Outdoor LCD Advertising Machine No Sound How To Do?

Shenzhen IBR Electronics Co.,Ltd | Updated: May 04, 2017

1, check the equipment

The LCD advertising machine to open the back cover, with a multimeter about the drive board power amplifier is powered and normal? If the power amplifier is normal, the next step to check the speaker cable is not normal?

2, replacement parts

If the LCD driver engine board amplifier is not normal, then replace the driver board; if the speaker is not normal then replace the speaker. In addition, the general LCD advertising machine speaker cable if the connection is not strong, then the most easy to fall off. If you fall off, then it will be welded with a soldering iron, if the speaker noise is great, that is, advertising machine driver board damage, immediately replace the driver board.

Shenzhen IBR Electronics Co.,Ltd
Add: Room 505 Building 201, Shangbu Industrial Park, Huaqiang North Road, Futian District, Shenzhen, Guangdong, China
Tel: +86-755-83243159
Fax: +86-755-83243162
E-mail: sales@digitalsignage-ibr.com
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