[TechAssist] Re: Sony Unusual Shutdown SOLVED!
- From: "Bil Green" <tv.vcrrepair@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 23 Nov 2001 19:22:42 -0800
That's really wierd, I didn't notice the mistake either
(almost seems like the numbers must have changed later!). I
put in the TDA8172 and the Sony is working just fine.
Thanks again!
Bil
----- Original Message -----
From: "Ralph Dorsey" <Merlin-Wizard@xxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, November 23, 2001 3:06 PM
Subject: [TechAssist] Re: Sony Unusual Shutdown SOLVED!
>
> opps i meant tda8172
>
> Ralph Dorsey wrote:
>
> > 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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