Receptacle Assembly; Power Supply Assembly; Ac Circuit Board; Ac Inlet Assembly - Yamaha M7CL-32 Service Manual

A-8. Receptacle Assembly
(Time required: About 5 minutes)
A-8-1 Remove the front plate. (See procedure 1)
A-8-2 Fix the control panel 1 assembly. (See procedure 2)
A-8-3 Remove the four (4) screws marked [260A] and the
screw marked [270A]. The receptacle assembly can
then be removed. (Fig.5)
A-9. Power Supply Assembly
(Time required: About 5 minutes)
A-9-1 Remove the front plate. (See procedure 1)
A-9-2 Fix the control panel 1 assembly. (See procedure 2)
A-9-3 Remove the four (4) screws marked [320] and the
screw marked [330]. The power supply assembly
can then be removed. (Fig.5)
A-10. AC Circuit Board, AC Inlet Assembly, DC
Fan Motor, Power Supply Unit
A-10-1 Remove the front plate. (See procedure 1)
A-10-2 Fix the control panel 1 assembly. (See procedure 2)
A-10-3 Remove the power supply assembly. (See
procedure A-9)
A-10-4 AC Circuit Board (Time required: About 6 minutes):
A-10-4-1 Remove the four (4) screws marked [180]. The
AC case can then be removed. (Fig.7)
A-10-4-2 Remove the four (4) screws marked [130]. The
AC circuit board can then be removed. (Fig.7)
* The power switch knob is not part of the AC
circuit board. When replacing the AC circuit
board, remove the power switch knob from the
AC circuit board, and install it on the new
circuit board. (Photo 8)
A-10-5 AC Inlet Assembly (Time required: About 6 minutes):
A-10-5-1 Remove the four (4) screws marked [180]. The
AC case can then be removed. (Fig.7)
A-10-5-2 Remove the two (2) supports marked [50]. The
AC inlet assembly can then be removed. (Fig.7)
A-10-6 DC Fan Motor (Time required: About 5 minutes):
A-10-6-1 Remove the three (3) screws marked [260B]. The
PW fan case can then be removed together with
the DC fan motor and fan case. (Fig.7)
A-10-6-2 Remove the two (2) screws marked [250A]. The
fan case can then be removed together with the
DC fan motor. (Fig.7)
A-10-6-3 Push the DC fan motor to remove it from the fan
case. (Photo 9)
* The four (4) fan holders are not part of the DC fan
motor. When replacing the DC fan motor, remove the
four (4) fan holders from the DC fan motor and install
them to the new DC fan motor. (Fig.7, Photo 9)
A-10-7 Power Supply Unit (Time required: About 8 minutes):
A-10-7-1 Remove the four (4) screws marked [180]. The
AC case can then be removed. (Fig.7)
A-10-7-2 Remove the AC circuit board. (See procedure A-10-4.)
A-10-7-3 Remove the DC fan motor. (See procedure A-10-6.)
A-10-7-4 Remove the seven (7) screws marked [30]. The power
supply unit can then be removed from the AC frame. (Fig.7)
M7CL-32/M7CL-48
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