EDAN SE-601B - Chapter 5 Switching On Electrocardiograph; Powering On the Device

SE-601 Series Electrocardiograph Service Manual Inspection and Troubleshooting
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5.3.6 Display Drive Board Test
NOTE: Only test the display drive board on SE-601B/C.
To verify the display drive 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
TP1
8.40~10.50V
②
TP3
3.14~3.46V
③
TP7
4.75~5.25V
④
TP8
-10.50 ~ -9.50V
⑤
TP9
14.30~15.70V
⑥
VR1_2
1.80~2.20V
⑦
FB2_2
5.00~556V
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