Service manual

Section 1: Introduction

1-2

NPB190

1 2 3 4 5 6 7 8 9

101112131415

Figure 1-1: NPB-190 Front Panel

1. SpO2 Sensor Port 9. Alarm Silence Button

2. Power On/Standby Button 10. Adjust Up Button

3. AC/Battery Charging Indicator 11. Adjust Down Button

4. Low Battery Indicator 12. Pulse Search Indicator

5. %SpO2 Display 13. Upper Alarm Limit Button

6. Pulse Amplitude Indicator 14. Lower Alarm Limit Button

7. Pulse Beats per Minute Display 15. Speaker

8. Alarm Silence Indicator

Figure 1-2: NPB-190 Rear Panel

1. Equipotential Terminal 4. Fuse Drawer

2. AC Connector 5. Voltage Selector Switch

3. Serial Port

1.3 POWER-ON SELF TEST

When the NPB-190 is turned on it will perform a POST (Power On Self Test).

During POST the following sequence should occur:

• All indicator lights illuminate

• All segments of the numeric digits light

• All segments of the Pulse Amplitude Display light

U.S. PATENTS:

4,621,643; 4,653,498;

4,700,708; 4,770,179;

4,869,254; Re. 35,122;

4,928,692; 4,934,372;

5,078,136

0123

IPX1

NRTL/C

NPB-190

T 0.50A 250V

NELLCOR PURITAN BENNETT EUROPE BV,

's-HERTOGENBOSCH, THE NETHERLANDS

036400-1098

NELLCOR PURITAN BENNETT, INC.

PLEASANTON, CA 94588, U.S.A.

MADE IN IRELAND

100-120 V~ 200-240 V~

50/60Hz

20 VA

CISPR 11

Group 1

Class B