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Waveform
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Waveform
CID
Waveform@
"1
320V
-------ov
_____
""'lov
2·2. When extremely
low
output
voltage is
encountered
I
If
Waveform @
I
R5,
RS
in
failure
Waveform@
Several volts
or
more
..LI
----~--~----ov
(
Start
I
Observe waveform
between
the
collector
and
emitter
of
Q1
I
I
If
Waveform@
I
R9, C12,
C",
Q3
in
failure
Waveform@
Unstable waveform
-
~
\
2·3. When extremely high
output
voltage is
encountered
(7 -
tOy)
PC1,Q3,R7,RS,C11
in
failure
N
25
1
If
Waveform(§)
I
PC1, IC21, C25
in
failure
Waveform(§)
R21, PC1, IC21, R22,
R23
in
failure