Yamaha 01x Service Manual page 80

O1X
After setting faders 1 to 8 to "7.5" position and the STEREO
fader to "20", press the [KNOB-8], and that position is saved in
the memory of the main unit. Then, the nine faders move down
to approximately the lowermost position. The following message
appears on the LCD.
22:FADER LEVEL
SET LOWER LEVEL (-oodB)
After setting all faders to "- ∞" position, press the [KNOB-8],
and that position is saved in the memory of the main unit. Then,
faders 1 to 8 move in the order of - ∞ -> -7.5 -> +6 -> -7.5 -> -
∞ and repeat it 3 times.
The STEREO fader moves in the order of - ∞ -> +20 -> +0 ->
+20 -> - ∞ and repeats it 3 times.
The following message appears on the LCD.
22:FADER LEVEL
FADER CALIBRATING ...
Upon completion of testing, the screen returns to the execution
select screen and "O" is displayed in the check item space.
(3) Execution method in the faulty state
When ERROR appears on the LCD, press the [KNOB-8] and
the testing comes to an end. The screen returns to the execution
select screen and "X" is displayed in the check item space.
22:FADER LEVEL
ERROR:xxxxxx
(4) Item description and error message
1: FADER BAD POSITION
ERROR message: ERROR: FADER BAD POSITION
As the fader is not set at a correct position, it cannot be
checked.
2: CAN NOT SAVE
ERROR message: ERROR: CAN NOT SAVE
Saving in the FLASH ROM is not possible.
(5) Check point when judged as NG
The devices that can be diagnosed by this check are as follows.
Circuit board Device name
DM CPU (IC101)
DM CI-SUB (IC403)
MF
80
ENTER
EXIT
Function
Multiplex signal output, volume
value input
MOTOR FADER control
Motor fader circuit
4.23 Switch input check (DM check) .....
(1) Outline
Have the function name of the switch to be checked displayed
on the LCD and press the applicable switch.
(2) Execution method in the normal state
If a judgment is made that a switch other than the applicable
one is turned on or a multiple number of switches are turned on
simultaneously, "NG" is displayed beside each switch name and
each "NG" remains on until only the correct switch is turned
on. When the key condition can be read properly and the switch
is judged as being turned off, the function name of the next
switch to be checked is displayed. The checking order is as
follows.
[NAME/VALUE] -> [SEL3] -> [ON1] -> [ON6] -> [UTILITY]
-> [EQ HIGH-MID] -> [DYNAMICS] -> [INST] -> [F1] ->
[F5] -> [STOP] -> [PLAY] -> [SCRUB] -> [FOOTSW1] ->
[FOOTSW2]
23:SWITCH (DM)
PUSH=xxxxxxxxx ON
When all switches are read in the proper order, the screen returns
to the execution select screen and "O" is displayed in the check
item space.
(3) Execution method in the faulty state
To terminate before the end due to an error, press the [CURSOR
] and [CURSOR ] keys. The screen returns to the execution
select screen and "X" is displayed in the check item space.
(4) Item description and error message
None
(5) Check point when judged as NG
The devices that can be diagnosed by this check are as follows.
Circuit board Device name
DM CPU (IC101)
DM CI-SUB (IC403) Gate array for control of SW matrix, etc.
RE SW (SW***)
4.24 FADER AGING check ......
(1) Outline
The operation of the fader is checked when it has been used
continuously for a long time. Also, the fader moving time and
fader rank are displayed and its moving speed is adjusted.
(2) Execution method in the normal state
In this mode, all the faders move up and down at 750msec
intervals and the number of round trips the faders have made is
(23) SWITCH (DM)
Function
Control of CI-SUB
SW
(30) FADER AGING