Yamaha A5000 Service Manual page 21

C. TEST
This test program is explained about the manual mode.
00 MIDI
0 0 : M I D I
MIDI cable is joined the following and the test will be executed.
MIDI-A-OUT === MIDI-A-IN
MIDI-A-THRU === MIDI-B-IN (A5000)
RESULT OF THE TEST
OK :
0 0 : M I D I
NG :
0 0 : M I D I
NG
END OF THE TEST
After pressing the [ENC5] STOP, the test will be finished.
01 LCD
01: LCD
The three patterns are: all dots light, all dots go out and the [STOP]
is displayed. This pattern rotates in internals of one second. Check
all dots is on and off on the LCD.
RESULT OF THE TEST
OK :
01: LCD
NG : No display
END OF THE TEST
After pressing the [ENC5] STOP, the test will be displayed and finished.
02 LED/SWITCH
02: LED/SW
Execute the test. As the required switch name is displayed on the
LCD, push the switch. If the switch check is OK, the LED of the next
switch will light and the name of the switch will be displayed on the
LCD.
If the switch check is NG since the ON signal can not be detected,
press another switch. Then the condition will be changed to waiting
for the next switch check.
The order of the check switch :
[KNOB1], [KNOB2], [KNOB3], [KNOB4], [KNOB5],
[PLAY], [EDIT], [REC], [DISK], [UTILITY],
[F1], [F2], [F3], [F4], [F5], [F6],
[COMMAND/EXIT], [ASSIGNABLE], [AUDITION]
AUTO MANUAL
(A4000,A5000)
OK
AUTO MANUAL
NG
STOP
AUTO MANUAL
OK
AUTO MANUAL
AUTO MANUAL
02: LED/SW
P u s h : < * * * * * * * * >
RESULT OF THE TEST
OK :
02: LED/SW
OK
NG :
02: LED/SW
N G S W # : < * * * * * * >
# = the number of the NG switches
END OF THE TEST
After displaying, the test will be finished.
In this switch test , the test can not be exited along the way. So , if the
test needs to be executed from the beginning once more, press any
switch 19 times in maximum. Then the test can be finished.
03 ENCODER
03: ENCODER
Rotate the [ENC1] Knob clockwise to more than 10 count and rotate
it counter clock wise to more than 10 count. Progressively check the
knobs [ENC2], [ENC3], [ENC4] and [ENC5]. Check that OK is
displayed.
03: ENCODER
- - - -
RESULT OF THE TEST
OK :
03: ENCODER
OK OK
NG :
03: ENCODER
OK NG
In case of the [ENC2] is NG
END OF THE TEST
Press the [ENC5] STOP. If the test is finished, the result of the test
will be displayed the following screen.
Press the [ENC5] STOP. If the test is halfway, the test will be
finished.
In case of all OK encoders
03: ENCODER
OK
In case of the NG ENC2
0 3 : E N C O D E R
O K / N G / O K / O K / O K
A5000/A4000
OK
AUTO MANUAL
NG
AUTO MANUAL
AUTO MANUAL
(STOP)
- - - - - -
(STOP)
OK OK OK
(STOP)
OK OK OK
OK
AUTO MANUAL
NG
AUTO MANUAL
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