[TechAssist] Re: Sylvania SRT2227W wont stay on
- From: gulftech@xxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 6 Dec 2005 07:30:08 -0600
I'm not sure, but I think SRT designates a set made for Sears. Other
made-for-Sears sets I have seen are not supported by the manufacturer.
Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL 32563
850-934-8324 (Voice) 850-932-0819 (Fax)
On Mon, 5 Dec 2005 18:47:12 -0700 "Shaun" <satguy@xxxxxxxxxxxxx> writes:
> Does anyone know if Sylvania has a schematic for this set?
>
> Shaun
>
> Advanced Electronics
> 224 West Riverview Ave.
> Fort Morgan, CO 80701
> ----- Original Message -----
> From: "Shaun" <satguy@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Saturday, December 03, 2005 3:47 PM
> Subject: [TechAssist] Re: Sylvania SRT2227W wont stay on
>
>
> > Ok, so what is the schematic for this model or how do I find out?
> >
> > Shaun
> >
> > Advanced Electronics
> > 224 West Riverview Ave.
> > Fort Morgan, CO 80701
> > ----- Original Message -----
> > From: "J Silverman" <greentron@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Saturday, December 03, 2005 2:06 PM
> > Subject: [TechAssist] Re: Sylvania SRT2227W wont stay on
> >
> >
> > > With a problem like that you have to monitor the micro power,
> power
> > > safeties, and x-ray inputs to see which circuit group is causing
> the
> > > shutdown. For example, on one tv power safety 2 was low at the
> micro.
> That
> > > power safety monitored the power at several ICs through logic
> diodes.
> > > Checking the voltage at each IC in that group, the voltage at
> the audio
> > amp
> > > was low because the fuse resistor to that chip was open. The
> resistor
> was
> > > open because the IC was shorted. On another tv, the micro 5 volt
> power
> > would
> > > drop to 4 volts when the power button was pressed and trigger
> the micro
> > > reset. The voltage dropped because the power supply current
> limit
> resistor
> > > had increased in value. Without a schematic and monitoring the
> micro
> with
> > a
> > > scope we would never have been able to determine what circuit
> areas were
> > > causing the problem.
> > > Jerry Silverman Greentron Inc
> > > Mail to: greentron@xxxxxxx
> > > 4 Newland Ave Greenville SC
> > > 29609 864 232 3889
> > > ----- Original Message -----
> > > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Saturday, December 03, 2005 2:06 PM
> > > Subject: [TechAssist] Re: Sylvania SRT2227W wont stay on
> > >
> > >
> > > > Replaced the flyback and still tries to come on then shuts
> down, if I
> > keep
> > > > pushing the power button I can see the screen come on with the
> "GAME"
> > word
> > > > at the top but it still shuts down right away. Anyone have any
> other
> > ideas
> > > > on this set?
> > > >
> > > >
> > > > Shaun
> > > >
> > > > Advanced Electronics
> > > > 224 West Riverview Ave.
> > > > Fort Morgan, CO 80701
> > > > ----- Original Message -----
> > > > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > > > To: "tech" <techassist@xxxxxxxxxxxxx>
> > > > Sent: Friday, November 18, 2005 12:42 PM
> > > > Subject: [TechAssist] Sylvania SRT2227W wont stay on
> > > >
> > > >
> > > > > This Sylvania SRT2227W tries to come on with high voltage
> then shut
> > > right
> > > > > down. It will do this every time I push the power button. I
> looked
> in
> > > the
> > > > > archive and found several tips but none helped me with this
> on. It
> has
> > > the
> > > > > flyback LTF00CPXB030 which is different then the one that
> was high
> > > failure
> > > > > rate. Anyone have any other tips before I order and replace
> the
> > flyback.
> > > > > This one also has the small Q571 (C5978) but it checks ok.
> > > > >
> > > > > Shaun
> > > > >
> > > > > Advanced Electronics
> > > > > 224 West Riverview Ave.
> > > > > Fort Morgan, CO 80701
> > > > >
> > > >
> > >
> >
> >
>
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