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Samsung 46" LCD takes a long time to start, goes on and off, green vertical lines and noise, before producing a good picture. I replaced the power board, but the same problem is present. What else ca



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Samsung 46" LCD takes a long time to start, goes on and off, green vertical lines and noise, before producing a good picture. I replaced the power board, but the same problem is present. What else ca


... Samsung LN46B650 46/49.5 in. LCD HDTV

I have a insignia ns-lcd37 that has sound but no picture so i assumed a bad t-con board i replaced the t-con board with a new same problem left tv on for hours in a darkened room i saw no backlight i checked all my voltages at the power supply every terminal checked out good what could it be


Its 100% sure that the source of the problem is the backlight inverter board. The fact that there is no backlight confirms this. You will need to replace the backlight inverter board to resolve this problem. If you can get me the part number off the ... Flat Panel Televisions

Video boards Had to replace the power board. Television now powers on, but there is ghosting of images and distorted color. I have tried to adjust the picture settings to no avail. There was never an issue with any imgae burn or color issues prior to replacing the power board. Before I replace the video board, is there anything else that may be causing this issue?


Have you checked it using a different input device such as a DVD player? Have you ensured that the replacement board is exactly as per the original and the voltages at connectors are in same position and rating? If there is a voltage drop in any o ... Panasonic VIERA TH-42PX60U 42 in. Plasma HDTV

I have hitachi t.v. model p50s601 when i turn it on the picture appeares about 1 second imeddietly turns off when it turns off no audio and no picture. already changed the capacitors on the power board c553-c552 = to 3300uf to 100 volts. checked xbus/xsus apperantly no problem. on the power board there is a voltage of vs=88.3v appeares in seconds then imediatly goes to 0. my question is what else can i check? or what could be the problem? thank you for your assistence.


The main rail voltage is not building up and so there is a possibility of a high drain on the output sections. The +B voltage seems to come up and then flatter off as there is a negative feedback to the processor to cut off ... Flat Panel Televisions

Have Protron PLTV-3250 TV and I was told the power supply board was bad. All indications concluded this was the problem. Replaced the power supply board (FSP194-3F01 power supply) and turned the TV on. It has power, but I have no picture. I can hear the sound from each channel, but that is it. I can change the different sources using the remote control and when I come back to TV, the picture (white fuzz or blue screen) will flash for a moment, then it goes black. If I select a source that


... Spectroniq PLTV3250 32 in. LCD TV

Fixya tv I have a Samsung LCD TV. Model Number LN40B530P7FXZA. In January this year my TV picture went out and only had sound. I replace the power supply board and all was well. Well the same thing happen again but this time one of the fuses on the board has blown. I replaced the fuse and as soon as I plugged in the power cord it blew. I did this twice. Should I get another board or is it something else? Thanks.


It sounds that there should be a dead short circuit in the power supply board's circuit. If you are not familiar with\012electronics, do not attempt to repair. \012Whether you suffer fatal electric\012shock. Instead, conta ... Samsung Flat Panel Televisions

Hello. My tv will not turn on. I metered the power circuit as far as I could, and it looks ok. The fuse on the control board is good. The power switch meters good. When the tv failed I heard a small popping sound, but did not smell any smoke from a damaged component. I cannot tell if the problem is with the control board, or with the picture tube. Thanks


It sounds that the power supply regulator section or main board has the fault. Check it with the help of schematics. If you are not handy, seek any technician's support. ... Emerson EWF2006 TV

I have a baird x47dtv and we turned it on today but had no picture or sound. the blue power light comes on and flickers as it should on startup of tv,however we are still not recieving a picture. i have replaced the psu's approx 6 months ago so i know theres no problems there,but am unsure which part i need to replace as it could be 1 of three things. 1 it could be the main board, 2 it could be the power invertors or 3 the screen. any tips would be helpful


Tried to disconnect first the supply voltage of the inverter board and then turn on the tv. if the indicator stay which mean the inverter board would be the cause of shut off or the tv turn to safety mode. ... Flat Panel Televisions

Hitachi 55HDT52 tv has no picture or sound. I have replaced power supply board, x sustain board, both didital boards, logic board, and incoming power filter board. Snot chips look good. I have green flashing LED in front of tv.


... Hitachi 55HDT52 Plasma Television

My slyvania LC320sl1 powering on and then shutting right back off. I just replaced the power button board and the power standby board. It worked good for a day and now back to the same problem. How do I fix it?


... Sylvania Flat Panel Televisions

Toshiba model 42hp66 Plasma flat screen Problem No picture or sound. Pushing on button 2 clicks are heard A slight hum is heard at the Z SUS board. Green power light is on (power light is red when unit is off) Slight clicking sound from Y SUS board. Now that I replaced the open Fuse. (Fuse 4AH250VP Found open on Y SUS board as looking at rear the Fuse on the left). Still no operation?


Do you still have the clicking noise? The tv turns on but no response issue is associated with the main A/V board 99% of the times if there is no clicking sound ... Toshiba 42HP66 42 in. LCD Television

Dynex 47 My Dynex TV stopped powering on. I was told it could be the power supply board cause the indicator light was not on red or turning green when you tried to turn the TV on. I installed a new power supply board, and i'm still not getting any picture or light indicator. What else could the problem be?


