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好吧问答库 > 电视主板坏了还能用吗

电视主板坏了还能用吗

2025年04月07日 08:59

有1个网友回答

网友（1）：

①、向这主板损坏问题，首先测量一下主板电路供电电压是否正常【正常：十12V、十5V】电
压。
②、如果以上测量正常，接着在测量一下，主板上的所有DC一DC电压变换电路芯片，各输出端引脚对地电压是否也正常，如有异常，检查芯片异常脚周围元件即可。
③、若以上测量芯片异常脚周围元件均正常的话，那这故障可能是主板上的主控制芯片内部电路异常或损坏等等。

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