Technical Service Information 2003
Model 2120
P/N 4049-000 Rev A
English
10uF
R9
10k
C7
0.1uF
+5V_OXI
C60
REV ORIGENAPPDDATE
A
2714
B
2726
VCC
MR
C44
0.1uF
-3.5V
C16
47uF
+5V_OXI
4
3
V_BATT_S
Oximeter Data
Serial_Input
SHEET
13
V_BATT_S
C59
C58
0.1uF
0.1uF
J1
1
6
2
7
3
8
4
9
+
C61
0.1uF
L4
5
C8
100pF
R10
4.7K
R13
4.7K
C5
0.1uF
U2
8
7
6
DP1
2
C6
7
Q1
Ground
Guard
Band
D1
-3.5V
11
-
U6A
2
+
3
4
+5V_OXI
IN
FB
TP
+5V_OXI
1
0.1uF
U6B
1
1
OUT
2
SE
GSD
43
3
R7
1.5K
5
+
6
-
Q2
R11
10K
U7A
4
0.1uF
IN
C57
3 9
C1 S
D2
+5V_OXI
C2
10uF
+5V_OXI
R19
100K
+5V_OXI
+
C0
R2
20
+
C3
330uF
SHIELDED AREA
U6C
10
5
+
9
-
C9
10pF
R16
90.9K 1%
R17
909 1%
C12
+
+
3.3uF
Ground
Guard
Band
-3.5V
R20
100K
8
C13
3.3uF
5
1
4
MAX4541
U9
NO2
NO1
V-
R3
14
+5V_OXI
8
2
8.2
U7B
V+
COM1
5 4
6
7
8 1
13 111216
C1 SC0V
IN
3
IN2
7
IN1
COM2
6
U4
DI9952/SO
+5V_OXI
VEG INH
78 6
-3.5V
C1
U5
3
2
R4
18
5 4
6
7
8 1
DI9952/SO
3
2
0.1uF
RED
R6
100k
IRED
R8
100k
INTEGRATE
AMBIENT
+5V_OXI
R12
2M
U7C
R14
20.5K 1%
-
2
1
+
3
U8A
1 10
C1 S
15
IN
C10
1200pF
-
13
14
+
12
U6D
2
C0
-3.5V
4
-
6
7
+
5
U8B
8
+5V_OXI
C11
0.1uF
C14
0.1uF
CLEAR
ZERO
R18
100K
CROSS
IRED
RED
SENSOR TYPE
R21
100K
R22
Y1
10M
C17
22pF
C18
22pF
Oximeter Circuit
U3
7
PA0
6
PA1
18
PC7
3
PA4
2
PA5
33
TCMP
35
TCAP
5
PA2
4
PA3
29
PD2
34
PD7
36
OSC2
37
OSC1
+5V_OXI
38 43
VDD
VSS
17
68HC705C8A
UNLESS OTHERWISE SPECIFIED
DIMENS IONS ARE IN INCHES
TOLARANCES ON
.X
.XX
.XXX
ANGLES
THIRD ANGLE PROJECTION
VPP
RESET
IRQ
PD1
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PA6
PA7
PD3
PD4
PD5
PD0
PC0
PC1
PC2
PC3
PC4
PC5
PC6
0.0
0.00
0.000
0.0
41
39
NC
40
NC
22
NC
16
NC
42
28
8
9
10
11
12
13
14
15
1
44
30
31
32
27
26
25
24
23
21
20
19
DRAWN BY DATE
JDS
CHECKED BY DATE
O
ELECTRONIC FILE NAME
DRAWING CONFORMS TO
DO NOT SCALE DRAWING
R5
10K
10-29-02
ANSI 14.5M-19994
+5V_OXI
C42
1000pF
C15
+
DP2
47uF
3
2
The information discl osed herein is confidenti al and is proprietary to Nonin Medical, Inc. Nonin reserves
all patent, proprietary and repr oduction rights therein. This information i s not to be used or disclosed
to any p erson s wit hout th e expr ess w ritt en auth oriz ation of a representative of Nonin Medical, Inc.
