Integra DTA-9.4 instruction manual Troubleshooting guide, No power, Power turns on but no sound

Troubleshooting guide

If the DTA-9.4 fails to function normally, first check the following points before contacting your Integra/Onkyo dealer. If the problem is not solved after going through the following list, unplug the power cord and contact your Integra/Onkyo authorized service center.

No power.

•Power cord is not correctly plugged into AC outlet/Inlet.

➞Plug the power cord into the AC outlet/Inlet properly.

•Power switch is not set to ON position.

➞Set the power switch to ON.

Power turns on but no sound.

•Incomplete connections.

➞Check speaker cable connections.

➞Insert all plugs firmly into jacks.

•No input signal from control amplifier.

➞Check for input signal from control amplifier.

•Incorrect INPUT SELECT switch setting.

➞Set INPUT SELECT switch to correct setting.

The On indicator lights blue and the Standby indicator flashes red simultaneously.

•Protective circuitry activated.

➞ A problem such as a speaker cable shorting or the temperature of the DTA-9.4 rising excessively may have occurred. Turn power off immediately, locate problem, and correct it.

The Standby indicator lights red and the On indicator turns off.

•The DTA-9.4 waits for the 12V trigger signal.

➞Turn on the control amplifier.

•Connection between the 12V trigger terminals is incomplete.

➞Connect the cables to the terminals firmly.

Humming or other noise is heard.

•Input cable connection is incomplete.

➞Insert the input cable to pin jack or connector completely.

•Noise from power cord or power transformer affects the input cable.

➞Keep power cord or power transformer away from the input cable.

•Power cord or speaker cables are bundled together with pin cords.

➞This may cause humming or noise. Do not bundle power cord or speaker cables with pin cables together.

•Connection to the input terminals is not complete or not appropriate.

➞For each channel’s input terminals, connect cables or cords

to either balanced input terminal or audio input terminal only and switch the INPUT SELECT / switch accordingly. Avoid connecting the cables or cords to the input terminals that will not be used.

The dimmer function of the DTA-9.4 does not react to the dimmer function of the DTC-9.4. (The brightness of the On/Standby indicator cannot be changed.)

•The cable for the CONTROL LINK connection is connected to the 12V TRIGGER OUT A terminal on the DTC-9.4.

➞When the cable is connected to the 12V TRIGGER OUT A terminal, the function link between the DTC-9.4 and DTA-9.4 does not work. Use the 12V TRIGGER OUT B (CONTROL LINK OUT) terminal for the CONTROL LINK connection.

•The stereo mini-plug cable other than the supplied one is used for the connection between the DTC-9.4 and DTA-9.4.

➞Use the supplied stereo mini-plug cable. Any other cables does not allow the function link between the DTC-9.4 and DTA- 9.4 to work.

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