Yamaha 2008 YW50X Service Manual page 220

,ON,T,OO S STEM IE'EC I I
5. Pickup coil resistance
• Disconnect the pickup coil coupler from
the wireharness.
• Connect the pocket tester (~ × 100) to the
pickup coil terminal.
Tester (+) lead->White/Red lead (~
Tester (-) l e a d , W h i t e / B l u e (~)
• Check the pickup coil for specificated re-
sistance.
- ~ Pickup coil resistance:
248~ 372 ~Q at 20°C (68°F)
(Wh ite/Red-Wh ite/Blu e)
~N7 MEET
SPECIFICATION
6. Source resistance
• Disconnect the source coil coupler from
the wireharness.
• Connect the pocket tester (~ × 100) to the
source coil terminal.
Tester (+) lead->Black/Red lead (~
Tester (-) l e a d , G r e e n / W h i t e (~
• Check the source coil for specificated re-
sistance.
- ~ Source coil resistance:
640 ~ 960 E2 at 20°C (68°F)
(Black/Red - Green/White )
~ 7 MEET
SPECIFICATION
7.
Main switch
Refer to "CHECKING SWlTCHS" section.
CONTINUITY
OUT OF SPECIFICATION
I Pickup coil is faulty, replace it.
OUT OF SPECIFICATION
I Source coil is faulty, replace it.
NO CONTINUITY
I Main switch is faulty, replace it.
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