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Lj41-09422a 4 transistors shorted on X sustain board. Is this unusual and will replacing the board fix the TV?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

shanat
  • 359 Answers

SOURCE: Doesn't power on_Blown fuse (F601) T4AH250V

just a question hows the on/off switch

Posted on Jun 04, 2008

  • 2 Answers

SOURCE: Part # for a Y Sustain Board Cable Ribbon

why are you replacing it? what went wrong? mine just stopped lst nite and jsut ties to turn on. email res116@comcast.net

Posted on Jun 18, 2008

Old Drummer
  • 5 Answers

SOURCE: Our display board was replaced now the y sustainer board needs replaced

Three suggestions:
Contact http://www.ptscorp.com/television.html. They have a selection of replacement boards or will repair it Fees are usually $50 to $125 and I have had great success with them.
Another would be to try www.shopjimmy.com and lastly do a Google search, if you know the exact part number, to find other sources for the board.

Posted on Dec 30, 2008

  • 5 Answers

SOURCE: p50hdtv10a y-sustain and pcb

I had this problem with a different brand plasma and it turned out to be cracked or missing solder on the power board lead to y sustain. I removed the power board, desoldered the connection, clean it up and then resoldered the connection. Everything works great now.

Posted on Sep 27, 2009

SOURCE: Y Sustain Board Replacement

Store 1:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=110507378318&ssPageName=STRK:MESE:IT

Store 2: http://www.coppelltvrepair.com

Helpful information:
http://blog.coppelltvrepair.com

Posted on Mar 28, 2010

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1 Answer

My RCA tv every once in a while turns itself off and on until it's unplugged. How do I fix that from happening?


Hello
There is some shorted components on the main board to your tV. Just check its horizontal output transistor for collector to emitter leak. Just desolder this transistor out from the baord, and switch ON the TV. If the power supply indicator light lights up steadly, make sure that this transistor is shorted. Before replacing this transistor, LOT must be suspected. if LOT has internal winding short, this faull will happen again.

Feb 27, 2012 | RCA Televison & Video

1 Answer

Hi! Thank you for your help. I have a Samsung TV


Hi Doug Rudnik,

First of all thank you for contacting Fixya.com regarding on your TV problem.

You've mentioned that you can hear a sound for 1 sec and then the unit immediately turned off and there's a constant red LED lit. The symptoms you've described indicates that the main board of your unit is working fine and it automatically shuts off because it sensed malfunction on image boards. The constant red LED means that it is on standby mode only.

Now, since you've replaced the power supply board but still the symptoms persist, then the suspect is either the X or Y sustain board but high chance that the fault came from the Y sustain board based on my experienced. Y sustain board is located on the left side of your unit while the X sustain board is on the right side if you are facing the rear cover. These boards has a ceramic fuse(white color) and pico fuse(looks like resistor), please check the continuity of the fuses to determine which board gone to malfunction. If you found an open fuse to Y-sustain board then you need to replaced it. Blown fuse means that the circuitry on its line gone to excessive current.

I would advice you also to inspect the electrolytic capacitors on these boards. Most of the time loud pop came from a blown capacitor and has a physical indication of fault like bulged/dome at the top and can be easily identify through visual inspection. It can give you an idea also which board gone to malfunction. See sample picture below of faulty electrolytic capacitor with bulged dome at the top.




12_6_2011_7_37_13_am.jpg

Here's the link for X and Y sustain board.

Y sustain board

X sustain board



Hope I've gave you an idea what's going wrong to your set.

Have a nice day and take care!

Kind Regards,

Jdvillanueva

Dec 06, 2011 | Samsung Televison & Video

2 Answers

Power supply transistor transistor no. C4237 replaced 4 times. each replacement didnot sustain for a week. which transistor can i use instead.


I have worked to repair a few of these. When the transistor is burned, you most likely have a bad flyback transformer and bad picture tube. In this case you replaced this (transistor) component four times. This TV cannot be saved. Thanks for asking.

Oct 19, 2011 | JVC AV-24F704 24" TV

1 Answer

Short circuit on the "Y" sustain board


The problem is heat!!! If the tv has fans they should be checked for normal operation,although on the early samsung models there were none, and the problem is that the panel drive buffers are getting to hot due to inadequate cooling. This is most apperent when tv is mounted to close to the wall, also external fan blowing on the rear left side will dissapate the heat. It is a problem on early Samsung and Electrograph 42 " plasma models. Hope this helps.

Jul 28, 2010 | Samsung Televison & Video

1 Answer

JV50P has power but that's about all


if Vs is showing less than 1 ohm, that is your shorted line. it goes the sustain and address boards (big boards on left and right side of set) and one of those is bad. try using the same ohm check to see which is shorted and replace that board to fix the set. if it is the address board (one that plugs into boards with lots of chips addressing each horizontal line of screen) you need to check all the address buffer chips. make sure there is no little pin sized hole burned into one of these chips or it will blow out your new address board.
other names for boards
address = Y sustain
sustain = Z or X sustain

May 26, 2010 | Vizio JV50P 50 in. Plasma TV

3 Answers

TV went out.


U have a dead power supply board,burn componnents parts on the power supply board.Replaced the power supply board,u will get ur power back as normal function as before.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

May 02, 2010 | Philips Magnavox 42MF521D/37 Television

1 Answer

TH-42PX500U tv power light blinks repeadly tv does not turn on


One of sustainer panels are shorted. First candidate-Y-sustainer, second X-sustainer. Y is bigger and it's on the left of the set, face down, back open. X-smaller-to the right. Just got 2 jobs done for one of each. Got lucky with Y, mosfet shorted,fix the board, next one has bunch of the in X, had to replace module. $175 for used one.
Have to know basic troubleshooting to figure out which one. If you unplug any of their power plugs, it will shut down. Need to measure each module for short in Vscan.
Good luck.

Jan 22, 2010 | Panasonic TH-42PX500U 42 in. Plasma...

2 Answers

Vizio closed captions are with red background! Dish TV or Vizio problem?? Also red pixel lines/flashes!


It is a TV problem and could be the sustain boards or the mainboard.

Most likely it is the Y sustain board but it is recomended to replace Y and Z sustain boards if one is damaged.

Jul 12, 2009 | V, Inc. Vizio P50HD Plasma Television

1 Answer

Need transistor


Finally I have managed to fix my plasma 6842PEM. My problem was the SS (Sustain) Board and not the Power supply. This board is the vertical one to the right connecting to the Screen/Panel. I tested every component on the board and found one of the Transistors on the heat sink was bad, part # 2PG001. This board is made by Panasonic which can be replaced. I got the Transistor which only cost $20.00 including shipping.

To identify wether this is your problem, disconnect the cable comming from the power board and put on the TV, If the green light stays on then this is your problem.

Thanks all for your help.

Laz

Oct 27, 2008 | Sylvania 6842-PEM 42 in. EDTV-Ready Plasma...

6 Answers

Have sound and no picture


HI I HAVE THE SOUND BUT NO PICTURE BAT WHEN I BEND THE POWER BOARD OR PLAY WITH IT LEFT OR RIGHT THSN I GET THE PICTURE

Oct 02, 2006 | Toshiba 50HX70 50" Rear Projection...

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