Products > Test Equipment
Metermaster 65601 ocilloscope repair
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Calo:
My oscilloscope vertical axis dose not go above half of the screen, it only works right for a few second than it drops below middle of the screen any one had issues like that?
Chris56000:
Hi!

The Metermaster 65601 Oscilloscope is a clone/rebadged version of the Aron BS–601 and an instruction manual with theory of operation notes, parts lists, adjustment notes, layout and circuit diagrams can be downloaded from k04BB!

http://www.ko4bb.com/manuals/77.101.201.133/Aron_BS-601_20_MHz_Oscilloscope_Operator_Manual.pdf

Chris Williams
Calo:
I turned pretty much every adjustment pot no change
https://youtube.com/shorts/W2Qd8UkSy7Q?feature=share
Grandchuck:
The manual on page 23- shows the vertical output circuit.  Check the supply voltages and then work backwards from Q17-Q20.
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