Symptom: DIGIPAGE or DIGIPAGE JR mic audio "warbles" when used.

It appears that occasionally a Digipage Mic station will behave erratically and produce "warbling" audio when used. This affects only a very small proportion of units and we have also found that the effect only happens with certain master control units.

However, we have found a couple of easy fixes for this and it can also be done quickly on site. You can use method 1 or method 2 (you won't need to do both).

Method 1)

Add an additional capacitor.  This is the easiest way to effect a fix. It simply involves adding an additional 100uF 35V capacitor to the circuit board on the rear. Just take the bottom plate off the unit and add a capacitor as noted in the picture below.

Method 2)

This is a little more tricky.  Remove the bottom plate, then remove the top circuit board (the switch board can stay in place) and change resistor R33 from 47 ohms to 22 ohms.

These changes have now been implemented in production now at Australian Monitor so hopefully new units will not exhibit this problem.

Any questions, please call the Fuzion Technical Department.

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