I have a PS60F5500 TV and suddenly it's no longer working. The TV does respond to the IR and I can blindly select the correct HDMI source and when done I hear TV sound. The display stays black.
So I opened up the TV and measured the VS and VA on the power supply. Both were way of the normal value. VS was only 10V and VA was 0V.
So I measured the VS-ON signal and noticed that one stays at 0V too. So the main board seems to be broken, right?
Someone told me I could try disconnecting VS-ON from the main board and then connect VS-ON to a 5V power source for a test. The guy stated that this should bring up the VA and VS power and possibly bring back the picture.
So I tried that. I cut the VS-ON cable and connected the VS-ON pin to a 5V source on the power board and turned on the TV.
The TV behaved exactly the same as before. I can still hear the audio and it does respond to IR etc... The screen still stays black as if nothing has changed.
But the power on VS and VA were there. VS at 208 volts and VA at 58 Volts.
What do you guys think could be the issue here?
So I opened up the TV and measured the VS and VA on the power supply. Both were way of the normal value. VS was only 10V and VA was 0V.
So I measured the VS-ON signal and noticed that one stays at 0V too. So the main board seems to be broken, right?
Someone told me I could try disconnecting VS-ON from the main board and then connect VS-ON to a 5V power source for a test. The guy stated that this should bring up the VA and VS power and possibly bring back the picture.
So I tried that. I cut the VS-ON cable and connected the VS-ON pin to a 5V source on the power board and turned on the TV.
The TV behaved exactly the same as before. I can still hear the audio and it does respond to IR etc... The screen still stays black as if nothing has changed.
But the power on VS and VA were there. VS at 208 volts and VA at 58 Volts.
What do you guys think could be the issue here?