Toshiba 52RV530U DONT TURN ON.

[crdz66]

Hello fellas.

I have a lcd tv toshiba 52rv530u that won't turn on.

I already check the power supply connectors and i get 12v on subpower supply but don't 5v.

On power supply connector can't get 12v

why i can't get 5v standby ???
I need you help with ideas or schematic.

Thanks folks

[budm]

Re: Toshiba 52RV530U DONT TURN ON.

Can we aT least see straight shot pictures of both power supply boards top side and bottom side pf the boards, and also the pictures of the whole back side of the TV so we can see how all the boards are connected together?

[crdz66]

Re: Toshiba 52RV530U DONT TURN ON.

Thanks budm for answer.
I realize that the fuse f840 2a 125v it is on short.
I bought the subpower supply a week ago and this saturday I going to proceed to check the tv again.
Oh, by the way. Which pin do I need to short for turn on the tv. Since this connector doesn't show ps_on?
Thanks

[tvtimmy]

Re: Toshiba 52RV530U DONT TURN ON.

I bet he could tell you a bit more if you do as he has requested...(pictures, voltage readings)
You have to help all of us to help you and the rest of the world fix these P.O.S. ( pieces of shit, or shite in some of of friend's homelands)

[budm]

Re: Toshiba 52RV530U DONT TURN ON.

These boards matched your boards?
http://www.shopjimmy.com/catalogsear...shiba+52RV530U
Service manuals:
http://elektrotanya.com/?q=showresul...oria=&kat2=all

Check the those Voltages in standby and when power switch is activated.

[crdz66]

Re: Toshiba 52RV530U DONT TURN ON.

Thanks budm for the manuals.
After replace the power and sub-power supply the tv is working again.
Something I never get it was the 24v on the power supply.
That's way I replace the power supply.
The sub-power supply was a short on a fuse .

thanks

[Skecentopo]

Re: Toshiba 52RV530U DONT TURN ON.

Hello Everyone,

So, the main TV our family has in our living room simply would not turn on this past Sunday. It was a major bummer because the NFL season finally restarted and we couldn't watch the games on it.

Anyway, its a*Toshiba 52RV530U, a 2008 Regza model.* Here are the facts I am using to try and determine/resolve this:

1) Not the socket/plug.*I tried using different sockets, extension cords/power strips, didn't help. Keep in mind I am using these same cords/strips/sockets with other devices and they work without issue for those devices so that's not the problem.**

2) Not the power button on the Regza itself. My mom has a another Toshiba model TV in her room and we had used that TV's remote on the Regza without issue before. The remote is now unresponsive to the Regza and works perfectly on her Toshiba. I thought that maybe it was the power button on the Regza itself. Well, that theory is debunked when a remote's power button also doesn't work and it works on other units.*

3) Not the fuses or the power cord.* I did take all the screws out when the Regza was unplugged, to prevent any shock, and looked at the interior, at all the circuitry. I do not see any damage. Furthermore, the two fuses which I surmise are for the main power supply and the sub-power supply are both intact as in not blown/the filament is not broken. The power cord itself I was able to cleanly detach and reattach with ease, it also does not show any damage.

*Now, I know just because these items do not 'look' damaged does not mean they are not.

I only wish I was a professional repairman. Having said that I have fixed my fair share of electronics over the years. I admit, I am out of my element here and kindly request any and all help. In my aforementioned previous experience, replacing the power source/supply is usually the correct fix.*

Sound out in the comments. What do you think?

Thanks!

-JT

[dick_barton]

Re: Toshiba 52RV530U DONT TURN ON.

You really need to provide some pictures of your boards. Occasionally a problem can be spotted. Also on page 2 of the mauual Budm provided above (post #5) it gives the voltages you should have. You need to verify that you have these voltages at the various pins for the connectors shown.