Yamaha CS6X, Руководство по обслуживанию

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CS6X
29
NO-BOARD: board is not loaded.
CONTROL: CONTROL line failure
TEST END
When the [EXIT] switch is pressed, the sound output
will stop and the next test number will be set.
T25. mLAN
Connect the mLAN board to the mLAN slot and execute
testing.
After checking the connection of the mLAN board, the signal
transmission and reception of the MIDI line, the RESET
request signal, and the operation of OUT + SWP30 of the
MEL line by the external clock, check that “OK” appears.
Also, confirm that a 900 Hz sine wave output is obtained
as the final signal at OUTPUT L and R.
DISPLAY OF RESULTS
OK
NG
x x x x x x x : Error code
Error code
NO-BOARD: board is not loaded.
RESET:
errror in the reset request signal check
MIDI: MIDI line failure
MEL: MEL OUT line failure
TEST END
When the [EXIT] switch is pressed, the sound output
will stop and the next test number will be set.
T26. FACTORY SET
This test is used to restore the factory settings.
When the test is executed, the following message will
appear on the LCD.
Pressing [YES] will restore the factory settings.
Pressing [NO] will not restore the factory settings.
When the test ends properly, the sine wave sound is
output momentarily.
DISPLAY OF RESULTS
When the factory settings are restored
OK
When the factory settings are not restored
NG
TEST END
The test ends after the result is displayed.
FACTORY SETTING DATA
After the factory settings are restored, the following data
will be set.
T27. SWP Ch
From OUTPUT-L, the sound output is repeated until the
EXIT switch is pressed via the SWP64Ch on the Master
side to the L channel and via the SWP64Ch on the Slave
side to the R channel.
Connect the plugs to OUTPUT-L and R. Observe the
output waveform using the oscilloscope to check that the
level of all channels is within the below specified
range.
Set the master volume to the Max position.
OUTPUT-L: 1 kHz
±
1.5 Hz, sine wave
OUTPUT-R: 2 kHz
±
1.5 Hz, sine wave
Also, the following message appears on the LCD during
sound output.
x x x : Sound outputting channel no.
Either 64 or 128 can be selected for the mode.
TEST END
AUTO: when the [EXIT] switch is pressed,the sound output
will stop.
MANUAL: when the [EXIT] switch is pressed,the sound
output will stop and the mode select standby
state will be set. When the EXIT switch is
pressed twice more, testing will end.
SYSTEM SETUP
SYSTEM SETUP
Initial valuse of the MIDI DATA specification
INTERNAL VOICE FACTORY SET VOICE
INTERNAL PERFORMANCE FACTORY PERFORMANCE
MODE
VOICE MODE
VOICE PRE1 A01(1)