Nav48 Circuit Board; Pnms8 Circuit Board; Fdin (1/4—4/4) Circuit Boards - Yamaha M7CL-32 Service Manual

M7CL-32/M7CL-48

NAV48 Circuit Board

[20b]: Switch knob LENS (White)
[20d]: Switch knob LENS (Gray) [20c]: Switch knob LENS (Yellow)
Photo 14
E. Disassembly Procedure of Control Panel 2 Assembly
* If it is difficult to remove the circuit board with
the control panel 2 assembly inclined about 45
degrees by the control panel stays, remove them
and place the unit on a cloth before working.
E-1. FDIN (1/4—4/4) Circuit Boards
(Time required : About 5 minutes each)
E-1-1 Remove the front plate. (See procedure 1)
E-1-2 Fix the control panel 2 assembly. (See procedure 3)
E-1-3 FDIN (1/4) Circuit Board:
E-1-3-1Remove the eight (8) fader knobs marked [40A]
from the control panel side. (Fig.15)
E-1-3-2Remove the six (6) screws marked [32B]. The FDIN
(1/4) circuit board can then be removed. (Fig.15)
E-1-4 FDIN (2/4) Circuit Board:
E-1-4-1Remove the eight (8) fader knobs marked [40B]
from the control panel side. (Fig.15)
E-1-4-2Remove the six (6) screws marked [32C]. The FDIN
(2/4) circuit board can then be removed. (Fig.15)
E-1-5 FDIN (3/4) Circuit Board:
E-1-5-1Remove the eight (8) fader knobs marked [40C]
from the control panel side. (Fig.15)
E-1-5-2Remove the six (6) screws marked [32D]. The FDIN
(3/4) circuit board can then be removed. (Fig.15)
E-1-6 FDIN (4/4) Circuit Board:
E-1-6-1Remove the eight (8) fader knobs marked [40D]
from the control panel side. (Fig.15)
E-1-6-2Remove the six (6) screws marked [32E]. The FDIN
(4/4) circuit board can then be removed. (Fig.15)
* When installing the fader knob, the concave side
should be to the right. (Fig.15)
44
These are not installed
on the NAV32 circuit board.

PNMS8 Circuit Board

[30a]: Button L (Blue)
[30b]: Button L (Gray)
[30c]: Button L (White)
Photo 15
[30d]: Button (Gray)
[30e]: Button S (White)