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Mechanical Disassembly
3. Circuit Board and Electric Parts Removal
Remove the cabinet back and can be seen the chassis.
1) Sub Board Removal
Remove the 12 screws to take the shield cover off. And remove the Sub Board.
2) Main Board Removal
The Main Board is attached in the bottom of the Sub Board. Remove the Main Board after removing Sub Board
previously.
3) Power Unit Removal
A Fan (FN903) is attached on the Power Unit. Remove the Power Unit after removing a Fan (FN903) together with
the mounting bracket.
4) Speaker Removal
Remove 4 screws to take the speaker box off.
Remove 8 screws to take the speaker off.
Location of Circuit Board and Electrical Parts
ASSY, PWB, SUB (Top) &
ASSY, PWB, MAIN (Under)
ASSY, PWB,
KEY SW
ASSY, PWB,
JACK-A
ASSY, PWB,
FILTER
POWER UNIT
ASSY, PWB,
JACK-B
ASSY, PWB,
CONTROL
ASSY, PWB,
POWER SW
Speaker
FAN (FN901)
FAN (FN903)
Speaker
Box
Speaker Box
Speaker