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nuvistors
https://www.ebay.co.uk/itm/Tektronix-157-0121-00-RCA-7586-nuvistor-NEW-Loc-BB5-04-04/233165715778?hash=item3649c27942:g:ByMAAOSwtOZciPxZ
https://www.ebay.co.uk/itm/Tektronix-157-0121-00-RCA-7586-nuvistor-NEW-Loc-BB5-04-04/233165715778?hash=item3649c27942:g:ByMAAOSwtOZciPxZ
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quadzillatech@...
· #161706
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vintageTEK scanned transformer drawings for 120-0998-01 and up
is the 453a-1 transfo the same,ie the one in the hv compartment?,as mine is stuffed!,cheers Paul m3-vuv.
is the 453a-1 transfo the same,ie the one in the hv compartment?,as mine is stuffed!,cheers Paul m3-vuv.
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quadzillatech@...
· #161507
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Tek 453A-1
well looks like ive wasted my time posting here so far !!
well looks like ive wasted my time posting here so far !!
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quadzillatech@...
· #161245
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Tek 453A-1
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
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
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quadzillatech@...
· #161242
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453a-1 no trace
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 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
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quadzillatech@...
· #160732
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453a-1 no trace
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?
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?
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quadzillatech@...
· #160697
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453a-1 poor astig and focus.
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 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.
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quadzillatech@...
· #160692
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453a-1 no trace
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
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
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quadzillatech@...
· #160691
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