Re: A guide on how to troubleshoot 2 seconds to black
Excellent tips, could save a lot of money and time.
I would like to point out that this test will always fail with four "2 seconds to black" outcomes. This is because the unit will operate only with all of 4 lamps in good condition; if any of them goes bad then the feedback circuitry will either detect excess load (less likely) or no load at all (cracked lamp or wires) and will shut down the inverter to protect it.
This test, however, can isolate which, and how many CCFLs have gone...
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