[TEST 7]
Recording and playback test. Tests the operation of the units in the recording system (using a disk
for recording).
Records then plays back the scale of Keys 1 to 88, pedal ON/OFF, and so on.
The location of the defect can be determined by the error symptom that occurs, as listed below.
• Hammer/Key Sensor Units
Recording conditions: Key 1-88 scale, normal volume
• Pedal Sensor Unit
Symptom
Pedal doesn't work
Pedal remains depressed
and doesn't return.
Faulty Section
Pedal Sensor Unit is positioned too high.
Pedal Sensor Unit is positioned too low.
* Attention must also be given to the connector of the action brackets (right and left).
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