Hi Grizewald,
Thanks for the help, I'm going to need it
![ThumbsUp :-+](https://www.eevblog.com/forum/Smileys/default/icon_smile_thumbsup.gif)
Yes, I think they are the earlier PCBs.
Pin 1 of IC315 is seeing a 1.5khz pulse train - going low for about 50ns so 315 should be getting reset.
Also I only see Q1 (pin 2 and 4) go high and pin10 never goes high.
Pin 15 (Glug dead signal of the HH63B21) is low.
So that possibly leaves a problem with the Glug Dead input bit (pin 15) on the PIA being faulty?
AHHHHHH !
Just before sending this post, I was checking that all the buttons on the front panel worked....which they do.
Did reset and it says self test passed, 7061 Initialised with no Glug Death displayed
![Clapping :clap:](https://www.eevblog.com/forum/Smileys/default/clap.gif)
Turning the meter off and back on again shows Glug Death but clears with a front keyboard reset.
Quick check and :-
DC V are working at least up to 20v
Ohms - a 10k resistor on the 10000 range reads 9.903 KOhm
the same 10k resistor on the 1000 range reads 0.003,6 KOhm so something looks a bit screwy there.
Possibly someone has mucked about with the calibration???
So at least 2 steps forward.
edit: RTFM !
![Face Palm :palm:](https://www.eevblog.com/forum/Smileys/default/facepalm.gif)
Need 4 wires connected for ohms measurement.
Which results in some sensible readings :-)
Looking much better.
Now if I could work out what's causing the Glug Death on startup?