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NuTone Intercom Photo Gallery > NuTone Model IM4006 AM FM Cassette Intercom Master Station > NuTone IM4006 Master Control Circuit Board

NuTone IM4006 Master Control Circuit Board

The Master Control circuit board has its own regulated power supply.  Erratic operations with a IM4006 can be caused by components within this power supply failing.  A complete rebuild of this board must be approached with caution, it the board is damaged during the repair attempt it may not be possible to reverse the damage.