• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 2000 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 305354

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• PLL, Phase-locked loop

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 50Hz, 220-230 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.6 cm = 2.6 inch

• Power out
• 0.2 W (max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Dream Machine FM/MW/LW 3 Band Clock Radio ICF-C253L - Sony Corporation; Tokyo

• Shape
• Tablemodel with Clock ((Alarm-) Clock Radio).

• Dimensions (WHD)
• 180.5 x 55 x 140 mm / 7.1 x 2.2 x 5.5 inch

• Notes

• Dual alarm FM/MW/LW PLL synthesized clock radio ("Dream Machine").

  Radio coverage:
  VHF 87.5 - 108 MHz (50 kHz steps)
  MW 531 - 1602 kHz (9 kHz steps)
  LW 153 - 279 kHz (9 kHz steps)
  Total of 5 station presets.
  A 51 cm trailing wire antenna is permanently attached to the rear of the set.
  Power output of 200 mW is at 10% harmonic distortion.

  Backlit LCD display with two selectable brightness levels.
  The display normally indicates the time (24h clock) and the day of the week. On pressing the date bar repeatedly it changes to month/date, then year.
  DST button to select daylight saving time.

  Alarm A switches on radio with preset station 1.
  Alarm B enables the buzzer, which increases in speed progressively in five steps.
  If both alarms are set to the same time, alarm A takes priority.
  Initial snooze time is 8 minutes, extendable to a maximum of 60 minutes.
  Sleep timer is initially 90 minutes, selectable down to 15 minutes.

  Power supply 220 - 230v 50 Hz, 5 W.
  There is no battery backup, but the clock will not lose time during a power interruption of up to 1 minute.

• Net weight (2.2 lb = 1 kg)
• 0.660 kg / 1 lb 7.3 oz (1.454 lb)

• Author
• Model page created by Bruce Taylor. See "Data change" for further contributors.

• Other Models

• Here you find 3952 models, 3812 with images and 954 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo