jcdaze

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jcdaze
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Forum Replies Created

RE: 1974 HMV 2726 Coloumaster; Thorn 4000

You've got good eyes Lloyd! Pages 7 and 8 of the circuit description book, that I uploaded, has a bit more details about TF303. The good news is that the 3 spare boards that I've got do have the thick...

In forum Colour Television

7 months ago
RE: 1974 HMV 2726 Coloumaster; Thorn 4000

I like them Vic hallam pictures with the Thames Trader lorry. The tripler looks like a Remo replacement as the origainal ones were all Mullard black ones I think. The Remo tripler is thicker than the ...

In forum Colour Television

7 months ago
RE: 1974 20" Ferguson 3C03; Thorn 4000 ; Super Rare

That board does look to be in good untouched condition.

In forum Colour Television

7 months ago
RE: 1975 HMV 2726 Coloumaster; Thorn 4000

@crustytv All is not lost as I have a spare frame board. I mentioned it in earlier post. Just want to visually check the one in the set I've got before letting it go.

In forum Colour Television

8 months ago
RE: Servicing The FireBall Tuner

I must admit that apart from cleaning the contacts on them that I never had to do any fault finding. To clean them, once the cover was removed and the retaining nut removed it was easy to clean the sp...

In forum General Technical Discussion

8 months ago
RE: 1974 HMV 2726 Coloumaster; Thorn 4000

I,m really glad that you've gone and got that one, looks in good condition,cabinet wise anyway. I've got quite a lot of info as regards circuit modifications and also as a spare frame board apart from...

In forum Colour Television

8 months ago
RE: Servicing The FireBall Tuner

Attachment : A98CA783-CFE7-4CB9-9E45-EE54A1D63F20.jpeg Attachment : B96D3EF8-9497-44ED-8D11-4517D05298BD.jpeg Attachment : F6D62BD8-9A68-4FE1-ADAC-8B94FCE8C6BF.jpeg Attachment : ...

In forum General Technical Discussion

8 months ago
RE: Thorn Rentals CRT tester/rejuvenator kit.

@jayceebee Good old Pat Pending.

In forum In The Workshop

8 months ago
RE: Thorn Rentals CRT tester/rejuvenator kit.

I have got a copy of the T.T.R. book containing the circuit and components and usage of the tester/rejuvenator. I will scan and upload it soon, it's contains about 30 pages. I never could chuck things...

In forum In The Workshop

8 months ago
RE: THOMSON Television & Video; Brochure

@crustytv I going to guess that the brochure is from 1984/5 only because the VHS C camcorder looks like a clone of the JVC GR-C1 which featured in Back to the future (1984). The VHS machines also look...

In forum Trade Talk

8 months ago
RE: The Thorn 4000 Thread

@crustytv Maybe it will help you obtain the one your after knowing that it isn't the only one. I didn't know that they were that rare until reading past posts on here.

In forum General Technical Discussion

9 months ago
RE: The Thorn 4000 Thread

Attachment : IMG_3167.JPG Attachment : IMG_3166.JPG Attachment : IMG_3169.JPG I've got 3 spare line/power boards (all minus the tripler) for the Thorn 4k and I've been meaning to ta...

In forum General Technical Discussion

9 months ago
RE: Thyristors

Donberg list a RCA 1802 Salora thyristor, can't find any specs for it though.

In forum General Technical Discussion

9 months ago
RE: Thyristors

The 18052 basic specs look similar and seem to be available in UK. Haven't looked in any great detail though.

In forum General Technical Discussion

9 months ago
RE: The Thorn 4000 Thread

@irob2345 I bet those AWA/thorn sets were heavy old lumps. I don't remember seeing different chroma boards but they did have mods along the way. The 4200 had different a different horizontal timebase/...

In forum General Technical Discussion

10 months ago
RE: The Thorn 4000 Thread

@jayceebee Yes the 4200 series had the 12 channel ultrasonic remote TX U703 and RX unit U706 and a lot of the circuit changes were to allow their use. The export models were designated as the 4200 ser...

In forum General Technical Discussion

10 months ago
RE: The Thorn 4000 Thread

@crustytv Simple answer if that I don't know. I can't remember what the E stood for but I will go dig out my old info and see if it contains any clues.

In forum General Technical Discussion

10 months ago
RE: The Thorn 4000 Thread

IC 301 (TCEP100E) was supplied by Plessey and did cause trouble early on by overheating. A clip on heat sink was soon supplied and with suitable heat sink compound became a must do mod for every set e...

In forum General Technical Discussion

10 months ago
RE:Colour Launches in the UK

That is amazing. Wow over fifty years ago Fred taught me a lot. I've sent you a private message.

In forum Trade Talk

10 months ago
RE: 1975 PYE CT-219 “Chelsea” 717 Chassis

@crustytv Had the monitor 75 ohm video input terminator switch been knocked to the on position thereby double terminating the signal by chance?

In forum Colour Television

11 months ago
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