Hey guys, was referred here by a few people regarding an issue I’ve been having with an old stereo cassette deck I occasionally record to. Initially it seems that the left channel of the RCA line-in doesn’t receive signal, although the right works fine. I’ve tested multiple sets of RCA cables and the problem indeed appears to be the deck. Prior to this, it had occasionally cut out during recording but seemed to come back when it received a particularly loud signal (I’m running signal directly from my console’s RCA outputs or 1/4” outputs directly to the tape deck’s RCA inputs; loud kick drums seem to be what would make the signal return). Because of this observation, I tried sending an extremely hot signal into the deck from the mixer (like, channel and master faders on the console maxed out) and this will occasionally bring back the dysfunctional left channel, but it isn’t consistent or reliable and the signal usually ends up dropping a few moments later. I’m wondering if anyone has some insight to issue and could advise some steps for repairing it, if it’s a relatively simple fix. I’ve cleaned the inputs and internal hardware with contact cleaner as instructed via similar trouble shooting tutorials, with no luck. I’m able to solder if necessary, would rather just know what to look for and what I should be soldering before taking that step. Thanks in advance, wasn’t able to find any results via Google searching this awkwardly worded issue, so hope someone here can help because I really like this tape deck and it’s unique idiosyncrasies and would love to be able to use it again. Cheers!