52"RCA Problem.

[wadenvk]

RCA 52"
Model# LK520D3HA88-QYE

The problem I am having is when you plug the tv in I get a red led As soon as i hit the power button the led goes out and then there is a flash. and then nothing. no sound, no pic.
All the caps look ok no burns on any of the boards all solder joints look good. What should I look for next.

[wadenvk]

Re: 52"RCA Problem.

Nothing yet?

[philliesfan30m]

Re: 52"RCA Problem.

what do you mean by a flash? did you check the voltages for the connector on the power supply when the light is still red?

[wadenvk]

Re: 52"RCA Problem.

Its like the back light trys to light up.

[philliesfan30m]

Re: 52"RCA Problem.

so it tries to turn on then shuts down completely? did you check the voltages on the connector on the power supply?

[wadenvk]

Re: 52"RCA Problem.

Voltages on the plug.
stand bye light on
+12v 0
+12v 0
+5v 0
+5v 0
+5vsb 4.98
on/off 0
+5v 0
+5v 0
stand bye light out
+12v 0
+12v 0
+5v 0
+5v 0
+5vsb 4.98
on/off 4.64
+5v 0

[wadenvk]

Re: 52"RCA Problem.

Yes you can see it in the screen also then nothing.

[philliesfan30m]

Re: 52"RCA Problem.

are you sure that is the right model number? i can't even find that number

[philliesfan30m]

Re: 52"RCA Problem.

can you check the small cap in the center of the board to be sure it isn't bulging? the pic is kinda fuzzy

[wadenvk]

Re: 52"RCA Problem.

That cap looks good no bulging. That is the model # on the sticker here is another # on it a01301xpqy00001326.

[johnboy1313]

Re: 52"RCA Problem.

Where are you from? The model number and the part numbers that I can decipher don't show up on any google search that I do.

[wadenvk]

Re: 52"RCA Problem.

Minnesota. I am having trouble finding boards for this tv to, I thought it was because it was pretty new.

[truep]

Re: 52"RCA Problem.

First thing I see is that the LVDS cable at the TCON is not on correctly. Also the power supply seems to be getting it's power on voltage but isn't putting out any 12 or 5 volts.

[johnboy1313]

Re: 52"RCA Problem.

Minnesota. I am having trouble finding boards for this tv to, I thought it was because it was pretty new.

Having trouble finding boards for a new TV is not uncommon. Not finding a single advertisement, review, or website that even mentions the set is uncommon. Could you post a picture of the label on the back?

[wadenvk]

Re: 52"RCA Problem.

Here is the pic of the tag.

[johnboy1313]

Re: 52"RCA Problem.

Here is the pic of the tag.

Sorry for the confusion. I was actually referring to the label on the back cover. It might have the date of manufacture and the chasis number as well.

[wadenvk]

Re: 52"RCA Problem.

That is my fault This is the model#on that sticker and the manufacture date.
Model#led52b45rq
manufacture# 2213-le52b45-a137439 12/12

[johnboy1313]

Re: 52"RCA Problem.

OK, so we're looking at an RCA LED52B45RQ. Manufacture date of 12/12?!? Did you buy this new? You may have a warranty that will take care of this.

[wadenvk]

Re: 52"RCA Problem.

No a freind gave it to me. He got his money back on it.

[johnboy1313]

Re: 52"RCA Problem.

Sounds like a nice friend. We can test the power supply to weed that out of the equation. With all of the connectors plugged into the supply and the TV plugged in but not powered on, check the voltage across the big cap. Black lead of the meter on one leg and red lead on the other. It should read around 165V. Power the set on and check again. If that part of the supply is working, it should read around 390V. If you can post clear pictures of all the connectors on the power supply, I'll try to help you attempt to force the supply on using two resistors. I need to be able to read all of the labels for each connection.