Read JBL SB 400 (serv.man8) Technical Bulletin online
Service Bulletin
Service bulletin # JBL2014-001
Nov. 2014
400 AT LANT IC STREET STAMFORD, CT 06901 USA
• Lift the grill away from the cabinet with care, as shown by the arrows in the pictures below.
• Remove the 18 screws shown below, and lift off the front panel.
• Remove 6 screws on the main board as shown below.
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