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Vintage Television and Video Vintage television and video equipment, programmes, VCRs etc.

View Poll Results: Which type is your TV22?
TV12 12 22.22%
TV22 Mk I 32 59.26%
TV22 Mk II 24 44.44%
TV22 A 10 18.52%
Multiple Choice Poll. Voters: 54. You may not vote on this poll

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Old 15th Jul 2022, 6:28 pm   #61
Paul_RK
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Default Re: Survey of TV22 ownership

A wee correction: I have two qualifying sets, a TV22 Mk2 whose serial number is the one recorded on the spreadsheet as belonging to a 62, and a TV62 whose serial number is... something else.

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Old 15th Jul 2022, 6:41 pm   #62
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Default Re: Survey of TV22 ownership

OK Paul. I'll be going through all the later posts in due course when errors like this will be put right.

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Old 15th Jul 2022, 8:37 pm   #63
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Default Re: Survey of TV22 ownership

Quote:
Originally Posted by Andy - G8MNM View Post
Helder,How do you identify a TV22A?

Andy
Complementing John's detailed description, you don't even have to open the back cover to look inside as the TV22A's cover is quite different from that of all other TV22s - it features the bowler hat thing and also the text 'Type TV22A', as shown in the photo below (from eBay, and a set actually restored by Panrock several years ago)
- Helder
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Old 15th Jul 2022, 10:06 pm   #64
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Default Re: Survey of TV22 ownership

Perhaps another question to ask would be how many forum members do not own a TV22. Many years ago when I first spotted mine looking lost and forlorn at Audiojumble it just seemed to be the next must-have exhibit for my collection and because it sported the quirky TC184 Band III converter it just oozed TV history. With hindsight I should have realised that because of its Band III converter the set hadn’t been pensioned off in the mid 50’s but had endured a long service life until the tube expired. So after a full and thorough restoration I have a set that can just about be viewed on the darkest of nights. While diagnosing the problem I connected the TV22 chassis to the CRT and scan coils of a 14 inch Pye PTV that was awaiting restoration and got a decent picture which taught me the importance of achieving “first light” before proceeding too far with the restoration. It also spurred me on to restore the PTV and shelve the TV22 until a suitable tube turns up.

The other lesson I learned for the future was to ignore all those who tell you to remove the pitch over the EHT winding. That pitch may be a moisture trap but it also provides mechanical strength. Without it the EHT winding can move on its former fracturing the wire at the start of the winding. Mike Barker made an excellent job of rewinding it replacing the Paxolin former, laminations, etc. in fact everything except the cardboard box I sent it in was new.

Anyway, in answer to the original question it’s a late MkII with a PL81 Line Output valve, the B9A socket being fitted into a metal adapter ring riveted over the octal sized hole.

Len
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Old 18th Jul 2022, 1:02 pm   #65
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Default Re: Survey of TV22 ownership

Quote:
Originally Posted by Andy - G8MNM View Post
& TV62
It looks like Edd China has got an example of one upstairs in his workshop, as seen in one of his latest videos (if it's not, it's a similar model), seen at the back on the left hand side up on a shelf. On the far right it looks like an old scope of some sort. Scroll through to around 31.50 for the start of the 'Ask Edd' slot to see the TV - link below:-
https://www.youtube.com/watch?v=1MlD...annel=EddChina
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Old 18th Jul 2022, 2:51 pm   #66
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Default Re: Survey of TV22 ownership

Looks like a TV62 on the left. The scope looks a bit like an HP 180. The Y amp looks like 1805A and the timebase an 1820C.

Peter.
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Old 18th Jul 2022, 3:18 pm   #67
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Default Re: Survey of TV22 ownership

I thought it was a TV62, hence quoting Andy's previous post where he mentions one and shows a picture of it, although he's labelled his picture TV32, I guess by mistake.

