LG 50LF6100 No picture, working backlights. [Problem] Tv has no picture at all. I opened it on up and the backlights are flashing just fine. I had replaced the power board initially, to no avail. When I disconnect the main board from the power board I get no backlight at all. Any suggestions on further troubleshooting?
Adjust the brightness/contrast options in the video menu. If the problem persists, try resetting the TV: Hold the VOL- and MENU button. While holding these buttons, press the POWER button and let go of the POWER button only. Wait 5 seconds then let go of VOL- and MENU buttons. Wait for a while (approximately 30 seconds).
after disconnecting the led from the power board the tv operated normally (on off button worked) . I put a flash light to the screen and could see picture and sound was working. When I reconnected the led to the power board it started blinking on and off again and the on off button stopped working.
LED and LCD: Together forever LG. Despite having a different acronym, LED TV is just a specific type of LCD TV, which uses a liquid crystal display (LCD) panel to control where light is displayed
Samsung UN55D6000SFXZA will not power on. Standby LED double flashes 5 times. Disconnected the power board from the mainboard, backlight did not come on. Disconnected the t-con from the mainboard, still no backlight. Output voltage from power board reads 5v and 13v (respectively) initially and quickly goes down to 0v. Do not see any damaged
Led backlight voltage: LCD backlight repair: Unidentified SMD component on Samsung TV backlight led strip: Tektronix TDS224 dim screen and high pitched whistling: BAUHN 65" 4K UHD LED LCD TV will not turn on
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led tv backlight not working
