Baier 27" lcd screen keeps turning on and off

[maz]

Re: Baier 27" lcd screen keeps turning on and off

No Problem at least we are both clear what happened, i think i selected it when i was posting thread to receive emails. Thanks

[selldoor]

Re: Baier 27" lcd screen keeps turning on and off

Is this abandoned -were you waiting for some input?
I think we are waiting for the results of the Torch Test and the pinpoint of which board (part of board) responds to heat.

[maz]

Re: Baier 27" lcd screen keeps turning on and off

Thank you selldoor,

I have been busy at work and at home and tried testing some components on the power board they were ok. only i could not figure out was the connector coming from power board to the main board is label for some pins to have 18V but i only get about the 4.3 or 5 volts, the rest of the pins have exact same volts as labeled.

Thank you again for your input any ideas.
sorry i have not been able to test the torch trick.

[selldoor]

Re: Baier 27" lcd screen keeps turning on and off

Hi - presumably the 18v was low when the tv was in error state.
Can you test again when it is working. I really think you need to persevere with
with the systematic hairdryer test and also the torch test as these will hopefully lead us to where the fault is based.

[maz]

Re: Baier 27" lcd screen keeps turning on and off

Hi selldoor
you were right i tried the torch and i could see the faded picture on the screen, so the picture is on the screen but there is no light, what do you think is bad invertor board or something else.

[selldoor]

Re: Baier 27" lcd screen keeps turning on and off

It seems like inverter board but could still be power supply.

Did you say when you first switch on it takes up to 20 minutes to come on?

If so please try the hairdryer again but only on the power supply and see if it comes on quicker.

Have a video connected and playing so you know when it comes on.

[maz]

Re: Baier 27" lcd screen keeps turning on and off

Hi Selldoor
open to inverter board and used hair dryer on it and it is working ok without go off I think it is fixed will update if there is any problem I think there was a dry point on the inverter board, checked the voltage going to inverter board with screen on and off and they were stable there is a small cap on the board (SMD) I have a doubt about that but will see if problem occurs again thank you once again.

[selldoor]

Re: Baier 27" lcd screen keeps turning on and off

Ok - good luck - you know where we are if needed.

[maz]

Re: Baier 27" lcd screen keeps turning on and off

Thank you selldoor