Marshall PA20 1970 Repair.. she was dead..

Ready to open up as no sound at all from her..Ready to open up as no sound at all from her..DSC_1777DSC_1778DSC_1779DSC_1780DSC_1781DSC_17823rd May 1970!3rd May 1970!one EL84 socket changed at some timeone EL84 socket changed at some timeneat I can only see one changed components (and that one turned out to be the one that had failed!)neat I can only see one changed components (and that one turned out to be the one that had failed!) DSC_1787looks like this one has leaked a bit.. but still working...looks like this one has leaked a bit.. but still working…Here is the culprit.. 1K resistor gone open circuit.. should have been a 750 Ohm 5 Watt not a 1K 2 Watt... previous incorrect repair me thinks..Here is the culprit.. 1K resistor gone open circuit.. should have been a 750 Ohm 5 Watt not a 1K 2 Watt… previous incorrect repair me thinks..I used 2x 1.5K 3 Watts in parallel making up a 750 Ohm 6 Watt resistor. This will not fail!I used 2x 1.5K 3 Watts in parallel making up a 750 Ohm 6 Watt resistor. This will not fail!All good ready to go back in case!All good ready to go back in case!

Leave a Reply

Your email address will not be published. Required fields are marked *

* Copy This Password *

* Type Or Paste Password Here *