GE Dash 3000 Service Manual

Equipment overview: Theory of operation
2000966-542D Dash 3000/4000/5000 2-25
DAS block diagram with Nellcor 05 (OxiMax) SPO2
+3.3V
DEFIB PROTECTION MODULE 414639-
DUAL TEMP/
CARDIAC
OUTPUT
INV BP1/BP3 INV BP2/BP4
SpO2
NBP
ETCO2
11 PIN
ECG
INPUT
CONNECTOR
4-IBP and SUPER BP -- 2013329-
001
TEMP CH1 -- 401788-
004
TEMP CH2 -- 402100-
004
Em
p
t
y
NBP PUMP
ASSEMBL
Y
NBP VALVE/MANIFOLD
ASSEMBLY
NBP
INTERFAC
E
AS
I
C
OVERPRESSUR
E
TRANSDUCE
R
NBP CUFF
PRESSURE SENSO
R
CO2 SIGNAL PROCESSING & BARO PRESS -- 801368-
001
CO2 IR SOURCE DRIVE / HEATER CONTROL -- 801370-
001
TRANSDUCE
R
SIGNAL
CONDITIONIN
G
H0 H1
H2 H3
H4
H5
H6
H7
HA0
HA1
HA2
HRD*
HWR*
HCS*
+3.3V +3.3V
+5V +5V
+9-18V +9-18V
GND
GND GND GND GND GND
GND
GND
SERIAL _DATA_IN
SERIAL_DATA_OUT
NBP_ENABLE
RESET*
7.3728
MHz
68HSC05
RESPIRATION
COUPLING CAP
MUX & A/D
VREF
DC-DC
CONVERTE
R
SECONDAR
Y
CIRCUITRY
+12V
-12 V
+5V
+12V
-12 V
+5.5V
BAROMETRIC
PRESSURE
SENSOR
(MOUNTED ON
801368-001 HYBRID)
LDO
REG
+5V
(TO
DIGITAL
CIRCUITRY)
ISOLATION
BARRIER
ISOLATION
BARRIE
R
ISOLATION
BARRIE
R
DC-DC
CONVERTE
R
SECONDAR
Y
CIRCUITRY
DC-DC
CONVERTE
R
PRIMARY
CIRCUITRY
DC-DC
CONVERTE
R
PRIMARY
CIRCUITRY
+9-18V
+9-18V
PS FEEDBACK
COUPLER
7.5KV SPARK GAP
DIGITAL DATA
COUPLERS
PS FEEDBACK
COUPLER
DIGITAL DATA
COUPLERS
TRANSCUTANEOUS
PACE - BLANKING
CONTROL
7.5KV SPARK GAP
DAS_ID0
DAS_ID1
Serial
E
2
PROM
4K x 8
CO2
INTERFAC
ASIC
FLASH
512K x 8
SRAM
128K x 8
MUX & A/D
VREF
RESPIRATION DEMODULATOR -- 400871-
001
RESPIRATION CARRIER -- 400870-
001
ECG PREAMP (I,II,III,V/V1) -- 400869-
004
ECG PREAMP II (V2-V6) -- 401790-
001
PACE DETECT (I,II,III,V/V1,V2-V6)-- 800982-
001
FINAL AMP (I,II,III,V/V1) -- 401787-
001
FINAL AMP (V2-V6) -- 401787-
001
PACE REJECT (I,II,III,V/V1) -- 401786-
001
PACE REJECT (V2-V6) -- 401786-
001
GENERAL
PURPOSE
8-BIT
HOST
INTERFACE
+9-18V +9-18V
PWR_ENABLE*
TC_PACER_BLANK*
22.1184
MHz
MOTOROL
68332
RESET IC
38.4
KHz
DASH Nellcor 05 Data
DETAILED BLOCK DIAGRAM
UART
MP100
PCB
Module
LDO
REG
(TO SPO2
CONNECTOR)
I
S
O
L
A
T
I
O
N
932A

GE Dash 3000 Specifications

General

Brand	GE
Model	Dash 3000
Category	Monitor
Language	English