Re[2]: Error Codes Assistance

The problem you are having with the Sony PFM500 with error codes 12 and 22 is not the HV power supply. Unfortunately you have an unfixable monitor. Most people hear a "pop" just before the monitor quits and then the error codes appear. The problem is in the plasma screen itself. If you were to remove the large cover from the back and look on the far left side of the plasma screen you will see several epoxy covered areas on the plasma screen ribbon cable. One or more of these areas will have a crack or popped epoxy. There is an IC under there that has catastrophically failed. It is not worth the cost to replace the screen.

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