Question about Apex Digital AT2702 27" TV

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Need power board forGT3215

Capacitor C890

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If capacitor is bad replace don t need a power board

Posted on Jan 16, 2009

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How can i fix a rca tv, mod. 27v412t cuts on and off?

this kind off problem is related in power circuit board or may be the main board ,kind of electronic problem, not mechanical ,related with electrolytic capacitor,may be two or three or one,this is dried up capacitor,or devalued capacitor in rating or leaky capacitor,or broken leg capacitor,one pin break in the bottom of capacitor main causes are heat or power serge or getting aging old ,because these capacitor not functioning ,therefore no enough voltage for on off TV function,so TV wont come on,some times come on,some time press power button lot of time then come on,now it wont come on at all completely,these or the symptom of intemittent power button function,peoples think that button have only the problem and replaced the power switch only and tv should work ,but deep down lot of work in circuit board analysis and repair work needed.,to make TV function normally.

May 10, 2014 | GE 31GT740 31" TV

1 Answer

Blinking LED light flashing. It is normaly steady orange until set is turned on then it is a steady green. I have unplugged the set to see if it will reset itself. Did not work.

Hi Donna Jared,

First of all, thank you for posting your question here at

The symptoms you've mentioned >>> blinking of the LED in orange <<< means that the power supply board of your unit gone to out-of-regulation condition and sensed by the feedback circuitry.
It will not power up unless the faulty parts are isolated. Most of this symptoms is caused by faulty(leaky/dried) filter electrolytic capacitor on the power supply. Leaky capacitor has a physical indication of fault like bulged/dome at the top and can be easily identify through visual inspection. See sample picture of leaky capacitor with dome at the top.


If your unit is not under warranty period(if so, avail it because the manufacturer will fix it for free), open the rear cover and inspect the power supply section(this is where the power cord's directly connected). If you found them on the board, replaced it with same capacitance and working voltage that is printed on its body itself. For more info, watch the video below.

Dried electrolytic capacitor has no physical indication of fault. Not all capacitor that are look physically fine are in good condition, only the capacitor checker/tester can reveal its condition. If you are going to DIY, you must have necessary tools and test instrument and know safety precaution working on the power supply board because there's some component that store electricity that can caused injury(electric shock) even the unit is unplug from the outlet.
Also, check for bad solder joints(cracked/dried/cold solder) on the board, it can caused the same symptoms and very common on the set after 3 years because of heat build up on the parts while on operation. It is hard to spot, I would advice you to used magnifying glass and work on the brightest area or used table/portable lamp to find them on the board. Re-solder the suspected joints as much as possible.

If you can't troubleshoot the unit yourself, I would advice you to ask for an estimate first to your local repair shop to have an idea how much money you are going to spend sending the unit in to decide if it it is worth to repair or not.

Please let me know if you need further assistance.

Goodluck and take care!

Kind Regards,


Dec 10, 2011 | Jensen Televison & Video

1 Answer

When in standby the led standby light will flash for about 10 mins, normaly late at night


The problem is that there is a bad capacitor on the power supply board of the television.Therefore it is going to keep acting that way until the bad capacitor is replaced.

Run a check on the power supply board, you will definitely see the bad capacitor, have it replaced and the television will turn on after reassembling the television back together.

Thank you for using fixya

Sep 12, 2011 | Sharp Televison & Video

1 Answer

Tv stayin on stand by


The problem is that there is a bad capacitor on the power supply board of the television.Therefore it is going to keep acting that way until the bad capacitor is replaced.

Run a check on the power supply board, you will definitely see the bad capacitor, have it replaced and the television will turn on after reassembling the television back together.

Thank you for using fixya

Sep 12, 2011 | Sony FD Trinitron WEGA KV-32FS210 32" TV

1 Answer

My tv won't turn on and there is a blinking red light on the front?


The reason your television keeps blinking the red light is because there is a problem inside the unit.

The problem is not from the power panel, because it is supplying the power, it is from the main board because it is not receiving the power from the power panel that is why it is blinking the red light.

Have it opened and carefully access the main board of the television, and check for any burnt capacitor. Once you have found it, then you can replace the capacitor with a new one. To chane a capacitor, you will have to turn the panel to the other side where you have the tip of the capacitor, then melt it off with a soldering iron, then replace it and solder the new one back in the same spot.

Be very careful in order not to damage any other part on the main board.

If you are not familiar with such technical activity, i will advice you seek technical assistance from a technician.

Take care and good luck

Oct 15, 2010 | Toshiba 32A33 32" TV

2 Answers

Power on

The power board has parts going out on it. A slow decline in performance usually points to a bad capacitor or power transistor. Take a look at the power board. The board will show extreme overheating evidence if you had a meltdown. If it looks clean, maybe it is just a bad capacitor. If you see a capacitor that looks like the top is bulging out, that is a sign of a bad part. Unless you like to solder, consider this tv done for.

Nov 14, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

2 Answers

Buzzing in television

Sounds like power supply buzz. Usually means dried- out electrolytics, U need a serviceman. Could be frame buzz, but I think unlikely.

Jan 19, 2008 | Sanyo DS24425 24" TV

1 Answer

TV power supply problem

.01 mf 2000 volt. in flyback circuit .it is a timing capacitor. the red high voltage block is bad and that took out the capacitor. also check the horizontal output is probably shorted.

Aug 25, 2006 | Sony KV-27V26 27" TV

1 Answer

Resistor on power supply board

Dear Biigjohn, First, first C613 means that it is a capacitor, not a resistor.And It seems to be a electrolytic Capacitor.If it has burst, then it's can will be inside. just search. the details of the Capacitor will be on it. most likely it will be a 10mfd 160V capacitor. Check and replace.

Aug 14, 2006 | Sony KV-27V26 27" TV

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