Description
This item is the Front Panel Display and Control Board (PCB) from a vintage Sony Audio/Video Receiver.
It serves as the "face" of the device, containing the screen you look at and the buttons you press to change settings. Based on the markings in your photos, here is a detailed description of its components:
1. The Main Display (Vacuum Fluorescent Display)
The long black glass component is a Vacuum Fluorescent Display (VFD), specifically model Futaba 8-BT-189GK.
Aesthetic: These displays are famous for their bright, teal-blue or green glow.
Information: It shows the "Sound Field" settings, volume levels (in dB), and speaker configurations (Center, Rear, Woofer).