• Country
• Australia

• Manufacturer / Brand
• National (Panasonic), Matsushita Electric Co. (Australia) Pty. Ltd (Melcoa); Sydney

• Year
• 1974/1975

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 139121

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

• Number of Tubes
• 1

• Valves / Tubes
• 140AKB4

• Number of Transistors
• 25

• Semiconductors
• 2SA564 2SA719 2SC562 2SC563 2SC828 2SC829 2SC1012 2SC1025 2SC1317 2SD389 AN240 MA26 OA90 OA91

• Main principle
• Superheterodyne (common)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Line / Batteries (any type) / 240 / 12 / 8 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Power out
• 0.35 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Ranger 505 TR-505DU - National Panasonic, Matsushita

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

• Dimensions (WHD)
• 6.5 x 12 x 11 inch / 165 x 305 x 279 mm

• Notes

• National Ranger 505, (unproven type TR-505DU)

  • All Transistor AC/DC/Battery
  • Portable ~5" b/w TV
  • military-ranger design
  • CCIR B standard
  • VHF turret tuner
    • (with channels 0ch - 11ch)
    • for Australian market (without UHF!)
  • 12V with external car battery
  • earphone jack
  • Vision IF 36.875MHz
  • Sound IF 31.375MHz
  • 18 diodes plus rectifier
  • Keyed AGC
  • Saw Tooth AFC

  Each solid state device listed once only.

• Net weight (2.2 lb = 1 kg)
• 8 lb 0 oz (8 lb) / 3.632 kg

• Price in first year of sale
• 209.00 AUS $

• Literature/Schematics (1)
• - - Manufacturers Literature (National Service Manual.)

• Literature/Schematics (2)
• J.R. Publications Television Service Handbook (Group 18, December 1975, Page N33.)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 45 models, 45 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from National (Panasonic), Matsushita Electric Co. (Australia) Pty. Ltd (Melcoa); Sydney