Yamaha DTXT2S, Service Manual, Page: 40 / 95

DTXTREME IIS
40
[Test method]
1. Check that the LEDs corresponding to the following
panel switches light up in the sequential order below.
[ RHYTHM / INS] Green
[ BASS / DEL] Green
[ OTHERS] Green
[ CLICK] Red
[ CLICK] Green
[ PLAY / STOP] Green
[ REC] Red
[ PLAY] Green
[ CHAIN] Green
[ SONG / JOB] Green
[ UTILITY] Green
[ TRIGGER] Green
[ VOICE] Green
[EFFECT] Green
[ ENTER / YES] Green
[ CLICK] Red
[Check item]
Check that the LEDs light up in order of the above tests.
Also visually check that all LEDs provide the same
degree of brightness.
[Indication of judgment result]
None
[Content of FAIL judgment]
None
[Completing the test]
OK: Go on to the next test.
C- 31. 7SEG LED
[Initial indication]
[Test content]
Check that 7SEG LED lights up correctly.
[Test method]
Check that 7SEG LED lights up.
Light up each segment of the 7-segment LED (2 digit + dot)
in the following order.
{Cross-bar, upper}
{Vertical bar, upper right}
{Vertical bar, lower right}
{Cross-bar, lower}
{Vertical bar, lower left}
{Vertical bar, upper left}
{Cross-bar, middle}
{Dot}
Finally, all light up.
[Check item]
Check that the LEDs light up in the above order. Also
visually check that there is no variance in brightness.
[Indication of judgment result]
None
[Content of FAIL judgment]
None
[Completing the test]
OK: Go on to the next test.
C- 32. PANEL SW
[Initial indication]
[Test content]
Check that the panel switches turn ON/ OFF correctly.
[Test method]
Turn ON the panel switches from [
▲
] to [ENTER/
YES] according to the LCD indication as below.
XXXXX indicates the name of the panel switch.
[
▲
] ([ PAGE UP] )
[
▼
] ([ PAGE DOWN] )
[RHYTHM / INS]
[SHIFT]
[BASS / DEL]
[OTHERS]
[CLICK]
[TOP]
[REWIND]
[PLAY / STOP]
[FFWD]
[REC]
[PLAY]
[CHAIN]
[SONG / JOB]
31 7SEG LED
32 PANEL SW
[PAGE UP]
32 PANEL SW
[XXXXX]
C- 30. PANEL LED
[Initial indication]
[Test content]
Check that PANEL LED lights up correctly.
C- 29. CONTRAST
[Initial indication]
None
[Test content]
Check that the LCD provides the correct contrast.
[Test method]
Check that the LCD contrast variable.
[Indication of judgment result]
None
[Content of FAIL judgment]
None
[Completing the test]
Pressing the [ENTER/YES] key proceeds to the next test.
30 PANEL LED