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Vintage Television and Video Vintage television and video equipment, programmes, VCRs etc. |
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3rd Jul 2021, 7:12 pm | #21 | |
Hexode
Join Date: Dec 2017
Location: South East London
Posts: 301
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Re: Recap Strategies
Quote:
I would also second this. With modern capacitors getting smaller, the leads unfortunately don’t always reach. This ends up being a nightmare as you have to extend them or solder onto the old component leads. This can look un-neat. I think it’s important to mention that some early circuit boards also have a lot of oxidisation on them which makes it very hard to solder to. With the amount of heat and flux needed to make a good joint, you could potentially damage the track or the board.
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With regards, Ed |
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3rd Jul 2021, 7:55 pm | #22 |
Tetrode
Join Date: Aug 2017
Location: Wye, Kent, UK.
Posts: 93
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Re: Recap Strategies
Many thanks everyone for the detailed advice. A lot depends on what I find when I start restoring the innards of this (externally pristine) set. It is clear from peering into the chassis that it is quite gunky in there, and because -- for space reasons -- this is likely to be my only vintage set for quite a while, I need to proceed carefully.
I don't know when I will get going but will be sure to start a thread when that happens!
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Martin |
4th Jul 2021, 9:23 am | #23 |
Dekatron
Join Date: Jun 2005
Location: Warnham, West Sussex. 10 miles south of DORKING.
Posts: 9,147
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Re: Recap Strategies
Versions were manufactured with twin speakers.
The general chassis goo is mostly wax capacitors that have softened in a warm atmosphere. Quite normal but as you say, messy! Don't attempt any over cleaning until you have it basically working. J. |
4th Jul 2021, 6:57 pm | #24 |
Tetrode
Join Date: Aug 2017
Location: Wye, Kent, UK.
Posts: 93
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Re: Recap Strategies
Thank you for that advice, which was needed. I have a distinct tendency to clean stuff first, then restore the electronics, but I can see how that could be counterproductive if the set has not been brought to working order first.
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Martin |
4th Jul 2021, 8:17 pm | #25 |
Dekatron
Join Date: Mar 2005
Location: Gateshead, Tyne and Wear, UK.
Posts: 7,444
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Re: Recap Strategies
Picture of the timebase printed circuit panel in the Pye CW17 I have upstairs above the shop. A few components were replaced in order to get the set working, it wasn't a full restoration. Note C88, one of the leads of the old part was cut in the manner recommended by the Pye service department.
DFWB. |
5th Jul 2021, 8:40 am | #26 |
Dekatron
Join Date: Jun 2005
Location: Warnham, West Sussex. 10 miles south of DORKING.
Posts: 9,147
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Re: Recap Strategies
I reckon your example David was used from test card to Queen! It really is a well worn chassis. J.
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5th Jul 2021, 2:01 pm | #27 |
Dekatron
Join Date: Apr 2005
Location: North Wales, UK.
Posts: 6,916
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Re: Recap Strategies
Odd to think of all the nice clean sets we dumped back in the day, and some of the ones we're restoring now look like theyve spent their lives down a coal mine!
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