CVP-105
26
15
16
17
18
19
20
21
22
23
25
26
27
28
29
31
32
33
37
38
41
42
43
46
47
48
No.
LCD for Each Test
Test Functions and Judgment Criteria
015: Output L
016: EQ Low
017: EQ Mid
018: EQ High
019: D/A Noise
020: SW, LED Check
021: All Panel LED On
022: All Red Panel LED On
023: All Green Panel LED On
025: All Key LED On
026: All RED Key LED On
027: All Green Key LED On
028: All LCD Dot On
029: All LCD Dot Off
031: Soft Pedal Check
032: Soste, Pedal Check
033: Damper Pedal Check
037: MIDI Check
038: To Host Check
041: ROM Check2
042: RAM Check2
043: Wave ROM Check2
046: Back up Check2
047: Factory Set
048: Test Mode Exit
Check the output level (1 kHz).
AUX OUT L:
-7 dBm +/-2 dB
AUX OUT R: Less than -35 dBm
When the stereo plug is connected, check that the following output levels are shown:
PHONES L:
-16 dBm +/-2 dB
PHONES R:
Less than -35 dBm
For factory test use only (outputs the C1 sine wave tone)
For factory test use only (outputs the C4 sine wave tone)
For factory test use only (outputs the C7 sine wave tone)
Checks D/A converter noise level.
Play a note to check that there is no noise during the PIANO 1 release time.
(The damper pedal should be ON.)
Check the switches and the LEDs on the panel.
Press the switch that is displayed on the LCD. A pre-assigned note is output
when the switch is pressed. (With some switches, the corresponding LED
will light up.) Also check the dial by turning it; the LCD should display “OK”.
The LCD will display the numbers from 50 – 100 when turning the dial
clockwise from the center and from 50 – 0 when turning the dial counter-
clockwise from the center.
Check that all panel LEDs are lit.
Check that all red panel LEDs are lit.
Check that all green panel LEDs are lit.
Check that all keyboard guide LEDs are lit.
Check that all red keyboard LEDs are lit.
Check that all green keyboard LEDs are lit.
Check that all LCD dots are ON. The LCD becomes blue.
Check that all LCD dots are OFF. The LCD becomes white.
Check that the C3 note sounds when pushing the pedal and that the C4
sounds when releasing the pedal; the LCD should display “OK”.
Check that the C3 note sounds when pushing the pedal and that the C4
sounds when releasing the pedal; the LCD should display “OK”.
Check that the C3 note sounds when pushing the pedal and that the C4
sounds when releasing the pedal; the LCD should display “OK”.
After connecting the MIDI IN and MIDI OUT, execute the test. The test
result will appear on the LCD.
Connect pin 3 to pin 5 and pin 6 to pin 8 of the TO HOST terminal, and
execute the test.
Check that the following notes sound when changing the HOST SELECT
switch position according to the LCD indication; the LCD should display “OK”.
Mac position: note C5; PC1 position: note C4; PC2 position: note C3
Checks the Program ROM and Data ROM
Checks all RAMs that are connected to CPU
Checks the Wave ROM
For factory test use only
All RAMs are initialized and reset to the factory preset data when executing
this test.
Exit from the test program when executing this test.
Note: 0 dBm =0.775 V
