FM Stereo / FM-AM Tuner ST-JX4040

Sony Corporation; Tokyo

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  • Year
  • 1985 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 216157

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop; ZF/IF 450/10700 kHz
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: FM Stereo / FM-AM Tuner ST-JX4040 - Sony Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 430 x 55 x 255 mm / 16.9 x 2.2 x 10 inch
  • Notes

  • A hi-fi AM/FM stereo Quartz-locked Digital Synthesizer tuner with a LCD digital band/frequency display housed in a metal case. With rotary Band switch (FM, MW, LW), 5 keys for preset radio stations, push button switches for Tuning Down and Tuning Up and Memory, Stereo and Tuned indicators. On the back, terminals for AM and FM antennae and RCA phono line output sockets. Supplied with a layout-free AM antenna.

    Specification  
    System FM Stereo, FM/AM Superheterodyne Tuner,
    Quartz-locked Digital Synthesizer System
    FM tuner section (at 40kHz deviation)
    Tuning range 87.5-108MHz
    Antenna terminals 75Ω unbalanced
    Sensitivity at 46dB quieting 17.3dBf, 4µV (mono), 38.3dBf, 45µV (stereo)
    Usable sensitivity 10.3dBf, 0.9mV (IHF), 0.9mV (S/N = 26dB)
    Signal/Noise ratio 74dB (mono), 69dB (stereo)
    Harmonic distortion at 1kHz 0.3% (mono), 0.5% (stereo)
    Separation at 1kHz 45dB
    Frequency response 40Hz - 12.5kHz ±0.5dB
    30Hz - 15kHz +0.5dB,-2.0dB
    Selectivity 65dB at 400kHz
    Image response ratio 80dB
    IF rejection ratio 93dB
    Capture ratio 1.0dB
    AM suppression ratio 60dB
    Spurious response ratio 100dB
    Output level/impedance 750mV, 3.3kΩ at 75kHz deviation
    AM (MW/LW) tuner section  
    Tuning range MW 531 - 1,602kHz (9kHz step)
    LW: 153 - 344kHz
    Antenna Layout-free AM antenna
    External antenna terminal
    Usable sensitivity  
      Layout-free AM antenna MW: 300µV/m (999kHz)
    LW: 700µV/m (230kHz)
    External antenna MW: 30µV (999kHz)
    LW: 200µV (230kHz)
    Signal/Noise ratio (50mV/m) 54dB
    Harmonic distortion (50mV/m, 400Hz) 0.3%
    Selectivity 35dB (9kHz)

    Versions/Power Requirements
    AEP model  / 220V AC 50/60Hz

    Power Consumption: 8 W

  • Net weight (2.2 lb = 1 kg)
  • 4.2 kg / 9 lb 4 oz (9.251 lb)
  • Mentioned in
  • Original Sony Service Unterlagen
  • Author
  • Model page created by Josef Pilz. See "Data change" for further contributors.

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