Yamaha P-115B Service Manual page 46

P-115B/P-115WH/P-45B
P-45B P-115B/P-115WH
No. Key No. Key
23 C#3 14 C#3
46
Test■item
SW check Checks whether each panel button with its LED (if available) works properly or not.
P-115B/P-115WH
1) Press the [C#3] key of the keyboard.
2) Press switches one at a time in the order specified below.
When the switch being pressed is detected, the sine wave sound is produced at the
corresponding scale as in the table below is output and the LED linked to that switch
lights up.
<Switch■testing■order>
Order
1
2
3
4
5
6
7
8
9
10
11
12
13
14
3) When testing all switches is completed and the test result is OK, the C4 sine wave
sound is produced (for 1 second). For the NG test result, the C2 sine wave sound is
produced continuously (until any key is pressed).
4) Press the lowest key to exit the TEST item.
5 (LED)
1 2 3 4
P-45B
1) Press the [C#3] key of the keyboard.
2) The LED of the [ ] (Standby/On) switch goes off.
3) Press the [GRAND PIANO] button, and the LED of the [ ] (Standby/On) switch
lights up and the C3 sine wave sound is produced.
<Switch■testing■order>
Order
1
1 (LED)
4) Release the button, and the C4 sine wave sound is produced (for 1 second) when the
test result is OK. For the NG test result, the C2 sine wave sound is produced con-
tinuously (until any key is pressed).
5) Press the lowest key to exit the TEST item.
Test■function■and■judgment■criteria
Switch■name
DEMO/SONG
SELECT <
SELECT >
METRONOME/RHYTHM
PIANIST STYLE
REC
PLAY
G. PIANO
MELLOW GP
STAGE EP
JAZZ ORG.
ROCK ORG.
STRINGS
W. BASS
7 (LED)
6 (LED) 8 (LED)
5 6 7
Switch■name Note■number
GRAND PIANO
1
Note■number LED
C3 -
D3 -
E3 -
F3 -
G3 PIANIST STYLE (red)
A3 REC (red)
B3 PLAY (green)
C4 VOICE (red)
D4 -
E4 -
F4 -
G4 -
A4 -
B4 -
8 9 10 11 12 13
C3
14