https://www.ebay.co.uk/itm/Tektronix-157-0121-00-RCA-7586-nuvistor-NEW-Loc-BB5-04-04/233165715778?hash=item3649c27942:g:ByMAAOSwtOZciPxZ

is the 453a-1 transfo the same,ie the one in the hv compartment?,as mine is stuffed!,cheers Paul m3-vuv.

well looks like ive wasted my time posting here so far !!

Hi all,ive the above scope,i brought it as faulty with no trace,after some poking around i found a couple of transistors dead on the z axis board along with a few resistors out of spec due to age,i no

well im making sort of progress,when i got the scope q1034 on the z axis board was dead,,i replaced it and it brought up a trace,but something killed the replacement,ive replaced that too but its runn

well i found a couple of transistors dead on the z axis board,ive now a trace but its thick and wont focus properly,any ideas where to look?

Hi folks,ive poor focus on my 453a-1,the hv bias supply is low,any idea where to get new caps for the hv compartment?,cheers Paul m3vuv.

hi folks,ive got a tec 453a-1 to fix,it has no trace,ive looked at the voltages on the psu low votlages board and they seem fine as far as i can tell,all the manuals i seem to get are for a 453 but no