I've got an HP 180 scope, but mine is the 'upright' version, so didn't recognise it.
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Old 18th Jul 2022, 4:20 pm   #68
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Default Re: Survey of TV22 ownership

One TV22 MkI here to be added. S/N 83/36581. Restored and working but with an intermittent loss of line o/p that I haven't got to the bottom of. Probably down to the LOPT.
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Old 18th Jul 2022, 4:41 pm   #69
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Default Re: Survey of TV22 ownership

Thank you, all.

We're still waiting for anybody to own up to having a TV22A. Yet there are 8 on the poll bar chart!

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Old 18th Jul 2022, 6:02 pm   #70
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Default Re: Survey of TV22 ownership

Only just spotted your poll so added my TV22 Mk1 (albeit with TV24 RF/IF deck grafted in by a PO). It worked happily for about 10 hours at our open village event in June. Found a nice dark corner for it and it generated a lot of interest with vintage clips downloaded from Youtube. Driven from a PC using Modelines and ex-Rediffusion modulator cards.


Keith - G3XGW (just down the road from you Steve!)
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Old 18th Jul 2022, 7:51 pm   #71
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Default Re: Survey of TV22 ownership

Just adding the serial number of my 1952 TV22 Mk.2 : it's 124/03411
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Old 18th Jul 2022, 8:22 pm   #72
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Default Re: Survey of TV22 ownership

Just to add another TV62, S/N 216/01189. The set is fully working, and has had a replacement cabinet, as the original had a big crack in the top. I also still have the old cabinet! Got the set in 2004 from the NVCF when it was at the NEC!

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Old 18th Jul 2022, 11:18 pm   #73
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Default Re: Survey of TV22 ownership

Quote:
Originally Posted by Dickie View Post
One TV22 MkI here to be added. S/N 83/36581. Restored and working but with an intermittent loss of line o/p that I haven't got to the bottom of. Probably down to the LOPT.
A worn PZ30 with intermittent internal shorts in the efficiency diode can give similar symptoms. I would try another PZ30 prior to anything else.
- Helder
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Old 22nd Jul 2022, 11:51 am   #74
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Default Re: Survey of TV22 ownership

Also adding serial number of my TV22 Mk1 (with TV24 RF/IF): 83/36427
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Old 22nd Jul 2022, 1:24 pm   #75
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Default Re: Survey of TV22 ownership

Keep the details coming.

Still no sign of the 'missing' TV22A's.

Steve
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Old 22nd Jul 2022, 1:54 pm   #76
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Default Re: Survey of TV22 ownership

I wonder what sales of the 'A' were like, could it be that by the time it was released 9" was starting to seem rather small? Bit like anything under 32" these days!
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Old 22nd Jul 2022, 2:57 pm   #77
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Default Re: Survey of TV22 ownership

Have just added my TV22 MkII s/n 124/11499. Restored a couple of years back.

Working well with a Hedghog and Bush Freeview box.
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Old 27th Jul 2022, 5:40 pm   #78
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Default Re: Survey of TV22 ownership

Here are the results so far, with updated table attached. Model Type first, then Quantity. The 'poll' figures are added in brackets, for comparison.

It is clear the TV22 Mk I is the most common type remaining.

It would be interesting to know about any other examples that may be at the Dulwich Museum.


TV12A ...4
TV12AM ...2
TV12B ...6
TVF12A ...1

Total all TV12: ...13 {poll = 10}


Total TV22 Mk I ...20 {poll = 27)

Total TV22 Mk II ...16 {poll = 20}

TV22 (not decl.) ...3

TV22A ...1 {poll = 8}

TV22U ...1

Total all TV22: ...41


Total TV32 ...3

Total TV62 ...11



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Old 27th Jul 2022, 6:59 pm   #79
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Default Re: Survey of TV22 ownership

If you want to add notes to my TV22 83/13859, I would say it's in "good unrestored condition".

Looks like it's been dry stored, getting it working will be a future project.
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Old 27th Jul 2022, 8:18 pm   #80
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TV22 83/26770 - restored with first light but faulty frame blocking transformer
TV62 - restored and working but had wrong tube (AW36-80) now replaced
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