| 摘要 |
A detecting system that locates the trouble in a digital device enables complete detecting of the trouble in either the inner or outer parts of the device. The elementary block diagram of this device comprises; a circuit (8), a CPU (9), memory (10), an input device (11), and an output device (12). The device adds to the circulation circuit (5) and feedback circuit (8), and then operates the switches (6,7), which compare the current device to the original digital device.
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