The paper describes the structure and functions of the peripheral interface adaptor circuit board in the data processing unit of the HITACHI Z-8000 atomic absorption spectrophotometer. The troubleshooting methods for the circuit board is also presented.

• 介绍了日立Z-8000型原子吸收分光光度计数据处理器内部的外设接口适配器(Peripheral Interface Adapter)电路板的结构、功能及故障排除方法。