TITLE
SCHEMATIC, INTERFACE BRD II, 2120
DWG NO.SIZE
4037-000
SCALE
U1
2
RESET
1
Gnd
MAX6314
V_BATT_S
C45
0.1uF
1
+
NONIN MEDICAL INC. PLYMOUTH, MN CONFIDENTIAL
10-21-02
10-29-02
C43
1000pF
OF
B
KLW
JDS
REV
KEW
JDS
V_BATT_S
V_BATT_S
Serial_Input
Oximeter Data
To Oximeter
V_BATT_S
J3
1
2
3
4
NIBP
Connector
Battery
Connector
Battery
Charger
Connector
C68
1uF
NOTES:
* J10 INTENTIONALLY NOT POPULATED
R93 INTENTIONALLY NOT POPULATED
**
5
6
7
8
9
10
0.1uF
C65
C64
0.1uF
C63
0.1uF
+5V
J4
9
10
7
8
5
6
3
4
RS-232
1
2
J5
1
2
3
4
CON4
J6
1
2
3
R85
5.1K
U13
2 1
IN R
1
2
3
GND
4
Connector
V_BATT
Thermistor
-V_BATT
D10
R92
5.1K
+
R84
3.6K
R72
100K
+5V
C67
0.1uF
15
U25
8
R1 In
13
T1 Out
3
V+
7
V-
2
C1+
4
C1-
SP3220
FE2
+
C75
100uF
FE1
C19
0.1uF
1
VCC
SHDN
R1 Out
GND
14
U28
MIC29302
Enable
R63
200K
T1 In
C2+
C2-
EN
R50
402K 1%
510K
1
16
9
11
5
6
C71
.01uF
2
Vin
Gnd
3
R57
R44
0.15 1%
Adjust
IRQ Line
Sound Data
+5V
J2
1
26
252
3
24
AC Enable
23
4
5
22
Gas Guage
21
6
7
MAX1615
OUT
GND
2
C28
0.1uF
INH
DIS
MOD
LED2
LED1
SNS
8
9
10
11
12
13
CON26A
Display
Board
Interface
Connector
D3
S1A
3
45
5/3
16
15
14
11
10
9
20
19
Power Control
18
17
16
15
14
52
R37
R39
R88
140K 1%
R90
R89
100K
10K
100K
R41
100K
85
U29
V+GND
3
THOLD
R60
0.12 1%
+5V
3
4
6
Q4
422K 1%
215
100uH
Q6
4
6
3
+
3.3uF
2
1
5
C77
R56
100K
R59
2K
L5
D5
Q7
R48
100K
R93
**
+
C24
10uf
0
U10
3
1
4
TLV3401
R91
100K
42
OUTHYST
0.1uf
+
C22
C23
100uf
C21
0.1uf
+5V
R47
R46
200K
200K
R52
200K
R58
100K
U15
2
SEG1
3
SEG2
4
SEEG3
5
SEG4
6
SEG5
7
DONE
C30
0.1uf
+5V
2
U12
1
Q8
R42
0.05 1%
U14
5
VIN
4
REF
2
FB
8
GND
SHDN
3
+5V
C27
0.1uF
16
151
VCC
REFLCOM
14
CHG
13
DQ
12
N/C
11
SB
10
DISP
9
SR
VSS
8
4
6
6
CS
3
7
EXT
1
OUT
+5V
R49
100K
C29
0.1UF
Enable
Q3
2
1
5
R45
499K 1%
R54
100K 1%
4
Vout
Vin
Gnd
3
Adjust
R35
5
R36
100K
L6
100uH
D6
C25
330uf
Gas Guage/
Charging
R65
R66
1K
200K
Circuit
Power Supply
UNLESS OTHERWISE SPECIFIED
DIMENS IONS ARE IN INCHES
TOLARANCES ON
.X
0.0
.XX
0.00
.XXX
0.000
ANGLES
THIRD ANGLE PROJECTION
O
0.0
The information discl osed herein is confidenti al and is proprietary to Nonin Medical, Inc. Nonin reserves
all patent, proprietary and repr oduction rights therein. This information i s not to be used or disclosed
to any p erson s wit hout th e expr ess w ritt en auth oriz ation of a representative of Nonin Medical, Inc.
