Mallinckrodt NELLCOR NPB-4000 Service Manual page 216

+5VREG
R50
+5VREG
3.92K
R57
4 3
NC VCC 665K
PS1
LMC660
C35
5 2 TP272 3
NC
VD 1 + R55
1
1.0UF
U16
2
C33 332K
-
R59
6 1 0.1
C1 GND 665K
C34
C20 DMS873
0.1
680PF TP268
1
+5VREG
NIBPRSR1
+5VREG
R73
3.92K
4 3
NC VCC
U23
PS2
TP202
1 2
5 2
1
NC
VD
C48 13 4066
0.1 R80
6 1
C1 GND U10 75K
R122
TP169 TP192
C67
DMS873 NPNEON
680PF 1 1
6 14 100K
1%
HCT244
R68
68.1K
R64
68.1K
NIBPRSR2
+5V
VBATTP
R130
CONTROL VALVE
100 10K
R132 D4
V2
1N4001
TP420
VSO-E95574
1
TP425
74HC123
1
C85
.01UF 15
CREXT 7 8
14
CEXT
1
TP421
U28
TP180 SI9936DY
13 2
Q
1
1
A
Q10
U10 1
2 B Q 4
R100
TP422 3
R
NIBPCNTLVLV 1 100K
11 9
1%
PWM FROM ACTEL
HCT244
1
TP423
R131
10K
2
18
U23 TO VIA
4066
HCT244
U10
11 10
13 7
TO VIA TO VIA
TO VIA SPKR_ADJ_PLS
HCT244
12 U10
15 5
TO VIA
HCT244
U10
17
3
TO VIA
HCT244
U10
+5VREG
C66 14 4
C36 1 20
AE VCC
0.1 VDD V+
0.1 19 U10 10 16
BE GND
C28
74HCT244 VCC
VSS V- 0.1
7 11
GND
+5VREG
R66
665K
LMC660
TP267 12
LMC660
1 + C40
14 TP258 10
U16 +
1 TP427
13 8 TP232 R140
1.0UF
- U16 1 1 OSC
9
33.2K
TP195 -
1 R69
R56 R62
33.2K C93
562K 665K
0.1
R72
TP242 +5VREG
TP187
R86 1 20K
1
243K
R95 R76
20K
20K
R88
20K
+5VREG
VPVS
VBATTP
R52
Q11
562K 6
3
TP426 R61
R133
1 SI9928D4
5
0_OHM 182K
4
TP188 V1
R77 1
R53 D5
100K CS
1N4001
1%
100K TP164 11-18-3-BV-5-P-77
LMC660 1
1%
5 Q6
TP263
+ 3
7 R65
U16
1
TP256 6 2
100K 1
1 -
1%
2N4401 NPPVEN
C46
74LVC541 3 WAY VALVE
10UF
TP170 TP257
16V 6V COIL
12 8
1 U17 1
NPPVEN3
5 6
(P3.7)
U23
6
U10
R123 TP181
TP412 9 TP166
8 4
NP3WYV 1 1 1
SI9936DY
8 12
100K
3
Q10
1%
HCT244
4066 R101
100K
R110
TP134
1
+5V 100K
U26 1%
TP460
2
1 16
U/D VCC 0 TO 3.3 -
SPKRU/D C69
2 15 1
NC1 NC7 0.1
WAVEFORM R108 U27
3 NC2 VB 14
TP435 3
4 13 TP158
INC VW +
1
5 12 LM358
NC3 VH 10K TP100
6 11
CS NC6 TP150
1
7 10
1
8 NC4 NC5 9 SPKRFREQ
GND VL C97
.01UF
DS1666S
R109
20K
R111
+12V
10K
8
V+
C3
10UF C72
0.1
16V
V-
+5V
4
C86
0.1
PSOFF
VBATTP
R63
100K
1%
TP259 VBATTP +5VREG
U15
1
Q5
U10
3 1 6
R54 CTRL VIN
TP287 2 5
1
NPANPWR 3 4
1 1
2 GND VOUT
4 16 100K TP273
(P1.1)
HCT244
1% TK11450 C49
2N4401
C39 10UF
0.1 16V
+5V
J9
1 2
C100
0.1
+12V
+5V +3.3V
U18
Q12
2 2 8
LCDCNTRSTUP UC V+
