• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1975

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 216872

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

• Number of Tubes
• 1

• Valves / Tubes
• CT-537B

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• Power type and voltage
• Line / Batteries (any type) / 120 / 12 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistor TV Receiver TV-770 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 11 x 8.25 x 11.5 inch / 279 x 210 x 292 mm

• Notes

• Sony portable 7" b&w television model 770

  • US FCC standard VHF turret & UHF dial tuner
  • Power consumption 18/7 watts
  • Built-in charger
  • Made in Japan
  • Manufacturing date October 1975 proven.

• Net weight (2.2 lb = 1 kg)
• 12 lb 5 oz (12.313 lb) / 5.590 kg

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 4017 models, 3873 with images and 965 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo