draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Mon Dec 29, 2008 7:53 pm Post subject: |
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sorry tim, i'm 1000 miles away. IMHO, Intermittent problems are quite often PS related, could it be a fault in the LVPS +/-85V rail? Usually a flaky transistor/capacitor combo causes this and i've sen it a few times on older Convergence amps.
Of course it could also be a glitch on the delfection processor board but those usually show up as a scrambled video on the screen as opposed to tripping the H-fail circuit. Have the customer check the error lights on the LVPS front after the H-fail occurs. 
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