I have a STERN 100 MPU on the bench. When I power it up the LED flickers then continues to flash about once per second and doesn't stop. There is no corrosion on this board. Any idea what's wrong?
(Topic ID: 252325)
You're currently viewing posts by Pinsider JethroP.
Click here to go back to viewing the entire thread.
Quoted from barakandl:check the 6810 at U7 and it's IC socket. When that RAM test fails it sometimes makes the CPU reboot giving the never ending flashing symptom.
That was it. Swapped out the U7 from a good board and got a good boot. Thank you.
You're currently viewing posts by Pinsider JethroP.
Click here to go back to viewing the entire thread.
Reply
Wanna join the discussion? Please sign in to reply to this topic.
Hey there! Welcome to Pinside!
Donate to PinsideGreat to see you're enjoying Pinside! Did you know Pinside is able to run without any 3rd-party banners or ads, thanks to the support from our visitors? Please consider a donation to Pinside and get anext to your username to show for it! Or better yet, subscribe to Pinside+!