TITLE
SCHEMATIC, INTERFACE BRD II, 2120
DWG NO.SIZE
4037-000
SCALE
+5V
*
J10
Optional
Printer
Connector
C66
0.1uF
C48
.01uF
4
Vout
5
R87
90.9K 1%
+5V
R55
4.53K 1%
R64
3.57K 1%
1
2
3
CON3
R40
2K
D4
S3A
R43
6.8K
R94
390
R86
1M
+
+
C76
C52
100uF
10uF
R51
73.2K 1%
R61
510K
R62
27.4K 1%
+
C33
C32
0.1uf
1uf
C34
1000pf
Q5
D7
U22
1
IN
SHDN
C78
0.1uF
U16
1
DCMD
2
DSEL
4
TM1
3
VSEL
5
TM2
6
TC0
7
TS
8
BAT
VSS VCC
12 13
C31
0.1uf
Serial Clock
Sound Enable
Sound Cmd
V_BATT
V_BATT_S
470K
+
+5V
+
+
C26
330uF
NONIN MEDICAL INC. PLYMOUTH, MN CONFIDENTIAL
To Sound
Module
C51
10uF
REV
B
SHEET
OF
23
IRQ Line
Serial Clock
Sound Cmd
Sound Data
Sound Enable
V_BATT
C35
C72
1000pF
0.1uF
C73
0.1uF
C74
0.1uF
U17
1
Reset
11
IRQ
44
OSC1
43
OSC2
9
TXD
10
RXD
15
SPSCK
14
MOSI
13
MISO
12
SS
+5V
R96
4.7K
C79
0.1uF
Y2
R68
32.768Khz
20M
510K
R67
C38
C39
22pF
22pF
+5V
J8
2
1
4
3
6
5
8
7
10
9
+5V
+5V
+5V
174030
VDD
VDDA
VDDAD
VSS
VSSA
16
414231
VSSAD
C4
0.1uF
CGMXFC
GP32
C49
.01uF
C50
R95
100K
8
32
PTA0
33
PTA1
34
PTA2
35
PTA3
36
PTA4
37
PTA5
38
PTA6
39
PTA7
22
PTB0
23
PTB1
24
PTB2
25
PTB3
26
PTB4
27
PTB5
28
PTB6
29
PTB7
2
PTC0
3
PTC1
4
PTC2
5
PTC3
6
PTC4
7
PTC5
8
PTC6
18
PTD4
19
PTD5
20
PTD6
21
PTD7
R71
10K
.033uF
5
SD
IN
OUT
SE
G
GG
3
6 7
A0
A1
A2
A3
A4
A5
A6
A7
+5VSound
U23
1
2
+
C62
10uF
Sound
C36
A0
A1
A2
A3
A4
A5
A6
A7
A0
A1
A2
A3
A4
A5
A6
A7
0.1uF
U18
8
DB0
7
DB1
6
DB2
5
DB3
4
DB4
3
DB5
2
DB6
1
DB7
14
CLR
13
LDAC
10
WR
9
CS
11
A / B
AD7302
U20
9
CLK
10
LOAD/SHIFT
11
DATA IN
12
DATA OUT
VSS1
181356781416
U24
2
1Q
5
2Q
6
3Q
9
4Q
12
5Q
15
6Q
16
7Q
19
8Q
1
OE
+5VSound
16
15
VDD
REFIN
VOUTA
VOUTB
DGND
AGND
20
17
GNDAC
GND1
GNDAC
+5VSound
11
LE
GND
10
PD
GNDAC
20
VCC
+5VSound
13
VDD1
VSS2
GNDL
1D
2D
3D
4D
5D
6D
7D
8D
+5VSound
C37
0.1uF
4
U19A
C40
OUT1
OUT2
3
+
1
2
-
11
U19B
-
6
7
U19D
12
+
14
13
-
0.1uF
20
IN2
4
IN1
2
17
GNDAC
GND2
19
+5VSound
100K
100K
100K
100K
100K
100K
100K
R76
R77
R78
R79
SW2
11 12
13 14
15 16
100K
R80
R81
R82
R83
1 2
3 4
5 6
7 8
9 10
+
5
R26
910
C20
.01uF
R27
910
10
9
R25
910
C54
.33uF
U26B
C55
.01uF
-
6
+
5
3
2
C56
U19C
+
8
-
R74
1M
7
+5VSound
4
+
-
11
.33uF
U26A
R28
C53
0.1uF
C69
1
910
0.1uF
R70
R73
3K
C70
0.1uF
R75
10K
UNLESS OTHERWISE SPECIFIED
DIMENS IONS ARE IN INCHES
TOLARANCES ON
.X
.XX
.XXX
ANGLES
THIRD ANGLE PROJECTION
12
19
18
15
VDD2
GNDAC
3
4
7
8
13
14
17
18
Module
+5VSound
R1
100K
+5VSound
R29
R69
3.74K 1%
+5VSound
3K
+
C46
1.5uF
D8
12
+
U26D
13
-
0.0
0.00
0.000
O
0.0
C41
U21
4
VIN
1
CD
VO1
3
FC1
2
FC2
VO2
GND VCC
C47
7 6
0.15uF
U26C
10
+
8
9
-
14
The information discl osed herein is confidenti al and is proprietary to Nonin Medical, Inc. Nonin reserves
all patent, proprietary and repr oduction rights therein. This information i s not to be used or disclosed
to any p erson s wit hout th e expr ess w ritt en auth oriz ation of a representative of Nonin Medical, Inc.
TITLE
SCHEMATIC, INTERFACE BRD II, 2120
DWG NO.SIZE
4037-000
SCALE
1K
0.1uF
5
8
J7
1
Speaker
2
Connector
CON2
R30
2K
NONIN MEDICAL INC. PLYMOUTH, MN CONFIDENTIAL
REV
B
SHEET
OF
33
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