Question about Zenith Z50PX2D 50 in. Plasma HDTV
You can be in one of the following three situations.
There is sound but no picture, and the screen is completely dark (no backlight).
In this case the problem is usually the inverter. PSU and main board should be tested following indications here before replacing the inverter:
There is sound and backlight but no raster. In that case problem is either AV input or main controller board. Input is tested reading continuity between connector and soldering joints on circuit.
If there is no sound and no picture and led blinking, then the TV is in protect mode. A part that fails often sending TV in protect is the PSU, but all parts should be tested, as problem can be virtually anything.
Ensure that you have tried resetting the TV by disconnecting power for ten or twenty minutes. Check all cables and devices connected to TV. Repairs must be carried by a trained person.
For parts check:
ShopJimmy - Z50PX2D
LG Electronics/Zenith Z50PX2D Parts List
Posted on Sep 02, 2010
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Posted on Jan 02, 2017
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