Question about Zenith A60M91W 60" Rear Projection Television

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No power I came home after vacation turned on the tv, it came on and went off. Checked it, found a blown fuse, replaced it. As soon as I plugged it up, it smoked one of the resistors. I replaced the resistor, and it smoked the new one, without blowing the fuse. Is there a voltage problem or something worse, thanks in advance.

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Re: No power

Check the capacitors in the circuit with this R

Posted on Jan 02, 2007

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WS-55909 convergence problem turns now into F9A04 Fuse issue

I had this happen on my WS55909 about 2 years ago. I dont remember what the circuit id's for the fuses were, but out of 6 fuses on the middle board, the two in the middle were blown. I traced the circuit schematic and found that only the convergence IC could cause these fuses to blow. It sounds like you already put in a new convergence IC (the one with the big-*** heat-sink which probably also needs a fan) but you need to make sure all those fuses on that board are still good. After I replaced that IC, my TV still didn't work. I went and double checked for continuity of all the fuses on that board and one was blown (after checking all of them and replacing the IC). Replaced it and the TV has worked ever since. Total repair cost was 23 bucks. Professionals recommended that I would be better off just buying a LCD TV than fixing my rear projection TV, but I still dont think you can get one of those as big as 55" for only 23 bucks! ****. BTW, mitsubishi would probably tell you otherwise, but you don't have to use those "littlefuse" fuses. I soldered in a fuse-holder for a glass fuse of the same value (5amp 125v in my case) that can be purchased at radio shack. A fuse is a fuse. My TV never burst into flames.

Apr 06, 2010 | Mitsubishi VS-50501 50" Rear Projection...

1 Answer

My wharfedale lcd42f1080p just went bang when plugging it in!!

Sounds like something else in the power supply. The surge inrush current could have blown the bridge rectifier. (device which changes AC to a pulsating DC for the power supply). You may need to have the power supply serviced or replaced.

Apr 15, 2009 | Projection Televisions

1 Answer

No power to tv

The power management and protection circuits have taken over. There is something taking too much current and the protection system has shut the system OFF to prevent further damage ...............if you are familiar with tv service you can check the main fuse that 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 soon 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.......Check horizontal output transistor.............

Feb 04, 2009 | RCA HD52W59 HDTV Projection Television

1 Answer

HCJ552W 55' samsung rear project....won't turn on

dear friend you have a power supply problem, get one of those cheap meters and open the set, look for a blown fuse, if they are ok wich i doubt, you have to call the repairman.

good luck

Oct 23, 2008 | Samsung HCJ552W 55" Rear Projection...

1 Answer

When t.v. is turned on, black picture and no sound.

Usually when the fuse blows its due to a component being shorted and if you increase the rating of the fuse you can cause other components in the circuit to blow. The pop you hear was most like a capacitor on the D board. The D board is no longer available from sony as its listed as discontinued. You will most likely have to have a qualified sony service tech trouble shoot the circuits on the D board to locate the short as it will be outside the scope of a do it yourself type of repair

May 16, 2008 | Sony KP-61HS10 61" Rear Projection...

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Fuse Blowing Repeatedly

if you are not a tech have one check your tv,the voltage regulator is shorted and needs to be replace.this component can be found in the power supply.i do not have the part number and location as i have no schematic for this set.

good luck

May 03, 2008 | Projection Televisions

1 Answer

Tv Fuse Blown

Depends on how hard the fuse blew. If softly, perhaps 1 amp diff is too much.

If hard - blackened inside - then you need to call in a tech.

Mr Bob

Dec 22, 2007 | Pioneer SD-P55A3-K 55" Rear Projection...

1 Answer

Follow up on "no power to my tv"

3d picture ...sounds like to me a convergence amp issue...what type of tv is this?

Dec 01, 2007 | Projection Televisions

1 Answer

Tv went off by itself

When you turn the tv on all the voltages come up for a second but the power supply is sensin a problem and it kills the high volatge and other voltages.One of the voltages the supply sends has a short.The tv needs to be service because components need to be checked and then replaced. Be safe and Seek the help of a technician to diagnose the problem.

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