Yamaha 5KM2-AE1 Service Manual page 399

3.Main switch
Refer to "CHECKING THE SWITCH".
EB806011
4.Wiring connections
Check the connections of the entire signal
G
system.
Refer to "CIRCUIT DIAGRAM".
Check the condition of each of the signal sys-
tem's circuits.
Refer to "CHECKING THE SIGNAL SYS-
TEM".
*
C0NTINUITY
CORRECT
CORRECT
SIGNAL SYSTEM
INCORRECT
Replace the main switch.
POOR CONNECTION
Properly connect the signal system.
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