Nellcor OxiMax N-550 Service Manual page 127

FDIGIT 1
FR17
470
2 2
FQ17
FQ18
2N2907A
2N2907A
FDIGIT 4
FR23
470
2 2
FQ24
FQ23
2N2907A
2N2907A
N-550
FR18 FR19
470 470
2
FQ19
2N2907A
8
FSEG a
A
7
FSEG b
B
3
FSEG c
C
2
FSEG d
D
FU2
SpO2 Display Digits
FR25
FR24
470
470
2
FQ25
2N2907A
FU3
8
FSEG a
A
7
FSEG b
B
3
FSEG c
C
2
FSEG d
D
BPM Display Digits
FDIGIT 2
FR20
470
2
FQ20
2N2907A
4
DP
6
G
5
F
1
E
BI-FND
FDIGIT 5
FR26
470
2
FQ26
2N2907A
4
DP
6
G
5
F
1
E
BI-FND
FDIGIT 3
FR21 FR22
470
470
2 2
FQ22
FQ21
2N2907A
2N2907A
FDP
FSEG g
FSEG f
FSEG e
FDIGIT 6
FR27
FR28
470 470
2 2
FQ27
FQ28
2N2907A
2N2907A
FDP
FSEG g
FSEG f
FSEG e
Technical Discussion
TP40
T POINT F1
FRF0
FRF1
TP41
T POINT F1
TP42
T POINT F1
FRF2
FRF3
TP43
T POINT F1
Figure 53: Front Panel 7-Segment
Display Schematic Diagram
123