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Lcd tv lt32de9bj i have a blue standby light. the hard drive runs for 2- 3 seconds over and over but the set will not start up. The 24v supply is present for the inverter but there is no backlight or picture



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Lcd tv lt32de9bj i have a blue standby light. the hard drive runs for 2- 3 seconds over and over but the set will not start up. The 24v supply is present for the inverter but there is no backlight or picture


... Flat Panel Televisions

I have a Vizio VW32LHDTV10A that produces sound but no picture. I have checked the main power board for 24v to both backlight inverters and 24v is present. I then hooked up both backlight inverters and turned the TV on and the blue LED on the Slave inverter comes on, but goes off after only a few seconds. What further tests could I perform to check which part is defective or what component is the most likely cause?


When you reconnect the inverter boards, when the LED goes off on the inverter board, do you still see 24vdc? You shuld also ty hooking up test lamps to the 24vdc to see if it will stay on.\012Right now I have a feeling the problems are in the b ... Flat Panel Televisions

Vizio VT470M no picture, no sound, no backlight. Power supply board looks good all voltages appear correct (24V, 5V, and 3.7V) and no "bulged" capacitors . When I unplug unit for two hours, the screen comes on normally backlight comes back up and picture is normal, but changing the channel causes it to go dead again. Bringing up menu with remote is really sluggish and when attempting factory reset, it goes black. Vizio light on the front of the TV comes on and off when pressing power button,


Im having similar problem and with my limited knowledge of lcd tvs and the voltages ALL being good except the pwr on or sw on voltage from the main board to the power supply which tells it to switch everything on Im guessing that something is going w ... Vizio VT470M 47 in. TV

My samsung tv replace the power supply board. got sound no pictuer replace the backlight inverter stell no picture


You have to check whether the back-light inverter gets its proper voltages to function. There as many voltages that controls the back-light inverter. Check these is a skilled work. Contact any experienced service technician. If you are not ... Samsung LN40A650A LCD TV

Have a Proview pa-19jk7. When you turn on the TV, the logo screen appears, then the whole screen goes blank. If I try it in a dark room, I can see the picture with a flashlight, and sound is good. I have taken it apart, and dont see any blown caps. I just dont know if its, the power supply, inverter, backlight. Are there any clues from the logo screen appearing first? Thanks!


In this the the backlighting is done this way - the power source delivers an low DC voltage of around 24 volts to the inverter board , the inverter board ups that to about 500 volts DC and delivers them to the CCLF tubes (basically some thin neon tub ... Proview PA-19JK7 19 in. LCD Television

Hello, Im having problems getting a pictur on my screen. The screen stays black but the power button is green so that means the TV is on but it wont show anything.. I also don't hear sound either im not sure if this could be a power supply issue or black light inverter issue or even a burned out pixel..I have only had the TV for 3 yrs so i don't think the problem should be that major but i am concerned because i don't no where to start help me please!!?? :)


... LG 32LB4D 32 in. LCD HDTV

Hi, can you help me with this TV please. Hi, I have a Olevia 232-T11 LCD TV. First my TV wouldn't turn and the blue light just stayed on. I replaced the power supply board and now my TV turns on and the screen lights up but I get no picture or sound. The slave backlight inverter board has a blue light when you turn the TV on but goes away shortly after. The screen stays on but I have no sound or can't control the channel, volume or source button. Please help.


If the tv is not coming on but there is no picture or sound then it is a 100% guarantee that its a problem with the audio/video main board of the tv. I am sure that replacing the same would resolve the problem. Please get me the part number that is p ... Flat Panel Televisions

I replaced the inverter panel on my 40" proscan tv but still have no picture and no backlight


... Proscan 40LD45Q Full HD 40 LCD TV

When I turned on TV after about 1 week of not using it, it took a long time to start up. Then, I noticed a flickering in the picture. I checked all the Picture settings and noticed that I must turn Backlight all the way off or on lowest setting 1 to stop the flickering. The higher the Backlight setting, the faster the flickering becomes. However, the picture is too dark on Backlight Off or 1 and increasing Brightness to 100 does not solve the problem.


... Samsung LA40A330 40 in. LCD TV

Replace the power supply and the backlight inverter to my samsung has sound but no pictuer can u help


Check whether CCFL lamps are good or not. Check whether the newly replaced back-light inverter functions well. ... Samsung LN-T4665F 46 in. LCD Television

I have an ELCHS321. My backlight started to flicker. The inverter board is JLS-05-32EI. I have the back open and noticed that the LED on the inverter board was blue and flickering as well. As the set warms up the LED turns white but still flickers. The LED goes solid white and the flickering stops. Is this caused by the inverter board or or the backlight. Is there anyway to load the inverter board output to isolate th problem.


I would suspect and check first the voltages going there to see if low when cold and come up and if they are moving up and down when it flickers----points to problem in power supply ... Element ELC-HS321 32 in. LCD TV

I have a RCA l32hd35d version A I can turn it on and it comes on and the backlight goes back out. The rest of the tv works and it has a picture if you look at it close. Just no back light. I have replaced the inverter and the problem is still the same. The blon pin on the inverter has 3 volts on it even after the backlight goes out The 24 volts is still there too you can keep turning it on and off and the backlight will stay on. any help will be great...


