Manual for MDR-IF230

Manual for MDR-IF230

Brand: SONY

Category: Audio

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 8:43 p.m.

Manual Publish Date: 1998-01-01

Warranty Information

No warranty information is provided in this document.

  1. Turn on the audio/video equipment connected to the transmitter.
  2. Turn on the transmitter. The infrared emitters light up.
  3. Put on the headphones and the power turns on automatically. The power indicator glows red when the power turns on.
  4. Adjust the volume.

Auto power on/off function: When you remove the headphones, the power turns off automatically. Avoid pulling up on the self adjusting band when the headphones are not in use. This might switch the headphones on.

Mute function: If a hissing noise is heard when the infrared rays are obstructed, or the headphones are used outside of the effective range the mute function will be activated and sound will not be heard from the headphones. To restore the sound, move nearer to the transmitter or remove the obstruction.

After listening to a program: Take the headphones off before turning off the transmitter. Otherwise you may hear some noise when the infrared rays are suddenly cut off.

Troubleshooting and error codes

Problem Solution
No sound/Muffled sound
  • Turn on the transmitter first, then put on the headphones.
  • Check the connection of the audio/video equipment or the AC power adaptor.
  • Check that the audio/video equipment is turned on.
  • Turn up the volume on the connected audio/video equipment, if the transmitter is connected to the headphones jack. (Around level 5 or 6 on the volume control should be appropriate.)
  • The mute function has activated.
    • Check if there is any object between the transmitter and the headphones.
    • Use the headphones near the transmitter.
    • Change the position and angle of the transmitter.
  • The headphones' power indicator light is weak or turned off.
    • Replace the headphone battery.
Distortion
  • If the transmitter is connected to the headphones jack, turn down the volume of the connected audio/video equipment. (Around level 5 or 6 on the volume control should be appropriate.)
  • The headphones' power indicator light is weak or turned off.
    • Replace the headphone battery.
Loud background noise
  • Move closer to the transmitter. As you move away from the transmitter, more noise is likely to be heard. This is inherent to infrared ray communication and does not mean that there is a problem with the unit itself.
  • Check that there is no object between the transmitter and the headphones.
  • Check that the infrared sensors are not covered with your hands or hair.
  • Change the position or angle of the transmitter.
  • The headphones are used by a window where the sunlight is too strong.
    • Draw the curtains/blinds to shut out the direct sunlight, or use the headphones away form sunlight.
  • If the transmitter is connected to the headphones jack, turn up the volume of the connected audio/video equipment. (Around level 5 or 6 on the volume control should be appropriate.)
  • The headphones' power indicator light is weak or turned off.
    • Replace the headphone battery.
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