Pioneer AVIC-X940BT, Service Manual

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AVIC-X940BT/XNUC
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24. NAVI VOICELINE TEST
Perform the confirmation of audio line for SD/USB Audio.
Sinusoidal wave of 1 KHz, 0 dB, is used for audio data.
Audio is output from front/rear speakers.
* The speaker output is set to large since this test is prepared for production line.
Please be careful when you use it at service.
[Display of Test Screen]
Sinusoidal wave is output from the speakers as far as this screen is displayed.
The message display differs depending on error content.
Please refer to the following table for details;
Content Message Displayed
Failed to initial setting.
Failed to change volume.
Failed to change AV source.
Failed to mute off.
Device Open Error.
IC control on CC unit is unsuccessful.
Possible hardware failure exists.
Hard volume setting on AV unit is unsuccessful.
Possible hardware failure exists.
Switchover to audio at navigation side is unsuccessful.
Possible hardware failure exists.
Mute releasing of AV source is unsuccessful.
Possible hardware failure exists.
Software setting for playing sinusoidal wave is
unsuccessful.
Problem happens in software processing during
audio playing.
Device Error.