[TechAssist] Re: Gateway Plasma GTW-P42M102 zapped by static from a hot secretary.
- From: greentron@xxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 03 Apr 2004 03:17:59 +0000
Do you measure a low resistance to ground on the sensor output lead? Does the
voltage on that lead go up to 5 (or maybe 3) volts with the sensor removed? Is
there a pull-up resistor?
J Silverman
> Tried a different IR sensor, no help, still just three tenths of a volt
> on the output pin and ity-bitty pulses from the remote. I traced the IR
> path to IC U4 which is an 80 pin surface mount square flatpack, goes to
> pin 80. Number on U4 is 6413079F18 and it is on the board with 2 15 pin
> VGA, 1 9 pin serial and a flat panel monitor connector. Any information
> on where to get the ic or the board?
> Thanks,
> ********************************************************************************
> ***********************************
> Since 1972
> Jim Myers
> Telrad Electronics
> Fort Wayne, Indiana
>
>
> Scott Beebe wrote:
> > Hello Jim,
> > If you take out the IR sensor, then that would rule out the receiver. But
> > it
> sounds like a micro problem to me.
> >
> >
> >
> > Thanx,
> >
> > Scott Beebe
> > Ohm Electronics Inc.
> > 609 W. Clinton St.
> > Ithaca NY 14850
> > Voice: (607) 273-8406
> > Fax: (607) 273-8743
> > WWW.OhmElectronicsInc.com
> > mailto:Scott@xxxxxxxxxxxxxxxxxxxxx
> >
> > Wednesday, March 31, 2004, 3:57:48 PM, you wrote:
> >
> > Jim> Are technical questions still allowed?
> >
> > Jim> This Gateway GTW-P42M102 has a sticker on the inside that says it is a
> > Jim> LG model PDP42WVSN3. The owner says a worker at the office caused a
> > Jim> static spark when she reached for the buttons on the front, now it has
> > Jim> the menu displayed over the picture all the time with the cursor bar
> > Jim> scrolling up over and over. Also the remote no longer works. The wire
> > Jim> from the remote receiver at the connector has three tenths of a volt
> > and
> > Jim> very low amplitude pulses when the remote is activated. The end wire on
> > Jim> this 6 pin connector has 5 volts. Sounds like the micro or the IR
> > Jim> receiver got zapped but if anyone has service manual or information on
> > Jim> this a little help would be nice.
> > Jim> Thanks,
> > Jim>
> ********************************************************************************
> ***********************************
> > Jim> Since 1972
> > Jim> Jim Myers
> > Jim> Telrad Electronics
> > Jim> Fort Wayne, Indiana
> >
> > Jim>
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