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First lost pic now no sound replaced main power supply PSPF381A01A power red light blinks 4 times and goes off no sound or picture light goes off. Model Samsung HPR 4262 Plasma TV [email protected]
Have changed the main board and the power supply. When I unplu one of the ribbons on the tcon board all the lights work even the screen, no pic and no sound.Have changed the main board and the power supply. When I unplu one of the ribbons on the tcon board all the lights work even the screen, no pic and no sound.
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1. disconnect the cable between the power supply & the main board, if no back light, replace the defective back lights LED strips inside of the panel.
2. If the back light are light up, i will try a new main board.
When the TV goes dark, check the back lights is still on or not.
1. If the back lights are still on, mostly the problem is the T-CON board.
2. If the back lights are off, test the 24V DC voltage, back lights on & Dim control voltage on the invert board. a. If the 24V is not there, the problem is the main power supply,
b. If the 24V is there, also the back lights on voltage is over 3.0V DC, the Dim control voltage is over 2.8V DC, the problem is the invert board,
c. If the back light on & Dim control voltage are lost or low, the problem is the Main board.
I have the same issue, we've had to change our bulb three times in less than two years. now we have 61" expensive paper weight. Our current bulb is less than 6 months old. The TV is only 2 years old and like i said this is our third bulb.
the blue light blinks 4 times. you get sound. then a few minutes the the picture returns... then it goes out, and the cycle goes on.
red light flashes 4 times then stays on for about 5 seconds then flashes 4 times again any idea what this means and how i can fix it tv is about 4 years old and only just started doing this
turn tv on picture comes up 2to3 seconds later tv blacks out then stand by red light flashes 4 times in a row repeatedly..can not turn on or off when stand by light starts flashing but before tv blacks out you can turn tv on and off repeatedly and picture and sound work.You have to unplug power cord for 30 seconds after stand by light comes on to get tv to turn on.
Have changed the main board and the power supply. When I unplu one of the ribbons on the tcon board all the lights work even the screen, no pic and no sound.
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