Sony TA-ZH1ES Manuel D'instructions page 31

[OVER CURRENT] appears in the display window.
[OVER CURRENT] appears if an abnormal current is carried on the USB cable of the WALKMAN port
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(for WALKMAN®/Xperia connection). In this case, remove the USB cable from the amplifier, then
press  (power).
No item appears in the display window.
Check if the menu setting item [DIMMER] is set to [DISPLAY OFF] (page 28).
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Adjust the brightness of the display window by pressing DIMMER on the remote control.
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Sound
No sound is output from the amplifier.
Check the following descriptions for causes on the amplifier.
Check the volume level, or cancel muting (page 8).
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Check that the indicator on the headphone jack lights up. If it turns off, press OUTPUT repeatedly
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to select the headphone jack (pages 4, 19, 24).
Check that the headphone plug is inserted into the headphone jack firmly.
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Check that the proper input jack is selected.
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Check that the amplifier and connected equipment are turned on.
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Check if the input audio format is compatible with the amplifier.
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format, see "Specifications" of "Precautions/Specifications" (separate manual).
Check the following descriptions for causes on your computer.
When connecting the computer (Windows) to the USB-B port of the amplifier, check that the
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dedicated driver is installed on the computer (page 21).
Check that the volume level of the OS or playback software is set properly, or it is set to the muting
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status.
If multiple playback software are started, the sound may not be output. In this case, start only the
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playback software that you want to play.
Check that the playback device on your computer is set to "Sony Headphone Amplifier Driver." If it
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is not, change the OS setting of the computer.
Multi channel source cannot be played.
The amplifier supports only the 2 channel music source.
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For details about the supported
GB
31
GB