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1971 Beovision 3200
Forum Free Registration Closed
Granada Television Brochure, 1970s
Long Gone UK TV Shops
Memories of a Derwent Field Service Engineer
PYE Australia Circa 1971
Radios-TV VRAT
Fabulous Fablon
Thorn TX10 Chassis
Crusty-TV Museum, Analogue TV Network
Philips N1500 Warning!
Rumbelows
Thorn EMI Advertising
Thorn’s Guide to Servicing a VCR
Ferguson 3V24 De-Robed
Want to tell us a story?
Video Circuits V15 – Tripler Tester
Thorn Chassis Guide
Remove Teletext Lines & VCR Problems
Ceefax (Teletext)
Suggestions
Website Refresh
Colour TV Brochures
1970s Lounge Recreation
CrustyTV Vintage Television Museum
Linda Lovelace Experience
Humbars on a Sony KV2702
1972 Ultra 6713
D|E|R Service “The Best”
The one that got away
Technical information
The Line Output Stage
The map
Tales of a newly qualified young engineer.
Tales of a Radio Rentals Van Boy
Sanyo SMD
Disastrous Company Rebranding
1969 Philips G22K511
Memories Of The TV Trade
Crazy house
Dirty TV screens
Dual Standard and Single Standard CTV’s
Radios-TV on YouTube
The Winter of 62/63
A domestic audio installation
1979 Ferguson Videostar Deluxe 3V16
Music centre modifications
Unusual record player modification
B&K 467 Adapters
Mishaps In The Trade
1971 Beovision 3200
Trade Chat Telepart; Staff Magazine
Thumbing through a staff Telepart magazine from August 1980, I found these two interesting (to me) ad's.
If only A ! ........
Quote
Thick Film is a refinement in the continuing process of integration and miniaturisation. It is more reliable, simpler, functionally more efficient..............
Thorn LOPT; "Magic Circle" mod.
I've only ever heard of how bulletproof Thorn LOPTS were, so it was intriguing to read about the portable lopt problems, and the fix. Not heard of this before, has anyone else?
And Finally .... What Colour TV sold the most?
A long while ago, the above question was posed on our forum. Lots of TV's were suggested, and many felt it would have been the Philips G8. Well, if Telepart are to believed, and I see no reason why they would fabricate this, the answer is the Thorn 3000/3500 series.
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I think the Thick Film was more to do with keeping manufacturing costs down, reliability which didn’t occur was a nice marketing statement, or perhaps I am cynical.
I am not surprised with 3000/3500 being favourite but probably rented in much larger numbers than sold. Thorn had possibly the largest rental group in the country.
Telpro, I do vaguely remember them, I may have used them for spares but it’s a very dim memory.
Frank
The "Magic circle" was nothing more than an external rectifier diode. We used to do this often with failed mono sets (not just thorns) . The premise being the internal rectifier would fail short, and the resulting AC at the final anode did nothing much to accelerate electrons. another rectifier in series, and it's away again. We used to have a draw of stick rectifiers for just this purpose. I keep meaning to try this on my franken-pye 169 to see if that's what's causing rapid failure of the EHT when it gets slightly warm... a lack of rectifier being the issue !
Don’t why I typed Telpro and not Telepart.
A snippet from PT attached from July 1980, seems it was part of WillowVale.
Frank
Yep, the monochrome Lopt mod was done regularly quite why it was named the magic circle I have no idea.
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