Question about Philips 27PT543S 27" TV

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Primary section,when i plug the AC cord and push the power switch the fuse will explode..pls give me some tips to trouble it??

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  • richardwi113 Dec 18, 2008

    the power button will not stay on.

  • Anonymous Dec 28, 2008

    Philips 27PT543S 27" TV



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Have you tried another outlet in the house? If it still blows a fuse there could be an internal issue in the TV regarding grounding. Can you temporarily connect a microwave oven or similar device to that outlet to see if the fuse still blows? If it continues to blow, you can at least rule out the TV being the cause. Is the TV new? Has any recent electrical upgrades been done? Are you using an extension cord or plugging the TV's power cable into the Cable/Satellite box instead?

One important step to do regardless for all sensitive electronics is to perform a power drain by unplugging the device or removing batteries followed by holding in the products power button for 1 minute. This flushes out the capacitors and circuit board of any electricity that can prevent normal functionality.

Posted on Oct 14, 2008


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1 Answer

My aiwa tv has no power

what you can do is trouble shooting of the tv unit. first place to be check will be the powers supply section check weather the primary fuse get blown. if ok check the regulator and the bridge type diode which shorted. if all good, next will be the horizontal output transistor or an open resistance going to the b+ of the flyback transformer.

Oct 04, 2012 | Televison & Video



1.Do not power on .
1 .1 Please check AC cable if connect to AC plug. Is true the connector don't connect to AC plug. Please connect it.
2.2 Please check AC cable if connect to AC power. Is true the AC cable don't connect to AC power. Please connect it.
3.3 Please check power board of fuse if broken. If the F1 fuse is broken, Please pull out the AC cable from AC power. Please check AC L power and AC N ground by multimeter, The read number is infinite, the fuse is broke. Then look up power board if not burn out place. Is true it. Please change power board or be changed power board.
2. The power on switch of green extinguish.
2.1 The power of led(indicator light) is red light, To touch power on key when indicator light wink. Is true that the power DC output have somewhere short circuit. Check connector J39,J31 .If not connector direction is wrong. Or the mainboard somewhere of power short circuit.

Electronics Equipment Repair Center

on Feb 14, 2015 | iLO Televison & Video

1 Answer

Tv won't turn on

if no any light indicator at the front panel of the tv, the cause is either failed in the primary power supply section or their is a shorted line at the horizontal section. you must need a trouble shooting which you need a proper device and tools.

Jul 18, 2012 | Televison & Video

1 Answer

In the middle of tv being on, it suddenly went off and cant be turned on. Power is on to all other componenets

The trouble of your tv is the power supply. Try to open the back cover of your tv and try to check the fuse if busted. But be sure to unplug your tv first before engaging in trouble shooting. In order to find the main power supply, try to follow the ac cord it will direct you to the power supply then try to look for the fuse, if you see the fuse try to observe if the fuse wire is only broken try to replace it with the same rating, if the fuse is totally burned out do not just replace it, it has a shorted parts commonly the regulator and the bridge type rectifier.

Jun 10, 2011 | Philips 34PW8502 34" TV

1 Answer

What should i do when my television doesn't turn on?

if your unit is dead set totally no power at all even led indicator the first step is check your AC outlet make sure the supply is present then check broken AC cord for your TV unit. then next step is to open the back cover for trouble shooting, try to use your senses first to diagnose defective part smell burnt parts, wirings, connector or even PCB. look for blown fuse and leak capacitors especially the output filter capacitor at the power supply which cause sometimes by over heat where in the capacitor casing explode, the temperature was exceed to the rating.and then use digital tester try to power on check the output voltage of power supply if present and normal according to its label.

Apr 28, 2011 | JVC Televison & Video

1 Answer

No power to tv through power cord yes

good day

the problem of your unit is on the power supply...the power supply is the that gives supply to all of the board that TV have....
I give you some tips to perform a troubleshooting...this solution is for D.I.Y and simple trouble shooting only...if this is not successful the trouble of your power supply is major and its very difficult to repair..
so if that case happen I suggest to purchase a new power supply..

your power supply looks like this?


first,you have to remove the cover of your TV..
secondly,after you remove the cover..the power supply will reveal and remove it to perform trouble shooting by unscrewing it
thirdly,check the fuse..if busted replace it and check some shorted transistor and diode by using multimeter tester...
fourthly,also look for leak or bulging top capacitor..if found replace it..also check the open or change value resistor..
and finally if you found any defective parts test it by plug in the ac supply to your power supply unit and check the output voltage...if you got 5v,24,and 16vdc it means that your power supply is OK..and if not,your power supply got a major trouble..your option is to give it to the qualified technician or purchase the new one..

if you are purchase a new power supply I give you a web site to order..

thank you very much and good luck

Apr 10, 2011 | Protron PLTV3250 32 in. LCD Television

1 Answer

Plug dvd into power and get no display or anything from unit

good day sir
your DVD got trouble in the power supply that gives a power to any kind of electronic devices or appliances.. to fix that problem I give you step by step and simple trouble shooting for power supply.
first,open the cover of the unit by removing all screws that fix the cover
secondly,if you have a tester check the continuity of you ac cord or power cord..then if it is good look for any leak/bulging top capacitor
thirdly,check the fuse if busted.....replace it only with the same type and ratings
fourthly,after you replace the fuse if have to check also the power transistor or what we call is the one with heat sink on the body..if it is shorted replace it with the same part number and do not use imitation..
and finally if you got all of that try to power it on again and measure the voltage output if there's a 5vdc and 12vdc

thank you and good luck

Apr 05, 2011 | Televison & Video

2 Answers

When I press the power button the blue power lights come on then go right back off. It just won't continue with it's POST.

Try talikg out the battery then plug it in using the ac adapter and see if it boots, if it does not boot more than likely it's the motherboard.

Feb 26, 2011 | HP Pavilion dv6208nr Notebook

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