This is exactly why I tell people that when your set isn't working, you have to have it properly diagnosed. Chances are you have a defective main board. The power indication is an indication that you have standby power. However, the power indicator i ... Flat Panel Televisions

I have an LG 42PC3D Plasma set. The set would not turn on so I did some trouble shooting and found and replaced all the capacitors on the power board. Some were bulging so I decided to change all of them. I also replaced the shorted IPM (the large chip under the heat sink) and related fuse on the YSUS board. I now have a working set again. The problem I am having is the much typed about "red sparkles" on the left side of the screen when a dark background is present. I have read many posts abo


... Flat Panel Televisions

I have a vizio vw42L replaced power supply board with brand new board but no picture or sound when the tv comes on my problems with this tv all started because of a power surge any solutions?


After power supply replacement, some adjustments should be done to match the new power supply board. It will be best to contact any experienced service technician, since this work is a skilled one, and have to enter the service mode option screen; w ... Vizio Flat Panel Televisions

Replaced power board, power on problem seems resolved, no picture although screen is dimely lite but no remote functions appear and no picture? Samsung LN-S4092D


Your screen could be defective or the T-con board which is the part that gives you video. ... Samsung LN52A850 52 in. LCD HDTV

Red power light on tv comes on, but no picture or sound just black screen.It's like the tv is off. I replace the power supply board still same problem


... Samsung LN-R328W 32 in. HD-Ready LCD Television

Hi I have a power problem, with my Sony RDR-HX717 DVD Recorder. I have no power at all in the display or anywhere else in my recorder. I suspect it could be the fuse, on the power supply board, which is a Newton Power NPS-51AP. The fuse is a T4AH-250V. My question is - what is the best way to replace this fuse, as it is in a closed fuse socket, which is not easy to open? Thx for any help. Fritz Diedrichsen


... Flat Panel Televisions

LG60PK750..TV STOPPED WORKING NO PICTURE, NO SOUND HAVE REPLACED POWER BOARD AND BOTH SUSTAIN BOARDS WILL A MAIN BOARD CAUSE THESE PROBLEMS..


... Flat Panel Televisions

TV powers on and the LAMP light blinks. There is no picture no sound. This problem arose randomly and out of the blue. Some sources as well as other answers here recommend to replace the lamp, but the lamp glows bright. As well, I removed the lamp from the housing and everything appears to be intact. The blink codes for this unit only indicate that the unit is powering on and will be ready in 15 seconds. Other sources I have read also suggest the digital main board is toast. Seems to be quite a


... Samsung HLR5667W 56" Rear Projection HDTV

I have a sharp 32sh12u that has a problem where sometimes i would be watching something the image stand stills then fades to sync with current frame then eventually show vertical lines. The picture will eventually stablize within 20-30 mins or reboot (power cord out). I'm assuming its the tcon board or the tuner board that needs to be replaced. Any insight would be great. some pics http://i.imgur.com/gvC6y.jpg http://i.imgur.com/4DygR.jpg http://i.imgur.com/kykpe.jpg


I don't yet have a solution for this problem, As I to have the Sharp model LC 32SH12U 32 inch LCD Tv. From what I have seen and read in searching for a relatively cheaper fix than just tossing out this $600.00 Tv,I have heard T-CON Board MANY MANY ti ... Sharp LC-32SH12U TV

Dead RCA TV model # P60752EB. My TV would make a click sound and the picture would flash like it was going out about once a week. It went off for good and now won't turn on at all. Someone suggested a power supply problem. I'm sitting here staring at the power supply board :( please help! I love this TV!


The PS suggestion is likely on the money.\012You have a couple of choices-\012- Buy a new board from RCA\012- Buy a used or repaired board; one source is:\012 Jimmy's Parts ... RCA Projection Televisions

I have a Sony KDL-46S4100 LCD that was given to me that doesn't work. It powers on and the power LED is green and the backlight to the tv works and stays on as well but I get no picture or on screen display such as the menu. I can hear sound from the speakers when the input is set to the correct one. I purchased a replacement T-CON board but the problem persists. If I do the LVDS cable wiggle test I can see noise come up on the panel. It varies from vertical lines of different colors to whe


... Sony KDL-46S4100 46 in. LCD TV

Problem with TH-C50FD18:Gives off 2 blinks I replaced the D-board and the A-board to no avail. The power trips the moment the 15Volts ON occurs to send 15volt power to SS, D-board, A-board and SC-board. I found no short on this 15Volts line that is switched by the MC701 Power MICOM Processor. It looks like a 15Volt error is detected, nonetheless.That's why it always reverts to standby mode. Could this be a 15volts power regulation problem? (I suspected the affected unit could be the standby pow


... Panasonic VIERA TH-C50FD18 50 in. Plasma HDTV

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

Hi still have a problem with my phillips flatscreen tv it cut out and i replaced the fuses on the supply board it no works but picture is dark and kinda time lagged is it on its way out or can I do anything else?


Try changing the input device to something you are sure, works such as a DVD player. Look for any loose contacts in RC jacks/sockets/Cable. ... Philips Flat Panel Televisions

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