SOLVED - Dead Beolink 7000 - and it's not the batteries!

5 replies
M(
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mattiasf92 (archived2)
Bronze
Posted July 17, 2013 at 20:44 GMT
#2197107

Hi!

I just got a broken Beolink 7000 together with the charger for a good price. As the most common problems with these ones are the batteries, I bought five 1.2v AA NimH rechargable batteries and put them together creating a battery pack at 6v.

I connected the new battery pack and put the remote on the charger for some hours. I now got +6v and ground on the incoming lines of the circuit board. But it's still dead! Are there any fuses or other things that might be broken? I've checked the solderings and most of them looks ok.

Thanks!

EDIT - Problem Solved:

Thanks for all the help, the problem is now solved and my Beolink 7000 works great! The fuse had blown and there were a bad solderings and a loose connection between the boards. It now works great together with my Beosystem Av 9000. Anyway, I am very happy I bought this masterpiece for 2000 swedish crowns!

As a sign of my gratitude, here is some pictures of it in action! =)

S(
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Step1 (archived2)
Bronze
Posted July 18, 2013 at 10:59 GMT
#2197108

There is a Whickman style fuse it doesn't often blow to my knowledge but if you replace it might be worth checking some of the larger transistors and motor for seizure, although that is unlikely to blow the fuse in itself.

NiMh cells are not the best choice as this remote is on a constant trickle charge and they do not cope as well as Ni-cd cells. Original spec Sanyo cells are available from trade suppliers.

M(
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mattiasf92 (archived2)
Bronze
Posted July 19, 2013 at 11:54 GMT
#2197109

Thanks for the help! I'll check the transistors. Can it be the power on switch on the metallic surface that is the problem and is there any way to turn it on without it to test?

 

I know that Ni-cd cells are the best, but the stupid European Union has a directive that makes it almost impossible to import them and I couldn't find any at my local stores :(

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Step1 (archived2)
Bronze
Posted July 19, 2013 at 14:34 GMT
#2197110

It should initially switch on when you connect the supply.

S(
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Step1 (archived2)
Bronze
Posted July 19, 2013 at 14:35 GMT
#2197111

But check that fuse first for continuity!

 

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