20 Most Recent Sanyo DP37647 37 in. LCD TV Questions & Answers

Its either a bad power board or it could also be the main, but power supply boards are common failure on older sets, you could remove the back and see if you see bad capacitors and replace them instead of replacing the entire board for a couple bucks if your tech savvy.

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. 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,

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/ To 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.

You can send your main board to us and we can give it a try.If it the front LED turns on for a while, then off for 1-2 seconds and then back on...we'll probably be able to help.See http://www.coppelltvrepair.com for details and shipping instructions.

Did you make sure you hooked a yellow end cable to the right jack as that is the one that controls the settings the others control the color and definition abilities

Check and replace the damaged component/s at its back-light inverter section circuit, or replace the back-light inverter board as card basis. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. http://electronicshelponline.blogspot.com/ Pull up older posts.

Check its speaker/s. If found OK, check and replace damaged component/s at its audio output circuit. Check for any loose solder terminals to the audio output IC. Re-solder all the suspected solder terminals, by applying a little more solder.To get more details, http://electronicshelponline.blogspot.com/

I am of the belief that you may need a new television

We can't predict which components have been damaged due to lightning. Sometimes, a fuse only, otherwise more other components might have damaged. Anyway, if fuse should blow out, surely there will be any more reason. You should find it out first, before replacing the fuse. If not, more damage can be occur. Check for any shorted components, diodes, capacitors etc: at its main power supply regulator board. Be sure that there is no other defect occurred.

are they on the outside of the screen--can be seen with set turned off? failing that try to get a good photo and post it here.

Check the connection wires from T'Con board to panel for damage or loose contact.