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#6
08-02-2014, 07:24 PM
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A 1989 set is likely to have the 1st gen. of the "split chassis" setup. And you are right--the tube is likely good, as Goldstar--LG--had NOT yet gotten their tentacles into Zenith then...
Another problem area on these was the horiz. driver transformer and maybe a resistor off of it. Also a couple of caps in the SMPS supply,primary side, and that transistor near the front of the deflection board used to switch on the 12V. line--it sometimes went bad. 
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