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Forum 135

CTV Early 80s Toshiba C226B with a neat remote control

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WayneD
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Here's an early 80s (I'm guessing pre-1982 due to "ITV2" rather than Channel 4) Toshiba C226B with a very neat place for the remote control!

Screenshot 20240909 085700
Screenshot 20240909 085712

As far as I can tell the remote points directly at the infrared sensor when it's in the cradle on the front so it'll still work. I say as far as I can tell because:

Screenshot 20240909 091302

Bit of work needed! 

Also, I wasn't sure if this had a Rifa. I certainly couldn't see one. Well there's a very easy way to find out, plug it in and...

Screenshot 20240909 085511

Yes, it definitely had a Rifa! A change of mains smoothing capacitor, a couple of other dodgy looking capacitors as well as a change of underwear and...

Screenshot 20240909 085731

Success! Well not quite, no sync. There seems to be a bit of damp damage. 

Screenshot 20240909 085353
Screenshot 20240909 092125

I can improve it a little adjusting the pot but it won't lock. Still, I suspect it won't take much. I'll see what it's like with teletext once I've sorted the battery damage to the remote.

 
Posted : 09/09/2024 8:23 am
Forum 136
(@irob2345)
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Cool set!

Pye in Oz had a good relationship with Toshiba who supplied their 14" and 18" CTVs from 1974, as well as CRTs and yokes for the T29, T30 and T34 CTVs. Factory visits both ways between Japan and Oz were frequent and ideas exchanged.

I don't know but Pye Oz might well have come up with that remote idea first. They had an IR remote in '75 and a 20" model with a very similar docking remote that drove the TV appeared in '77 with the T34 chassis. The Pye model had a dark plastic slide-up dock door that hid the hole while the remote was out of the set.

 
Posted : 09/09/2024 9:17 am
slidertogrid
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I think this is the chassis used in the Bush T24. Very reliable sets.

 The Toshiba handset was a little fragile, not helped by the fact that it became the set controls when docked, after 10 years or so the remote was often very worn and had usually lost it's battery cover making an otherwise good set look scruffy. We used to stock replacements but ISTR they were expensive.

Your set does seem to have suffered from damp but should be a nice set once sorted.

 

 
Posted : 09/09/2024 9:32 am
WayneD
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The remote control doesn't seem to want to work, even bypassed the corroded battery terminals but nothing. However the infrared receiver doesn't seem to be working either as I tried a couple of universal remote controls and still nothing. A friend suggested that this could be a missing voltage rail that's also affecting the sync.

Was hoping to take this one to Teletext 50 at Cambridge Centre for Computing History but I don't think I'm going to get time to sort it.

Did spot a date code though!

Screenshot 20240910 145933

30 September 1982. So it'll have its 42nd Birthday in a couple of weeks 

 
Posted : 10/09/2024 2:01 pm
slidertogrid
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I don't know if you are aware but you can test the remote for output by pointing it at your phone camera ?  I'm not sure if a universal will work it, when I was in the trade universal handsets didn't work some of the early infra red remote sets but they probably are far more 'universal' now than then?

 
Posted : 10/09/2024 3:12 pm
WayneD
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@slidertogrid yeah, I used to use a camcorder to test remote controls. I remember a TV repair guy I used to know years ago had a "magic mirror" that could show infrared remote control beams, I've no idea how it worked, it seemed to have some special coating.

 
I have a selection of universal remote controls and bizarrely a brand new One For All from B&M will operate my Pye/Philips KT3! Also a Daewoo 8 in 1 which has the biggest list of supported sets I've ever seen:
Screenshot 20240910 215330
 
 
 
Best one however is a 1990s One For All URC-3430 or rebranded as a Total Control. That has Teletext and it too operates the KT3. None of them will operate a TX10 though...
 
Posted : 10/09/2024 8:57 pm
slidertogrid
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@wayned If the KT3 is text it was the first to use the Philips RC5 remote system that went on to cover the rest of the Philips CRT range from there on, certainly the sets that were current while I was in the trade from KT3/K30 txt to the FST range into the late '90s. So a universal set to the RC5 code would work a huge amount of Philips models including the portables and remote non text sets from the K35 on.

Oddly the remote non text KT3/K30 used the previous remote system possibly RC4? They had 12 channel buttons only. Not many (if any) universal handsets would work those. Fortunately repair kits for buttons and foils were available well into the sets old age so providing the handset wasn't missing or totally destroyed it could usually be refurbished. 

We mainly used the Konig replacements as they supplied pattern handsets for most models at a lot less cost than a universal.  ISTR some were as cheap as £6! They also covered a range of less common makes like Luxor and Finlux which was handy from time to time...

Does your handset transmit or do you have a duff handset as well as a possible remote receiver fault on the TV? 

 
Posted : 10/09/2024 11:11 pm
WayneD
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@slidertogrid it's a teletext KT3. Very interesting! 

The remote control from the Toshiba definitely doesn't work. I suspected it when even the red LED wouldn't light up but checked it with my phone.

I have an ex-rental Finlux that someone gave me a while back. It has a CPC replacement remote control.

 
Posted : 11/09/2024 5:04 am
crustytv
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Posted by: @wayned

The remote control from the Toshiba definitely doesn't work. I suspected it when even the red LED wouldn't light up but checked it with my phone.

I had the exact same fault on a Thorn T769 remote, no LED action and no action to TV. I completely dismantled it, then thoroughly cleaned everything, especially under the membrane. Once done it worked perfectly, including LED worth a try.

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Posted : 11/09/2024 7:57 am
WayneD
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@crustytv I'm definitely going to go right through this. There's not much to the remote control anyway so apart from the chip itself there's not much to go wrong.

The battery door was held on with blu-tak so it's certainly been well used.

 
Posted : 12/09/2024 6:28 am
malcscott
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CRT date code 1982.

 

 

 
Posted : 12/09/2024 12:25 pm
WayneD
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@malcscott aha! That would tie in with the date  stamped on the bottom of the case of September 1982.

 
Posted : 12/09/2024 12:49 pm
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