EN 9
3139 785 32540
2.2 Service
Hints
2.2.1 Service Hints for Replacing Defective Loader
CAUTION
CHARGED CAPACITORS ON THE SERVO BOARD MAY DAMAGE THE DRIVE
ELECTRONICS WHEN CONNECTING A NEW DRIVE.THAT’S WHY, BESIDES THE SAFETY
MEASURES LIKE
• SWITCH OFF POWER SUPPLY
• ESD
PROTECTION
ADDITIONAL ACTIONS MUST BE TAKEN BY THE REPAIR TECHNICIAN.
The following steps have to be done when replacing the defective loader :
1. Dismantling of the loader to access the ESD protection point if necessary.
2. Solder the ESD protection point*.
3.
Disconnect
fl
exfoil cable from the defective loader.
4. Put a paper clip on the
fl
exfoil to short-circuit the contacts (
fi
g.1)
5. Replace the defective loader with a new loader.
6. Remove paperclip from the
fl
exfoil and connect it to the new loader.
7. Remove solder joint on the ESD protection point.
ATTENTION: The laser diode of this loader is protected against ESD by a solder joint which shortcircuits the laserdiode to ground.
For proper functionality of the loader this solder joint must be remove
after
connection loader to the set.
Type 1
Type 2
(ESD protection point is accessible from top of loader)
(ESD protection point is accessible from bottom of the loader)
*Only applicable for defective loader needed to be sent back to supplier for failure analysis and to support backcharging
evidence.
This is also applicable for all partnership workshops.
Measurements Setup, Service Aid & Lead Free Requirements
2.
