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Service Bulletin

November 24, 2014
SB-001A 
 
Subject:
Potential failure of 1526 and 1527 A-V Customer Stations
 
Summary:
Power failure possible in A-V Customer Stations due to a faulty diode on the thermostat circuit board.
 
Models Affected:
1526V, 1527V, 1526AV, 1527AV, 1526VB, 1527VB, 1526AVB, 1527AVB
 
Description:
With the onset of winter weather, we’ve had reports of a few failures of 1526 & 1527 units installed in colder regions when the thermostat circuit turns on the heater for the video display.  The symptom is easy to identify since power to the unit is lost due to a diode failure on the thermostat control circuit board.
 
Instructions:
If you have experienced this problem, it can be easily corrected with a circuit board exchange in the field (PN 821-5710 Thermostat Control Board). Detailed instructions are included with the replacement part.
 
How to Obtain Parts:
Please call Audio Authority Technical Support at 800-322-8346 to troubleshoot any problems you may be experiencing with A-V Customer Stations, and to order parts. You can also email us at support@audioauthority.com.
 
Warranty Information:
This part is covered under warranty, at no charge, for all units that might fail. Shipping is prepaid by Audio Authority, but labor is at the expense of the installer. 

Thank you for your continued support of our products and services and for your valuable business!
 
Audio Authority Technical Support
support@audioauthority.com
Copyright © 2014 Audio Authority Corporation, All rights reserved.


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