EDAN SE-1200 Express Service Manual

SE-1200 Series Electrocardiograph Service Manual Inspection and Troubleshooting
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5) Compare the measurement results with the reference results in the list. If any one of the
results exceeds the reference range, the ECG board defection is confirmed. Replacement of
the ECG board is recommended.
5.3.3 Key Board Test
To verify the key board,
1) Open the main unit following the procedures described in Chapter 6, “Electrocardiograph
Disassembly”.
2) Switch on the device.
3) Measure the voltage to earth of the test points listed below by using a multimeter.
Item
Test point
Reference result
①
T3V3
3.3±0.1V
②
T+5V
5±0.5V
③
GND
② V- ④ -2.5V ⑥ V+ ① 5V ③ 2.5V
⑤
3.3 V

EDAN SE-1200 Express Specifications

General

Printing	Thermal printer
Input Impedance	≥50MΩ
Noise Level	≤15μVp-p
ECG Leads	12 leads
Recording Modes	Manual, Automatic
Connectivity	USB
Battery	Rechargeable lithium battery
Data Export	PDF, DICOM
Data Storage	Internal memory, SD card
Power Supply	AC 100-240V, 50/60Hz
Print Speed	25, 50 mm/s
Frequency Response	0.05 Hz to 150 Hz
Battery Life	Approx. 4 hours of continuous operation