Hi guys, I have the same scenario .... I went ahead and changed over the FR307 to no avail. Back light goes out after about 20 minutes ,,, then turned on again it goes off after approx 12 minutes,,,,then again after 1 minute .....then just flashes all the time voice works ok
..i have used a fan for cooling and have since soldered all the connections on the board to no avail . I bought this set on the 29th of july 2016 now this...any advice guys..
PS strangely...
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