Repairing red JVC PC w47 cassette for Mr. Tho Bac Giang

Category of finding and fixing problems on cassette radios. This time, it's about the equalizer ic dying (1 side) and the problem of lowering the volume to the lowest level but it's buzzing... and some other problems on the JVC PC w47 radio of Mr. Tho in Bac Giang.