Troubleshooting; Lost Of Modulation; Buzz; Whistle - Warsanis 1401FM Quick Installation And Setup Manual

WARSANIS 1401FM USER MANUAL

TROUBLESHOOTING

Determine if the problem is caused by the Warsanis 1401FM and not by other
equipment.

LOST OF MODULATION

* Check the connection to and from the Warsanis 1401FM.
* If this is not the problem disconnect the unit from your audio chain. Test the unit
again.
C Check the connections between the XLR connectors and output/input PCB.
* If you cannot locate the problem contact your official Warsanis dealer.

BUZZ

* Check the grounding of the Warsanis 1401FM.
* Check the cables feeding the audio to the Warsanis 1401FM.
* Check the power supply (see test and alignment procedures).

WHISTLE

* Check the power supply (see test and alignment procedures).
* If the whistle sounds more like stisteling it is likely to be an oscillating IC. In this
case you should locate the IC and replace it by a new one of the same value and
type.

GROSS DISTORTION OR LOST OF MODULATION

* Check the clipper diodes of the multiband and loudness clippers (see test and
alignment procedures).
* Check the multiband processors.

IF ON-AIR BALANCE SEEMS INCORRECT

* Check the crossover filters.
* Check the de-emphasis (J9 and J10).
* Check the multiband processors and clippers.

CHECK THE FOUR BAND PROCESSORS:

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