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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Mon 06, 2021 6:35 pm 
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US7IGN wrote:
I have seen on the internet people changing the carrying handles to the belt. I’ll think about it. Alternatively, it can also be made from an aluminum strip. One bolt for its fastening is also lost. It's good that there is only one left and I can order a new one from a turner according to the sample.

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Today I talked to the turner for a long time. What a cool guy! I learned a lot of new things. But with this particular bolt there is a problem - it has not only a left-hand thread, but also a non-standard pitch and a thread angle.

Together we think about what to do best. The easiest way is to cut a new standard thread in the plastic and grind another M6 bolt with standard metric thread.

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Mon 06, 2021 8:00 pm 
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Lotsa fun machining your own parts, ain't it? Been there, done that, numerous times.

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Mon 06, 2021 8:07 pm 
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fifties wrote:
Lotsa fun machining your own parts, ain't it? Been there, done that, numerous times.


Yes. For me, this is still constantly new communication with new people and gaining new knowledge. However, sometimes I am useful to others)

Unfortunately, I am drifting further and further away from complete authenticity, but if we take into account the original condition, it will be no worse.

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Mon 06, 2021 8:10 pm 
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US7IGN wrote:
fifties wrote:
Lotsa fun machining your own parts, ain't it? Been there, done that, numerous times.


Yes. For me, this is still constantly new communication with new people and gaining new knowledge. However, sometimes I am useful to others)

Unfortunately, I am drifting further and further away from complete authenticity, but if we take into account the original condition, it will be no worse.

IMHO performance is more important than strict originality. Of course others on the board feel the opposite. It's all in what matters the most to you.

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Mon 06, 2021 8:16 pm 
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fifties wrote:
IMHO performance is more important than strict originality. Of course others on the board feel the opposite. It's all in what matters the most to you.


It's always a tough choice. Besides, I'm not a real restorer. I'm just very happy to bring back to life another not the most common radio, which has apparently already been once in the trash can)

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Tue 07, 2021 11:39 am 
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Location: Monroe GA 30656 (from Coventry, UK)
Very nice work on bringing this radio back to life.


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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Tue 07, 2021 9:23 pm 
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Great job! I though at first it was one of those radios that doubled up as a car radio with a cradle that stayed in the car - perhaps it is. Some of the big ones had another amplifier in the cradle and extra speakers.

Retractable antennas are assembled upside down! Start with the largest tube but without the base attached - fit the next slightly smaller tube and fit the little copper shims to the bottom end - repeat until you get to the solid rod and press/glue/solder the cap to the top. Now fit the base to the bottom of the large rod and peen it into place - now pour yourself a large drink!

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Wed 08, 2021 6:08 am 
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Guys, thanks for your support!

I have already reassembled the antennas. I took the finished new telescopes and fixed them to the old base.

This really is one of those car radios. At the bottom there is a special connector for external power supply, antenna and speakers. I think it did not have a handle and the cabinet was well preserved precisely because someone took it out of the car.

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Wed 08, 2021 8:35 am 
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I made side strips from an aluminum strip 2 mm thick. Of course, it would be better from 1 mm, but I did not find such. I will make a handle from the same strip. I will only strengthen the middle part.

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File comment: strip
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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Wed 08, 2021 10:16 am 
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Those side strips you made look "factory", nice job!

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Wed 08, 2021 11:03 am 
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Thanks! These aluminum stripes in color and texture perfectly fit the right side of the front. I think a handle in the same style will look good.

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Wed 08, 2021 7:07 pm 
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So, I decided to think a little more and came up with the following. The turner talked about carving a new bolt, but with a regular thread, and somehow changing the threads inside the radio to match. But if there is a common thread in the radio, then why bother wasting time and money on a cunning bolt when you can get by with the usual? Then I went to the store and bought suitable bolts and nuts, but with a thread of 5 mm (originally 6 mm). I glued the nuts behind the native thread, and took the bolts longer. They and the nuts are now 5 mm and are passing through in the old thread.

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Also inserted bushings.

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The handle was bent from a strip of aluminum and it turned out like this

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Wed 08, 2021 7:10 pm 
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Now they stand together

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Wed 08, 2021 9:36 pm 
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Again, nice work! Your restored set looks "factory" to me! :wink:

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Wed 08, 2021 9:52 pm 
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Thanks! I'm very pleased!
Of course, it turned out inauthentic, but even my wife liked it)
I'm still on a budget. The receiver itself cost $ 5, the rest of the materials another $ 5-10. I wonder how much it would be worth at the auction now?
I still ordered a connector for the antenna - I will restore it as in the original. I also found a hidden hole for the power connector, which I will also install.

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Wed 08, 2021 10:14 pm 
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Nobody but you (and have your wife sworn to secrecy) would know that it's not completely factory stock.

Personally I never consider the resale value of a set that I've restored, cosmetically, electronically, or both, because it doesn't matter, as I fix them up in order to keep.

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Wed 08, 2021 10:45 pm 
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Nice work, I like seeing those European sets. I wonder what car it would have gone in?


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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Sat 11, 2021 7:29 pm 
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I installed a new antenna socket and recovered the original connections. Someone earlier, when removing this connector, quite arbitrarily connected the wires from it.

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Also, taking advantage of the large number of holes in the case, I inserted a connector for external power supply at bottom. To get the required 9 volts from any external power source, I also installed a regulator LM7809. Everything is easily and quickly removed if necessary.

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Sat 11, 2021 8:01 pm 
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Also today I took it out of town. Great radio for picnics!

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 Post subject: Re: Blaupunkt Riviera 94800 restoration
PostPosted: Sep Sat 11, 2021 8:29 pm 
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This is a good looking picture of your design work on the radio. In fact it could have been used in an advertisement for the set, back in the day.

Image

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