• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 2005 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 369456

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

• Main principle
• PLL, Phase-locked loop

• Wave bands
• Broadcast (BC) and FM or UHF.

• Details
• CD-Player, -Writer, MD, MOD (audio)

• Power type and voltage
• Batteries / addl. power jack / AA: 1 x 1.5 / DC: 3 Volt

• Loudspeaker
• - only for Earphone!

• Power out
• 0.015 W (undistorted)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: CD Walkman D-NF431 - Sony Corporation; Tokyo

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 138 x 31 x 138 mm / 5.4 x 1.2 x 5.4 inch

• Notes

• Sony D-NF431 CD Walkman

  Specifications

  • Radio: FM 87.5-108 MHz, MW 9 kHz step 531-1602 kHz; 10 kHz step 530-1710 kHz
  • Antenna: FM earphones cord antenna; AM built-in ferrite bar antenna
  • Digital converter: 1-bit
  • CD Mechanism: CDM-3325ERV2, Optical pickup DAX-25EV
  • Frequency response: 20Hz to 20kHz
  • Output: 15mW
  • Accessories: earphones
  • Remote: wired
  • Battery: 1 x AA
  • Power Supply: 3V DC with supplied AC adaptor
  • Dimensions: 137.8 x 31.1 x 137.8mm
  • Weight: 205g
  • Year: 2005

  Made in Malaysia

  See also US Model D-NF430 and UK Model D-NF430.

• Net weight (2.2 lb = 1 kg)
• 0.205 kg / 0 lb 7.2 oz (0.452 lb)

• Mentioned in
• - - Manufacturers Literature (Service Manual Ver 1.0 2005.12)

• Author
• Model page created by Nikolai Galak. See "Data change" for further contributors.

• Other Models

• Here you find 4181 models, 4038 with images and 1042 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo