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221/Repairs: Difference between revisions
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Failed C714
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=Common Problems= | |||
==Failing PSU== | |||
The 221 has a switching power supply. It has | The 221 has a switching power supply. It has | ||
a transformer coupled trigger circuit which produces | a transformer coupled trigger circuit which produces | ||
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is the thing to fail.<br> | is the thing to fail.<br> | ||
==Failed capacitors== | |||
[https://www.youtube.com/@justanotherelectronicsblog5490/videos justanotherelectronicsblog@YouTube] found C714 short when [https://www.youtube.com/watch?v=bZ6agALKXjs fixing his 221] | |||
[[Category:Instrument repair reports]] | [[Category:Instrument repair reports]] | ||