[reartech]

Thank you very much for your speedy response
a) for test purpose I connected blue tooth receiver to Platte Phono and In Radio (diode) where the audio output is good with full sound and when I switch to normal play back mode audio become 99 percent low.

b) then a find out when realy is on the audio become low I started tracing the wiring finally I removed w1 wire audio become loudly but distortion
c) finally I connect bluetooth to head input where i found low when w1 wire connected and removed high but audio distortion now I am unable to proceed further without proper guide please guide me sir