Welch Allyn Medical Diagnostic Equipment CS Heart Rate Monitor User Manual


 
Service Manual Calibration 49
8. Disconnect the DMM leads.
Table 12. Main power supply voltage checks
Supply voltages Ref. lead Pos. lead Voltage limits (V)
Non-isolated
+15 TP39 TP3 +14.7 to +15.3
–15 TP39 TP11 –14.8 to -15.5
Isolated
+VR TP43 or TP1 TP9 +4.91 to +5.09
+VS TP43 or TP1 TP5 +6.58 to +7.15
–VS TP43 or TP1 TP21 -6.65 to -7.15
+VB TP43 or TP1 TP13 +5.40 to +6.10
+5.6 TP43 or TP1 TP33 +5.55 to +5.70
IBP shield TP43 or TP1 P6, Pin 10 +2.47 to +2.53
C.L.P. detector
a
a. Make sure the ECG input connector (P5) is disconnected from the Analog Board for this measurement.
Reconnect when done.
TP43 or TP1 U5, Pin 1 0.00 to +0.25
NIBP Pressure Offset TP43 or TP1 TP31 +2.40 to +2.60
OSC baseline TP43 or TP1 TP47 -0.95 to -1.25
+VA TP43 or TP1 TP7 (+VR + 0.1 V) to
(+VR + 0.2 V)
-VA TP43 or TP1 TP15 (+VR + 0.2 V) to
-(VR + 0.35 V)
+2.5 TP43 or TP1 TP17 +2.48 to +2.52