Yamaha YSR50T Service Manual page 195

SIGNAL SYSTEM
(
ELEC
1
Tester
( +
1
L e a d j R e d
@
Lead
Tester
(
-
)
Lead+ Brown
@
Lead
*Turn the main switch to "ON" and "OFF".
*Check the main switch for continuity.
Switch
I
Good
I
Bad condition
position condition
OFF
1
x I O x I O
0:
Continuity
x :
Nocontinuity
GOOD CONDITION
BAD CONDITION
I
Main switch is faulty, replace
it.
I
I
INCORRECT
4. Wiring connection
Check the entire signal system for connections.
Refer to the "WIRING DIAGRAM" section.
I
I
Correct.
CORRECT
Go t o the "SIGNAL SYSTEM TEST AND
CHECK" section.