Service ManualReleased by Global Quality harman/kardon, Inc. Ver. 1.5 Dec./2019JBL BAR 5.15.1-CHANNEL 4K ULTRA HD SOUNDBAR WITH TRUE WIRELESS SURROUND SPEAKERSSafety Instruction ...................................................................................... 2Technical Specifications ............................................................................ 5Software upgrade Instruction & Reset Procedure .................................... 6Troubleshooting Charts ............................................................................ 7Disassembly Instruction ............................................................................ 8Block Diagram.......................................................................................... 11Wiring Diagram ........................................................................................ 12Circuit Diagarms & PCBA Layout ............................................................ 13Mechanical Exploded View .................................................................... 36Revision List............................................................................................ 6SDUH3DUWV/ist...................................................................................... 40