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6-49
explains
Fig.
when
is
il
flows
Q1
ON,
wheel
diode.
When
fly
regulated
output.
ICl00
is
width
pulse
nanillnfinn
wnvn
.
~
1
-
" ' ~
triangle
~-~-------v
controlled
comparator
output,
and
ll
pin.
8
The
difference
Amplifier
pin
15
and
16
control
+l2V
6-10-2
Regulating
is
obtained
regulator
*l2V
of
the
transformer
Tl
transformer
T1
and
switching
is
Then,
+22V
gained
and
IC200
Q200,
Q201
synchronise
operation
it
Therefore,
operates
IC100.
by
p
internal
that
For
reason,
operation.
to
prevent
outputsthe
pulse
IC200
ofPWM
output,
comparator
output
direct
current
The
then
output
~ d
Q201,
C201
T201
nrough
to
L20lB
(D201A
and
are
-SV
regulating
-l2V,
6-10-4
takes
-SV
regulator
-l2V,
Transistor
and
switching
T1
their
D300
and
output
obtained.
-SV
output
are
becomes
unneccessary
power
incorporated
shut
down
are
of
diagram
The
block
All manuals and user guides at all-guides.com
details
of
the
regulated
the
(a)
through
D100
the
is
stored
energy
control
R112
and
IC,
r " i ' r r ' n i + '
i n h11'i'|1'
Rv
---~---f
-~
-1
pulse
output
consist
of
pin
1
current.
output
circuit
method.
following
as
is
rectified
D200.
by
Tansistor
Q1.
T200
C200.
through
to
is
width
the
pulse
same
IClOO
and
master
as
the
under
triangle
in
IC200
oscillator
8
and
pin
output
to
SV
supply.
similar
to
is
controlled
voltage
is
obtained
voltage
insulated
is
to
which
diode)
wheel
the
fly
circuit
which
the
out
output
2nd
wiring
Q1
at
controlled
3
terminal
by
is
IC300
IC400
and
in
IC.
Also,
loss
in
IC.
shown
and
IC300
IC400
are
79
circuit.
is
il2
and
if
OFF
Q1
in
T100.
Total
ill
which
C112
connect
to
niF=("P§
nf
7
PWN
~----
-
:-~e~-
--
-~~
is
used
drive
to
pulse
and
2
control
the
output
The
from
output
This
is
oscillated
output
This
+22V
is
chopped
control
SV
IC
as
IC
200
slave.
as
circuit
generating
wave
circuit
short
has
controlled
11
which
are
darlington
chopping
by
T201,
then
output
through
side.
the
lst
wiring
is
oscillatedlby
then,
side
of
Tl.
IC400
regulator
series
called
are
so
protection
current
over
6-SO.
at
fig.
D100
(b)
flows
through
and
becomes
i12
5
and
6
makes
pin
(DHTRQ
widfh
mnd1I1¢3_f;iQn\
---~
~v---
r - - - v
transformer
T3
at
voltage
and
Amp.
2nd
side
wiring
by
switching
down
+l2V
by
to
which
have
the
supply
which
decided
was
14
pin
of
of
6
and
2
pieces
inbuilt
by
circuit
of
Q200
is
obtained
voltage
transformer
switching
by
it
is
regulated
-12V
and
and
IC300,
control
method,
dropper
and
thermal
,
IC20O
D400,
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