Discovery after study, the electric parameter change reason is the dirt adhered at the producing on the surface of potentiometer inner basic chip absorbs wet in high thermal wet ambient.

经研究发现，电参数变化的原因是电位器内部基片表面在生产时附着的脏污在高热潮湿环境下吸潮造成。

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The controller of aiming control platform (ACP) is composed with AT98C2051, Voltage comparing circuit, electric bridge and digital potentiometer X9241.

瞄控台自动控制器由at98c 2051、电桥和电压比较电路及数控电位器x 9241组成。

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Electric parameters of high voltage focus potentiometer might change thus influence the whole property of TV.

高压聚焦电位器在高热潮湿环境下电参数可能会变化，从而影响到电视机的整体性能。

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