Service manual

PREFACE
vii
DUPLO DF-755 86V-M12D0-0
Prior to beginning servicing work, be sure to turn off the power switch and disconnect
the power plug from the socket-outlet.
Accidentally operating the product during servicing work could result in injuries.
When checking operations with covers removed, be careful not to let hands and
clothing get caught in movable parts, etc.
Remove any dust that accumulates on the power plug prongs and the surface of the
plug from which the prongs extend.
Accumulated dust could result in a fire.
Always grip the plug when disconnecting the power plug from the power outlet.
Forcibly pulling on the power cord could cause damage, resulting in a fire or an
electrical shock.
Do not disassemble the product more than necessary.
Disassembling parts for which no technical information, etc. is provided in this
manual, parts catalogue, technical information guide, etc. could result in fire,
electrical shock, and malfunction.
Do no disable the safety function of the product.
The safety function protects the user and product. Do not remodel the product in
such a way that it disables the safety function.
Do not touch or insert foreign objects into any rotating part during operation.
This could result in injury.
Prior to beginning servicing work, be sure to check this manual and all technical
information provided.
Use the designated tools, solvents, and lubricants as well as safety clothing when
performing servicing work.
To prevent electrical damage of electrical parts, prior to beginning servicing work, touch
metal parts which are properly grounded to remove static electricity accumulated in the
human body.
Static electricity occurs when clothing rub against each other and this can
accumulate in the human body.
This static electricity can damage electrical elements and change the electrical
characteristics of devices.