Question about Office Equipment & Supplies
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Posted on Jan 02, 2017
SOURCE: PCU problem
have you tightened the two screws either end of the brown retaining bar (inner cover) ? Is there a small white plastic bar sticking out from the front of the yellow PCU ? This white "stick" activates a switch in the inner cover
Posted on Nov 21, 2007
Sorry for delay, just back from vacation...
The pictures look like you have white retrace lines which indicate that all the colors are working. No picture would indicate there is either no video signal present or the video processor is not functioning. If the set has an RCA video input try connecting a video game or other composite video source (remember to set the tv to the aux or video input). If you then get a picture the processor is working and the problem may lie in the conversion of the over-air video signal. If you get no picture with any input type I would suspect the video processor chip (probably the largest chip on the board). See if you can find a Datasheet for the chip and check the voltage input(s). If the chip (or any chips) get excessivly hot they would also be suspect.
Keep me posted on any progress...
Posted on May 30, 2008
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