Have sound. tried 2 main boards with same symptom (so likely ruled out main board for sure)
- Whenever backlight goes out, it is always recoverable by disconnect LED from PSU, test with LED tester, reconnect LED to PSU. Turn on TV. Without using LED tester, blacklight remains out.
- When backlight is on and run white image test, shows no burnt out LEDs (see attached, uneven bright spot on the right center isn't really as visible as the pic)
Seems pretty definitive there are weak LED(s) in the array and LED tester's gradual voltage ramp makes it work again for awhile. Thought I ask other's experiences before buying the LEDs. Thanks
- Whenever backlight goes out, it is always recoverable by disconnect LED from PSU, test with LED tester, reconnect LED to PSU. Turn on TV. Without using LED tester, blacklight remains out.
- When backlight is on and run white image test, shows no burnt out LEDs (see attached, uneven bright spot on the right center isn't really as visible as the pic)
Seems pretty definitive there are weak LED(s) in the array and LED tester's gradual voltage ramp makes it work again for awhile. Thought I ask other's experiences before buying the LEDs. Thanks
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