Yamaha EF2200iS, Service Manual

Page: 106 / 162

ELECTRICAL COMPONENTS
5-7
1
2
3
4
5
6
7
8
9
10
EL
E
C
TR
IC
AL
INSTALLING THE CONTROL UNIT
1.
Install:
• Control unit “1”
TIP
Install control unit “1” inside of projection “a” of base mount
“2”.
CHECKING THE SWITCH CONTINUITY
Check each switch for continuity with the tester. If the con-
tinuity reading is incorrect, check the wiring connections
and if necessary, replace the switch.
TIP
• Before checking for continuity, set the digital circuit tester
to the “

” range.
• When checking for continuity, switch back and forth
between the switch positions a few times.
Measurement example of the electric components
1
2
a
Ω”
”
O.L”
”
Never insert the tester probes into the coupler termi-
nal slots. Always insert the probes from the opposite
end of the coupler, taking care not to loosen or dam-
age the leads.
Model 88 Multimeter with tachometer:
YU-A1927
Digital circuit tester (CD732):
90890-03243
NOTICE
W
W
W
W
O
O L
L
A. Connect the connector and check.