<Disassembly of the main blocks of the set>
Replacement of the fuses and the power IC
Replacing the fuses (See Fig.1)
Prior to performing the following procedure, remove
the left side BOARD.
1. Replace the fuses inside.
[Caution]
Be sure to use fuses with the specified
ratings.
Replacing the heat sink cover (See Fig.3)
1. Remove four screws
B
from the rear panel.
2. Remove four screws
E
from the heat cover.
3. Pull the heat sink cover outward.
Replacing the power IC (See Fig.2)
Prior to performing the following procedure, remove
the top cover.
1.
Remove the two screws
A
from the heat sink between
the power IC(STK412-430)
2. Remove the four screws
B
from the heat sink the
between the power IC (D1889,B1340)
3. Remove the solder fixing the power IC.
AA
Fig.2
Fig.1
Fig.3
B
E
Fuse (F901)
3.5A 125V
Fuse (F902)
1.6A 250V
B
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