Yuav ua li cas siv lub khawm tawm rau GVDA DC fais fab mov nrog Xim LCD zaub

Yuav ua li cas siv lub khawm tawm rau GVDA DC fais fab mov? pls saib cov lus qhia hauv qab no;

thiab kuj koj tuaj yeem nyeem phau ntawv siv ua ntej ua ntej siv nws.

1. Thawj Tig ntawm lub hwj huam hloov

2. kho qhov voltage thiab tam sim no tus nqi

3. Nias "on / off button, thiab "On" xwm txheej, lub teeb yuav qhib

4. Pib ua haujlwm