CONTENTS
Service Manual
Released by Global Quality
harman/kardon, Inc.
Ver. 1.5 Dec./2019
SKU: JBLBAR51BLKAM, JBLBAR51BLKEP, JBLBAR51BLKUK, JBLBAR51BLKAS, JBLBAR51BLKCN,
          JBLBAR51BLKBR
JBL BAR 5.1
         J
L
A
51
LK
5.1-CHANNEL 4K ULTRA HD SOUNDBAR WITH TRUE WIRELESS SURROUND SPEAKERS
Safety Instruction ...................................................................................... 2
Technical Specifications ............................................................................ 5 
Software upgrade Instruction & Reset Procedure .................................... 6 
Troubleshooting Charts ............................................................................ 7
Disassembly Instruction ............................................................................ 8 
Block Diagram.......................................................................................... 11 
Wiring Diagram ........................................................................................ 12 
Circuit Diagarms & PCBA Layout ............................................................ 13
Mechanical Exploded View  .................................................................... 36 
Revision List............................................................................................
6SDUH3DUWV/ist...................................................................................... 40