20 Most Recent Samsung HP-R4252 42 in. Plasma HDTV Questions & Answers

The X-Box will not work on the HDMI input on that model. Either use the Component input or the Composit input.

REPLACED Y BUFFER BOARD
Samsung BN96-02034A BOARD, Y BUFFER UPPER ASSY
Samsung BN96-02216A BOARD, Y LOWER BUFFER ASSY LJ92-01203A

First off there isn't a timing board in a plasma TV. I would guess you have a bad y-sus board.

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. Pull up older posts. https://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Was there any physical damage? It is running of another device. Try using another input and see if the problem is still there. Sometimes plasma tvs have burn in.

The top y drive cable is loose or dirty. Delicate job to fix.

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.

Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/. Some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

If you are looking for a particular stand. You can often contact Rescued Parts for a OEM Stand even if you do not see one in stock they can look in the back and see what they have for you. RescuedParts com LED Plasma and LCD TV Parts OEM TV Stands and OEM TV...

The capacitors on the power supply need to be replaced. When you take apart the TV, and then remove the power supply (it's the section that the power cord goes to) and open it up. Look for the little can capacitors and see if any of them are bulging on top. That is the sign that they've blown. Replace the big ones (about 5) for about $5 in parts. Reassemble and test by turning it on. Search for YouTube video on how to replace capacitors....

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/ Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Check graphic card software on laptop to make sure it's on the right settings to output image to TV.