• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1977 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 225018

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

• Number of Transistors
• 12

• Semiconductors
• 2SC930 2SC710 HA1367 2SC1474

• Main principle
• Superheterodyne (common); none

• Wave bands
• Broadcast, 2 Short Wave plus FM or UHF.

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Line / Batteries (any type) / 110-220/ ? Volt

• Loudspeaker
• 2 Loudspeakers

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: FM/MW/SW1/SW2 Cassette-Corder CFM-31S - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 10.2 x 13.7 x 4.3 inch / 259 x 348 x 109 mm

• Notes

• Sony FM/MW/SW1/SW2 Cassette-Corder Model CFM-31S.
  2 Way Speaker System, One Button Recording, built in condenser Mic.
  3 Digit analog Counter. Carrying handle.

• Source of data
• -- Schematic

• Author
• Model page created by Daniel Rosha. See "Data change" for further contributors.

• Other Models

• Here you find 3913 models, 3773 with images and 947 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo