How Service Acer AL1517 LCD Power on But Dark Screen:
How Service Acer AL1517 LCD Power on But Dark Screen:
1. Open to the five screws on the back LCD. A screw which is located in the middle bottom, close same leg coverings. open new leg coverings visible screws.
2. Search modules Power Suply , because the problem is here.
3. Check whether there is a distinguished Elco swell, if there is immediate change. If there is no appropriate reply elco distinguished looking bigger, eg 870uF/10v can be replaced with 1000uF/16v, even better.
4. Elco who swell causes the voltage drop which had been so below 12v, 5v so it was dn distinguished below as well. And this is the cause of LCD INVERTER not want to lift it (if the monitor CRT = Flybacknya), because the voltage drop.
5. when it can be replaced immediately in the try ...
6. If you still do not glow, check fuse / fuse after the voltage of the transformer 12v Power supply,
1. Open to the five screws on the back LCD. A screw which is located in the middle bottom, close same leg coverings. open new leg coverings visible screws.
2. Search modules Power Suply , because the problem is here.
3. Check whether there is a distinguished Elco swell, if there is immediate change. If there is no appropriate reply elco distinguished looking bigger, eg 870uF/10v can be replaced with 1000uF/16v, even better.
4. Elco who swell causes the voltage drop which had been so below 12v, 5v so it was dn distinguished below as well. And this is the cause of LCD INVERTER not want to lift it (if the monitor CRT = Flybacknya), because the voltage drop.
5. when it can be replaced immediately in the try ...
6. If you still do not glow, check fuse / fuse after the voltage of the transformer 12v Power supply,
Komentar