thanks for the heads up!
although i make recreations of vintage guitar tube amplifiers it never
occurred to me to pop open a monitor and look for bad caps
the number one problem with vintage tube amps are the electrolytic caps
in the power filter section. the electrolyte drys up (or oozes out) and
starts leaking DC into the AC section of the circuit.
i have one out in my shop right now that i'm gonna open up tonight!
On 5/7/2013 2:05 PM, Robert Frailey wrote:
Dont throw away those flat screens when they die.
I fixed one today, 30 minutes and 5 capacitors on the output power
supply.
They seem to be made with under rated caps. So far since last year
i've fixed 9 flat screen monitors, all capacitors in the output power
supply.
I've change the caps but up'd the rated voltage on each so if it 470uf
10v, i put in a 470uf at 25v.
Easier than fixing tube monitors, takes about 30 minutes. Nice side
job in the future, everyone will have a couple.
Robert
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