jcdaze

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Forum Replies Created

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

1 week ago
RE: The Thorn 4000 Thread

Attachment : IMG_3167.JPGAttachment : IMG_3166.JPGAttachment : IMG_3169.JPGI'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

1 week ago
RE: Thyristors

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

In forum General Technical Discussion

2 weeks 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

2 weeks 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

1 month 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

1 month 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

1 month 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

1 month 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

1 month 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

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

I don't have a circuit diagram but looking at the symptom and seeing the diagram of the components around IC601 something rings a bell in some distant corner of my brain that C623 caused weird sync pr...

In forum Colour Television

2 months ago
RE: PYE CT200 Doubler

I've got an unused Pinnacle one you can have.

In forum Items for Sale, Wanted, Swaps or F.O.C.

3 months ago
RE: Spanish Thorn 3500 : Inter TVC366

Another picture of the export version of the Thorn 3000 chassis.Attachment : 48C51570-F56E-4E54-9AED-3CAFA532E9C3.jpeg

In forum Colour Television

4 months ago
RE: Spanish Thorn 3500 : Inter TVC366

Attachment : 0BC563B0-CA1A-4812-90A1-97DED1D610B5.jpegAttachment : B4356564-ECEA-47C8-8E9A-08B171A5C6F6.jpeg@crustytv I don’t know Interbrand but I did see the export versions of the ...

In forum Colour Television

4 months ago
RE: Demise of the TV Trade in the U.K and U.S

@nuvistor Questions were asked in The House of Parliament concerning the rise and fall of that factory. If you fancy a bit of a long read you will find it in link provided.THORN COLOUR TELEVISION FACT...

In forum Colour Television

5 months ago
RE: 1973 26" Grundig 5011 "Super-Color"

@crustytv It looks like one those adaptors for sale on German ebay. Buy it now 20 euros.

In forum Colour Television

7 months ago
RE: Calling Philips 2000 experts...

The Grundig description of the DTF system that I scanned is now in the data library in the video section.

In forum Video Recorders, CED, LaserVision, DVD & DTV

8 months ago
RE: Calling Philips 2000 experts...

@vipersan There is a pretty good description on the principles of video 2000 head system in old Grundig circuit description book. The copy I've kept did suffer from me keeping it less than ideal condi...

In forum Video Recorders, CED, LaserVision, DVD & DTV

8 months ago
RE: Philips N1700 ...getting there...but still have issues

@vipersan I've uploaded that fault section of the 1700 manual and Chris has put it in the Philips video section of the data library.

In forum Video Recorders, CED, LaserVision, DVD & DTV

8 months ago
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