
Innomed Medical
Heart Screen 60G-80G-L
Service manual
2014.01.09
11/84
D-5450-1-B_HS60G80GL_SM_ENG.doc
5.2.2 EKG amplifier unit block diagram:
L
F
R
CH1
CH2
V1-V6
L
V1
N
F,L,R
C
V6
Active „N”
point loop
Latch-up check and
pace detection
ECG
input
MPX
8/1
A/D
convert
PIC
uController
Reference
circuit
Isolating
power
supply
Opto-
connections
Signal shape
generating
circuits
MPX addr.
To digital part
P7
Block on/off
Data out
Shielding
Isolating strip