• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1988–1990

• Category
• Television- and Radio Receiver, perh. also + Rec. etc. (TV Radio)

• Radiomuseum.org ID
• 131636

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

• Number of Tubes
• 1

• Valves / Tubes

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Line plus power jack, mostly with battery or storage battery / AC 120 / DC 12 / D: 8 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Mega Watchman FD-500 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 157 x 241 x 159 mm / 6.2 x 9.5 x 6.3 inch

• Notes

• Sony FD-500 Mega Watchman, US Model

  • 4.5" black and white 90° deflection picture tube
  • North American Standard (NTSC), VHF channels 2 thru 13, UHF channels 14 thru 69
  • FM tuner 87.6 - 108 MHz
  • AM tuner 530 - 1605 kHz
  • telescopic antenna for VHF/UHF/FM, ferrite bar antenna for AM
  • external antenna mini-jack, 75 ohms
  • earphone mini-jack, impedance 8 - 300 ohms

  Dimensions given including projecting parts and controls.

  Made in Taiwan.

• Net weight (2.2 lb = 1 kg)
• 2.250 kg / 4 lb 15.3 oz (4.956 lb)

• Mentioned in
• -- Original-techn. papers.

• Author
• Model page created by a member from A. 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