Question about RCA PHD50500 50 in. Plasma Television

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Need part power splay board part #261670

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Click here to find the power supply. A bit pricey.

Posted on Jul 31, 2008

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RCA 55" TV Model: TV LED55C55R120Q Serial: 4526-LE55C55-C201218, August, 2014 Diagnosis and repair recommendations needed.


like back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Sep 13, 2016 | Televison & Video

1 Answer

Power surge knocked out my video board. How do I order a replacement?


Barry,
if you include the make & model we may be able to help locate a board. Even better if you include board ID info including revision number. Suggestions include eBay or any of the reliable net based component vendors.

TV Boards Buying Guide

Jan 11, 2015 | Televison & Video

1 Answer

TH-50PZ85U 10 BLINKS


Check connector P11 and SS11 and make sure they are not loose. If they check fine, disconnect the connectors from the power board and che connector P1 and P11 for shorts. If you found a short, then replace the power board. If no short, then check SS11 for a short and replace that board if needed.

Jun 20, 2012 | Panasonic Viera TH-50PZ85U Plasma TV

1 Answer

TV is dead. Power light is not illuminated. Checked all plugs and outlets.


It sounds like your power supply has failed. This could be caused by bad capacitors in the power supply itself, or it could be caused by some other circuit board, likely the Y-sustain or Z-sustain board, or both.

This solution assumes you feel comfortable working on the tv yourself - if not, it will need to be fixed by a service technician.

Begin by removing the back cover. You'll need to take out all the screws that have an arrow pointing at them. You'll only need to remove the large cover, not the smaller one where the audio/video connections are located. Put the screws in a plastic sandwich bag so they don't get lost.

The power supply board is in the center top area. Check the tops of all the capacitors. They should all be flat. If any of them are bowed out or deformed then you have a bad power supply board that will need to be replaced, or replace the caps if you're capable. If the caps look ok then check the fuse at the bottom right of the power supply board. Go to the appropriate paragraph below.

1) IF THE FUSE IS GOOD: you likely have a problem with one of the sustain boards. Unplug the connectors on the Y Sustain (Ysus) that sit between the two fuses. Plug in the tv and see if the power supply board comes up. If it does you'll hear a click and see the green light on the front begin flashing. This indicates one or both of the sustain boards has failed.

To determine which board has failed, reconnect the Ysus connector from the power supply and disconnect the connector at the top left of the Zsus board. Try turning on the tv. If the power supply comes up then you have a problem with the Zsus board. If it doesn't come up you have a problem with the Ysus board and/or the Zsus board. The power for the Zsus board is routed through the Ysus board, so if the Ysus board is bad you won't be able to check the Zsus board.

Many blogs recommend replacing both if one is bad because they're both high failure items, and replacing one without the other means you may have to go back and replace the other after a short while.

2) IF THE FUSE IS BAD: You may have a problem with the power supply board. Check the caps for any deformed tops. If so, you'll have to replace the board or the caps, depending on your skill level. After making the replacement, disconnect the power to the Ysus and verify you have a good power supply board.



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Jun 23, 2011 | Zenith Z50P3 50 in. Plasma TV

2 Answers

Will not power up. Tested from plug to power board. Power does not leave power board from any terminals.


The power supply board could very well be defective. I would also check the Zsus board and the Xsus boards. If either of these boards fail it could also cause the power supply board to fail.
You can unplug the connectors to the zsus board at the power supply and try to turn the set on. If it does turn on, the power supply board is ok. If not, the power supply is bad. If the power supply board is ok, undo the plug connectors that power the Xsus board and hook up the plug connectors to the Zsus board. Turn the set an and see if it stays on or shuts down. Part numbers should be on the boards. Zenith is really LG Corp. Their customer support number is 1800-243-0000.
Hope this helps,
Steve

Nov 25, 2010 | Zenith Z50PX2D 50 in. Plasma HDTV

4 Answers

Lost power completely


If you are comfortable with working in tv circuit boards then unplug tv from AC wall socket, take off back of tv and follow AC cord going inside tv that will take you to power supply board, check fuse on power supply board, replace it with same rating written on it if it found blown.
Replug tv back in wall socket and check if it turns On.
If still problem not solved then power supply board is defective and need to be replaced.
Local tv repair shop will help you if you think its not safe for you to work inside tv.
Hope these info will help you.
Thanks.

Jul 10, 2010 | Protron PLTV-4250 42 in. LCD Television

1 Answer

The green led blinks 12times. local repair guy guy said somthing about taking out the y.


Power LED blinking it about 90% power supply board is dead.The other 5% are both boards some time are dead.The power supply board and the Tuner siginal board is dead.Replaced the power supply board it ur best bet to get power back.After power is back should get picture too.Not than the Tuner board also need it replaced.Tries Websites Shopjimmy.com,Ebay.com for boards parts.

Feb 16, 2010 | Sanyo DP42746 42 in. Plasma Television

2 Answers

TV will not power on. not from remote not from TV power Panel. No lights nothing, no sound, NOTHING HELP!


TV needs power supply board replacement that is available with Shop Jimmy, click link to have price info.
If you are handy with electronics stuff repair then it would not be difficult to replace this board. Unplug connectors of old board, remove screws and take out old power supply board. Put things in reverse order and job is done.
Thanks.

Sep 18, 2009 | Emerson LC320EM8 32 in. LCD TV

2 Answers

Power Supply Board for SAMSUNG 40" LCD TV Model LA40R81BX


You'll find some Samsung power supply boards here : http://www.usefulparts.com/index.php?main_page=index&manufacturers_id=11&sort=20a&filter_id=98&alpha_filter_id=0
but you have to open your TV first and find out model number

Apr 02, 2009 | Vizio L32 32 in. LCD HDTV

2 Answers

Vizio L37


Check all electrical connections. If standby light is off when plugged in, probably needs Power Supply board replaced. If standby light is on (Orange/Amber color) may need Power Supply board and or Main Board. If set was shutting down on it's own leading up to it not powering on at all, may need Main Board, and possibly Power Board as well. If standby light has changed from Orange/Amber color to Green, the set IS powered on, and you have an issue other than power.

Oct 04, 2008 | Vizio L37 Television

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