Yamaha Clavinova CVP-405 Service Manual page 72

CVP-405/CVP-405PE/CVP-405PM
Test No. LCD display
022 : All LED On Check
22
023 : Red LED On Check Checks all the red panel LED's lighting up.
23
024 : Green LED On Check Checks all the green panel LED's lighting up.
24
026 : Keyboard LED Check Checks all the keyboard guide LED's lighting up.
26
27 027 : All LCD On Check
028 : All LCD Off Check
28
029 : LCD Brightness Check Checks LCD brightness. LCD brightness will vary as REGIST 1, 2, 3, and 4 are pressed
29
30 030 : LCD Pattern Check Checks LCD pattern. Switch from RGB pattern → rainbow pattern → flicker noise
035 : Soft Pedal Check
35
(Left pedal check)
036 : Sostenuto Pedal Check Checks Sostenuto Pedal.
36
037 : Damper Pedal Check
37
038 : Aux Pedal Check
38
042 : MIDI Check
42
43 043 : VIDEO OUT NTSC RGB Executes RGB test of VIDEO OUT (NTSC RGB).
44 044 : VIDEO OUT PAL RGB Executes RGB test of VIDEO OUT (PAL RGB).
72
Test descriptions, judging conditions, etc.
Checks all the panel LED's lighting up.
All the panel LED's will light up.
LED is divided into blocks and lighting is switched from one block to another every time
[TAB <> ] button is pressed. When this test is over, LED goes out.
Press the [START/STOP] button to complete testing.
All the red LED's will light up.
LED is divided into blocks and lighting is switched from one block to another every time
[TAB <> ] button is pressed. When this test is over, LED goes out.
Press the [START/STOP] button to complete testing.
All the green LED's will light up.
LED is divided into blocks and lighting is switched from one block to another every time
[TAB <> ] button is pressed. When this test is over, LED goes out.
Press the [START/STOP] button to complete testing.
All the keyboard guide LED's will light up. When this test is over, LED goes out.
Press the [START/STOP] button to complete testing.
Checks all LCDs' lighting up. Confi rm that all the LCD dots turn into black.
Checks all LCDs' going out. Confi rm that all the LCD dots turn into white.
in sequence. "LCD Brightness" is displayed when the test is over.
check pattern, using [TAB <> ] button. The test program displays the color pattern for
inspecting the picture quality of the LCD. It may take several seconds before a pattern is
displayed. Press the [START/STOP] button to complete testing.
Checks Soft Pedal (Left).
When pressing the pedal, "Soft Pedal Check Start" is displayed and the C3 note is
output. Releasing the pedal, confi rm that "Soft Pedal Check OK" is displayed and the
C4 note is output.
When pressing the pedal, "Sostenuto Pedal Check Start" is displayed and the C3
note is output. Releasing the pedal, confirm that "Sostenuto Pedal Check OK" is
displayed and the C4 note is output.
Checks Damper Pedal.
When pressing the pedal, "Damper Pedal Check Start" is displayed and the C3 note
is output. Releasing the pedal, confi rm that "Damper Pedal Check OK" is displayed
and the C4 note is output.
Checks AUX Pedal.
1. Connect a foot pedal to [AUX PEDAL] jack.
Perform the test. "AUX Pedal Down" is displayed on LCD.
When the pedal is not detected, "No Pedal" is displayed on LCD.
2. With the pedal at the maximum position (its far end depressed fully), the C3 note is
output and "AUX Pedal Up" is displayed on LCD.
3. With the pedal at the minimum position (its near end depressed fully) on the other
hand, the G3 note is output and "AUX Pedal Out" is displayed on LCD.
4. When the pedal is disconnected from the [AUX PEDAL] connector, the C4 note is
output and "AUX Pedal Check OK" is displayed on LCD.
Checks MIDI.
After connecting the [MIDI IN] terminal and [MIDI OUT] terminal with a MIDI cable,
execute the test. Confi rm that the C4 note is output and "MIDI Check OK" is displayed
on LCD. Remove the MIDI cable when the test is over.
Connect the main unit with the appropriate display monitor. Confi rm that the display
monitor displays the RGB color bar code and NTSC string.
Connect the main unit with the appropriate display monitor. Confi rm that the display
monitor displays the RGB color bar code and PAL string.