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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.



Answers :

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, contact\012any experienced service technician, or the nearest service center.

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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

I replaced the STK chips and one pico fuse that was blown on the input power board (the fuses and resistors near the STK chips are fine). I turn the power on, no screen and I get sound for 1 second, then it turns itself off. The power LED blinks 4 times, long pause then repeats. What should I look at next.


A blink of 4 times is an error code that there is no vertical deflection. There may still be a problem with the + or - 15 volt supplies. This error is generate when the vertical deflection pulse is missing. there might be a problem with ic 8003 ... Sony KP-51WS500 51" Rear Projection Television

Blown fuse on TV, 2.5AL250V fuse on 42" Regza tv. I replace the fuse 3 times. Once i plug the tv in. The fuse blows. Do i need to replace the power board.


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HI, I have a samsung 933HD which is being a pain it sometimes turns on and the blue light displays but no responce when pressing the power button but other times it turns on but off after a few seconds and then other times it works fine untill I put it on stand by again I have replaced all the capacitors on it apart from the large 450v 100uf I was going to replace all the resistors but hit a snag - there is one with only 2 bands on either side a black and a yellow and on the board next to it


... Samsung 933HD 19 in. LCD TV

Phillip 50PF9630A/37. I have a red blinking 7 times after a green light. i've allready replaced the 2 bulging cap on the bottom of power supply board and also a cap on the Y board (board on the left) although i sodered it backwards with negative on the wrong side, i imediately resodered it and it sitll doesnt work. i've even isolated and unplug the y board and x board independently to see if it will still give me a blinking red lights and it still does. i've checked every capacitors and fuse on


Hello sir Jose!!!!try to unplug the y sustain only and power ON your TV..and see what happen next..Please reply to this tread for immediate help.. ... Philips Flat Panel Televisions

I have pt-56wx53g projector that will power on for one second then go off i have already replaced stk chips and associated resistors. when powered on smoke rises from circuit board near stk towers power goes off and power light blinks three times


Hi,Three time power light blink indicates problem with convergence output circuit and since STKs have been replaced along with associated resistors so I would recommend to recheck your solder work that was done for replacement of these parts. ... Panasonic PT-56WX53 53" Rear Projection HDTV-Ready Television

Blows 0.8A small fuse (right next 2 power supply Input from mains power) every time it's replaced. It stopped powering up one day & ever since, hav'nt been able 2 power up d unit.


Hi,Let me know model number and brand info of tv to find out possible cause of fuse blow and to suggest a solution.Thanks. ... Flat Panel Televisions

I have a HLT6187SAXXAA when I turn it on it does its little tune the n the fans come on for about 5 secs the reboots, it does this 3 times then it goes to all 3 lights blinking, my modle has no lamp but it has 3 leds, red , green and blue. I tested the voltages from the power board the powers the leds and all the voltages were fine but no leds. i tested a 3 leds with a 9 volt battery and they all power up so I replaced the led driver boarn with a new one and now it does the same thing what else


... Samsung HCM4215W 42" Rear Projection Television

Emerson TV I was watching TV this morning and it randomly shut down. I took out the board and saw a blown fuse (f601 4A 125V) and I bought some Fast Acting 4A, 125v fuses and every time I pop one in and power up, it blows. Am I using the wrong fuse or is there a deeper problem? Thanks.


... Projection Televisions

Need Help I have a sanyo DP50747 plasma no power I replaced the fuse on the main board location of blown fuse was F181 and 180 turned ov tv and worked great untill I shut it down at that time I heard


... Sanyo DP50747 50 in. Plasma TV

My zenith plasma 42w46x tv. doesnt show pic. the sound is there but no pic. I opened it up and founf out the the board on the right side of the tv(looking at it from the back) has two fuses, one of them is blown out, and when i replace it, when the tv is turned onit make a slight buzzing noise and the the power is turned off. but if i dont put no fuse in the box it turns on with the screen black.


Hi.The board you are talking about is called Z-sus. Its role is to sustain power to the plasma panel. If the Z-sus board fuses keep blowing, then the board is usually shorted, and the repair is done replacing the board.In some case ... Flat Panel Televisions

I have a panasonic th-42pe7u, I just replaced the power supply board with a brand new one and now i get a red light that blinks 10 times consistantly, prior to the board change I was getting only a solid red light? what to check next? there are no obvious bulged caps or burnt diodes


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After reading several forums when my LG 42PC3D died, I went in thinking I had the answer. It would turn on, but then off immediately. The Y-sus board had a blown fuse. I didn't want to risk frying anything else, so I replaced the board rather than just replacing the fuse. When I disconnected the board, it would turn on and stay on. Now, with the new board, it powers up as soon as I plug it in (doesn't actually turn on, just powers up) but won't do anything. The screen is backlit with just


Y and X-sus boards should be replaced at the same time due to they way they communicate with eachother. I suspect that the x-sus is also faulty.Thank you! ... LG 42PC3D 42 in. Plasma Television

Replaced convergence fuse , resoldered flyback terminals..originally when tv went out it would not come back on..the power green light would blink a couple times then nothing..but finally TV came on..and showed convergence problem...after replacing suggested convergence fuse by tvrepair.com tried powering on the tv and the green power light blinks a couple times and shuts tv down...u can here a click ..but no picture. any suggestions?


