Yamaha TYROS 2 Service Manual page 83

37 037:LCD Pattern Chk
41 041:Pitch Bend Wheel Chk
42 042:Modulation Wheel Chk
47 047:Pedal 1 Chk
48 048:Pedal 2 Chk
Checks the three LCD patterns.
Confirm that the RGB colour bar pattern (Red, Green and Blue) appears on
the LCD correctly.
The three patterns (RGB, rainbow and flicker noise patterns) can be
switched by pressing the TAB[<] or TAB[>] button.
Checks the pitch bend wheel.
When the test is executed, the LCD shows "Pitch Bend Down".
Turn the pitch bend wheel toward 'DOWN' and confirm that the value on
the LCD changes from 64 to 0.
When the wheel reaches the 'DOWN' position, confirm that the note of C3
sounds and the LCD shows "Pitch Bend Wheel Up".
Then, turn the wheel backward 'UP' and confirm that the value changes
from 0 to127.
When the wheel reaches the 'UP' position, confirm that the note of G3
sounds and the LCD shows "Pitch Bend Wheel Center".
Bring back the wheel to the center, and confirm that the value changes to
64, the note of C4 sounds and the LCD shows "OK".
Checks the modulation wheel.
Turn the modulation wheel forward fully 'MIN' and execute the test.
The LCD shows "Modulation Up", so turn the wheel backward 'MAX' and
confirm that the value on the LCD changes from 0 to127.
When the wheel reaches the 'MAX' position, confirm that the note of C3
sounds and the LCD shows "Modulation Down".
Then, turn the wheel forward 'MIN' and confirm that the value changes
from 127 to 0.
When the wheel reaches the 'MIN' position, confirm that the note of C4
sounds and the LCD shows "OK".
Checks the pedal 1.
When the test is executed, the LCD shows "No Pedal".
Connect the FC-7 to the [ASSIGNABLE FOOT PEDAL] jack (1) and
execute the test with the pedal completely released.
Confirm that the LCD shows "Pedal 1 Up" at that time.
When the pedal is depressed, confirm that the LCD shows "Pedal 1 Down"
and the note of C3 sounds.
When the pedal is released, confirm that the LCD shows "Pedal 1 Out"
and the note of G3 sounds.
Disconnect the pedal from the jack and confirm that the LCD shows "OK"
and the note of C4 sounds.
Checks the pedal 2.
When the test is executed, the LCD shows "No Pedal".
Connect the FC-7 to the [ASSIGNABLE FOOT PEDAL] jack (2) and
execute the test with the pedal completely released.
Confirm that the LCD shows "Pedal 2 Up" at that time.
When the pedal is depressed, confirm that the LCD shows "Pedal 2 Down"
and the note of C3 sounds.
When the pedal is released, confirm that the LCD shows "Pedal 2 Out"
and the note of G3 sounds.Disconnect the pedal from the jack and confirm
that the LCD shows "OK" and the note of C4 sounds.
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