Toshiba 22LV505 TV-DVD:

The Spaminator Mar 22, 2021
Hi Dawn Thomas, the lamp is known as a back light and using a torch on the screen when tv on will confirm if the back light is the fault. it could also be a faulty backlight inverter which powers the back light .

hi
I think the problem is in the leds light of the screen they could be shorted.

your backlight may be out....I working on one with same problem...the transformer on the backlight inverter board went bad, its about 12 dollars on ebay....but in your case, would require some troubleshooting to determine if you have the same problem. there is an access panel on the back of the tv, under that is 4 connectors, they are high voltage out to the backlight lamps. you would need a volt meter to determine if the lamps are bad or the board

Hello
The T'Con board [Timeing control Board] has to be suspected for damage. Replace it. this board can be bought from the authorised service center for Toshiba at your town.

Hello!

Pleack check the "Troubleshooting" part of the manual.
Hope it will help!
https://manualsbrain.com/en/manuals/992718/?page=62

maybe the spindle motor is turning defect causing not to spin the disc naturally,its time to have to check that to the Toshiba service center

yes signal from hdmi can,t be changed.
you have to do that into the settop box

Unplug it,replug it back an hour later,the tv should set back to the factory setting.

You most likely have a defective screen - a defective inverter or a CCFL lamp or simply the video cable needs reseating. After reseating the video cable and the problem is still there then :-
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:

• Screen flashs on red/pink and off.
• Picture stays on in red and slowly be come normal.
• Picture flickering with dim display or appear black.
• Picture flickering on and off.

All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

the problem is in the backlight try to measure the supply.and replace the inverter.