ZUXYUNG SF-BD415 лазерный блок для DVD плеера

Laser head installation knowledge:

1, how to judge the laser head damage: laser head damage is generally not read disk or read disk is very difficult, some poor quality of the disc can not be read, in the case that the device can normally identify the machine, generally is the problem of the laser head, when the above situation you only need to replace the laser head, the machine can be restored as new.

2, how to install the laser head: When the laser head is installed on the shelf, do not move the balance pole on the shelf. When removing the laser head, you only need to move the screws on one side of the balance pole. Do not move the screws on the other side to avoid affecting the balance. Otherwise, the laser head may not read the disk. If you can not install, you can ask a professional to test the installation after purchase, so as to avoid damage to the laser head and the machine.

3. How to open the solder joint: Laser head in factory, in order to prevent electrostatic damage to the laser tube, generally have a protective solder joint (on the bald circuit board or in the soft line has a larger solder joint) the laser tube power supply foot to the ground short circuit, in the bald installation before the need to use the anti-static iron welding, the electric iron heating to about 250 degrees Celsius - 280 degrees Celsius, disconnect the power supply, After welding the protection point, otherwise the laser head will not be able to use, if you need, we can also help you to weld the solder joint before delivery.