When i turn on television the screen was black blue,but it can hear a sound nicely.
You may have a problem in the video driver board.
SOURCE: Hisense tv turns on and off
STOP!
The unit has a fault on its power board and sustain board.
It turns off because the sensor is preventing some component from bacoming overheated and catching fire or damaging further components. Seel professional repair.
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SOURCE: TV pictures can't come out
www.rolsen.ru/content/tech/PDH4239EU_service_manual%20V1.0.pdf
www.rolsen.ru/.../PDP32XX%20Service%20Manual%200804301.pdf
use these service and repair manuals, to troubleshooting procedures.
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SOURCE: black screen but i do have sound
HelloCheck the backlight inverter board. If it has damged, most common fault to LCD TVs, there will be no backlight to the LCD screen, and will look black. Your tV has sound output without picture. This means that all other boards ar functioning well. Check the backlight inverter section and CCFL tubes used in backlight assembly. OK.
SOURCE: 32
hello, i've repairing one at the minute with same fault, but you could try this i'm not going to say it will work but can try it. turn the tv off and back on again with the tv on press the menu button while taking the power lead out keep your finger pressed on the menu button and replug the lead back in if it works the menu will come back on the screen you might need to retune it back in. i hope it works
regardsshaun
SOURCE: My hisense 50 inch lcd tv has picture but no sound.
If you still have back light, then the T-con is probably defective. If you don't have back light, then you either have a bad power board/inverter or a defective panel
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