I'm trying to repair a FM/AM radio. It is a brilliant machine and I've owned it for some years. It is a Yamaha YST-99CD.
The fault at the moment is memory, switching it off loses every station programmed into it and re-tuning is necessary.I cannot recognise the chip responsible for memory, can anyone give me a clue?
I've always been interested in radio and when young spent a lot of time messing around with circuits. Of course everything has changed now and things are so much more complicated. However, I love messing around and cant afford to send it to a repair shop anyway so perhaps this forum can be of assistance. I could send a pix of the insides if it is really necessary.
The fault at the moment is memory, switching it off loses every station programmed into it and re-tuning is necessary.I cannot recognise the chip responsible for memory, can anyone give me a clue?
I've always been interested in radio and when young spent a lot of time messing around with circuits. Of course everything has changed now and things are so much more complicated. However, I love messing around and cant afford to send it to a repair shop anyway so perhaps this forum can be of assistance. I could send a pix of the insides if it is really necessary.