Chapter 6 – Maintenance
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repairs that require sophisticated technical assistance, the user
must return the unit to the factory (see Section 1.2 “Product
Support”).
CAUTION: When returning the Vibrex unit, make sure to
pack and store it carefully for safe shipping.
The general topics in the list above constitute the main subject
matter of this chapter. Of special help is the Troubleshooting
Guide, containing a table that lists the most likely problems the
user may encounter, along with their probable causes and some
suggested corrective actions.
For more assistance, see any maintenance manual for the subject
aircraft and/or The Smooth Propeller manual.
6.2 Theory of Operation
The Vibrex 2000 and Vibrex 2000 Plus acquire, display, process,
and analyze vibration data for fault analysis and balance
correction. The following basic subsystems make up the Vibrex
unit, as explained in this section:
Digital
Display
Analog
Power
6.2.1 Digital Subsystem
The digital subsystem resides on the main printed circuit board
(PCB). This subsystem contains the following elements: [for the
13590-3 amd the Plus, 14490]:
Microprocessor, Motorola 68332, running at 16.78 MHz [25
MHz]
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