Quote:
Originally Posted by DMcMahon
Looks like heat damage to the cable insulation from soldering iron, so should be OK. If the ECC 82 is just for the oscillator, then even if it had a fault would not expect it to affect playback volume.
Have you checked the EZ 80 HT voltage yet ? If OK then check the valve electrode voltages and see how they compare to schematic values, mainly anode, cathode and G2. Also should not expect to see much if any +ve DC voltage at the Control grids G1, unless previous valve anode to grid coupling capacitor is passing DC/leaking.
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I havent had a chance to check all the voltages yet but i'll certainly give that a go. I did have a spare EZ80 valve so I swapped them over to see if there was any difference and didnt have much luck.