Emax

Hi Jammie,

Thanks for the suggestion, however I think the PSU is fine. I read 5.04v on yellow, 12.3v on orange and -11.89v on violet coming off the PSU harness at the CPU PCB.

-Dave

> On Feb 17, 2014, at 8:30, "jammie" <jammie.emma@...> wrote:
> 
> 
> 
> sounds like you have lost the 5v connection
>  
> the lcd uses 5v the cf card reader uses 5v and the floppy uses 5v
>  
> i would check the 5v rail on the psu
> ----- Original Message -----
> From: David Sotnick
> To: emax@yahoogroups.com
> Sent: Monday, February 17, 2014 4:25 PM
> Subject: [emax] Diagnosing non-functional Emax
> 
>  
> Hi all,
> 
> Now it's my turn… I'm sad to report that my beloved Emax SE Rack which I upgraded to SCSI and slim floppy is no longer booting.
> 
> Symptoms are: PSU voltages look good at the drive power connector. All LEDs on the front panel come on at power-on except load and enter. No LCD display and no floppy or CF reader activity. :-(
> 
> I have re-seated all cables but have not yet removed and re-seated any socketed ICs. It has just been sitting in a rack, so nothing has been jostled.
> 
> Any suggestions on where to start?
> 
> -Dave
> 
> p.s. even more frustrating: I missed out on a $60 working Emax SE on a local Craig's list ad which posted the day before I discovered my Emax was dead. :-(
> 
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2014.0.4335 / Virus Database: 3705/7098 - Release Date: 02/16/14
> 
>