Repairing Cromo15 Amp Module for No Sound problem, very Easy Tips & Tricks to trace fault

[@AJJElectrotech]

Sir can help me what is replacement of this ic abe dp1 209p db technologies opera 151

[@AJJElectrotech]

did you have a service manual db technologies opera 515

[@TKFElectronics]

No

[@AJJElectrotech]

Sir can help me what is replacement of this ic abe dp1 209p db technologies opera 515

[@GiaGio-jn7vl]

Hello, in my speaker, when it warms up, there are squeaking sounds, only in the bass, the driver works fine.. Is it a micro circuit???

[@TKFElectronics]

Might be Amplifier ic TDA8950 or in Pre amp circuit

[@canyouyou]

hello master, my device is working but there is sound, what could be the problem? rcf712a

[@TKFElectronics]

Dear Bro, u have written your device is working & their is sound it means their is no problem at all, you can use it.

[@canyouyou]

but when I don't plug anything in, there is a loud noise, quite a lot, the other is not

[@AJJElectrotech]

Sir can help me what is replacement of this ic abe dp1 209p db technologies 515 opera