MX-K3
1-6
[Caution] Be sure to use fuses with the specified
ratings.
Replacing the fuses (See Fig.1)
1.
Prior to performing the following procedure, remove
the top cover.
Replace the fuses inside.
1.
2.
3.
4.
Prior to performing the following procedure, remove
the top cover.
Remove the two screws "A" that attach the heat
sink cover to the rear panel.
Pull the heat sink cover outward.
Remove the two screws "B" from the bracket that
retains the power IC.
Remove the solder fixing the power IC.
Replacing the power IC (See Fig.2 to 4)
Fig.4
Fig.1
Fig.3
Fig.2
<Disassembly of the main blocks of this set>
Replacement of the fuses and the power IC
B
A
Heat sink
Amp. board
Fuse (F951)
2.0A 250V
Fuse (F953)
1.25A 250V
Power trans board
Fuse (F952)
1.6A 250V
Chassis
Heat sink cover
Rear panel
Rear panel
Rear
Power IC
soldering part
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