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5.1
No Output
(
No Output
»
Is Fl Blown?
J* the 115 V/230 V select
\\\o
switch set properly?
Note 1
(Is it properly set at 115 V
for line voltage 115 V?)
Ts the 115 V/230 V select
set select switch
switch set properly?
properly.
(Is it properly set at 230 V
No
Replace Fl
for line voltage 230 V?)
Yes
'
Yes
Is RF40 defective?
Replace RF40
No
'
Yes
Is C50 or Col
Replacement
defective?
No
!
Yes
Is Q40 defective?
Replacement Q40
Notes 2 and 3
No
|
'
Cis Q140 defective?
NOTES 1:
When replacing fuses, use Matsushita parts with proper ratings.
Replacement 9140
Notes 2 and 3
2:
Transistor destruction occurs when the feedback operation from
the secondary side circuit does not work.
Therefore the
secondary side circuit and the photocoupler feedback circuit
must also be checked.
3:
Transistor destruction occurs when the fan does not rotate
normally.
Therefore the fan rotation must also be checked.
V- 12
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Troubleshooting
