Dvd back side 3 RC pin... Having bro... L and R this pin only audio input & output pin. (Step.:) * Go to remove dVD panel side screws. * Than go to see dVD back side RC pin where soldering L & R pin this Pin only ( Input and Output pin) * Taking three small wire for soldering. * This three wire go to soldere L & R + pin and - wire go to soldere the DvD any body place bro. * Next go to soldering this three wire Bluetooth model board L & R output pin bro *And 5v power supply where coming means DvD USB pin take bro. ___________________________ 5v how to check.take the multimeter keep the ( DC 20V ) than check bro. ______________________________ This all bro. Thank you bro asking for commands ______________________________ Any doubt aske me bro. How to Sony Dvd 5.1 home theatre fixing the Bluetooth model New video upload bro.