Welch Allyn Spot Vital Signs Service Manual

Service Manual Technical overview 53
Interconnect diagram
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
VALVE+
PUMP-
VALV E-
PUMP+
CHGND
BATGND
BATTIN
BATFUSE
CHGIN
RED
BLK
BCRX
MUX_TXD232
SPIN
/BONE
DB9 PIN 3 TXD
DB9 PIN 2 RXD DB9 PIN 7 RTS DB9 PIN 5 GND
NO CONNECT
+5V
Title
Size Document Number R ev
Date: Sheet
of
REFERENCE ONLY A
SPOT INTERCONNECT DIAGRAM
C
11
Thursday, February 01, 2007
SPO2 CONNECTORS
SPO2 DB9
TO PATIENT SENSOR
LCD / BUTTON
RIBBON CABLE
LCD MODULE
J307
LCD CONNECTOR
PRESSURE
TRANSDUCER
PUMP
AIR FILTER
VALVE
TEMP POD
RIBBON CABLE
TEMP POD
BOARD
A2
A1
B3
A3
B2
B1
SURETEMP PROBE
CONNECTOR
(TOP VIEW)
IR COMM
PORT
FFC
FFC
SERVICE
PORT
Ferrite
CHARGER
CHARGE
JACK
VREG
- +
BATTERY
NELLCOR SPO2 MODULE OR
MASIMO ADAPTER BOARD
AND MASIMO SPO2 MODULE
INTERNAL TRACES CONNECTING
PATIENT SENSOR TO SPO2 MODULE
PIN 1
PIN 6
RJ-45
DB9
TTL TO RS-232
LEVEL SHIFTER
TTL
RS-232
DB9
HOST
COMPUTER
WITH WA
REPAIR
SOFTWARE
B&B ELEC
TRONICS
232LPTTL
EXTERNAL BP HOSE CONNECTION
J1
TEMPERATURE POD
1 2 3 4 5 6 7 8 9 10
TP1
TP
1
J302
SERVICE PORT
1 2 3 4 5 6
U311
HSDL-3610#007
VCC
1
AGND
2
GND
3
MD0
4
MD1
5
GND
7
RXD
8
TXD
9
LEDA
10
NC
6
SHIELD
11
TP2
TP
1
J305
SPO2_2
1
2
3
4
5
6
7
8
9
10
D308
10MQ100N
1 2
J304
SPO2_1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J308
BATTERY / CHARGER
1 2 3 4
J306
DB_9
6
6
8
8
7
7
2
2
1
1
5
5
9
9
3
3
4
4
SHIELD
10
SHIELD
11
JP23
PUMP / VALVE
1
2
3
4
5
J307
LCD/BUTTONS
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
F301
FUSE 5A

Welch Allyn Spot Vital Signs Specifications

General

Pulse Rate Measurement	Yes
SpO2 Measurement	Yes
Display	LCD
Power Source	Rechargeable battery or AC power
Temperature Measurement	Yes
Connectivity	Optional with wireless connectivity
Pulse Rate Range	30-220 bpm
NIBP Diastolic Range	20-195 mmHg
SpO2 Range	70-100%
Temperature Range	80 °F to 110 °F (26.7 °C to 43.3 °C)
Battery Life	Approximately 8 hours of continuous operation
Weight Capacity	Not applicable
Height Measurement Range	Not applicable