Sanyo SFX-11 Service Manual page 23

(9)
Power suPply
ch=k (M5)
T
@
Check other fault condition.
@) Restart after exchanging the fault parts.
J
IIS +24V Output?
NO
YES
>
IS
F501
Blow
Off?
INO
'v"
1
ES
+
Is TP501 open?
—1 'Es +@
NO
?yEs'qT-'T;:
Is ZD502 short~.
Is ZD503 short?
NO
@
Is Q506 short7
~~ YES
IS
D50=\
'Es 'B
-S ~
Is D504 short?
1
NO
I Is IC501 works?
I 'Es @
1
NO
@
*;
Is D508 short'?
1
NO
IS D50- =%
1 NO
Restart after Q506 exchanging.
T"szD504=y Es'@
YES
1-
1s +12V output'? —1 '0 ~@ 6
!YES
+
I Is –12V output'? I '0
~@
*"
E nd.
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