Welch Allyn PROPAQ CS User Manual

Page 53

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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

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