Harman JBL SW10 - Laser Product Safety Warning; Caution: Laser Beam Exposure

SUB cannot work
SUBcannotwork
Go
ReplacetheTXmodule.
Check the TX is Normal (in the bar)? Yes or
not?
ChecktheWhitepairLED isNormal (inthe
SUB)?Yesornot?
Replace the RXmodule and 8pin
line.
Yes
Yes
No
NO
CheckfromAMboardtheU3isnormal?
（STB_3.3V）
ReplacetheU3.
YES
ReplacePCBAforAMboard.
NO