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Aric, Technician
Category: TV
Satisfied Customers: 44442
Experience:  15+ years in the field. Owner of AV Installation, OEM and Repair company
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WE have a 50" Model TC-P50ST30. We use Direct TV. Normally,

Customer Question

WE have a 50" Model TC-P50ST30. We use Direct TV for access. Normally, the on button on Direct TV remote will turn on box and TV. Yesterday all worked fine. Today, box comes on, sound (voices) from channel comes on, channel can be changed and sound is fine, but Picture will not come on.
Also, if try to turn TV on using manual Power Button, nothing happens.
Any suggestions?
Submitted: 1 year ago.
Category: TV
Expert:  Aric replied 1 year ago.

Hello, If the TV does not come on using manual power button on the set- this indicates a problem with the TV itself.

Please let me know if there are any signs of life on the TV (power light lit or blinking, screen lights up, etc.).

Also, how long have you owned the TV for?

Customer: replied 1 year ago.
No lights on TV. Just about 4 yrs old
Expert:  Aric replied 1 year ago.

Okay, if there's no light at all on the TV- where is the sound from the voices coming from- an external speaker/sound system?

Also, when power button on the TV is pressed, is there ANY sign of life at all from the set?

Customer: replied 1 year ago.
Prior to TV picture not coming on it was possible to hit the off button on remote and the picture would go off, but the sound would continue to be broadcast through the receiver and external speakers
Customer: replied 1 year ago.
No sign of life from TV except the sound is broadcast and I can change channels with remote. Changing channels does broadcast the correct stations sound - no picture and lights on TV do not come on.
Expert:  Aric replied 1 year ago.

Okay, so the sound is isolated from the TV- and your TV is essentially dead. This usually stems from an issue with the power supply board in the TV- and requires replacement of this component.

However it's worth it to try a hard reset, as sometimes the processor in the TV can simply have locked up.

The first thing you would try, is disconnect the set from power, then press and hold the power button on the TV itself (not the remote), for 10 seconds and release. Then plug the set back in, and also check that the power cord is connected tight at the TV as well. Press power once, and see if the set powers up. Try this procedure up to 3 times if subsequent tries do not work. Please reply back and we can proceed.

Customer: replied 1 year ago.
OK - I'll give it a try. Thanks
Customer: replied 1 year ago.
Try 3 times, no success. Still no lights on TV
Expert:  Aric replied 1 year ago.

This indicates a failure of the power supply board in the set and requires replacement of the board, are you looking to do this yourself?

Expert:  Aric replied 1 year ago.

Do you need further assistance with this?