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i did not finish before the post uploaded ??
anyway check r609 33k r620 820k on the circuit board with the service switch
magoo1 voltage pinouts
pin3 ground
pin 4 30.6v to sweep
pin 6 31.6 to sweep vertical output transistors
pin 7 8v to height control
pin 8 30.6v
pin 10 83v b+ in
pin 127.90v v sync
maybe this will get you started in the right direction
steve
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