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李天氍

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[问答]

8594E CRT焦点死了

您好,我最近用我在ebay上购买的新CRT替换了我的旧CRT。
旧CRT非常破旧。
新的CRT模糊不清。
这是奇怪的事情......焦点****什么也没做,也没有对旧的CRT做任何事情。
我已从两个显示器PCB上取下每个电解帽并检查出来,没有问题。
任何想法为什么焦点****死了?
谢谢肯

以上来自于谷歌翻译


     以下为原文

  Hello,
I recently replaced my old CRT with a new one I purchased on ebay. The old CRT was very worn out.
The new CRT is fuzzy and out of focus. Here's the odd thing though...the focus **** does nothing and did nothing on the old CRT as well.
I have pulled every electrolytic cap from both display PCB's and checked the out, no issues there.
Any ideas why the focus **** is dead?
Thanks
Ken  

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李健

2019-2-20 15:05:15
如果您不了解它,用户可以在仪器侧面访问的焦点就是精细调整。
监视器的背面也有一个课程调整。
即使在没有定制工具的情况下关闭仪器盖,您也无法访问。
您需要将显示器组件向上提出机箱以访问此课程调整。
通过监视器外壳的进入孔靠近控制线穿过外壳的位置。
要小心高压迈克

以上来自于谷歌翻译


     以下为原文

  If you aren't aware of it, the focus that is user accesible on the side of the instrument is just the fine adjustment. There is a course adjustment on the backside of the monitor as well. This isn't something that you can access even with the instrument cover off without a custom made tool. You will need to lift the monitor assembly up out of the chassis to access this course adjustment. The access hole through the monitor case is near to where the control wires run through the case. BE CAREFULL OF THE HIGH VOLTAGES

Mike
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