Manual for TH-A9

Manual for TH-A9

Brand: JVC

Category: Audio System

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 7:05 p.m.

Warranty Information

No warranty information is available in the provided manual excerpt.

  • Powering On/Off: Use the STANDBY/ON button on the remote or center unit. The powered sub-woofer is linked to the center unit.
  • Volume Adjustment: Use the VOLUME +/- buttons on the remote or the VOLUME knob on the sub-woofer.
  • Source Selection: Use the source selecting buttons (DVD, FM/AM, AUX) on the remote or the SOURCE button on the center unit to choose the input.
  • Disc Playback: Insert a disc and use the DVD control buttons (PLAY, STOP, PAUSE, etc.) on the remote or center unit.
  • Sound Settings: Adjust sub-woofer level, speaker levels using test tones, and DSP effects via the SOUND and EFFECT buttons.
  • Remote Control: Ensure the remote control mode selector is set correctly (e.g., AUDIO/TV/VCR) to operate different devices.

Troubleshooting and error codes

PROBLEM POSSIBLE CAUSE SOLUTION
Power does not come on. The power cord. Insert the plug into the socket.
Power is not supplied to the powered sub-woofer Press the / on the center unit to switch power OFF, and then press it again to switch power ON.
The system cable is not connected. Check the connection.
The remote control does not work. It is too far from the center unit, or is not facing the center unit. Avoid any obstacles within approximately 5 m of the detector on the remote control.
There is something obstructing the remote sensor.
The battery is flat. Replace the battery.
The battery has been inserted the wrong way round (+/-). Insert the battery correctly.
Sunlight is falling directly on the detector. Shade the remote control from direct sunlight.
The entered manufacturer's code number is incorrect. Enter the correct code number.
The remote control does not work as expected. The remote control mode selector position is incorrect. Set it to the correct position. Normally, it should be set to "AUDIO/TV/VCR".
No sound. The system cable is not connected. Check the connection.
The speaker cord is not connected. Check the connection.
There is a short in the speaker cord. Reconnect the speaker cord and press on the center unit to restart the system.
The powered sub-woofer power supply is off. Insert the plug firmly into the socket and press on the center unit to switch power off, and then press it again to switch power on.
Sound is emitted from only one speaker. The audio cord is not connected properly. Connect the cord properly.
An incorrect source has been selected. Select the correct source.
Muting is on. Press MUTING to cancel mute.
The speaker cord is not connected correctly. Connect the cord properly.
Left-right balance is incorrect. Adjust balance.
No video. The video cord is not connected properly. Connect the cord properly.
TV input selection is incorrect. Select the correct input.
Cannot play a disc. A non-NTSC disc has been inserted. Replace the disc.
The unit and disc region numbers (local numbers) are incompatible.
The disc is dirty. Clean the disc.
Video and audio are distorted. A video deck is connected between the center unit and the TV. Connect the center unit and TV directly.
The edge is missing on the video image. Initial setup (monitor type) was incorrect. Run through initial setup again correctly.
The TV has been set up incorrectly. Set up the TV correctly.
Continuous static during FM broadcasts. The received signal is too weak. Connect an external FM antenna, or contact your dealer.
The station is too far away. Select another station.
The antenna is not connected correctly. Check the connection.
Unit does not work correctly. Lightning or electronic noise interferes with operation of the microcomputer. Switch power off, and remove and re-insert the power plug in the socket.
Immediately after beginning to heat the room, the unit was moved to a cold location causing condensation to form inside. Switch power off and leave the unit a few hours before switching power on again.
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