Welch Allyn PROPAQ CS Service Manual page 53

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