Hello, I disassembled HCD-RG295, its an audio system with CD, Decks, radio, and amplifier, and I want to take amplifier from it and make it work with aux, but I am not very much knowledgeable of what to do to make it work.

I would be happy if it had like aux, volume control, and that's all.

I have attached the schematics of the boards that there are. There are Transformer board, Amplifier board, Aux board, and available schematics for those. if you need more pics, let me know.

So if anyone is willing and have free time to help me make this thing work somehow.

Thank you all!

 

OK, we have a start to the project, BUT I only see two circuit schematics.
To provide useful suggestions for what connections need to be made, we need the circuits of the other parts of the system. Those nice pictures do not help much, at least not at this stage.
I hope that you still have the other pieces.

 

MisterBill2 Here is the service manual with all the schematics and stuff that might help. I do have all pieces.
I took the photos of all boards that are there. only one missing is for CD and deck boards.

 

OK, the big challenge will be to know which wires from that thirteen position connect to which connections on the transformer board, and what else might be required in between. Consider that there are no controls on either of those circuit boards.

 

OK, the big challenge will be to know which wires from that thirteen position connect to which connections on the transformer board, and what else might be required in between. Consider that there are no controls on either of those circuit boards.

Yeah, that's why I am here

 

I went thru the circuits in the manual and what is obvious is that is a complex sound system. And just as obvious, the various audio controls are implemented digitally, with a lot of software involved. So to have anything like a volume control and an external input will require the creation of an additional controls circuit.
Was this system working correctly before you dis-assembled it??

 

I went thru the circuits in the manual and what is obvious is that is a complex sound system. And just as obvious, the various audio controls are implemented digitally, with a lot of software involved. So to have anything like a volume control and an external input will require the creation of an additional controls circuit.
Was this system working correctly before you dis-assembled it??

It worked. The issue with it was that flat cable fell apart, like flat cables ends deglued and pins on flat cable broke... I tried soldering wires directly, but that didn't work, I guess all components like CD and tape should be connected to the main board too!

 

What you need to do with it depends on what the ultimate intended use would be. As a complete entertainment system it would require the connections to all be correct. THAT depends a great deal on your soldering skills.

 

What you need to do with it depends on what the ultimate intended use would be. As a complete entertainment system it would require the connections to all be correct. THAT depends a great deal on your soldering skills.

I just need for it to work as amplifier, other things doesn't matter... I can solder but I am not familiar on what to do