Buy a cheap (e.g., JP1 programmable or a used RCA RCRP05B). These have an IR receiver on top. Point your original (or borrowed) AVR 142 remote at it, press a button, and it “learns” the signal.
Check eBay for a “for parts” AVR 142 that includes the remote, then keep the remote and resell the receiver. Failing that, buy a used Logitech Harmony 650 — it’s actually better than the original. harman kardon avr 142 remote control
If you’re reading this, you probably own (or just picked up) the classic Harman Kardon AVR 142 receiver. It’s a solid 5.1-channel unit from the mid-2000s known for its high current capability and warm, detailed sound. But there’s one problem: the remote is missing. Buy a cheap (e