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30'LCD Monitor/TV seperate power box and seprate control unit

Monitor powers on and screen flashes on but right back off with power staying on.

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  • 52 Answers

May or may not help, but try pressing the "source" button, after turning it on..

Posted on Mar 11, 2008

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6ya6ya
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Posted on Jan 02, 2017

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2 Answers

My tv is on but the standby button keeps flashing and I cannot do anything with the remote either I've unplugged it and left if for 30 mins


What make and model of TV is this? If its a LCD tv thats more then a few years old chances are its the very common problem of failing capacitors in the power supply. That will usually cause the issue your describing. I have rebuilt dozens of tv power supplies now, the term commonly referred to now is re-capping the power supply. The capacitors become leaky and the voltages go out of tolerance and the tv will no longer turn on. If you can find someone to take it apart and check the power supply board inside that would be your best bet, otherwise its time for a new tv otherwise. There is no simple fix other then repair unfortunately.

May 04, 2017 | Televison & Video

2 Answers

The menu keeps flashing on and off. I have turn the tv off 4 or 5 times but it still keeps flashing the light on the bottom of tv goes blue then red really fast


How old is your TV? This normally indicates a power problem. It could be any of the following: power supply on the TV, faulty power strip, faulty wall outlet, faulty circuit board inside the TV, faulty power cord/plug, bad airflow/clogged vents restricting air movement into the TV (can cause intermittent power faults),bad sensor inside TV. This is not completely inclusive by any means. It does mean that you should have it looked at. Someone knowledgeable/skilled should be able to determine the cause fairly quickly using a multimeter.

Apr 25, 2017 | Televison & Video

1 Answer

I have compaq tft5000 15" lcd monitor when we


It is broken. Replace it.

If you look online for a "previously-owned" 15-inch LCD monitor, expect to pay $20 to $30.

If you go to any "big-box" electronics store, you can buy a 19-inch LCD monitor for under $100.

Either way, it's much less expensive to REPLACE it
than it would be for a professional TV/video technician to try to trouble-shoot and REPAIR it.

Jan 07, 2011 | Compaq TFT5000 15" LCD Monitor

1 Answer

My akai lcd 32.5" tv will not stay on and all it does is flash the blue screen with akai then turns right back off and i was thinking power suply might be bad. what could it be?


You could be right it sound like the power suply, has it got a AC adaptor power suply,bit like a laptop charger? goes from mains to a black box then from box to the TV?
does it stay on at all?

Oct 01, 2010 | Akai LCT3285TA 32 in. LCD Television

2 Answers

Tv screen went blank


sound like the inverter circuit board problem. check & replace back same part# inverter circuit board. hopefully could help!!

Dec 29, 2008 | Vizio L32 32 in. LCD HDTV

1 Answer

Problems with Dell E176FP 17" LCD Monitor?


Hi,
Kindly disconnect the monitor from the computer and power it on , if the screen is still blurry on the self test feature check , the monitor is bad.
You can press the menu button on the monitor and select Restore to Factory setting or Factory reset option. If the problem persists you can call LCD repair
http://www.lcdrepair.us/
Monday to Friday: 8:30 am to 4:30 pm
Central Standard Time

Phone :
469-521-7517


If you have purchased,the dell monitor seprately from the computer, it carries a three year replacement warranty.


Thanks
proton

Nov 21, 2008 | Dell E176FP 17" LCD Monitor

1 Answer

No composite input signal


`Hi,
If the monitor is making the noise , the monitor circuit baord has gone bad.
If you have purchased the monitor on a seprate order from dell it would be covered under 3 yr warranty. If the same has been bought with the Dell computer , it would hold the computer warranty. would request you call the manufacturer.

Before you call Dell , you can try the following things
1. Disconnect call cables from the back of the montior
2. Press the power button a couple of times in the front of the monitor to drain any resident charge
3. Reconnect the power cable
4. check if you see the monitor self test running and if the noise is still there with there

Thanks
Proton

Oct 29, 2008 | Dell UltraSharp 1907FP 19" LCD Monitor

1 Answer

SDM-HS73P Screen Flashes


This is a problem I have seen with a few LG monitors.
Your Inverter circuit is fine (that powers the lights to your screen so you can see the image on the LCD panel) but the monitor does not like having a video signal attached to it.

  1. Bad capacitors on the power board can upset the current going to the controller board. This board included the video input circuit and the power supply needs to be stable for this to operate.
  2. The controller IC that translates the video signal into what the LCD panel controller can understand is failing. Normally this fault occurs in the horizontal and vertical input of the IC. The fact you can see the other message on screen is due to it going through it's own internal and seperate section of the IC. In this case the only repair option is to replace the internal video board. Sony will not supply the parts directly to the public, but if you are really nice, they "may" tell you where to get one externally to Sony.
Hope that helps =)

Apr 16, 2008 | Sony SDM-HS73P 17" LCD Monitor

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