UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Tonesta Conquest No Audio

Exasperant · 4th Dec 2019, 5:21 am

Hi

I'm trying to teach myself how to repair interesting things (and make really uninteresting unfunny videos whilst doing so - That's less of a try, more of a sad reflection). I picked up a "Tonesta Conquet automatic" that was sold as "Turns, but no sound, loose wire".

Having opened it up, I can see a PCB with no valves, and two what I assume to be transistors for the audio.

I can also see two white wires coming from the transformer. One goes to the negative leg of a radial capacitor, the other goes... Into mid air.

I'm guessing the lack of audio is due to lack of power going into the PCB, but I can't tell for certain where the wire should go. There is a diode on the corner of the PCB that seems to have no tracks, wires, etc feeding into it.

PCB is marked "LE-2"

I'm tempted to solder the hanging wire to the otherwise pointless diode, but am worried I could blow something up. Has anyone got a schematic, or maybe photo of this board all wired up?

Thanks!

4th Dec 2019, 5:21 am	#1
Exasperant Diode Join Date: Dec 2019 Location: Poole, Dorset, UK. Posts: 9	Tonesta Conquest No Audio - Loose Wire Hi I'm trying to teach myself how to repair interesting things (and make really uninteresting unfunny videos whilst doing so - That's less of a try, more of a sad reflection). I picked up a "Tonesta Conquet automatic" that was sold as "Turns, but no sound, loose wire". Having opened it up, I can see a PCB with no valves, and two what I assume to be transistors for the audio. I can also see two white wires coming from the transformer. One goes to the negative leg of a radial capacitor, the other goes... Into mid air. I'm guessing the lack of audio is due to lack of power going into the PCB, but I can't tell for certain where the wire should go. There is a diode on the corner of the PCB that seems to have no tracks, wires, etc feeding into it. PCB is marked "LE-2" I'm tempted to solder the hanging wire to the otherwise pointless diode, but am worried I could blow something up. Has anyone got a schematic, or maybe photo of this board all wired up? Thanks!