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585/Repairs: Difference between revisions
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==HV low and trace invisible== | ==HV low and trace invisible== | ||
:'''Symptom:''' No trace, HV low despite maximum setting | :'''Symptom:''' No trace, HV low despite maximum setting | ||
:'''Root cause:''' HV [[Bumble Bee capacitors|PIO "Bumble Bee" capacitors]] leaky (~180 μA at 2 kV) | :'''Root cause:''' HV [[Bumble Bee capacitors|PIO "Bumble Bee" capacitors]] leaky (~180 μA at 2 kV); no trace because CRT grid too negative wrt. cathode | ||
:'''Solution:''' Replace caps | :'''Solution:''' Replace caps | ||
:<gallery> | :<gallery> | ||