![]() Since we don't want to actually play any tapes anymore, and I don't want any signals from the tape heads to interfere with the audio signal, I disconnected both tape head wires from the board. Thus, our aux cable is connected to the circuit between the pre-amp and amplifier for speaker output. These are the pre-amp output pins for each channel, as I found on the data sheet. ![]() ![]() Then, we will solder the inner (signal) wire from our aux cable to pins 5 & 20. We will solder the outer wire from each channel of our aux cable to a ground pin on the chip. I found the datasheet for the chip online by googling TA8189N. On our board, the pre-amp is a little black chip labeled Toshiba TA8189N. Otari 5050 tape deck speed variations solved Otari 5050 tech tips Various Transport Problems Pioneer reel to reel tape deck Summary Revox Tape Deck Summary. Pretty much every stereo available has RCA inputs as the standard inputs on the back. Fostex Reel to reel tape deck Summary Otari MX5050 Series Summary. The two RCA connectors plug into the back of your stereo and the 3.5mm plugs into the headphone jack of your iPhone. The easiest way to do this is to solder the aux cable to the pre-amp output. To connect your iPhone, iPad or iPod to your home stereo you just need a 3.5mm to RCA cable like this cable above. We want to connect our aux cable to the circuit between the pre-amp and the amplifier. The signal from the tape player is fed through a pre-amp to strengthen the signal before it goes into the regular amplifier. We're planning on replacing the tape function of the stereo with our aux cable. The tricky part here is figuring out where to connect the cable to the circuit board. 2.The 10uF capacitors worked like a charm. That 3-pin tape input jack should work just fine. 1.Use RCA leads to connect to the tape deck board(looks much more neater). I cut the cable to about 2 ft and stripped the ends of the wire. Doug VanCleave wrote: Yes, it is absolutely possible but there are complications. I used a 3.5mm stereo to RCA cable from Monoprice, but anything with a 3.5mm audio jack on the end will work.
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