Zenith factory reset - RCA 50in Tv M50 Wh 92s Dlp Hdtv Works But Has White Dots

Does it work correctly with the remote?

Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/

In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

ZENITH SC652 Concierge Commercial TV Remote Control buy a master remote then,

Press the "Power" button on the Installer's remote control to turn on the TV.

2 Press and hold down the "Menu" button on the remote for about six seconds until the menu disappears.

3 Press the "9," "8," "7," "6" and "CC" buttons in succession. This resets the TV to factory default settings

Read more : http://www.ehow.com/how_7393497_reset-zenith-concierge-television.html

Try a hard reset first. If it do not help you, the firmware to it is corrupted, and should be updated. There are two types of reset to TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight; will be better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.

Here's a link to the manual and I can't find anything about factory reset. http://www.hdtvsolutions.com/pdf/465B(zenith)[1].pdf Why do you want to reset it?

Reset the TV to its factory settings. If it do not help you, the main system memory IC should be replaced. To reset the TV; unplug it from AC mains wall socket, and re-plug it back after five minutes or so.

The lamp timer on a LG/Zenith projection television can only be done by a technician with a factory service remote control.

mute on the remote and menu on tv

service mode and go to factory reset

Hello Was wondering if you ever found anything out how to reset the IC Screen Numbers or what the factory numbers all are on the Zenith Rear Projection TV Model # R57W46? I have the same problem ! My 2 year old son, not knowing how he did it cuze only a technecian is suppose to get into this screen, but he did change numbers in the too. I called zenith themselves and no luck ! My screen is bowed , etc.. Any Help ?