Armstrong 626 problem

Paul318UK · 12th February 2010, 06:59 PM

Hi,
I bought a faulty Armstrong 626 off ebay that was described as blowing its 2.5amp supply fuse after a few seconds after turn on. When I got I found the supply and decoupling capacitors leaking and swollen so changed them all as well as the main audio ones on the power amp board.

The unit now stays on with a smooth 61volts PSU feed but still no sound on either channel under any selector condition. Does anyone know these recievers well enough to give me a pointer as I am lost with the very complex wiring setup what feeds what!

Regards, Paul

thefamilybassman · 26th February 2011, 11:26 AM

Hi Paul,

I'm just in the process of giving my Armstrong an overhaul (I've come a cropper with it myself with a burned out resistor on the power board, so maybe not the best person to ask!) but I found this site really useful throughout the overhaul.

The Armstrong 600 Series - Amplifier FAQ and diagrams

12th February 2010, 06:59 PM	#1
Paul318UK diyAudio Member Join Date: Jul 2009	Armstrong 626 problem Hi, I bought a faulty Armstrong 626 off ebay that was described as blowing its 2.5amp supply fuse after a few seconds after turn on. When I got I found the supply and decoupling capacitors leaking and swollen so changed them all as well as the main audio ones on the power amp board. The unit now stays on with a smooth 61volts PSU feed but still no sound on either channel under any selector condition. Does anyone know these recievers well enough to give me a pointer as I am lost with the very complex wiring setup what feeds what! Regards, Paul

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26th February 2011, 11:26 AM	#2
thefamilybassman diyAudio Member Join Date: Feb 2011 Location: Cardiff	Hi Paul, I'm just in the process of giving my Armstrong an overhaul (I've come a cropper with it myself with a burned out resistor on the power board, so maybe not the best person to ask!) but I found this site really useful throughout the overhaul. The Armstrong 600 Series - Amplifier FAQ and diagrams

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