TROUBLESHOOTING
1.No power
Check fuse F101.
Yes
Is F101 blown up?
NoReplace F101.
Check fuses F2, F3, and F4.
Are the fuses blown up?Yes
NoReplace F2, F3, and F4.
Measure output voltages of
the transformer.
Are the voltages 40 V ACYes
and 8 V AC?
Replace main PCB.No
Check the power switch.
Is it OK?No
YesReplace the power switch.
Check position of voltage
selector.
No
Is it OK?
YesSet the voltage selector at
proper position.
Replace the transformer.
N 13 N |