Hello! I'm currently working on a project that required me to utilize something called the Non-inverting Input of my integrated circuit. I'm pretty sure that it's power amplifier chip, despite it not having a heat sink, since it never seems to have overheating problems. Unfortunately, the particular piece of electronics that I'm working on is so old that there are no data sheets online available for me to use! I can't go connecting pins to things at random to try to figure it out, and I'm so new to this DIY thing that I have yet to figure out how to troubleshoot with a ground wire. I'm hoping that maybe someone more experienced might be able to help. I might have the wrong IC altogether, but the only other one is connected to the cassette deck portion of the system, as far as I can tell. This chip is connected to the speaker leads, so I'm pretty sure this is the chip I need
If you need more specific photos, just let me know! Thanks a lot!
If you need more specific photos, just let me know! Thanks a lot!