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柯达公司生产的Ｍ 7Ｂ自动洗片机性能优良 ,设计合理 ,在国内大、中型医院中广泛使用。自动洗片机显影温度的高低 ,是影响摄片质量的主要因素。本文主要对其显影温度控制电路的原理进行分析 ,并对两例典型的故障进行检修。电路原理分析 :此控制电路由显影恒温加温和恒温保护电
The M 7B automatic film processor produced by Kodak Company has excellent performance and reasonable design. It is widely used in domestic large and medium-sized hospitals. The level of development temperature of the automatic film processor is the main factor affecting the quality of the film. This article mainly analyzes the principle of its development temperature control circuit, and overhauls two typical faults. Circuit principle analysis: This control circuit is developed by constant temperature heating and constant temperature protection