1 7
LCDCNTRSTDWN DC
3
1
FZT690BCT RH
3
D
4
RL
5 6
V- RW
R120
TP129
DS1669S
1K
C70 R119 TP123
TP424
SPEAKER
3
220UF
R60
25V
CNTRSTPWM R117
FZT549CT 100K 10K
C42
1%
3 0.1
1
2
Q13
Q9
3 1 2
R93 TP182 DSR
1
3 4
1
2
10K RXDATA RTS
5 6
2N4401 TXDATA CTS
R96 7 8
DTR
10K NURSECALL
9 10
DEFIBOUT
GND
11 12
VBATTP
SPEAKER GND
13 14
VBATTP
15 16
TP292
ON/OFF 1
C87 C88
17 18
0.1 22UF PUMPON NPPVEN
19 20
20V PSOFF
21 22
EARLYWRNG BATTSNS+
23 24
SIGRTN
R92
25 26
MAINS/LED DC/LED
J2 6
430 +3.3V 27 28
1% +3.3V
29 30
R97
R135 +3.3V -24V
R136
100K 31 32
10K
GND GND 10K
1% R134
33 34
100 GND GND
35 36
GND GND
ACMAINST 37 38
2
GND GND
39 40
+5V +5V
41 42
POWER ON LED +5V +12V
43 44
DS6
+12V +12V
45 46
1
+12V +12V
47 48
PTR_RESET PTR_CTS
49 50
PTR_RXD PTR_TXD
J3 C104
.01UF
LOCATE CLOSE TO POWER SUPPLY CONNECTOR (J3)
BATTSNS+
R89
10K
LM358
+
TP199
V 3
TP177 1
1 U25 R87
TP175
1
-
1
2
10K
R84
R85 SIGRTN
R94
10K
10K 10K
TP159
VBATTAD 1
R90
10K
+12V
8 +5REF
V+
C58
R98
0.1 33.2K
V-
LM358
4
+
TP176
5
TEMPAD 1 U25
7
-
C63
6
.01UF
RT1 R124
VALUE
33.2K
+3.3V
R70
20K
2N4403
74AC240 TP243 2
1
R74
DISPOFF 1
6 14 1
TP234
10K
R87
U12 TP221
3 1
Q7
R79 R83
100K 100K
1% 1%
TP189
R82
1
10K
-24V
Q8
LM337L
+5V
3 2
2 3 TP174
IN OUT LCDCONTRAST
VR1 2N4401
C45
COM
R126 0.1 R67 C60
100K 0.1 BACKLITE_ON
1.5K
1% 1
LM358
5
1 + R81 R78
TP144
7
U27 1
6 - 8.25K 430
1 R118
20K
NPB-4000/C Main PCB Schematic (Sheet 2 of 3)
Section 17: Drawings
+5V
R39
10K
Q2
3
R32
TP309
1
1 DEFIBSYNCPLS
2
TP297 1 10K
+3.3V
2N4401 R31
10K
R35 R19
10K
33.2
D1
DEFIBKEY
BAT54C
C103
.01UF
SYNC/ALARMSOUND
TP455 TP445
ALARM_SILENCE
GND PROBE POINTS (THRU-HOLE)
C102
C65
.01UF .01UF
R91
7 J2
430
1%
R99
100K
1%
TP172
1
DCST
+12V +5V +3.3V
C64 C71 C54
22UF 22UF 22UF
20V 20V 20V
1
ON/OFF J2
C101
+3.3V
0.1
R41
100K
1%
ALRMSIL
1 ALARM_SILENCE
D2
BAT54C
TP296
3
R44 2
1
J2 ALARM_SILENCE
33.2
+3.3V
C29
.01UF
R36
100K
1%
R37
TP302 3
NIBPPB J2 PB2IN
1
33.2
C27
.01UF
+3.3V
R27
100K
1%
R33
4
AUDTONVOL J2 PB3IN
33.2
C23
.01UF
+3.3V
R21
100K
1%
R24 5
LCDCONTRST J2 PB4IN
33.2
C19
.01UF
8
J2
BACKLITE
+12V 1 J4
C73
10UF
16V
R2
10K
2 J4
3 J4
4 J4
Q1 3
D
2 G
S
VN2210N3 1
R4
100K
1%
Figure 17-6
17-13