I don't know if this is right, I have opened a new thread because the previous title was misleading, since after the firmware update the problem is elsewhere.
So mentioned TV starts without showing anything on screen. Backlights work but I have no image.
Sound comes on but after half a minute it goes out. When I press the shut down button on the remote, the sound comes back for 2 seconds before the TV shuts down. Turning it back on the sound does the same. Stays for a bit then goes out. No image in the meantime, only backlights work.
Voltages:
12V: 12,20V
NC: 12,20V
5V: 5V
ACD: 3,73V
PWR_TV: 0 when off, 3,25V when on
BL_ON: 0 when off, 3,33V when on
PWM2: 0 off, 0 on
PWM1: 0 when off. When turned on it reaches 3,3-3,7V. Then after a minute (about half a minute after the sound goes off) drops slowly to 1,4V. When turning off again the TV climbs up to 2V and then slowly reaches 0 again.
Voltages to panel:
VF1 VF2: 56V off, 85 on
VF3, VF4, FB1, FB2: 28off, 52 on
FB3, FB4: 3,6V off, 14,5V (up to 22V after a while) on
Then the panel 39T01-C03, had a short which now is fixed. Replaced the fuse and 12V run as input. Burnt by accident AUO chip P301-16 with P301-30 1216FW QFN AUO GAMMA CORRECTION chip at U209. Voltages going out of the chip appear but don't know how much they should read or maybe the chip is wrong because I took from similar board.
Any other suggestions, ideas?
So mentioned TV starts without showing anything on screen. Backlights work but I have no image.
Sound comes on but after half a minute it goes out. When I press the shut down button on the remote, the sound comes back for 2 seconds before the TV shuts down. Turning it back on the sound does the same. Stays for a bit then goes out. No image in the meantime, only backlights work.
Voltages:
12V: 12,20V
NC: 12,20V
5V: 5V
ACD: 3,73V
PWR_TV: 0 when off, 3,25V when on
BL_ON: 0 when off, 3,33V when on
PWM2: 0 off, 0 on
PWM1: 0 when off. When turned on it reaches 3,3-3,7V. Then after a minute (about half a minute after the sound goes off) drops slowly to 1,4V. When turning off again the TV climbs up to 2V and then slowly reaches 0 again.
Voltages to panel:
VF1 VF2: 56V off, 85 on
VF3, VF4, FB1, FB2: 28off, 52 on
FB3, FB4: 3,6V off, 14,5V (up to 22V after a while) on
Then the panel 39T01-C03, had a short which now is fixed. Replaced the fuse and 12V run as input. Burnt by accident AUO chip P301-16 with P301-30 1216FW QFN AUO GAMMA CORRECTION chip at U209. Voltages going out of the chip appear but don't know how much they should read or maybe the chip is wrong because I took from similar board.
Any other suggestions, ideas?