Nellcor NPB-40 Service Manual page 54

AD822 BYPASS
+10V
C11
0.01U
VCC
U9
C13 16
VCC
0.01U
C24 14
X
TP10 0.01U
R13 15
Y
-5V
88.7K_0.1%
4
Z
VREF
+10V 7
VEE
8
VSS
R15 U4B
+
2.00K AD822 CD4053S
R14 6 8 -5V
-
51.1K 7
5
+
4
- R26 R27
R18 82.5K 82.5K
1.00M +10V
-5V
R17
TP6
88.7K_0.1% 13
V+
1
2
3
DG201S BYPASS +10V
GND V-
U3A
+10V 5 4 DG201S
13
V+
-5V
+ 8
C14 7
22U 6 +10V
20V
GND V-
U3B
7343
DG201S 5 4
13
-5V
V+
9
-5V 10
11
+10V
GND V-
U3C
VREF U5B DG201S 5 4
AD822
5 8
+
-5V
7
6 -
C19 4 +10V
390P
U3D
R21 DG201S
3.32K 13
-5V
V+
16
R16 15
R25 1.00M 14
3.32K
GND V-
5 4
C12 18P
TP7
-5V
IR/RED
+10V
R20 R19 VREF VCC
182K 280K
C18
0.047U
8 + 3
1
2 C40
-
U5A 4 0.1U
R22
AD822 Z5U
511K 2 2
C22
1 1
SENSOR INPUT 0.047U
-5V 3 3
CONNECT CGND Q9
TO AGND WITH MPSA56S
SEPARATE TRACE
TO J2.2
P1
TP16
DB9FB TP18 VREF
2 2
10 10 R30
10.0K
5 5
9 9
4 4 3 3
8 8
3 3
7 7
2 2
6 6 Q10
1 1 RSENS MPSA06S Q8
MPSA06S
3 3 3 3
11 11
C27 C25 C34 1 1 1 1
100P 100P 100P
L1
2 2 2 2
BLM31B06
VREF
TP17
R36 R48
R51 10.0 10.0K
6.04K_0.1%
TO CASE EMI PAINT
H1 H2 H3
C36
0.1U
Z5U
BOSS HOLES DB9 RIB
LEFT SIDE RIGHT SIDE
034314
6
INH
11
A
10
B
9
C
C29
12 VREF 0.1U
XO
13 Z5U
X1 RED CHANNEL
2
Y0
1
Y1
TP20
C30
5
Z0 0.12U
3
Z1
VREF R38 +10V R44
C17 C16 100K 100K
1000P 220P U10C
2 2
VCC
LF444CM
Q5 +
2N3906S 1 1 R33 9 4
-
100K
3 3 +10V 8
10
+
11
-
U4A
+
TP2 AD822 C31
R24 2 8 0.068U
-
3.32K 1 CR1
3 + 1N914S
4 -5V
-
C21
TP1
0.47U
+
25V
IR CHANNEL
3216 -5V
TP22
C51
VREF
0.12U
VREF R56 +10V
C20 C23 100K
1000P 220P U10A
2 2
LF444CM
+
Q6 R52
2N3906S 1 1 R58 2 4 100K
-
+10V 100K 1
3 3
3
+
11
-
U8
TP29 7 7 5 5 C50
LF441S
R23 2 2 0.068U
-
3.32K 6 6 CR4
3 3 1N914S
+
-5V
4 4 1 1 8 8
C15
TP24
0.47U
+
25V
-5V
3216
VREF
VCC
R41 C28
LED DRIVE
10.0K 0.01U
R37
2.74K
2 2
VCC U7 VCC Q12
6 16 1 1 2N3906S
INH VCC
11 C33
A 3 3
10 4.7P
B
9 14 +
C X
R46 6 3
+
10.0K 12 15 5 R29
XO Y
13 4 100K
-
X1
R66 4 U6B 2
Z
-
2.74K 2 LT1013S R73
Y0
1 100K
Y1
1 1 7
VEE
Q11 5
Z0
MPSA56S 3 8
