[TechAssist] Re: Samsung TV TXG2547

Jeffs suggestion is a good one.  What does it do from the remote?  If
still bad, lift the input pin to the uP from the switch assembly. 
Sometimes leaky caps on the line will cause this.


Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL  32563
850-934-8324 (Voice) 850-932-0819 (Fax)


On Fri, 30 Aug 2002 18:49:51 -0400 "Shoreline Electronics"
<jstielau@xxxxxxxx> writes:
> 
> Not necessarily.....this may use a resistive ladder network for the 
> button
> scheme.  Pressing a button B+ level determined by the resistors & 
> switches
> to trigger proper functions.
> 
> Check for leaky tact switches & out of tolerance resisters in that 
> circuit.
> You may need to pull the tact switches to get an accurate , infinite 
> reading
> for the open switch positions.
> 
> Jeff Stielau
> Shoreline Electronics Repair
> 125 Beech Tree Lane
> Westbrook, CT 06498
> 860-399-1861
> 860-664-3535 (fax)
> jstielau@xxxxxxxx
> ----- Original Message -----
> From: "mitchstv" <mitchstv@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, August 30, 2002 2:54 PM
> Subject: [TechAssist] Samsung TV TXG2547
> 
> 
> >
> > Volume wont go down and when push Volume up set will turn off. Has 
> to be
> > e-prom  Ic 902 or micro Ic 901, cant determine which with out 
> manual .
> > Has anyone else seen this? was going to do the Micro first since it
> > costs more. TIA
> >
> > Mr. Rick E Mitchell
> > Electronics is my middle name !
> > Mitch's Home Elec. Ser. Co.
> > 3935 south 20th
> > Lincoln, NE 68502
> > FAX 402-423-1901
> > 40.50n  96.45w
> > Mitchstv@xxxxxxxxxx
> >
> >
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