(1) Unplug the power cord, twist the chassis self-tapping screws, pull back chassis, the high voltage capacitor discharge circuit. 4yQservice manual download site
4yQservice manual download site
(2) remove the high voltage transformer primary winding T black and white wires plug wire terminals, temporarily put on ordinary fuse test machine. If EL, M1, M2, M3 were normal, which determine the fault in the transformer T. 4yQservice manual download site
4yQservice manual download site
(3) T back into the primary winding of two plug wire terminals, removed the H · V · FU2, pull out the plug wire filament

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