• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1963 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 91782

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

• Number of Transistors
• 7

• Semiconductors
• 2SA70 2T769 2T768 2T651 2T650 2T513 2T513 1T26 1T23 1T23

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / 6 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TR-727 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 300 x 170 x 100 mm / 11.8 x 6.7 x 3.9 inch

• Notes

• The schematic is erroneous for the transistor listing! The correct designations are 2T769, 2T768, 2T651, 2T650 and 2T513 instead of stated types 2SC769, 2SC768, 2SD651, 2SD650 and 2SB513.

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 24, 1964

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 3994 models, 3855 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