Emax

This can happen where the IC's (sometimes specifically the EPROM) becomes
unseated.
Reseat the IC's on the logic board.
While disconnecting the display connector you may have flexed the board...

Thx,
Ted


On Mon, Dec 3, 2012 at 1:13 PM, Chase Smith <plus_321@...> wrote:

> **
>
>
> Thanks for the help, but I can't find it.  There is something right from
> pin 2 that is unlabeled and has no continuity, but I'm not sure if it's a
> fuse.
>
> Anyway, even so, I unsoldered the display to be able to look for the
> fuse.  I decided to just put the old display in and while soldering noticed
> nearly all the pads were lifted.  I tried to hook it up anyway, just to see
> if I could get it to work and I just get one row of black boxes with a line
> through it and a lit enter LED.
>
> I know I can jump all the display lines and fix that, but I don't know if
> there's a bigger problem, which judging from the way my day is going, I'm
> almost certain of it.
>
> I checked continuity on the old display that's in there, every pin is
> connected, but when I power up the emax I get a blank screen with black
> boxes on the top.  Seems like I just turned it into a paper weight.
>
> ________________________________
> From: jammie <jammie.emma@...>
> To: emax@yahoogroups.com
> Sent: Monday, December 3, 2012 3:34 PM
>
> Subject: Re: [emax] Display not working
>
>
>
> they are usually 1k1 written on them they are flat squares
>
> if you look closely they will have fuse1 written in very small writing
>
> pin 2 on the display will go to the fuse first so follow the track for pin
> 2
> ----- Original Message -----
> From: Chase Smith
> To: emax@yahoogroups.com
> Sent: Monday, December 03, 2012 7:49 PM
> Subject: Re: [emax] Display not working
>
> Power supply is putting out the right voltage. It could have been the 5v.
> How can I find out which is the fuse on the display? Nothing is labeled as
> a fuse.
>
> ------------------------------
> On Mon, Dec 3, 2012 2:26 PM EST Ted Summers wrote:
>
> >The OLED doesn't use 12V at all.
> >Verify your power supply is outputting the correct voltages, the
> >investigate further like jammie said.
> >There is often some Surface mount fuse on lots of things.
> >
> >
> >On Mon, Dec 3, 2012 at 10:50 AM, Chase Smith <plus_321@...> wrote:
> >
> >> **
> >>
> >>
> >> Hi,
> >>
> >> After frying one cf card reader, I was careful to try to measure the
> >> voltages on the new one I was just about to put it. Probe slipped and I
> >> shorted the 12v to ground and now the new white OLED display is not
> coming
> >> on. The emax powers up and the zip drive will run (the enter LED comes
> up
> >> and stays lit), but that's it. Fuses are still fine.
> >>
> >> Did I fry the display too?
> >>
> >> [Non-text portions of this message have been removed]
> >>
> >>
> >>
> >
> >
> >[Non-text portions of this message have been removed]
> >
> >
> >
> >------------------------------------
> >
> >Emax and Emax II User's Group Website
> >
> >http://www.silveriafamily.comYahoo! Groups Links
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
> [Non-text portions of this message have been removed]
>
>  
>


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