Question about Sony FWD-50PX1 50 in. HD-Ready Plasma Television
About 6 months ago, my plasma didn't come back on after a house power outage. Had to remove the AC plug and wait 5 min and then plug it in. Issue escalated to ware if you turned the TV off, it would not want to come back on until you kept removing the AC and putting it back. So, we put the TV in a power save mode at night, basically, TV is on, but screen is off, but you could still see a back-light. Was in this mode, which you get to by toggling it on the remote control, for 4 months. We just lost power six days ago (off for a second) and now, the screen will not come on, but we get 9 blinking standby. Did a voltage check on everything and the only issue i could find was G1 card, PRI_VCC was 0 volts. So, i replaced the G1 card. Now, when you try to turn it on, it blinks green and then goes into 6 blink standby. Well, to my knowledge, that's a LowB Error. Well, not sure how to isolate this issue because I can only run voltage checks when it's trying to turn on and that's only good for 9 seconds. what can i do, how do i isolate this issue without just replacing card after card after card..... any expert help is greatly appreciated.
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Posted on Jan 02, 2017
SOURCE: Sony KDF-E50A10 No Picture
4 times blink error shows that any FAN is not running in TV as there are 4 fans in this TV.
Please check fan connectors and make sure all are plugged securely.
Posted on Feb 14, 2009
I would suspect one or more of the miniature flourescent backlight lamps. One way to confirm this would be to power up the set with a grayscale image at 40 to 60 IRE. If one or more lamps is failing to light, a slightly darker horizontal area in the grayscale will give it away. Unfortunately, Sony will not supply any of the backlight components apart from a new LCD panel. Sorry.
Posted on Sep 01, 2009
It's not to complicated, in the newer TVs as well as other things, when you first turn them on the diagnostic circuits kick in [that the first relay you hear click] it sends a signal (low voltage) to all the circuits to check them and make sure there are no problems. If it gets the proper returns from each circuit it kicks out and the full power relay kicks in and powers your set up. This is done to protect others circuits that might be effected by a flaw in a different circuit. What started as a small flaw in a component has gotten worse with use which is normal. Your set is kicking the diagnostic circuits and they are detecting the problem and shutting it down. You have problems with your power board, if the diagnostics circuits were not in place and full power hit the set the power board could possibly put triple or more voltage to some section of another board, thus burning it out also. That's why they started using the diagnostic circuits on TVs, Computers have had them for years. Late model car - etc. I would take the power board out of it and go to shop Jimmy's and enter the part # which will be on the board and order me another one and pop it in and kick back and watch TV again. I don't know what a power board would cost for it but "shopjimmy's" carries high quality boards at a reasonable price. I do caution you on buying a refurbished board, they are tempting but I have never and I mean never seen one hold up very long. As a matter of fact I will not put one into a TV or anything else for that matter. So there is light at the end of the tunnel and it's not the train this time! I only work on the kind of TV that plug into the wall or run on batteries, therefore, I've seen a bunch of them in14 years. Don't worry about getting the wires mixed up because one thing about TVs is a harness or plug will only fit one place and that is where it belogs you can't cross them up.
Posted on Oct 23, 2012
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