Question about RCA HD52W56 52" Rear Projection HDTV

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Flyback was fine

We checked the fly back and it was fine. Could it be anything else why the TV don't turn on right away.

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Good idea

Posted on Jul 13, 2008

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  • RCA Master
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Diode DL030 check to make sure that diode isnt shorted or open.

Posted on Jul 12, 2008

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1 Answer

Can a trahsformer from another 52 inch rear projection phillips tv work ,the flyback that is?


How does he know the fly is bad? Is he getting B+ to the horiz. ckt? Did he ring the fly? Was the H-out transistor bad--or is this one with the 2 outs on the flyback board? If the number on the fly is the same as the other one--it should work--IF it is really bad.

May 05, 2014 | Televison & Video

1 Answer

2165mt sony , when switching on after 1 minute horizontal transistor always shorted


better remove the flyback and bring it to the spare parts vendors who has a flyback tester and let them test it to their apparatus...or test the hv diode located at the side of fly back by your self if it got shorted (but mostly it doesn`t happens).look at your diagram and write down the original part number of transistor and it`s original trade mark and replace it after you checked the fly back and the diode(sometimes imitations don`t lasts long).

Jan 31, 2014 | Sony KV-32FS13 TV

1 Answer

Partial vertical collapse, picture and buzzing sound


Check the solder joints on the vertical IC. If you reflow the joints and the problem persists replace the IC. Buzzing sound may be the flyback or something dealing with high voltage. Take the back of the TV off and see where the sound is coming from and see if you can see anything when you turn the TV on. Stay away from the TV and don't touch anything when turning it on.

Dec 28, 2012 | Panasonic CT-27G23 27" TV

2 Answers

I need the fly back number for a s 29 inch Ultra Slim Color television


Most newer sets do not have such a part (PLASMA OR LCD)---if a regular tv set call the maker with the model number for this information---Google that model number to see if it even has one----sets with this part are going away very soon.

Apr 18, 2012 | Sharp Televison & Video

1 Answer

I'm trying to fix my 21 inch JVC TV, its on standby mode i detected the problem it was Horizontal output transistor, when i replace it with new one it work but after 24 days it got shorted again so i...


depending on circuit design in some TVs when flyback becomes defective then (1) only flyback gets deffective or (2) flyback & 1 transistor big in size fixed near flyback gets deffective or (3) flyback,big transistor & resistor or diodes or some times ICs will get deffective ..........so flyback replacement is compulsory + which ever components gets deffective ....... usually flyback gets deffective after 4yrs (between 4yrs to 12 yrs depending on TV brand & usuage ) .............so in your case along with horizontal transistor replace flyback also ..................... Remove that flyback from main board ? using marker make a mark (1 dot on knob & at the same line put another dot on flyback --- these 2 dots should be in same line ) on all the knobs on fly back ....now turn all the knobs one by one in anticlockwise direction slowly until it stops .... Then observe from the mark which you made before turning .. --- you will get an idea which knob howmuch it was turned in anticlockwise direction.... now take flyback to electronic shop & buy same type ( equivalent will not work )......at the shop itself check part number , number of pins & their position of old flyback with that of new flyback ----- everything should match 100% - nothing less nothing more .... it should be exact .... check many shops...now turn all the knobs of new flyback in anticlockwise direction very very very slowly until it stops....now fix it to mainboard very slowly & carefully....don't forget to connect red wire from flyback to TV TUBE ...again iam repeating don't forget to connect red wire from flyback to TV TUBE .... Now observe mainboard carefully whether any connector is not connected ....now connect only tv powercord & stay at a distance & switch on Tv for 2 seconds & then switch of immediately....during this 2 seconds TV gets on & led also gets on continuosly (won't blink) & there should not be any smoke or sounds on main board ...this confirms you have replaced flyback without disturbing other components & not shorted any joints..... so now again switch on tv ..wait 3 or 4 seconds ...led will be on but there won't be any picture ... Don't worry ....in the beginning you have observed howmuch knobs on your old flyback were turned in anticlockwise direction....remember..? see your old flyback again.... Now using suitable screew driver turn all the knobs on new flyback in clockwise direction one by one very very very slowly ...untill as it was in old flyback ( approximately ) --- remember TV is in on condition ... means high voltage will be there ... bymistake if you touch any part of the tv .. you will get very severe shock.... So be very very very carefull ..now while doing this adjustment observe what is happening on the screen - how brightness is changing ... Now switch off tv....connect signal ( antenna or dvd or cable..) & again switch on TV ....so now depending on brightness & clarity of the picture ..looking at the tv screen again you have to turn 1 or all the knobs on flyback either in clockwise direction or in anticlockwise direction very very very slowly ..once you start doing this adjustment practically then automatically you will come to know which knob should be turned . in which direction - & howmuch it has to be turned .... But remember this adjustment is very important .. Sometimes it will take 30mins to finalise the exact position.of knobs .. so take your owntime & finalise the exact position of those knobs..then switch off tv ..fix back the tv cover .. then switch on tv again ....that's all .......100% GUARANTEE again your tv will work normally ....vishnuswamy_23.jpg

Aug 31, 2011 | JVC Televison & Video

1 Answer

Flyback shorted, trying to replace


astimagnetic.com:flybacks.video heads,laser pickup and more...

Jul 08, 2009 | GE D52GW12 52" Rear Projection HDTV-Ready...

1 Answer

Rca truflat 27"


chanche the fly back

Oct 24, 2008 | RCA TruFlat 27F520T 27" TV

1 Answer

When the TV is swith on,the clicking like noise and the red indicator blinks continuesly.


fly-back has a leak im sure with that.try to check the flyback for blue colored current that goes out from it. this causes the noise, if it has then you can use a sealant to seal the leak

Mar 30, 2008 | InFocus SC-MOTGRY-106H MOTORIZED SCREEN

1 Answer

Flyback


FLY BACK MEANS WHAT? is it flyback transformer or pulse fron eht to afc ckt. fly back transformer are available according to kit like toshiba sanyo philips

Sep 19, 2007 | Prima C2012 TV

1 Answer

I replaced the bad capacitor and now!?


Are you sure the flyback was clicking? Usually it arc's inside or externally to metal chassis. There is a relay that clicks on & off , which could be what you are hearing. Your bad cap, is it in the power supply or near the flyback? A regulator is more of a possibility than the flyback.

Jul 21, 2007 | Panasonic PT-47WX49 47" Rear Projection...

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