Z1 VSS
CD4053S 0.022U
C60 22P
R40 3 3 1 1
22.1K
R71
3 3 CR5 1N914S
1 1 100K
R47 Q7
10.0K 2N3904S TP15 3 3 1 1
2 2
R72
CR6 1N914S
100K
R57
C39
3.32K C49
0.12U
0.01U
VREF +5.7V
C46
+10V 0.015U U12A
1825 LMC6044S
+ R60
CR2
3.32K
1N914S 10 + 4
TP27
+ 8
R34 13 4 VREF 9
- -
100K
14 11
12 +10V - C47
+
11 1000P
-
C32 U10D R53
0.068U LF444CM 13 12.1K R54
100K
V+
-5V
16
15 +5.7V
14 U12C
TP23
LMC6044S R55
GND V-
34.8K
5 4 +
U11D 12 4
+
DG201S 14
13 -
-5V R49 11
-
15.0K
R64
3.32K
R59
C38
3.32K
C52
0.12U
0.01U
VREF +5.7V
C54
+10V 0.015U U12B
1825 LMC6044S
CR3 + R65
1N914S 5 4 3.32K
+
TP21 +
7
R42 6 4 VREF 6
- -
100K 7 11
-
5 +10V C55
+
11 1000P
-
C37 U10B R61
R62
0.068U LF444CM 13 12.1K
100K
V+
-5V 1
2 +5.7V
3 U12D
TP26
LMC6044S R67
GND V-
34.8K
+
U11A 5 4
DG201S 3 + 4
1
2
-
-5V
R63 11
15.0K - R70
3.32K
R32
182K
R43 VCC +10V VCC +10V
182K
TP13
R45 VCC VCC
100K 13 13
TP14
V+ V+
C35 R39 9 8
0.1U 20.0K 10 7
C41 R35 11 6
0.1U 20.0K
C26 V- GND V- GND
4 5 U11C 4 5 U11B
C42
DG201S DG201S
0.022U
-5V -5V
VREF
U14A
74HC00S 14
1
3 C64
2 0.01U
VCC
7
C3
+
47U
VREF 10V
7343
U14B
74HC00S 14
4
6
5 PWM2
7
OFF/ON
LCD_CE
SAMPIR
SAMPRED LCD_CLK
LCD_DATA
IRLED/AV LCD_EN
ZERO-L
51.1K
REDDC
R50
3.32K
REDAC
+
C45 C44
0.47U 0.1U
25V
LCDCOM
3216
SEG12
VCC
C59
0.01U C61
0.01U
PWM0
REDLED/AV
VCC U13
6 16
INH VCC RAW+10V
11
A
10
B
9 14
C X
12 15
XO Y
13
X1
4
Z
2
Y0
C58 1
Y1
0.01U 7
VEE
5
Z0
3 8
Z1 VSS RAW+10V
CD4053S
IRDC
IRAC
R68
+
3.32K C57 C56
0.47U 0.1U
25V
3216 RAW-5V
VREF
C63 U14C
0.01U 74HC00S 14
9
8
10
LCD BACKLIGHT
7
VREF
R4
U14D 604
74HC00S 14
12 PWM1
C62 11
TP9
0.01U 13
7
DS3
REDLED/AV AA1101W
+10V
DS5
AA1101W
C43
0.01U DG201S BYPASS
+ DS1
C48 AA1101W
22U
C53 20V
0.01U
7343
LCD_LIGHT
-5V
IR/RED
OFF/ON
LEDDIS
VREF
VCC
TP12
R28
40.2K
R31
15.8K +
1 6
+
7
PHOTOI
8
-
2
-
U6A
LT1013S
RSENS
NOTES:
1. ALL CAPACITORS ARE 10% 50V 1206 PACKAGE
UNLESS OTHERWISE NOTED.
2. ALL RESISTORS ARE 1% 1/8W 1206 PACKAGE
UNLESS OTHERWISE NOTED.
