Philips TV repair hotline in all urban areas
(400)(8867)(315)
Philips TV malfunctions can only be detected by elimination.
1, the TV itself is faulty,
2, the set-top box is faulty,
3, the video cable connecting the TV to the set-top box is faulty.
The line and set-top box, TV three separate start.
Troubleshooting one by one, the cause of the fault can be detected at last.
Separately turn on the TV to see if the TV has a signal, under normal circumstances, the TV even if there is no external signal, at least it will appear blue screen display or snowflake-like screen display, showing the state of no signal reception.
If you do this, and still have a black screen, then the TV itself is faulty and can only be sent to repair.
Black screen situation in general:
1, filament current limiting resistor welding or open circuit.
2, focusing on the solder joints rust broken.
3, high-pressure cap internal serious rust.
4, the visual amplifier power supply failure.