Yamaha 6 MODX 6/7/8 Owners Manual - Page 70

Troubleshooting No sound? Wrong sound? When a problem like this occurs, please check the following points before assuming that the product is faulty. Many problems can be solved by executing Data Initialization (page 19), after backing up your data to a USB flash drive (page 60). If the problem persists, consult your Yamaha dealer. Touch panel does not respond correctly.  Is the point you touch on the touch panel lined up properly with the target item in the display underneath? Calibrate the touch panel. [UTILITY] + [PART SELECT MUTE/SOLO]  [ENTER] [UTILITY]  [Settings]  [System]  [Calibrate Touch Panel] No Sound.  Are all sliders set to appropriate levels (other than zero or minimum)?  Is the MODX properly connected to related external equipment (e.g., amplifier, speaker, headphones) via audio cables? Since the MODX has no built-in speakers, you will need an external audio system or a set of stereo headphones to properly monitor it (page 18).  Is the power of this synthesizer and any external equipment connected to this synthesizer turned on?  Have you made all the appropriate level settings-including the Master Volume on this synthesizer and the volume settings on any connected external equipment? When the Foot Controller is connected to the [FOOT CONTROLLER] jack, press the Foot Controller down.  Is the Local Control parameter set to off? When the Local Control parameter is set to off, no sound is produced even if you play the keyboard. [UTILITY]  [Settings]  [MIDI I/O]  "Local Control"  Is a blank Part selected? If so, assign any sound to the Part or select another Part.  Is the Mute switch for each Part turned on? When the Mute switch is turned on, no sound is produced even if you play the keyboard. [PERFORMANCE (HOME)]  Part "Mute" [PART SELECT MUTE/SOLO]  "Mute"  Part selection  Is the Keyboard Control of each Part turned off? [PERFORMANCE (HOME)]  Part "Kbd Ctrl"  Is the "Arp Play Only" parameter of each Part turned on? When this parameter is turned on, the corresponding Part produces sound only via Arpeggio playback. [PERFORMANCE (HOME)]  Part selection  [EDIT]  [Part Settings]  [General]  "Arp Play Only" [PERFORMANCE (HOME)]  Part selection  [EDIT]  [Arpeggio]  [Common]  "Arp Play Only"  Are the MIDI volume or MIDI expression settings too low when using the external controller?  Are the effect and filter settings appropriate? If you are using a filter, try changing the cutoff frequency. Some cutoff settings may filter out all of the sound. [PERFORMANCE (HOME)]  [EDIT]  [Effect] [PERFORMANCE (HOME)]  Part selection  [EDIT]  [Effect] • In case of Normal Part (AWM2) and Drum Part [PERFORMANCE (HOME)]  Part selection  [EDIT] Element/Key selection  [Filter] • In case of Normal Part (FM-X) [PERFORMANCE (HOME)]  Part selection  [EDIT]  Operator selection  [Pitch/Filter]  Is "Vocoder" selected as the Insertion Effect Type of the Part? If so, set the parameters related to the A/D INPUT [L/MONO]/[R] jacks to the appropriate values then play the keyboard while inputting your voice into the microphone connected to the MODX. Check whether or not the A/D INPUT [GAIN] Knob on the rear panel is set to the minimum position. [EDIT]  Part selection  Element/Key/Operator [Common]  [Effect]  [Routing] 66 MODX Owner's Manual