20
1
2
4
1
2
4
F
E
D
C
B
A
GM-3100T/XU/EW
Caution when re-assembling the Amp Unit and the Heat Sink
Remove five black screws (M3 x 10).
Remove three white screws (M3 x 12).
Amp Unit
Heat Sink
Heat Sink
Amp Unit
RCA Holder
Move the Amp Unit
Fig. 3
Stud
Stud
2
2
2
3
3
1
1
1
1
1
2
3
1
A
Removing the Amp Unit (Fig. 3)
Caution)
The Amp Unit is adhered on the Heat Sink with
silicon grease. This means forcibly removing the
Amp Unit from the Heat Sink may break the
PCB.
Be aware that the RCA Terminal may break
unless the Amp Unit and the Heat Sink are
assem-bled following the correct procedures
given below.
1) Secure the RCA-side Panel on the Heat Sink
with screws. (Fig. 2)
2) Place the Amp Unit on the Heat Sink aligning
with two studs. (Fig. 4)
Caution in steps 2) and 3)
When you place the Amp Unit on the Heat Sink,
you will find no positioning marks to determine
the direction of two panels. To position them
correctly, the Amp Unit needs to be moved to
the place where it comes in contact with the
RCA-side panel.
If you do not position them, an excessive force
can be applied to the RCA Terminal. This may
result in breakage.
4) Secure the RCA-side Panel and the RCA
Holder with screws. (Fig. 2)
5) Secure the Amp Unit on the Heat Sink with
screws. (Fig. 3)
6) Secure the Panel for the Power Terminal side
in place with screws. (Fig. 2)
Fig. 4
RCA Terminal
(CN801)
Panel for the
RCA side
A
(Since screw threads differ, and screws cannot be used.)
1
2
Screw holes in the PCB are printed with
numbers 1 to 8.
Remove screws in numerical order.
Re-assembly takes the reverse order of
disassembly.
Remove all of the eight screws. Then,
remove the two black screws (M3 x 5).
Tighten screws whose length is M3 x 8 or
more into the two screw holes so as to
raise the Amp Unit above the Heat Sink.
Then, remove the Amp Unit.
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