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 Post subject: Bauer P 6 Problem Sorted out !!!!!!!!!!!!!!!!!!!!!
PostPosted: Thu Aug 06, 2015 4:05 am 
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Joined: Wed Jul 29, 2015 6:17 am
Posts: 8
Location: south africa
Hi Guys

I posted a "Help Please " a couple of weeks ago and have finally solved the problem , I thought I would post this to maybe help others with similar problems .

The projector is a "Rank Aldis Automatic " which is actually a Bauer P

The projector ran fine but as soon as you turned on the volume the 1.6 amp fuse would blow , so there was a problem with the amp and lamp exciter circuit .
I replaced all caps and transistors but still the problem , eventually it turned out to be a bridge rectifier and a little Capacitor that sits right next to it .....now at least the lamp turns on but still no sound , I brought a 5 watt preamp kit from a local parts store ( took about an hour to solder together) and hooked it up to the light pick up ( some people call it a solar cell , some call it a photocell ) anyway I now have sound !!!!!!!!!!!!!!

But I want it to look original

I spent hours and hours looking over the amp board , cant find anything wrong with the circuit , a lot of the parts are so old and difficult to find replacements or suitable substitute .

So I ve decided to keep the old amp circuit board ( which also holds the lamp exciter circuit ) and connect the photocell direct to the new preamp circuit I made using the old volume controls .The new preamp circuit is tiny and fits perfectly into the housing , I also made up a plug to connect to my Hi Fi . So you can either listen to it on its own or "surround Sound " :)

The sound is great , I still have some work to do so should be finished in a day or two , I will post some Pics when it finished .

The main thing is it looks totally original and I have nt destroyed anything , it now runs off a new amp hidden away inside , I should have many years of fun.

Thanks Guys


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 Post subject: Re: Bauer P 6 Problem Sorted out !!!!!!!!!!!!!!!!!!!!!
PostPosted: Thu Aug 06, 2015 2:41 pm 
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Joined: Tue Apr 26, 2011 4:51 pm
Posts: 2011
Location: Loganville, Ga.
Guy, that is quite an achievement. Could you post photos for future reference?

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And now For Our Feature Presentation.

http://www.metroxpressjazz.com/index.html


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 Post subject: Re: Bauer P 6 Problem Sorted out !!!!!!!!!!!!!!!!!!!!!
PostPosted: Fri Aug 07, 2015 5:08 am 
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Film Expert

Joined: Wed Jul 29, 2015 6:17 am
Posts: 8
Location: south africa
Thanks Dan

I am still busy finishing it off but I will post some pics of the completed project .I really learnt a lot about projectors and had a blast , time for the next one:)


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