Question about Televison & Video
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Posted on Jan 02, 2017
SOURCE: TV Won't Turn On
I purchased the TV using AMX card 18 month ago. They have an extended 1 year warranty on top of manufactory's. I just have this set repaired: replaced SD board, total charge is $550. I already file a claim and hope to get reimbursed soon.
Posted on Mar 06, 2008
SOURCE: black screen
This denotes a power supply issue. I would venture to say that it is the part of the supply that controls the plasma ignitor if this is a plasma TV or if this is an LCD screen it is called the back-light and inverter circuit. The power supply board would be the chief culprit in this case.
I hope this helps,
Posted on Aug 21, 2008
Very common issue with Plasma TV's. Unfortunately there's no common fix, or easy fix either. The symptoms you described could be caused by a bad power supply board (not likely), a bad video controller (maybe), or bad X, Y, and/or Z sustain boards (most likely).
If you're handy with a screw driver, you can take the back off the TV and have a look around. Make sure you unplug it from the wall and maybe even wait for an hour or so before opening it up. This will allow it to discharge any stored electricity, though it's not a guaranteed safety net. Work as though anything you touch might shock the sh*t out of you. Because it might.
What you're looking for is signs of a failed component. Capacitors will often bulge on top when they go bad. IC's sometimes will crack, bubble, warp, or burn. Sometimes you can see that a general area of the circuit board appears darker, and often this will be where something has broken down.
Should you see anything that just doesn't look right, and you're pretty sure that it's bad, you can look for that board part number online and sometimes find a really fair price. From there it's all plug and play. A couple screws, a couple wire connectors, a trip to the hospital because you touched a charged cap, and that's it! Voila! Your TV will be up and running again.
Posted on Dec 16, 2009
Sounds more like blown/exploding capacitors on the PSB-Power Supply board. No OSD-on screen display a blinking led or chatter/relay clikcing at startup is the tv going into fault protection and bypassing the startup pins. The YSUS-Main controls the pic which is attached to 2 buffer boards the YBU-upper YBL-Lower. They control the upper and lower portion of the OSD and the YSUS controls both of them. Since you're getting No OSD you need to check for blown caps on the PSB first. Unplugging the set resets the error again. So you start all over again.
Best Rgards and Semper Fi
Posted on Aug 03, 2010
SOURCE: My 42 inch Maxent went
Whn the sustain boards go out, its usually due to the buffer boards. Since you have already replaced the sustain boards, replacing the buffer boards should do the trick as these are the boards the control the firing up of the gas inside the PDP(Plasma Display Panel).
Posted on Mar 19, 2011
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