Yamaha 01V96, Service Manual

Page: 93 / 227

01V96
93
1-23. PANEL LED test
Contents: 1. Check that the brightness of all of the
LEDs on the panel light in four grades.
2. Light the red LEDs only and check that
no other colors are present.
3. Light the green LEDs only and check that
no other colors are present.
4. Light the orange LEDs only and check
that no other colors are present.
Example of execution screen
1-24. PANEL SW test
Contents: Check that all of the switches on the panel
respond when pressed in the specified
order (automatic judgement).
Example of execution screen
1) See SW operation Fig. 1 and 2 in “2. Supplement”
for operation order.
2) When the check starts, the LCD display changes
to the LCD display Fig. 1 in “2. Supplement.” This
screen can be skipped if the [DEC] key is pressed.
For this reason, the [DEC] key is not included in
the operation order.
1-26. FADER Move test
Contents: • At first, manually move the FADER all
the way up and all the way down
according to instructions on the
execution screen. During this time, the
positions are checked and whether or not
the values are correct is automatically
judged using the built-in A/D.
• Move all of the FADERs all the way up
and all the way down and the positions
are checked and whether or not the
values are correct is automatically
judged using the built-in A/D.
Example of execution screen
1-21. LCD test
Contents: Display the entire LCD screen in black
and white alternatively and visually check.
Example of execution screen
Check if the entire screen is displayed in black and
white respectively.
When the entire screen is displayed in black, check
for any dot flaws.
Check if the screen contrast changes when the contrast
volume is changed.
If the above is confirmed, press the [DEC] key and
select OK/NG.
1-22. PANEL LED test
Contents: Visually check that the LEDs on the panel
light in the specified order.
Example of execution screen
See LED lighting order Fig. 1 and 2 in “2. Supplement”
for the lighting order.
EXIT ([DEC] Key->[ENTER] Key)
NG GROUP1
GROUP2
--- PNL SW ---
OK 1 BRIGHTNESS
OK 2 RED LEDs
OK 3 GREEN LEDs
OK 4 ORANGE LEDs
--- PANEL ALL LED ---
[ENTER] key to Start
OK NG
EXIT ([DEC] Key->[ENTER] Key)
Good or bad
decision
EXIT ([DEC] Key->[ENTER] Key)
--- LCD ---
OK Turn on LCD(white<-->black)
[ENTER] key to Start, [DEC] key to Stop
OK NG Good or bad
decision
EXIT ([DEC] Key->[ENTER] Key)
--- WORD CLOCK ---
OK OUT->IN
OK PLL (DIR2,DBL)
NG PLL UnLock
Disconnect WORD CLOCK cable
NG:DBL_PLL_48K_COUNT=220
If this message is displayed,
disconnect the BNC cable
connected to the WORD
CLOCK IN and press the
[ENTER] key.
EXIT ([DEC] Key->[ENTER] Key)
--- PANEL LED ---
OK 1 CH1..CH16 PEAK-SIGNAL
OK 2 FADER MODE..LAYER
OK 3 CH1..CH16, STEREO, ST IN1/3-2/4 SEL-SOLO-ON
OK 4 SOLO..SELECTD CHANNEL..ST IN
OK 5 USER DEFINED KEYS
OK 6 STEREO METER
OK 7 ALL LED ON
[ENTER] key to Start
OK NG
Good or bad
decision