noun
junk shop; scrap dealer; electronics dealer
Colloquial term for a shop or dealer that buys and sells used, surplus, or discarded items, especially electronics and parts.
秋葉原のジャンク屋で古い基板を買った。
I bought an old circuit board at a junk shop in Akihabara.
ジャンク屋を回って使える部品を探している。
I'm going around junk shops looking for usable parts.