[TechAssist] Re: Hitachi 27CX21B M3LXU chassis

Don, check the set to see if you have  B+ on the collector of the 
horizontal driver transistor, if not,
D744 a 12v zener is open (my set was a 32") hth,
Larry Eastman
American TV & Electronics
Crystal River, Fl. 34428

Don wrote:

>This set came in with bad purity and video (dark on one side). changed a
>160v cap @ 4.7mfd and fixed that problem but then the unit intermittently
>won't start up. No relay click. Sometime it will start sometime not.  I have
>been to Hitachi's website and from the schematic information online have
>wicked out the pin on the video/chroma deflection IC with the same results.
>Am beginning to suspect this IC as the culprit. Tried to print the schematic
>from the PDF but it was unreadable. Any help out there?
>
>
>Don Reaka
>
>
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-- 
Larry Eastman
American TV & Electronics
Crystal River, Fl.
http://www.tvjunkyard.com



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