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(9) Power supply check (M5)
(A) Check other fault condition.
es
Restart after exchanging
the fault parts.
Is +24V output?
Is F501 Blow off?
wes
N
YES
is Q506 short?
=
Is D505 short?
YES
NO
NO
Is D504 short?
ES
Is D507 short?
NO
<
m
¢9)
is Q501 short'?
O
Is +5V output?
NO J is ZD504 short?
JES
is 1C502 normal?
YES
®
O
Is +12V output?
ne,
YES
is —12V output?
NO
YES
Cathode
of D505
is normal
(+28~+35V)'P
,
YES
YES
End.
Y
'
ES..®
Is ZD501
short?
ES
NO
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