Figure 47: Battery Charger Schematic Diagram - Nellcor OxiMax N-550 Service Manual

BATTERY-ABSENT
PRE-CHARGING
FAST-CHARGING
MAINTENANCE-CHARGING
CHARGE-PENDING
N-550
VIN
CC12
0.1uF
CD2
S1B
LM78L05A/TO-92
3
CU2
VIN
CC1
22uF
35VEL
CD3
CR1
LED2
2K
CD4
CR2
LED1
2K
CR3
CD5
2K
LED3
CR4
LED1 LED2 LED3
10K
LOW LOW HIGH
CR5
FLASH LOW LOW
10K
HIGH LOW LOW
LOW HIGH LOW
X X FLASH
FAULT X X HIGH
CR10
TP28 47K
CD1
T POINT M1
S1B
CQ2
2N3904
CC4 CR11
1K
22uF
35VEL
+5VC
1
CD6
VOUT
S1B
TP29
1
T POINT M1
CC2
CR12
47uF
CC3
0.1uF 150
16VEL
CQ3
2N2222A
TP30
1
T POINT M1
CR13
120
+5VC
CR9
CC7
220K
0.1uF
bq2031
CU1
16 1
LED2/DSEL TMTO
15 2
LED1/TSEL FLOAT
14 3
MOD BAT
13 4
VCC VCOMP
12 5
VSS ICOMP
11 6
COM IGSEL
10 7
LED3/QSEL SNS
9 8
TPWN TS
+5VC
CC5
1nF
CR7
CR6
100K_F
100K_F
10K
T POINT M1
CQ1
B772
CL2
810uH
CC13
CD8
B140
0.1uF
CC10 CR15
CL1
0.1uF 249K_F
10uH
CR16
12K_F
CR17
CR18
Alternative
49.9K_F
475K_F
CR14
51
CC6
1nF
CR20
300K
CC8
CC9
0.1uF
10nF
CR8
Technical Descussion
CL3
TP31
SB3040
BAT+
CC11
22uF
35VEL
BAT-
CR19
1_1W_F
Alternative
Alternative
CR19-1
1_1W_J_SMD
Figure 47: Battery Charger
Schematic Diagram
111