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(11-19-2016, 01:57 PM)the picker Wrote: (11-19-2016, 11:51 AM)Phlogiston Wrote: Assuming that all of the capacitors were installed correctly, check the values of all of the resistors in particular a canned-ohm if it has one.
I am not sure what a canned ohm resistor is but I will check the others
It is the voltage divider resistor from which is derived the bias voltages. It is often a wire-wound in a metal sleeve riveted to the chassis for heat dissipation. The wire can burn open but most often the contacts become intermittent.
In most of my recent repairs, I would estimate that 1/2 to 2/3 of all resistors had either failed or were way out of tolerance.
"I just might turn into smoke, but I feel fine"
http://www.russoldradios.com/
(This post was last modified: 11-19-2016, 02:24 PM by Phlogiston.)
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RE: marconi 157 - by Phlogiston - 11-19-2016, 02:22 PM
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