High Voltage/Power Supply Issues: Picture Fades In and Out

On occasion, the regulation circuit will fail within a Barco projector, and the picture can fade in and out. Bad HV regulation usually causes shifting in focus, picture size and brightness. All or some of these symptoms can occur simultaneously. The problem most likely is a bad EHT board, in later sets the G2/diagnostic board may also be bad. Send one or both boards in for testing.

That should cover the scenarios for dead sets, high voltage and power supply problems. The next section covers video problems.

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