Question about Panasonic CT-27G14 27" TV

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Fuse blows. Hi, My tv keeps blowing up the power fuse 4amps everytime i press the power switch on the tv. I replaced the fuse,and it blows again. I belive there is a short cicuit somewhere Could u tell me which components should i check. thanks in advance.

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Re: fuse blows.

Please check for shorted diode or condenser at power section.

Posted on May 29, 2006

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Fuse blows off near on/of switch

Fuse keeps blowing indicated that you have a short on the power supply section. This can't be fix by replacing the fuse alone. For more info click the link for more info.
You can isolate the trouble if you have a knowledge in electronics and have tools and test instruments or else look for a qualified technician to troubleshoot the power supply. This is quite fixable.
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I am looking to know how many amps should be the fuse of sinotec lcd tv 32"?? to replace a broken one?? thanks


The Ampere capacity of the fuse depends on the voltage to which the device is working now. If your Tv works on 220 or 230VAC; use a 4Amps slow blow fuse in place. If it works on 110VAC, use a 6Amps fuse of type mentioned above. OK.

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1 Answer

TV won't turn on

take the back off the tv and inspect the glass fuse off the ac power cord, it will probably be black and open, this is a common problem, it blows because the degaussing circuit works too slow, the original fuse is an 6.3 amp fuse, you need to replace it with a 6.3 amp slow blow or a 7 or 8 amp fuse to keep it from blowing, if you put an original 6.3 amp fast blow fuse in it, it will work for a while, but will blow again someday.

Sep 07, 2009 | Panasonic CT-32SX12 32" TV

1 Answer


You have a blown fuse. It should be a GMA7 amp or a 5 amp. You could try to replace it and see if your TV works again. If it blows the fuse again, then there is something shorted causing the fuse to blow. Then call a good TV Tech.

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1 Answer

Blows fuse when turned on

this is a normal behavior if one of the power supply transistors have blown. take the unit to an enlectronics repair. they can either change the transistors affected (usually more than one) or replace the power supply board.

May 29, 2009 | Sansui DTV3200 32" TV

1 Answer

Fuse inside tv keeps blowing

Hi there!
If the fuse rating is correct as indicated on the board, then the PTC is probably busy going faulty. If not sure where it is located, normally on the front where the switch is and where the coil that sits around the tube is connected to the board. Little plastic box with three pins(sometimes two) black or cream in colour. Some circuits use a disc type with 2 legs, however not sure on your set. This is called the degausing circuit and demagnetises the tube every time you switch the TV on. Good luck, JUS004

Mar 16, 2008 | Sanyo DS31520 31" TV

2 Answers

Main fuse blown on CT-32G11 32" Panasonic TV, Replacement fuses continue to blow.

If the main fuse keeps blowing, check the horizontal output transistor for a shorted condition and diodes in that section as well.

Jan 12, 2008 | Panasonic CT-32G11 32" TV

2 Answers

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Tv keeps blowing fuses it is due to short ckt in your tv in 1 power supply. 2 horl output section it is mainly due to 1 switching transistr 2 main fil cap 3 rectifier diodes 4 print short 5 h/output tra. 6 eht transformer

Sep 25, 2007 | Proscan PS36810 TV

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RCA big screen tv

whenever fuse blows every time it is the indication of short circuit in tv. so please do not put fuse unless you know the cause of blowing fuse. these are the reasons of blowing fuse. 1 main filter cap.short. 2 rectifier diode short. 3 swithing transistor short 4 horizontal output transistor short 5 caps & diodes connected to flyback transformer short. 6 print short. 7 at last if every thing ok then flyback transformer defective. hope this will help. if you are not a tech person call skilled tech to fix it. good luck

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There is no reset button on these new sets,your set has complete power problem since you have no lights no clicks,this might have happen because of lightning or power surge,either one creates a lot of damage,if you are familiar with tv service you can check the main fuse,he should be close to where the power cord comes in,if you find the fuse blown it needs to be replaced with an exact replacement for AMPS rating and VOLTS rating as well as size,if the fuse is blown black we might have more problems ahead in the circuit and it will blow up again as sonn as you plug the tv back in,if it blows again it will need a more involved repair,the problem could be in the primary side of the power supply,if you are not too familiar you should seek the help of a servicer a least for an estimate but if you suspect power surge or lighting damage dont invest any more on this set and get a new one.

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