221/Repairs: Difference between revisions

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(Common Problems)
The 221 has a switching power supply. It has
The 221 has a switching power supply. It has
a transformer couple trigger circuit which produces
a transformer couple trigger circuit which produces

Revision as of 16:00, 14 May 2020

(Common Problems)

The 221 has a switching power supply. It has a transformer couple trigger circuit which produces a Dc level base trigger.It gets fried when the batter gets so old they draw to much current

Regularly the T633 Transformer is the problem on almost all of them