SE-1200 Series Electrocardiograph Service Manual Inspection and Troubleshooting
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PS900D Power Supply Board (Version 1.7 or below)
PS900D Power Supply Board (Version 1.8)
4)
Compare the measurement results with the reference results in the list. If any one of the
results exceeds the reference range, the power supply board defection is confirmed.
Replacement of the power supply board is recommended.
5.4 Troubleshooting
WARNING
Replace parts, components, or accessories only with parts supplied or approved by the
manufacturer. The use of any other parts can lead to inferior device performance and will
void the product warranty.
This troubleshooting guide introduces the suitable actions for correcting the problems, replacing
the accessories or calling the service personnel. It can also help you describe the fault symptoms
more exactly when calling for service, which greatly makes the service fast and efficient.
①
12V
②
5V
③
Charging: 12~16.8V
/battery Voltage
④
GND
⑤
GND
⑥
GND
⑥
GND
⑤
GND
④
GND
③
Charging: 12~16.8V
/battery Voltage
②
5V
①
12V