fv1609 Posted March 26, 2022 Share Posted March 26, 2022 I don't have the complete EMER section but I hope these few pages may help those trying to fault find. Quote Link to comment Share on other sites More sharing options...
terryb Posted March 26, 2022 Share Posted March 26, 2022 thank you clive. just had a play with the trim pots, but alas made no difference at all, so I have 3 regulators I tried, one is 'all or nothing' the other two are completely dead. thought about swapping the 3 boards around, but its all hard wired. bugger! Quote Link to comment Share on other sites More sharing options...
fv1609 Posted March 26, 2022 Author Share Posted March 26, 2022 I suppose the next thing to do is to check the resistance readings & then the voltage readings specified in the Inspection Standards. Quote Link to comment Share on other sites More sharing options...
andym Posted March 29, 2022 Share Posted March 29, 2022 As I've separately discussed with Terry, these things are a complete nightmare. I have several dead ones so decided to dismantle one a while ago in the hope that it was a failed SCR. I ended up with a mass of assorted screws, bits all over the place and although I could see evidence of overheating (a melted wire) I still couldn't get to half the components I needed to, which are completely buried. As I said to Terry, it's as though they've been designed to be as awkward as possible to repair. Andy Quote Link to comment Share on other sites More sharing options...
fv1609 Posted March 29, 2022 Author Share Posted March 29, 2022 Might be worth seeing if all 8 mods on the mod plate have been done. If any have not been done then investigating the components associated with the later mods might show a weak spot. As all these mods seem to be to do with component failures. 1 Quote Link to comment Share on other sites More sharing options...
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