[TechAssist] Re: Emerson TC1972 dead

Adam D124 is a 12v , 5w zener it has caused this problem
before.............Charlie

Charles Belich
Slidewire Electronics
MN seashell@xxxxxxxxxx

----- Original Message -----
From: "TechAssist Admin." <techassist@xxxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, July 29, 2001 4:30 AM
Subject: [TechAssist] Emerson TC1972 dead


>
>
> i have an emerson tc1972 dead set, no relay click. checked
> standby voltage, looks ok, if i short relay transistor high
> voltage comes
> up normally, but processor ic doesnt start do anything, the
> 'on' pulse from
> ic101 never changes states to q104 to turn the thbing on,
> power button
> changes when pressed, is ic101 bad? i have no documentation
> for this tv, or
> the chip.
>
> also, i am interested to share schematics, where do you guys
> keep them, are
> they downloadable, pdf type? my experience lies in industrial
> electronics
> as well as consumer, i spent 5 years repairing pc cards,
> drivers, and plcs,
> all with no schematics, except what we created using orcad
> and data sheets.
> most of my consumer experience is in audio and vcrs, i
> recently opend a
> shop in my hometown where there is no repair place for 40-50
> miles around.
> so i am trying to help my community i suppose, so i am pretty
> well working
> on most anything that has a wire attached to it these days.
> if you guys can help me, many thanks! and if i can help i
> will try as well.
> adamt123@xxxxxxxxxxx
> adam
>
>
>
> // eompost 3B630458:3A1B.1:grpunffvfg
>
>
>
>
>
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