If you have 24vdc feeding the inverter board, the next signal you need to find is the BL_ON SIGNAL which will turn on the inverter board, it should be 3.3vdc or 5vdc on that pin (pin 12 on CN1 of the inverter board), see picture here:\015\012 ... RCA L32HD35D 31.5 in. LCD HDTV

I have A Samsung 52 inch LCD TV model #LN52A580P6FXZA. The relay clicks at A random rate, there is A red light that flashes steady. It will not power up. All my standby voltages coming from the power supply are present as well as the run voltages. Power supply on voltage is present, inverter on voltage is present, occasionally, it will give A loud high pitched squeal. It never comes on. Any help would be appreciated.


... Flat Panel Televisions

Sound but no picture. No backlight present. No VLED_VCC Voltage from PSU


For sure is the power supply can you replace the module? ... Sony 46 KDL46EX720 3D LCD TV

Backlight inverters, or power supply issue?


... Westinghouse TX-47F430S 47 in. LCD TV

Tv fades from right to left on any channel or input(Xbox). After a while the tv picture lasts longer. The tv has to be on for about 10 minutes for picture to appear. Thinkin the backlight inverter but


You have defective capacitors on your power supply. You can tell which ones by the swelling top. Replace caps with the same value and your good to go. Should be about 10 dollars in parts. ... Standard (CRT) Televisions

I have 50 inches plasma Hitachi TV (ALiS 1080HD). As the TV was on, the screen stopped showing (no picture) and no sound could be listened as well, without any reason. The power light started flashing (on and off) so I turned the TV off from the power supply (as the remote control was not responding). Few seconds later when I turned the power supply back on for a moment I heard a sound (making me believe that the problem was fixed) but once again the power light started flashing with the same en


... Flat Panel Televisions

I have a Samsung LN40A550P3FXZA that is giving me problems. When I first started noticing problems I would turn the TV on and I would hear the power-up sound, the backlight would come on and then the red LED would flash a few times then the backlight would go off and it would repeat (power-up sound---backlight on---LED flash---backlight off). It would do this several times. Sometimes I would be able to get picture if I hit the source button on the side of the TV when the backlight first came


Try Samsung parts. They will almost always have the parts. As for the price. Its either 175$ for the board or a new tv. You have no other option ... Samsung LN40A550 LCD TV

I have a Samsung LN46A530 46" LCD TV. Lost my backlight and wondering if the two wire connectors feeding the R and L inverters is where I would meter for power, and if not what are these for ? Or is it the ribbon cable on the top left (it's pin ids are 1. 12v_cold, 2.FB, 3.FB, 4.GND, 5.GND, 6.LD, 7.LD). Would this TV use 12 V to power the inverters ??. The inverter enable is on (5V), so I assume it is either the pwr supply or the master inverter.


... Flat Panel Televisions

TURNING THE TV ON WHEN COLD THE PICTURE STROBES AND SOUND IS OFF ON OFF ON IF I ADJUST THE BACKLIGHT AND TURN IT BELOW THE MIDDLE (STD) ADJUSTMENT THE STROBING WILL STOP AND SOUND WILL COME ON IF I TURN UP THE BACKLIGHT TO +6 OR MORE IT WILL START STROBING AGAIN WHEN THE SET IS ON FOR A FEW HOURS I CAN THEN TURN UP THE BACKLIGHT


Check and replace all the electrolytic capacitors at its main power regulator board and check. If it do not help you, replace the power board as card basis. It is a power regulator board problem. ... Flat Panel Televisions

Toshiba 40rv525rz shut off while playing xbox. When it shut off i could see a small white line on screen then went black. Tryed to unplug it for 5 minutes and would not turn back on. All it was doing was flashing the lit toshiba emblem up and nothing else! Talked to a couple of people and they told me it sounds like a power supply problem! So opened up the tv and saw that the power supply had a burnt resistor and there was also sut on the backlight inverter so i ordered a new power supply and in


... Toshiba 40RV525R 40 in. HDTV

Hi i have a goodmans lcd tv the power supply is a mlt666 rev 2.8 and the tv comes on ok for about 2 mins then the backlight keeps flashing and the power supply then starts clicking and tv keeps doing that to u turn it of thanks for any help


I would have the power supply filter capacitors checked, especially the 24vdc circuit ... Flat Panel Televisions

Astar LTV3001 has sound, able to select diferent input, volume up and down, backlight on but no picture. I change the main board and capacitors in the power supply but still no picture. Please help..


... Astar LTV-3001 Television

RCA LCD X2620W TV no picture and possibly no sound. TV has no picture and cannot see if speakers are turned off as I cannot get see menu's. Set has 5v standby and 5v switched. I also have 12v switched. I also see 24v that is present with set on or off?. Any and all help is greatly appreciated.


Hi.The PSU looks OK. Double check that Volts are OK on all outputs.Check if there is DC out from main to inverter. If you have no back light: If there is no DC to inverter, then it is usually main board. If there is DC t ... Flat Panel Televisions

I have a vizio vz37l tv. When i turn it on the screen lights up, however there is no picture on the screen. the sound works, its just no picture on the screen. I read on a couple of the posts on here, and figured the proper course would be to replace the t-con board. I just finished replacing the tcon board and still the same thing. I called vizio about the problem and they say that if the screen lights up then the problem wouldn't be the backlight inverter boards, that it might be as simpl


Its the main board... ... Vizio VX37L Television

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