Re: GVC M1566P monitor pulsing power supply.

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#1070

From: Rudolf Ladyzhenskii
Date: Mon, 18 Mar 2002 22:07

21 lines
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Check horizontal circuitry.

Rudolf

"Alan Liefting" <aliefting@ihug.co.nz> wrote in message
news:3C965925.4A3EA9E4@ihug.co.nz...
> Hello All,
>
> I have the above monitor which is pulsing.  The power supply is coming
> up and shutting down a couple of times per second.  It is definitely a
> power supply fault.  Voltage control is done on primary.  Disconnected
> optocoupler which is for power supply standby.  Still no difference.
> Replaced control capacitor.  No difference.  Replaced opto and UC3842
> control ic.  Still no difference.  Replaced a capacitor in an obscure
> bit of circuitry and came right.  Monitor then failed on test!
>
> FCC ID DK4M1566
>
> HELP??!!
>
> Alan Liefting

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From: "Rudolf Ladyzhenskii" <rudolf.ladyzhenskii@adcomtech.net>
Newsgroups: sci.electronics.repair,aus.electronics
References: <3C965925.4A3EA9E4@ihug.co.nz>
Subject: Re: GVC M1566P monitor pulsing power supply.
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