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Group
28
Ignition
systems
Design and function
5
+
210
0
5
6
3
4
2
1
0
TZ·28H
B19E1ET,
B23E,
The 'control
unit' (210) consists of a number of electronic circuits operating a
mary current in the
ignition coil.
generator
in
the
distributor
also feature
s
a
stand
ing current cu
cu
rrent
speed signals
'Control unit' connections
1.
Controls ignition coil
2. Ground terminal
3.
generator ground
4.
Power
supply
(12
V)
5.
Hall
generator power
6. Receives
engine speed
44
-
System descriptions
B230A
The
'control
unit' interrupts
(5)
and
ensures
that the
t
-off
fun
ction
are present
.
:
(4)
primary
current
terminal
supply
(12
VI
and
crankshaft position signals
6
15
1
TZ-28H
the
current on
ignition
coil is
fully
wh
ich
prevents
overheating
from
Hall
generator
30
o
o
o
15
3
power
circuit
which
receipt
of
an ignition
cha
rged
between pu lses.
of
the ignition coil by interrupting the
o
controls
the pri-
pulse
from
the
The
'co
ntrol
unit'
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