I just had a look on Conrad and if I’m looking at the right part (article number 1565919) it says it will be back in stock 17th June. 
BeoMedia 

Thanks for that number.  But it looks that like is for a blue backlight and not the white one.  Unless it is supposed to be the blue one.  I saw in the original post from this thread it was white.  Do you think they would perform the same?  If so I am going to jump on it and grab it as it is now back in stock.   Thanks again for your help!

you can choose blue green or white  on the site. This is for white https://www.conrad.de/de/p/tru-components-leuchtfolie-weiss-l-x-b-x-h-138-x-34-x-0-5-1571787.html

John wrote:

Thanks for that number.  But it looks that like is for a blue backlight and not the white one.  Unless it is supposed to be the blue one.  I saw in the original post from this thread it was white.  Do you think they would perform the same?  If so I am going to jump on it and grab it as it is now back in stock.   Thanks again for your help!

Dont use a blue backlight, this will make the text almost invisible, since the LCD itself is blue. You need a white one, but the last white I bought at Conrad, was actually more blue than white, and made text hard to read.

/Jacob

I recently bought a Beogram 7000 but the seller also asked me if I was interested in a Beolink 7000. Sure - I was. However, it only worked when on the charger and there was the 'no contact' message in the display. I made an offer and the seller sold it to me for 25 GBP. Visually, the Beolink is near mint.

Inspired by this thread, I took the Beolink apart and ordered the caps. I also took a look at the rechargeable battery pack - horrible. It appears to have leaked - but luckily no damage seems to have been done. I have ordered a new battery from Vienna, so looking forward to that. In the meantime, here is a pic of the old battery pack:

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So my components have arrived and I have changed them apart from the SMDs which I had ordered in the wrong size - yep, instead of 6.3V I had ordered 63V and of course they are way too big to fit. Anyway, the capacitors that I have changed actually all measure fine off the board. I tried the Beolink 7000 and of course the changing of the okay capacitors made no difference. So, it looks like one of the SMDs is faulty. I have ordered two new ones in the right voltage and hopefully size.

Time to find a new source.  Does anyone have any ideas?  I just got this response from Conrad.  

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Dear John,

thank you very much for your interest in our products.

Much to our regret we have to inform you that the item requested is sold out and can no longer be delivered. Due to an error the item appeared in our web shop without any price or status information.

Unfortunately we only have red, green and blue display illumination films available anymore, as this product group is being phased out.
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Anyone have any thoughts to trying the red or green panel?  Blue will not work since the rest is blue and it would just be washed out.  

Finally my SMD components arrived, and I have cleaned the board and soldered them on, and 2-way communication still does not work - argh.

Fast forward to this morning where 2-way communication suddenly started working - however only for a few minutes. I have then noticed that if I turn off the BL 7000 for a while, 2-way communication will work again but only for a very short time. Any suggestions what to look for?