Devant smart tv 50 " standby light blinking no image
25:38
BACKLIGHT REPLACEMENT | REPAIR POWER SUPPLY | DEVANT
25:15
devant 50 smart tv power suply convertion
18:15
How to Fix Devant 50" frameless smart tv no display?Secret revealed!
5:48
DEVANT 32STV103 Tv Unboxing
5:38
LG 43" Smart TV. Sound but no picture, Repaired.
18:50
How to identify the right optocoupler. " Power supply Modification"
22:35
devant smart tv board stanby red not turning on galing sa isang kapwa tech
20:16