• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1968 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 312814

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 6

• Semiconductors
• 2SC73 2SC76 2SC76 2SD64 2SB382 2SB382 1T23

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / D: 4 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: All Transistor TR-628 [With tone control] - Sony Corporation; Tokyo

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• Note: Schematic does not show tone control but is believed to be otherwise the same as the model TR-628 without tone control.

• Author
• Model page created by Aldo Andreani. See "Data change" for further contributors.

• Other Models

• Here you find 3995 models, 3856 with images and 959 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo