No Radio signal or white noise?

[LanceReed]

Hi all,
My PYE valve radio was restored back in 2013, worked well for a few years, but then one day, I switched it on and there was power but no signal what so ever?
So then I left it thought it was broke, then I switched it on a few months ago, then it was working But then after a hour, no signal what so ever. I have sprayed the switches with switch cleaner, but still nothing?
I wish there was someone who lived closer to come and have a look at it?
Any ideas most welcomed?

[Simon Gittins]

It's going to need some logical fault finding. If you let us know what the model number written on the back is that would help.

You could also post a request for someone local to take a look in this section:
Repair and Restoration Services Wanted
https://www.vintage-radio.net/forum/...play.php?f=145

[LanceReed]

Thanks Simon
Here some pictures of the back of the radio and model, I can hear the valves humming when they get warm, the only thing I can think of is I had a wire going into the antenna at the back for the SW Band, that used to crackle if moved, but then it went silent when all signals was lost??

Thanks for the suggestion for the wanted thread, I will post there.

[Simon Gittins]

As this has pickup sockets and a Gram position, the first step would be to see if this still works.

However, let's hope that someone replies to the wanted thread first.

[Stuart R]

There's not a complete picture, but the photo suggests the set's internal loudspeaker is connected to the chassis by a brown/black cable and those two red banana plugs.

Has the contact of the red plugs just become poor? Try giving those a wiggle with the set at low volume and see if the speaker crackles and starts to hum.

Go carefully if the set has no protective back panel, there are potentially lethal voltages present inside the cabinet and also on that black (diagonal) voltage selector plug just to the right.


SR

[LanceReed]

Just give the those red banana plugs a wiggle, I can hear a low hum but no crackle coming from the speaker?

[HamishBoxer]

You do have a decent aerial for AM I trust? Or I could be wrong and it uses a frame aerial.

[LanceReed]

I had great reception before, I think its a frame aerial?
It's just a mystery
And there's no one local to check it over for me.

[Freya]

Has the tone corrector capacitor C31 (photo 3) mounted on the output transformer been replaced? Could have been missed.
If it went short it may take out the output transformer and all would be quiet.

[LanceReed]

Hi Stephen,
Thanks for the info, That's an option that we can explore,
Much appreciated,
Lance