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#9
03-23-2006, 10:31 PM
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Phil,
Your symptioms of diminishing brightness with advancing brightness control sound like either inadequate high voltage, or low B+ to the HV section. Check the B+ at hte damper. Try unpluging the high voltage capacitor, sometimes they can fail and overload the high voltage. Disconnect the CRT anode an measure the high voltage, then reconnect it and measure it as you advance the brightness. Try replacing the damepr and hv rectifier tubes. One of these things should lead you in the right deriction.
__________________
John Folsom 
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