LCD DRIVER LCD FLEXTAIL
U1
64 64 J3
COM1
63 63 1 1
COM2
LCDCOM
56 56 1 1 2 2
VDD SEG1 SEG1
2 2 3 3
SEG2 SEG2 SEG52
3 3 4 4
SEG3
SEG3 SEG51
C5 58 58 4 4 5 5
VLCD SEG4 SEG4 SEG50
0.01U 5 5 6 6
SEG5 SEG5 SEG49
6 6 7 7
SEG6 SEG6 SEG48
59 59 7 7 8 8
VSS SEG7
SEG7 SEG47
8 8 9 9
C4 SEG8 SEG8 SEG46
9 9 10 10
680P SEG9 SEG9 SEG45
10 10 11 11
0805 SEG10 SEG10 SEG44
11 11 12 12
SEG11
SEG11 SEG43
55 55 12 12 13 13
OSC SEG12 SEG12 SEG42
13 13 14 14
SEG13 SEG13 SEG41
SEG14 14 14 15 15
SEG14 SEG40
15 15 16 16
SEG15 SEG15 SEG39
16 16 17 17
SEG16 SEG16 SEG38
R8 17 17 18 18
SEG17 SEG17 SEG37
51.1K 18 18 19 19
SEG18
SEG18 SEG36
SEG19 19 19 20 20
SEG19 SEG35
60 60 20 20 21 21
CE SEG20 SEG20 SEG34
21 21 22 22
SEG21 SEG21 SEG33
22 22 23 23
SEG22 SEG22 SEG32
61 61 23 23 24 24
SCL SEG23 SEG23 SEG31
25 25 25 25
SEG24 SEG24 SEG30
26 26 26 26
SEG25
SEG25 SEG29
62 62 27 27 27 27
DN SEG26 SEG26 SEG28
28 28 28 28
SEG27 SEG27 SEG27
29 29 29 29
SEG28 SEG28 SEG26
57 57 30 30 30 30
INH SEG29 SEG29 SEG25
31 31 31 31
SEG30 SEG30 SEG24
32 32 32 32
SEG31 SEG31 SEG23
R9 24 24 33 33 33 33
NC SEG32
SEG32 SEG22
34 34 34 34
SEG33 SEG33 SEG21
SEG34 35 35 35 35
SEG34 SEG20
36
36 36 36
SEG35 SEG35 SEG19
37 37 37 37
SEG36
SEG36 SEG18
38 38 38 38
SEG37 SEG37 SEG17
39 39 39 39
SEG38 SEG38 SEG16
SEG39 40 40 40 40
SEG39 SEG15
41 41 41 41
SEG40
SEG40 SEG14
42 42 42 42
SEG41 SEG41 SEG13
43 43 43 43
TP11 SEG42 SEG42 SEG12
44 44 44 44
SEG43
SEG43 SEG11
SEG44 45 45 45 45
TP8 SEG44 SEG10
46 46 46 46
SEG45 SEG45 SEG9
47 47 47 47
SEG46 SEG46 SEG8
48 48 48 48
SEG47
SEG47 SEG7
49 49 49 49
SEG48 SEG48 SEG6
50 50 50 50
SEG49 SEG49 SEG5
51 51 51 51
SEG50
SEG50 SEG4
52 52 52 52
SEG51
SEG51 SEG3
53 53 53 53
SEG52 SEG52 SEG2
54 54 54 54
SEG53 LCDCOM SEG1
NJU6432B N40LCD
R7
182
VIN
POWER ENTRY
+
C6
22U
20V VREF
R12
7343
U2 1.0
8 1
VIN VOUT
TP3 +10V
R6 2 6
GND1 GND3 +
TP28
49.9 3 7 C9 C7
GND2 GND4
0.1U 22U
78L05D 20V
Z5U
+ 7343
C1 C2
0.1U 22U
20V
Z5U
7343
TP25
+5.7V VREF
R10
TP5
-5V 10.0K 3 3
R11 1 1
Q4
49.9 2N3904S
2 2
3 3
Q3 1 1
C8 C10 2N3904S
22U 2 2
0.1U
+
Z5U 20V
7343
IR PRINTER LINK
RAW+10V VCC
R3 DS7
604 LTE-302
TP4
TP19
R2
182
DS6
AA1101W
3 3
1 1
IR_OUT Q1
DS2 2N3904S
AA1101W R1 2 2
10.0K
DS4
AA1101W
PIEZO
BEEP_1
3 3
1 1 Q2
LS1
2N3904S
R5 2 2 AT-17
4.75K
BEEP_2
CPU INTERFACE
VCC VREF
J2
1 1 2 2
REDDC
3 3 4 4
REDAC
5 5 6 6
IRDC
7 7 8 8
IRAC
9 9 10 10
RSENS RAW+10V
11 11 12 12
RAW-5V
13 13 14 14
15 15 16 16
17 17 18 18
19 19 20 20
PWM0 LEDDIS
AGND and DGND for board set are
connected together on CPU board
J1
1 1 2 2
SAMPRED LCD_LIGHT
3 3 4 4
PHOTOI PWM2
5 5 6 6
SAMPIR IR_OUT
7 7 8 8
IR/RED IRLED/AV
9 9 10 10
LCD_EN BEEP_2
11 11 12 12
LCD_CE BEEP_1
13 13 14 14
LCD_DATA LCD_CLK
15 15 16 16
REDLED/AV ZERO-L
17 17 18 18
19 19 20 20
PWM1 OFF/ON
Figure S4-4
LCD PCB Schematic Diagram
FOS S5-7