Blue power light is on but no picture......olevia 537

Nope, all sets NEED a remote control. Only basic functions from the set. Just buy a new remote SPECIFICALLY for that set

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Check and replace its tuner.

Contact the nearest authorised service center for Olivia.

Hi,

Since you've already replaced the power cord and still the led light won't came on, this is an indication that the power supply board of your unit is dead. If it is not under warranty period(if so, avail it because the manufacturer will fix it for free) open the back cover and check the continuity of the fuse using the multimeter, if you found it open replaced it with the same current(ampere) ratings and then try to turn on the TV. If the replacement fuse blew again, this is an indication of more serious problem on that board. If the replacement fuse didn't resolve the issue, other parts on that board gone to malfunction as well. If this is the case, I would advice you to replaced the entire board for your convenient. The cost will almost the same rather than troubleshoot it. Check the actual part no of your board and check this LINK.

Hope I helped you.

Have a nice day!

Thanks for using fixya.

if you look closely can you see any picture what-so-ever? grab a flashlight and check to see if you see a very dark image on the screen. if so you need to check voltages coming from power supply to the inverter board - if the voltages are good - order inverter boards - if you can see the backlights on - check your Main and tcon boards..

thanks,
michael

I just bought one used and I plugged it in.. blue light on.. why iss it not working ? blue light off when tv on.. this work for this caveman.

Both picture and sound go out at the same time?

First place to look will be the power supply section, second place will be the backlight inverter board.
Need to look for bad caps, cold solder joints, etc.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

you have a faulty power supply board, check for bad caps inside , if you dont know how to do it take the tv to the shop

I am working on the same issue. It is either the power supply or invertor board. Please let me know if you find anything out. did you open the tv and check the power supply for bulging caps?

power module needs to be changed or set needs to be usb jump start