Panasonic SX-PR804P, Руководство по обслуживанию

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Figure-26
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Use the button in the SOUND GROUP to select an item from 1 to 6 as shown in
Figure-27 . Press a keyboard key.
Figure-27
1. Generate a full amplitude sine wave in the pitch of each key. (No touch, fixed stereo
center).
If no sound is generated or if the sound is distorted, the sound generator ROM
corresponding to the key position is defective.
2. For confirming the output pathway from the sound generator. (Fixed scale, no
touch)
The Lch and Rch sound outputs are confirmed separately.
3. Generate a full amplitude sine wave in the pitch of each key +2 octaves. (No touch,
fixed stereo center)
By generating a sound frequency outside the normal keyboard zone, you can
confirm whether or not there is an abnormality in the sound output frequency zone.
4. Generates a full amplitude sine wave in the pitch of each key -2 octaves. (No touch,
fixed stereo center)
By generating a sound frequency outside the normal keyboard zone, you can
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