Yamaha F30A Service Manual page 264

– +
ELEC
3. Check the Rectifier Regulator for conti-
nuity. Replace if out of specification.
NOTE:
The voltage values given in the table are for
reference only. If voltage is produced, there
is continuity, and, if there is an overload,
there is no continuity. Refer to the table to
determine if there should or should not be
continuity and replace the Rectifier Regulator
if out of specification.
5R
3Y1
4Y2
6B
Gy
b
NOTE:
Be sure to set the measurement range a,
and display the mark b by pushing the
"SHIFT" switch when checking the Rectifier
Regulator continuity.
8-27
Electrical system
B6
R5
Gy
Y13
Y24
S67C8060
a
S6S18360
Rectifier Regulator continuity
(testing diode)
Tester lead
Display value (V)
(reference data)
+ -
Y1 3 R 5
Y1 3 B 6
Y1 3 Y2 4
Y2 4 R 5
Y2 4 B 6
Y2 4 Y1 3
B 6 R 5
B 6 Y1 3
B 6 Y2 4
R 5 B 6
R 5 Y1 3
R 5 Y2 4
OL: Indicates an overload
Conti-
nuity
0.447 Yes
1.503 Yes
OL No
0.439 Yes
1.502 Yes
OL No
0.416 Yes
OL No
OL No
OL No
OL No
OL No
67C3K11