[TechAssist] Re: testing
- From: Jerry Wilkinson <scotvrpr@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 15 Dec 2005 07:50:24 -0800 (PST)
the cap that is off cr14107 fails, will lower 16v
supply to 10 or 14v and set wont start i have had 6 or
7 of these,
Jerry Wilkinson
Scotty's TV Service
Livonia Mi 48152
--- Bruce Tiedeman <btied@xxxxxxxxxxxx> wrote:
> Charles looking at the print you should have 16 volt
> supply voltage at the
> cathode of diode CR14107 this supplies the input
> voltage to U14701 to make
> it run. If the" power supply is working", the
> voltage should be there. This
> will then develop the 5volt (pin7) and
> 12volts(pin12) on U14701. Looks like
> the 12 volts powers the jungle at( pin 20).
> hope this helps,
> Bruce.
>
>
> ----- Original Message -----
> From: "repair11" <repair11@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, December 13, 2005 8:22 PM
> Subject: [TechAssist] Re: testing
>
>
> > Sorry to take so long to reply Bruce, but my front
> counter computer which
> > has cust info, got fried during a power co
> incident(only one not
> > protected),I tried for a day and a half, but hd,
> ps, and mb were damaged,
> > I
> > had back up files but I had no backup pc ready,
> after getting one running,
> > I
> > discovered I had lost install disk to my hp all in
> one and download from
> > from hp site would install in any of my pcs,So I
> e-mailed hp and they are
> > sending me the disk and I am buying an el cheapo
> to print tickets for the
> > next few days. ANYWAY, back to the 195, I have
> been working from the RCA
> > print and flow chart, That is where I am confused,
> Flowchart says if no
> > vcc
> > on 3 and 20 of jungle repair power supply source,
> but dual reg U14701
> > shows
> > to be the source but it is a switched reg. So,does
> this have a stby vcc to
> > jungle, becauce I cannot get stby v any whre on
> jungle,thanks for your
> > reply.
> >
> >
> >
> > Charles Betzler
> > Best Electronics
> > repair11@xxxxxxx
> >
> >
> > ----- Original Message -----
> > From: "Dan Williams" <wizhd@xxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Tuesday, December 13, 2005 12:27 PM
> > Subject: [TechAssist] testing
> >
> >
> >> Just testing!
> >> Dan W
> >> Wizard Electronics
> >> wizhd@xxxxxxxxxxxxxxxx
> >>
>
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