THEORY OF OPERATION
A 30-0-30 VAC center tap is applied by means of P100-7, 8, 10 to bridge rectifier DB100 through
F100 and F101. Output of DB100 is filtered by C100 and C101 to minimize ripple on power supp-
ly line of + 34V DC going to X and Y amplifier circuit on Deflection Board. R100 and R101 are
used to limit rush current to the filters. B + for H.V. circuit is taken off before limiting resistor.
Typical ripple content on C100, C101 with a diagonal cross hatch pattern display is 1.0 volt PIP.
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