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@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@flippers.com] On Behalf Of Robert Robert via Techtoolslist Sent: Sunday, October 22, 2017 1:49 PM To: techtoolslist@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
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