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URC6690/Serial Interface Help Request

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Joined: 10 Nov 2015
Posts: 1

PostPosted: Fri Nov 20, 2015 5:39 am    Post subject: URC6690/Serial Interface Help Request Reply with quote

Hi all, I have just acquired an OFA URC-6690 remote and I was not able to find a code for my Lite-On LVW-5115GHC+ DVD Recorder. During my search, I stumbled upon your JP1 site and discovered I could program the 6690. Therefore, I constructed a Discrete Transistor JP1.2/3 Serial Interface (per T. Tyler's revised 09 schematic) from bits I had on-hand. Upon operating this interface using IR.exe V8.03 I receive a checksum error when "Downloading from Remote". After dismissing the error I discovered that all the information from the remote was present (i.e. codes, learned keys, etc.). However, when I shut down the computer and disconnect the remote, I discovered the remote will no longer turn on/function. This problem can be resolved by removing and reinstalling the remote's batteries. My questions are:
1. Any idea(s) on what causes this?
2. Is there any risk of damaging the remote?
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