If the TV screen is black and the backlight is
not on but there is audio, the issue may be caused by the power supply of the backlight or the backlight is defective. Please feel free to call the TCL hotline for further
help.
q9b
aircon
v6b
beta firmware
50t7b
tcl 50t7b
55p79b
55q9b
If the TV screen is black and the backlight is
not on but there is audio, the issue may be caused by the power supply of the backlight or the backlight is defective. Please feel free to call the TCL hotline for further
help.
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