006 4:03 am    Post subject: Elvision XT-3725 TV Reply with quote

I have an old 14" TV that I am trying to make an upgrade for, but IR can't recognize the signals, so I guess i need a new protocol as well.
Can the experts help me with this.

1. Device: Elvision XT-3725 B/G made in China
2. Type of device: TV
3. Year: 1991
4. JP1 Remote model: URC-8910
5. JP1 user? Yes
6. Still have original remote? Yes
7. Checked the file section? Yes
8. Checked Pronto file section (at R/C)? Yes
9. Partially working setup code? NO
10. Learning remote question? I have learned all the buttons to the 8910 and they all work.

The IR file is here.

Thanks
Geir
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The Robman
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Joined: 01 Aug 2003
Posts: 19517
Location: Chicago, IL

PostPosted: Sun Sep 10, 2006 1:28 pm    Post subject: Reply with quote

I've seen this protocol before, or something quite similar, but I can't remember where. It appears to have three burst pairs but I think it's really a case of something like "always send a 1 after a 0 or something like that.

Here's what I got from the posted signals, where the bits of the LSB OBC are labelled abcdef, and X is a checksum created by XORing the OBC bits.

You'll notice that any given column can either be 0/1 or 0/2, you'll never see a 1 and a 2 in the same column.

freq: 0
leadin: +20 -396
leadout: LI, +20 -104000

0 = +20 -84
1 = +20 -188
2 = +20 -292

or

a = +20 -84
b = +00 -104
leadin: abbb

Code:
----------ab ef cd x----------------- OBC
LI: 00002 00 10 00 1  LI: +20 -104286 16
LI: 00002 10 10 00 0  LI: +20 -104286 17
LI: 00002 02 10 00 0  LI: +20 -104182 18
LI: 00002 12 10 00 1  LI: +20 -103974 19

LI: 00002 00 10 10 0  LI: +20 -104286 20
LI: 00002 10 10 10 1  LI: +20 -104076 21
LI: 00002 02 10 10 1  LI: +20 -103972 22
LI: 00002 12 10 10 0  LI: +20 -103972 23

LI: 00002 00 10 02 0  LI: +20 -104180 24
LI: 00002 10 10 02 1  LI: +20 -103972 25
LI: 00002 02 10 02 1  LI: +20 -103866 26
LI: 00002 12 10 02 0  LI: +20 -103866 27

LI: 00002 00 10 12 1  LI: +20 -103970 28
LI: 00002 10 10 12 0  LI: +20 -103970 29
LI: 00002 02 10 12 0  LI: +20 -103866 30
LI: 00002 12 10 12 1  LI: +20 -103658 31

LI: 00002 10 02 12 0  LI: +20 -103866 45
LI: 00002 12 02 12 1  LI: +20 -103552 47

LI: 00002 12 00 00 0  LI: +20 -104178 03
LI: 00002 10 00 00 1  LI: +20 -104282 01
LI: 00002 12 00 12 0  LI: +20 -103864 15
LI: 00002 10 00 12 1  LI: +20 -103968 13

LI: 00002 00 12 12 0  LI: +20 -103864 60
LI: 00002 02 12 12 1  LI: +20 -103550 62
LI: 00002 12 12 12 0  LI: +20 -103550 63

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Rob
www.hifi-remote.com
Please don't PM me with remote questions, post them in the forums so all the experts can help!


Last edited by The Robman on Wed Dec 27, 2006 11:44 pm; edited 2 times in total
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The Robman
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Joined: 01 Aug 2003
Posts: 19517
Location: Chicago, IL

PostPosted: Sun Sep 10, 2006 8:33 pm    Post subject: Reply with quote

OK, I found the other protocol that I was thinking of, so I'm posting a link to the thread where it's discussed just so I remember where it is...

http://www.hifi-remote.com/forums/viewtopic.php?t=5256
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Rob
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Please don't PM me with remote questions, post them in the forums so all the experts can help!
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Joined: 06 May 2006
Posts: 18
Location: Oslo, Norway

PostPosted: Sat Sep 16, 2006 5:00 pm    Post subject: Reply with quote

Thanks for the reply Robman.

I do apologize for the late response, but right after i post the request i had a severe computercrasch on my laptop, I tried to fix it myself, but I could'nt, so I had to send it in for repair.

For the moment I am using an old laptop that I have borrowed from a friend.

I will be back as soon as I get my laptop back from service.

Geir
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The Robman
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Joined: 01 Aug 2003
Posts: 19517
Location: Chicago, IL

PostPosted: Sat Sep 16, 2006 5:14 pm    Post subject: Reply with quote

I don't think I can generate this signal using the IR engine, so therefore it will need a custom executor. As I seem to be the only who writes them these days, you'll need to wait until I have some time to write and test one.
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Rob
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Please don't PM me with remote questions, post them in the forums so all the experts can help!
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The Robman
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Joined: 01 Aug 2003
Posts: 19517
Location: Chicago, IL

PostPosted: Thu Dec 28, 2006 12:31 pm    Post subject: Reply with quote

Better late than never, here's an upgrade for this TV that you can try...
http://www.hifi-remote.com/forums/dload.php?action=file&file_id=4008
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Rob
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Joined: 06 May 2006
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Location: Oslo, Norway

PostPosted: Thu Dec 28, 2006 1:31 pm    Post subject: Reply with quote

Thanks Rob

This worked perfect.


The IR file has been removed from the Diagnose area
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