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Matsui LM37NS1 37" tellvision that goes on to stand by after about 2 hours as if it over heating, i switch it back on and the time is reduced it well then last for about an hour and switch itself off to standby and solutions

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  • Anonymous Sep 05, 2008

    same problem hoping someone has a answer

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There is a modification on this set you need to fit a fan on top of this power supply to keep it cool because it over heats design problem it works you never have power problem with it again

Posted on Sep 28, 2008

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I had the same problem

Posted on Jun 10, 2010

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1 Answer

Matsui mat42lw507 takes hours to turn on


Check its main power supply board for the fault. Replace it as card basis.

Aug 20, 2012 | Flat Panel Televisions

1 Answer

Ce32ld33 tv sanyo turns on stays on for couple hours then turns off and stays off until an hour or 2 then switches on .i try to switch it on after about 20 mins but the little blue standby light goes...


There is a high possibility that the components over a period of heating and cooling, tend to bring on a problem of dry soldering. So my advice is to check the set for some loose joints that have played on to give you these erratic shut downs or poor performance. The best way to check for loose connections is to tap lightly when the set is powered on, if there is change while tapping then it seems that there are DRY solder joints. Remove main plug, the covers - with caution of high voltage, check for dry joints, and use a good soldering iron to solder all suspected points. Sometimes the fault occurs when the set warms up; if so you can simulate the heat using a hair dryer on the suspected areas, try with the power supply, distribution, Processor controller, driver controllers on the A/V related sections. Also the use a FREEZE-IT spray can simulate the components to cool and show up the fault. It can also be related to WEAK ELECTROLYTIC capacitors as the value can reduce in time.

Oct 04, 2011 | Sanyo Flat Panel Televisions

1 Answer

My matsui lcd keeps switching itself off and going into standby, when I turn it back on by the remote the standby light goes pale


sounds like a PSU power supply problem could be also one of your LCD lamps are going bad.

Get it checked, if you know what your doing then open it up, and look for bulging caps, or burnt area on the curcuit board.

Good luck

Apr 14, 2011 | Flat Panel Televisions

1 Answer

Tv powers off after 15-20min


chk fans 4 dust & clean if no help replace the largest visable fan approx 6"

Apr 27, 2009 | Flat Panel Televisions

1 Answer

LG 32LB75 TV stuck in stand by and won't switch on!!


TV currently on stand by and won't some back on. Only way to switch it if is by unplugging it, which I've tried, but goes straight back onto stand by.

Mar 24, 2009 | Flat Panel Televisions

2 Answers

Menu keeps popping up!


I had this same problem with the Main Menu coming up on my Dell Monitor E171FPb and I thought I would tell you what I did to fix the problem.

1. I shut down the PC.
2. I removed the power cable and video cable from the back of the monitor.
3. I removed the four screws that hold the stand for the monitor and slid the stand off.
4. I then removed the 5 screws that hold the back cover on the monitor.
5. I took two flat blade screw drivers and carefully removed the back cover.

At the bottom of the monitor case, there is a small circuit board the holds the 6 switches for controlling the display.

6. I located the button that calls up the Main Menu. It is the second switch from the left as you are looking at the monitor from the rear.
7. I used a small solder iron and heated up the four prongs in sequence while holding the switch with a pair of needle nose pliers. I had to rotate this process from one prong to the other while all the time applying slight pulling pressure on the switch pulling it away from the circuit board.
8. Once the switch was removed, I put the cover back on and tightened up the five screws.
9. Then I slid the base back in the slot it came from and tightened the four screws.
10. I connected the video and power cable and turned on the PC.

With the switch removed the Main Menu never popped up again and I am so very happy.

May 25, 2008 | Philips 42PF9431D/37 TV

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