🚀 go-pugleaf

Thanks for the prompt reply Jerry.  The power supply output is stable
and there is no ripple on the output.  This rules out the power supply.

Alan Liefting


"Jerry G." wrote:
> 
> Check for caps with high ESR in the power supply and especially the
> horiz scan and HV sections.  You must either do the ESR test on the
> caps, or sub them to test them.  A standard cap meter will not do the
> job.
> 
> --
> 
> Greetings,
> 
> Jerry Greenberg        GLG Technologies GLG
> ==============================================
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> Electronics        http://www.zoom-one.com/electron.htm
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> ==============================================
> "Alan Liefting" <aliefting@ihug.co.nz> wrote in message
> news:3CBF366B.18BBD04@ihug.co.nz...
> Replace line o/p transistor and series fuse (used 1 ohm resistor).  Now
> have a picture but from after about 3 seconds after turnon get a noise
> bar travelling up the screen and the whole picture will flash on and off
> at about a 1 second period.
> 
> Managed to substitute the micro and EEPROM into another good monitor.
> They worked fine.  The micro is putting out a video mute signal at a
> guess.  5 volts is good at the micro.  The incoming sync is at the right
> level.
> 
> Any ideas?
> 
> Alan Liefting