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Panasonic tv TX-48CX400B is having a display issue
Hi, My panasonic tv TX-48CX400B is having a display issue. It turns on and display goes after 3-5 minutes, sound stays. Turning off and switching on bring back display for 5 minutes again. I have just joined as heard some of experienced experts here who can suggest what to do. Thanks
ANSWERS:
@tech_dumb could be backlight issue related to a bad array or a bad power board. Next time the screen turns black and the sound continues, darken the room and shine a flashlight beam at an angle against the screen. Check to see if you can make out any shapes, silhouettes etc. If so, it is your backlight. Next you will have to measure the voltages on your power board to the LED’s. Let us know if you have the tools (multimeter etyc.,) o we can assist you with that. Remove the back cover from your TV and post some good pictures of all of your boards. That way we can see what you see and hopefully help you out further. Adding images to an existing question
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