Jun 6, 2020, 2:34 PM
Post #1 of 1
Universal backlight problem
On tv Grundig Vision 2 22-2920 i replace CCFL backlight with universal LED backlight.
Original tv backlight is based on FAN7314, uni led backligh is based on DF6113.
On pin 7 and 8 of FAN7314 there is no voltage, so i try to make voltage divider
using voltage from "ENABLE" oin 3 of FAN7314.
This is limitation because i can`t adjust brightness from remote but i think
to use external potentiometer to adjust brightnes.
In fact i notice that i have some kind of adjustment in range 1.8-19V. In
datasheet of DF6113 is labeled adj in range 1.1-32.V.
Any ideas how to fix this?