金正EVD板号SD2118-SPV7188-V2.21 开机有读碟动作，液晶屏无显示
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按键芯片
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背面铭牌


IMAGE: http://attachment_20170/photo/Mon_1908/3381_c2dd1566793687f2acd534142418e.jpg



显示器


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尺寸为29.5左右


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下面是从原机备份出来的rom，求大侠看下数据是否有问题