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ELEC
YPVS SERVOMOTOR
SERVICE POINTS
YPVS cable removal and installation
1. Remove:
• YPVS cables 1 and 2
Removal steps:
• Remove the YPVS cable holder 1.
• Remove the YPVS cables 2 from both
drums.
NOTE:
• YPVS cable 2 is identifiable by its white paint
mark a.
• When installing the YPVS cable, make sure
that the YPVS cable locknuts 3 are fully
turned in.
YPVS cable inspection
1. Check:
• YPVS cables 1 and 2
Frays/kinks/rough movement →
Replace.
YPVS servomotor inspection
1. Check:
• Check the YPVS servomotor operation
using the Yamaha Diagnostic System.
CAUTION:
Do not disassemble the YPVS servomotor
unit. It is a sealed unit and if it is faulty it
must be replaced.
YPVS cable adjustment
Refer to "POWER UNIT" in Chapter 3.
7-41
E