Yamaha PSR-SX700 PSR-SX900/PSR-SX700 Owners Manual - Page 115
Troubleshooting
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Troubleshooting Overall A click or pop is heard when the power is turned on or off. The power is automatically turned off. Noise is heard from the instrument. Noise is heard from the instrument's speakers or headphones when using the instrument with an iPhone/iPad app. In the LCD, there are some specific points that are always lit or unlit. There is a slight difference in sound quality among different notes played on the keyboard. Some Voices have a looping sound. Some noise or vibrato is noticeable at higher pitches, depending upon the Voice. The overall volume is too low, or, no sound is heard. The sound is distorted or noisy. Sound from the speaker is occasionally interrupted. Not all simultaneously played notes sound. The keyboard volume is lower than the Style/ Song playback volume. The Main display does not appear even when turning the power on. Some characters of the file/folder name are garbled. An existing file is not shown. This is normal. Electrical current is being applied to the instrument. This is normal and due to the Auto Power Off function. If necessary, set the parameter of the Auto Power Off function (page 21). Noise may be heard if a mobile phone is used near the instrument or if the phone is ringing. Turn off the mobile phone, or use it further away from the instrument. When you use the instrument along with an iPhone/iPad app, we recommend that you set "Airplane Mode" to "ON" on your iPhone/iPad in order to avoid noise caused by communication. These are the result of defective pixels and occasionally occur in TFT-LCDs; they do not indicate a problem in operation. This is normal and is a result of the instrument's sampling system. The master volume may be set too low. Set it to an appropriate level with the [MASTER VOLUME] dial. All keyboard parts are set to off. Use the PART ON/OFF [RIGHT 1]/[RIGHT 2]/[RIGHT 3]/ [LEFT] button to turn it on (page 44). The volume of individual parts may be set too low. Raise the volume in the Mixer display (page 80). Make sure the desired channel is set to on in the Mixer display (page 82). Headphones are connected, disabling the speaker output. Unplug the headphones. Connect the footswitch to the appropriate jack. Make sure that the Speaker setting is set to "On" or "Headphone switch": [MENU] [Utility] The volume may be turned up too high. Make sure all relevant volume settings are appropriate. This may be caused by certain effects or filter resonance settings. Check the effect or filter settings and change them accordingly in the Mixer display, referring to the Reference Manual on the website. The sound level is too high, so the speaker protection function is activated and the sound stops. Set the sound to an appropriate level by turning down the [MASTER VOLUME] dial. You are probably exceeding the maximum polyphony of the instrument. When the maximum polyphony is exceeded, the least important notes (such as soft notes and notes currently decaying) will stop sounding first. The volume of the keyboard parts may be set too low. Raise the volume in the Mixer display (page 80). This may occur if a USB flash drive has been installed to the instrument. Installation of some USB flash drive may result a long interval between turning the power on and appearance of the Home display. To avoid this, turn the power on after disconnecting the device. The language settings have been changed. Set the appropriate language for the file/ folder names (page 21). The file extension (.MID, etc.) may have been changed or deleted. Manually rename the file, adding the appropriate extension, on a computer. Data files with names of more than 50 characters cannot be handled by the instrument. Rename the file, reducing the number of characters to 50 or less. Troubleshooting PSR-SX900/SX700 Owner's Manual 115
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