20 Most Recent Proscan 42LA30H 42 in. LCD Television - Page 8 Questions & Answers

A blue screen indicates no video signal is coming in, Check your source menu.

Hi, If you have the model number of that Proscan TV, you will likely find the original remote for that at www.remotes.com. They don't have power cords for TVs, but they do have Proscan remotes.

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; check the site linked here. Pull up older posts. https://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. /

on the dvd itself there will be an open button --press that

Hello Arberzine Fisher, Not finding DIRECT resonating numbers here in USA... but similar MAINBOARDS here are as low as $55 guaranteed (no worries: principles remain the SAME). I do not think switching your sources is that CONVENIENT... I would suggest you FIRST attempt to follow your manufacturer's manual (at the bottom of this paragraph). ProScan PLCD3956A Instruction Manual Troubleshooting I will further complicate your concerns: HOT SWITCH of your LIVE video CABLES is typically rewarded by frying the mainboard associated with that particular video input: Shut ALL power down... Configure your cable (d'jour) and restore the POWER Even COLD CABLE connections OUGHT be considerate of (ESD) Electro-Static Discharge concerns... The slightest STATIC spark (you might not even feel) is capable of destroying a SEMICONDUCTOR. Simple protection: $6 anti-static WRIST-BAND owned by every (competent) technician in the INDUSTRIAL Electrons field... (not meaning your average SEARs home repair) Amazon com Rosewill Anti Static Wrist Strap Band with Grounding Wire ESD... Feel free to comment me back if you need REPAIR guidance.... I have written BUNCHES of directions... of assistance: DIY (do-it-yourself) will save you hundreds against a competent repair person... Much more if YOUR repair person seems to emulate the SAMPSONITE GORILLA (apologies to our Gorillas). Hope this inspires Carnac the Magnificent

If you don't want to spend a fortune getting one from the manufacturer get an ALL IN ONE at Walmart (just an example) and program from the manual with the remote package.

sounds like the left side of t-con board is failing and theyre cheap to replace approx 15 quid. or psu which is only about 30. worth fixing if the screen is not cracked or broken