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#11
01-13-2015, 06:38 PM
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On a service call I ran into one of those GEs with bad color sync. It was not fixable with tubes so we shopped it. Ran the usual troubleshooting gamut with nothng out of spec. The NE-2 was lit and looked normal. Finally just replaced the NE-2 out of desperation, and the color sync and tint range popped in perfect.
Turned out the NE-2 was in the burst gate area serving GE's famous 'ringing crystal' system. Don't remember if it was for voltage referance or for pulse keying. Probably the latter. 
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