[TechAssist] Re: Sony Unusual Shutdown SOLVED!

i use only new parts unless it's an emergency and i know how people get
around the holidays, so i thought you had an emergency

Bil Green wrote:

> Thanks, I didn't think to check those.
>
> Do honest techs actually use used chips?  What can you say
> to the customer? (when in a pinch in the past I would just
> not charge for any small used part).
>
> Well, I don't feel too bad this time since this CTC185 has
> only seen a few days of use.
>
> Bil
>
> ----- Original Message -----
> From: "Ralph Dorsey" <Merlin-Wizard@xxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, November 22, 2001 12:42 PM
> Subject: [TechAssist] Re: Sony Unusual Shutdown SOLVED!
>
> >
> > tda7142 used in rca ctc 175-187,,,you probably have one on
> your junk
> > pile
> >
> > Bil Green wrote:
> >
> > > Well, I didn't think that there was such a thing as No
> Vert
> > > Deflection with a fully lit screen.  This one really had
> me
> > > stumped.  Thanks to Dennis I checked the vert output and
> > > sure enough the chip was leaking that black stuff (what
> is
> > > that?).
> > >
> > > Thanks to Charlie for all those prints and the Sony
> error
> > > codes that pointed to the 4 flashes this one was
> > > displaying - Indicates No Vert.  Would have helped if
> Sony
> > > tech support would have told me this ($3 per minute).
> > >
> > > Don't have a TDA8172, but I am confident that will fix
> the
> > > set.
> > >
> > > Bil
> > >
> > > Sony KV27S42
> > > 1999 model
> > > Turns OFF as soon as screen lights up (then red LED
> blinks)
> > >
> > > The screen lights up rainbow colored (no video or snow)
> with
> > > the colors running up from the bottom (CRT tests o.k.)
> > >
> > > Very bright, but no retrace lines
> > > The CRT screen and cathodes voltages are normal
> > > HV is o.k.
> > > Focus Voltage is 8KV
> > >
> > > Disconnecting both the HV lead and the CRT socket - No
> help
> > > (still turns off and red LED keeps blinking)
> > >
> > > I replaced the flyback as recommended by someone who had
> > > similar problems with several Sony's, also the RGB
> output
> > > chip - No help
> > >
> > > Bil
> > >
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