Daily Archives: April 20, 2020

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Siemens Hemodialysis Electronic PCB Board Reworking can be seen that the appearance of each component is normal, and the resistance of each component is measured in turn. The forward resistance of LED1 is about 30KJ, the forward resistance of D34-36 is about 6Kft, the forward and reverse resistances of voltage regulators Z14, Z16 and triode…

Toshiba Hemodialysis Circuit Board Maintenance

PCB AssemblyBy circuitwork April 20, 2020 Leave a comment

Toshiba Hemodialysis Circuit Board Maintenance process and principle analysis: Check that there is no obvious burnout on the circuit board, restart the machine, the phenomenon is still the same. Clean it with a brush, absolute alcohol, etc., and check that there is no obvious abnormality in the joints. Turn on again. It is measured that…