Yamaha MM700F, Service Manual

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8-28
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ELEC
SIGNAL SYSTEM
BACK BUZZER DOES NOT SOUND. (VX700DX/VT700)
Check the main fuse,
“IGNITION” fuse and “TAIL” fuse.
Refer to “FUSE INSPECTION” in CHAPTER 2.
OK FAULTY Replace the main fuse, “IGNITION” fuse and/or “TAIL”
fuse.
Check the battery.
Refer to “BATTERY INSPECTION” in CHAPTER 2.
OK OUT OF SPECIFICATION Replace and/or charge the battery.
Refer to “BATTERY CHARGING” in CHAPTER 2.
Check the stator coil and pickup coil.
Refer to “IGNITION SYSTEM”.
OK OUT OF SPECIFICATION Replace the stator coil assembly.
Check the main switch.
Refer to “IGNITION SYSTEM”.
OK FAULTY Replace the main switch.
Check the gear position switch.
OK FAULTY Replace the gear position switch.
Check the load control relay.
Refer to “IGNITION SYSTEM”.
OK FAULTY Replace the load control relay.
Check the DC back buzzer.
OK DOES NOT SOUND Replace the DC back buzzer.
Correct the connection and/or
replace the rectifier/regulator
and/or CDI unit.