[TechAssist] Re: Mitsubishi,CS20SX!,q505 no need?
- From: "res0nvn4" <kahuna.tvsrc@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 26 Jan 2002 10:21:01 -1000
thanks.
was working with no schematic on this one.
marcello
----- Original Message -----
From: <BOSS1996@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, January 25, 2002 7:28 PM
Subject: [TechAssist] Re: Mitsubishi,CS20SX!,q505 no need?
> In a message dated 1/25/2002 6:04:46 PM Eastern Standard Time,
> kahuna.tvsrc@xxxxxxxxxxx writes:
>
>
> >
> > hello techs,
> >
> > this set came in with shutdown problem.traced the problem to
> > Q505 draining the regulated 9v,
> > off the 29 vdc,secondary voltage,
> > next to the vertical IC
> >
> > i unsoldered this transistors'
> > emitter ,turned the set on,then
> > check linearity vertical size,seems
> > to be ok.
> >
> > the set seems to be normal in every way.
> >
> > what is q505 purpose in life,except to take space?
> >
> > if you have answers please post it,
> > thank you.
> >
> > marcello
> >
>
> It is a shutdown transistor, you probably have leaking caps nearby which
have
> caused the transistor to get leaky.
> Bob
>
>
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