[Techtoolslist] Fluke 9010a no display

[Robert Robert]

Thanks for the help is apreciated i figured it out there was 2 issues the u62 was bad and one ram chip was bad also and the fluke i used with z80 pod didnt pick up the error when it was doing the short ram test so i figured they were good i changed u62 and one ram chip and its booting now thanks for the help its apreciated 

Sent from my iPhone

> On Oct 22, 2017, at 9:19 PM, tonyhtbsusa <tony at htbsusa.com> wrote:
> 
> I had one do the same thing 
> Power supply cables were loose
> Unplug and plug back in cables
> You will find the bad one
> 
> Tony
> 
> 
> -----Original Message-----
> From: Techtoolslist [mailto:techtoolslist-bounces at flippers.com] On Behalf Of
> Robert Robert via Techtoolslist
> Sent: Sunday, October 22, 2017 1:49 PM
> To: techtoolslist at flippers.com
> Cc: Robert Robert
> Subject: [Techtoolslist] Fluke 9010a no display
> 
> Hi can anyone help me with and issue i have with my fluke 9010a when i power
> it up theres no display showing and it beeps once and at power up then goes
> silent for a few seconds then starts beeping non stop like its trying to
> reboot i have swaped a my keyboard and display into a working fluke 90101a
> and it works good my issue is in the main control board i am following the
> trouble shooting procedure and i got to this problem i tryed to troubleshoot
> the watchdog reset circuit and when i use the probe in sync-free-run pulse
> low mode momentarily connect the probe tip to u31 pin 4 of the uut i get a
> beep but no display message shows up nothing its supossed to show a message
> fluke 9000 power up ok ver 3a i did check all grounds and power at the check
> points and did check the ribbon cable between the display keyboard and main
> control baord its all good something seems to be blocking the display from
> going on the watchdog chip has been changed and no luck does anyone have any
> ideas let me k  now thanks
> 
> Sent from my iPhone
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