Seth Stern Wrote:
I have a Heath 4221 oscilloscope in need of repairs. This one is
apparently not a Heathkit and appears to have been manufactured in
Japan. Does anyone out there have any suggestions as to where I might
take it (in the San Francisco bay area) or even find a schematic ?

ME TOO! I have a 4221 which powers on and the CRT heater comes on but
it displays no trace. A schematic would be great.
-Mike OZ in Indiana


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