Lcd, Led Blink Test - Yamaha Motif XS Series Service Manual

[Test method]
Check the results of ID numbers for each EBUS IC obtained.
TEST
01 : EBUS ID Check
PNA Sheet
PNB Sheet
PNC Sheet
JKAN Sheet
Key Sheet
[Check item]
After obtaining ID numbers for each EBUS IC when starting
the test program, it is checked that they are identical with
designated values.
ID numbers for EBUS IC which are not obtained will be shown
as NG.
[Judgment result indication]
OK
TEST
01 : EBUS ID Check
PNA Sheet OK
PNB Sheet OK
PNC Sheet OK
JKAN Sheet OK
Key Sheet OK
xx: Number of keys
Example of an NG
TEST
01 : EBUS ID Check
PNA Sheet NG
PNB Sheet OK
PNC Sheet OK
JKAN Sheet OK
Key Sheet OK
xx: Number of keys
MOTIF XS Test Program
MOTIF XS Test Program
OK
KeyType xx
MOTIF XS Test Program
NG
KeyType xx
MOTIF XS6/MOTIF XS7/MOTIF XS8
[MIDI code output for judgment result]
OK: A0 21 02 <== (If all EBUS ID numbers are OK)
NG: A0 21 03 <== (If any EBUS ID number is NG)
[How to quit test]
When all the EBUS ID numbers are normally checked and
indicated as OK, the test will be completed and item selection
condition will be selected.
If the judgment is NG on the way, refer to "D. How to carry
out tests when judged as NG" (page 113) to proceed the
test program.
[Others]
None
T02: LCD,LED Blink
(Test Code: A00200)
[First indication]
TEST
02 : LCD, LED
[Test contents]
After entering the test, LCD switches between RGB color bar
and B/W inversion as you press the [ENTER] button. All the
LEDs will be turned on during the test.
LCD: RGB color bar and B/W inversion all-dot indication
will be repeated through the LCDC (DM: IC824).
LED: All the LEDs will be turned on through EBUS
controller (built in SWP51Master side (DM:IC010)).
Check that LCD backlight is lighting at appropriate brightness.
Check that contrast is changed when the [LCD CONTRAST]
volume is moved and that contrast can be adjusted to make the
LCD easily viewable.
[Test method]
Executes the test.
[Check item]
Check RGB color bar, B/W inversion indication and lightning
of all the LEDs. Check that backlight is lightning. (It shouldn't
too bright or too dim when seeing the LCD straight). Check that
contrast can be adjusted with the [LCD CONTRAST] volume.
MOTIF XS Test Program
Press [ENTER]
115