Mere pass Yamaha Rx v440 hai isme problem ye hai ki amp chaalu karte hai display aata hai fir amp band ho jata hai Jitni bar bhi chaalu karo aisa hi hota hai
Sir mhuje aapka no Chahiye mere pass same Sony Ka amplifier he use repair Karna he so please Mera Fev amplifier he wo kya aap use repair Kar sakte ho to Aapka mobile no de do