67
PSR-S750/PSR-S950
Test No.
LCD display
Test descriptions, judging conditions, etc.
27
027 : LCD Backlight Off Check
Checking LCD backlight for ON/OFF function.
Switch the backlight ON and OFF with the [TAB
2
3
] button.
28
028 : Main Volume Check
Checking the main volume.
When the [MASTER VOLUME] knob is turned counterclockwise and MIN (minimum value)
is detected, “
Main Volume MIN 0
” is displayed.
When the [MASTER VOLUME] knob is turned clockwise and MAX (maximum value) is
detected, “
OK 255
” is displayed.
Check that the minimum value (0) and maximum value (255) of the main volume can be detected.
29
029 : Emergency Circuit Check
Checking the abnormal detection circuit for proper operation.
Sound is produced with about 441Hz (A3) sine wave at a specifi ed level, PAN=center.
Using the [TAB
2
3
] button, switch between the function valid (sound muted) and invalid
(sound produced) for this check.
Emergency Circuit Check ON
[TAB
3
]: With the function set to valid, the SP output
sound is muted.
Emergency Circuit Check OFF
[TAB
2
]: With the function set to invalid, the SP output
sound is produced.
(The plug should be unconnected from the PHONES terminal.)
30
030 : Pitch Bend Wheel Check
Checking PITCH BEND.
When the test is started, “
Pitch Bend Up 128
” is displayed.
Set the [PITCH BEND] wheel to the maximum position and check that the G3 sound is pro-
duced and “
Pitch Bend Down 255
” is displayed.
Set the [PITCH BEND] wheel to the minimum position and check that , the C3 sound is pro-
duced and “
Pitch Bend Center 0
” is displayed.
Set the [PITCH BEND] wheel to the center position and check that the C4 sound is produced
and “
OK 0
” is displayed.
31
031 : Modulation Wheel Check
Checking MODULATION.
When the test is started, “
Modulation Up
***
” is displayed.
Set the [MODUCATION] wheel to the maximum position and check that the G3 sound is
produced and “
Modulation Down 255
” is displayed.
Set the [MODULATION] wheel to the minimum position and check that the C4 sound is pro-
duced and “
OK 0
” is displayed.
32
032 : Pedal 1 Check
Checking the Pedal 1.
Connect the foot controller (FC7) to the [FOOT PEDAL 1] jack.
When the pedal is set to the minimum and C3 is played. When the pedal is set to the maximum
and G3 is played.
Disconnect the foot controller from the [FOOT PEDAL 1] jack and C4 is played.
Check that
“Pedal 1 Check OK”
is displayed on the LCD when the test is completed.
33
033 : Pedal 2 Check
Checking the Pedal 2.
Connect the foot controller (FC7) to the [FOOT PEDAL 2] jack.
When the pedal is set to the minimum and C3 is played. When the pedal is set to the maximum
and G3 is played.
Disconnect the foot controller from the [FOOT PEDAL 2] jack and C4 is played.
Check that
“Pedal 2 Check OK”
is displayed on the LCD when the test is completed.
34
034 : MIDI Check
Checking MIDI.
Connect the [MIDI IN] connector and [MIDI OUT] connector with a MIDI cable and then
execute the test.
Check that C4 is played and
“MIDI Check OK”
is displayed on the LCD.
35
035 : VIDEO OUT NTSC RGB
Checking Video OUT.
Connect an appropriate display monitor to the [VIDEO OUT] jack.
Check that RGB color code is shown on the display monitor when the test is executed.
36
036 : VIDEO OUT PAL RGB
Checking Video OUT.
Connect an appropriate display monitor to the [VIDEO OUT] jack.
Check that RGB color code is shown on the display monitor when the test is executed.
Summary of Contents for PSR-S750
Page 41: ...41 PSR S750 PSR S950 Pattern side 2NA WZ35370 1 DM Circuit Board PSR S750 ...
Page 43: ...43 PSR S750 PSR S950 Pattern side Scale 90 100 DM Circuit Board PSR S950 2NA WZ49340 1 ...
Page 45: ...45 PSR S750 PSR S950 Scale 90 100 Pattern side AJACK Circuit Board 2NA WZ43510 2 ...
Page 47: ...47 PSR S750 PSR S950 PNM Circuit Board Pattern side Scale 70 100 2NA WZ50830 1 ...
Page 48: ...PSR S750 PSR S950 48 PNS Circuit Board Component side WR 315 1 WR 31 1 WR 310 1 2NA WZ50830 1 ...
Page 49: ...49 PSR S750 PSR S950 Pattern side PNS Circuit Board 2NA WZ50830 1 ...