Persistence pays off! What you found is very common and yes these sets are not real well made--good for you! ... Projection Televisions

Doesn't power up. Relay clicks several times, several seconds apart. After third click, power LED blinks three times. The OPC LED blinks once when the power LED blinks the first time. LED blinking pattern repeats every couple of seconds. Opened up TV to check capacitors. All look good. Purchased service manual, but there weren't troubleshooting steps for the power board. Any suggestions as to which board should be replaced first?


First of all you should weight the cost benefit of repairing the set versus purchasing a new one.\015\012\015\012Depending on the size and model of tv, it may be more prudent to simply cut your losses and buy a new tv rather than spend mo ... Sharp Flat Panel Televisions

Thanks for your reply for my Toshiba 65H80 question...."as watching TV (Bears/Packers) and saw on the screen what I can only describe as a small "explosion"......or flash of light and then nothing! Do have sound but that runs through my receiver. Red power button light comes on but no picture whatsoever.....?????" answer..."The deflection board has failed in the unit and needs servicing or replaced." As a follow-up....I have had this TV 11 years now...is it worth fixing? Or time to get a new one


Hi. I believe you have been given some erroneous information. The items that are faulty are actually the capacitors. They are designed to last about 30 years if they are of good quality, however from 1998 until around June of 2005 Taiwan was f ... Flat Panel Televisions

Fuse blows every time on power supply board


One of two general things is wrong here : either you have a short at the input section of the power supply--bridge should block it from getting to main input filters==== or if fuse was replaced it is wrong=explanation?Most of these sets use a ... Olevia LT42HVi 42 in. LCD Television

Thank you i have an lg 32ld550 and its tuning off suddenly, i replace the power cord and nothing, i verified the configuration about the sleep timer and nothing, i proved with a power regulator and nothing, continues turning off automatic. for the first time take a time to doit but after its turn off the first time continues doing it every 10 or 20 seconds. i want to know if i have to replace the power board how i can do it myself. its a little expensive carry out to a technician


... LG 32LD550 32 in. LCD HDTV

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

AKAI PDP4206em fuse blown on zsus board, replaced fuse and turned tv on, there were sparks on the zsus board, I unpluged tv and pulled out the zsus board,,, i dont see any damage on this board, is this board fixable? or do i have to replace it?? if so were can i find one?


You will have to replace it. The reason the fuse is blowing can also be to X-sus board as the two sustain boards are capable of frying each other. They cost you about 170$ together. If you can get me the part numbers off the boards, along with any re ... Flat Panel Televisions

Hey i have a 42 inch phillips plasma tv that blinks a red light 7 times but i have two of these tv's and took out the power supply on the working one and put in the broken one and it still blinks red light 7 times i also put the power board from the broken one to the one that does work and it still worked. so my question is what else could it be?


There three common boards (Powers supply, Y-SUSTAIN, Z-SUSTAIN) that go out, since you have two TV to try out, you should check the Z and Y sustain boards.\012What is the model number?\012Try looking here for free service manuals:\0 ... Flat Panel Televisions

My Hitachi L42VC04UB replaced a failed power board .The television comes on and after a short time it shuts down and the standby light in the front of the television flashes blue and red .This happe


Well either the TV's main (or other) board overloads the power board and it shuts itself off or the power board itself shuts itself off for whatever reason or the main board shuts off for whatever reason.With the setup you have I'd say it's p ... Flat Panel Televisions

Hi, I bought a Vizio L32 HDTV10A that didn't power-up. There were charred components on the power board (an 8-pin IC with heatsink and 2 resistors). I replaced the power board, and the power LED then turned on (yellow) when power was applied. When the ON button is pressed, the power LED turns green for roughly 8 seconds and then the power LED turns yellow again. Nothing else happens. I checked many components (fuses, capacitor ESR, diodes, etc) on the main board and the master and slave inver


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Heard a popping sound unit turned off power light blinks four times. Replaced power supply board, power supply board now blinks ten times and unit will not turn on.


10 blinks on this set is not a power supply fault but rather an A-board fault(Main A/V board). Hence replacing power supply would not do the trick. I suggest you return the board and get an A-board for +50$ and I am confident that it will resolve you ... Panasonic TCP50G25 50 in. TV

Hello, i have a samsung 42' plasma tv model #pn42c450b1d. the tv doesn't want to turn on. i plug it in and you hear a clicking noise se a red power light. also when you press the power button on the tv in the back u see a green light come on for a second on one of the circuit bords( the one under the power board) and simutanously you see a red light come on and and off at the same time on the circiut board with the av, hdmi, inputs. i looked and thier doesn't seem to be any bulging capaciters. a


Hi.As you know the TV is in protect mode because an internal fault has been detected. I think that you already tried leaving power cable disconnected for ten minutes. After connecting back restart the TV with no device attache ... Flat Panel Televisions

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