Board (Backlight) - Replace
安全预防措施
确保在进行下述任何步骤之前断开监控器的所有电源。
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拆卸部件之前应先断开监控器的电源。 不断开电源会导致严重电击或损坏监控器。 电击可能造成人身伤亡。 |
拆卸平面显示器
监控器用10颗螺钉将平面显示器固定到机架上。
进行下述步骤以拆卸平面显示器:
- 拆下监控器的上盖。 有关拆卸后盖的详细步骤,请参阅测试和调整, "罩盖 - 拆卸"。
- 将与CPU卡上的显示器插槽 (1) 相连接的视频缆线断开。
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图 1 | g00858319 |
中央处理器(CPU)卡 (1) 显示器插槽 |
- 如果监控器上配备了触屏的话,则先拆下监控器的后盖。 有关拆卸后盖的详细步骤,请参阅测试和调整, "罩盖 - 拆卸"。
从触屏控制器板 (3) 上断开触屏缆线(柔性缆线)。 触屏控制器板 (3) 附着在电源 (2) 外侧。
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图 2 | g00858320 |
(2) 电源 (3) 触屏控制器板 (4) 触屏缆线插头的插针1 |
- 将把平面显示器固定到机架上的10颗螺钉拆下来。
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图 3 | g00858321 |
10颗螺钉 |
- 小心将平面显示器从机架上拉出来,将下列插头从平面显示器上断开:
- 来自指示灯板 (7) 的指示灯插头
- 与背光电源 (6) 连接的电缆
- 来自指示灯板 (7) 的指示灯插头
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图 4 | g00858322 |
(5) 视频缆线 (6) 背光电源 (7) 指示灯板 (8) 背光管 |
注: 该图显示的是显示器尺寸为264 mm (10.4 inch)的监控器。 对于显示器尺寸为307 mm (12.1 inch)的监控器,背光电源板 (6) 安装在单独的可拆卸的支架上。 背光电源板并非安装在显示器后面。
更换背光管
背光总成包括两个必须进行更换的背光管 (8) 。 替换管为 203-7814 板 。
进行下列步骤以更换背光管 (8) :
- 从背光电源 (6) 断开背光管插头。
- 将把每一个背光管 (8) 固定在位的2颗螺钉拆下来。
- 将背光管向左滑动,然后将其轻轻拉出总成。
- 将替换背光管插入槽内。 将背光管向右滑动,直到螺钉孔对准为止。 将螺钉装回。
- 将背光管插头重新接回到背光电源 (6) 上。
- 将指示灯插头重新接回到指示灯板 (7) 上,将电缆重新接回到背光控制器板上。
- 将显示器缆线重新接回到CPU板。 将触屏缆线连接到触屏控制器板 (3) 上。
- 将显示器总成重新装回到监控器上。 使用那10颗螺钉。
- 将监控器的上盖装回原位。 将监控器的后盖装回原位。
Caterpillar Information System:
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