I need to reset lamp timer for RCA tv I already place bulb in

Probably not. You need to get into the "utilities" menu, which is only accessible via the original remote (or possibly via buttons on the TV).

It was fairly simple. Basically you have 2 screws that hold on the cover panel on the right side of the TV. Once you take off the cover, you'll then see a metal tray with a handle. That has 3 screws, you can then pull out the tray and see the bulb/lamp. The lamp has 3 more screws that hold the little brackets that hold the lamp in place. Last you have the 2 power wires. One is connected by a screw on the left of the lamp, the other is attached by a nut and a washer on the back of the lamp, where you would usually screw in a normal light. The two wires are just connected to a single plug to the right of the lamp which you can remove, you get the new lamp with the wires already attached. All you have to do is plug it in after you mount it back up. Here is the info on purchasing a lamp, sorry but I am still in the process of learning how to reset the lamp indicator light
To reset lamp timer press and hold ENTER or OK on tv display and MUTE on remote at the same time for 5 to 10 seconds, lamp reset box will pop up you can then reset.

I just replaced the bulb/lamp on my LG RU-52SZ51D TV. It was fairly simple. Basically you have 2 screws that hold on the cover panel on the right side of the TV. Once you take off the cover, you'll then see a metal tray with a handle. That has 3 screws, you can then pull out the tray and see the bulb/lamp. The lamp has 3 more screws that hold the little brackets that hold the lamp in place. Last you have the 2 power wires. One is connected by a screw on the left of the lamp, the other is attached by a nut and a washer on the back of the lamp, where you would usually screw in a normal light. The two wires are just connected to a single plug to the right of the lamp which you can remove, you get the new lamp with the wires already attached. All you have to do is plug it in after you mount it back up. Here is the info on purchasing a lamp, sorry but I am still in the process of learning how to reset the lamp indicator light...

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Zenith Part Number: 6912B22002C
LG Electronics Model: RU52SZ51D

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Here is how to reset the lamp timer.
lamp reset on lge :to reset lamp timer press and hold ENTER or OK on tv display and MUTE on remote at the same time for 5 to 10 seconds, lamp reset box will pop up you can then reset lamp.

Check capacitors cp624, cp647 1000uf@35v each. They are in the power supply. Can be seen with bulge on the top. Seems to be a common problem with this model RCA.

You probably need a new projector bulb. Google up your model and buy the best warranteed one you can find. Buy a "caged assembly" and not just a bare bulb.

Then unplug your tv and get a screwdriver. Follow your model's instructions and just snug down the electrical screws. Do not overtighten them.

Then consult your manual on how to reset the lamp timer so it knows you put a new bulb in and fires up from the first try.

Treat yourself because you've just saved yourself a trip from a repairman!!

Web site was no longer available last time I checked. HOWEVER...if you go to www.fixyourdlp.com they have step by step instructions. It is really quite simple. I have changes mine twice in the 5 years that I have my 56" Vivitek. Start out by unplugging the TV. On the back you will see 2 screws to remove the lamp door. Once open you will see the lamp holder which is also held in by 2 screws. Once they are unscrewed the canister and lamp can be removed. Use rubber gloves when replacing the bulb. You will need a phillips screwdriver and a needlenose pliers. There is one phillips screw on the side of the bulb to remove and a nut on top that needs to be removed. Pay attention to the 2 wires connected to these points and be sure to put them in the same position when hooking up the new lamp. Once the screw and nut is removed, you will see a spring clip extended from behind the lamp to the front of the lamp container. It clips in the front and the tention holds the lamp in place. Remove the spring clamp and the lamp will come out. Put your new lamp in place, replace the spring clamp as it was (This is the hardest part because of the tention of the spring and getting it back into the cutout **** for the wire spring), then replace the nut and phillips screw and you are ready to plug it back into the TV. Be sure to replace the lamp box properly. Look at the 2 wire connections and align it with the connections inside the TV. Once inserted, tighten the screws on the box, replace the lamp cover and tighten those 2 screws and you are finished. Plug your TV back in and turn on your TV. NEXT...remember to reset your lamp timer when finished. That is done with your on screen menu. Go to System Info and look for "Reset Lamp Timer". Once there, select "YES" to reset the timer to zero.

Have you reseted the lamp timer of your tv? if not, you should do it, because it's just adding more and more hours to it to the ones it already had and it's indicating the tv that the lamp is going out, reset the lamp timer and you should be fine, if not, it's probable you might have a defective ballast which are not expensive, they're way cheaper than a lamp, they're running around 70 dlls

Go to the menu and you'll find lamp timer section.

So far I have entered the service menu (both menus together) then selected Lamp Replace (option 14) and then pres ok to reset. Version and Lamp (option 11) now reads Lamp life (Khr) = 8 and Lamp use (Hr) = 0.

"paison" was correct and his solution did work for me. Make sure you first select TV on your remote. Now hold down the dvd/vcr button at the bottom of your remote while also holding down the "volume down" button on th front of the TV. Hold until a "Blue Reset Menu" appears on the screen and say the timer has been reset. Noe just follow the on screen instructions.