Introduction | Service Manual M680 |
03/93 | Doc code 656 948 |
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locating faults with the test set (Test box)
Control unit MEL64165 Description of function
To the contents of service manual
This book may only be given to, and used by, certain persons. These are detailed in Section 1.
Place Service News on top of the M695 in Section 2.
CONGRATULATIONS - You are one of those methodical people who also read the important Section 3 of this manual.
If a fault develops, we will guide you to it with the assistance of Section 4 and the test box.
The test set helps you to assign the fault to the:
•Footswitch
•Control unit
•Swingarm
•Microscope
The search is then continued at board level with the assistance of block diagrams and the wiring diagram.
The function description in Section 5, in conjunction with the wiring diagram, will lead you to the defective board or cable connection. The swingarm is the interface.