— 16 —
4. Headphone check
1
Press “CONTROL” button.
* The confirmation chord of C4, E4 and G4 sounds.
2
Connect the headphone to the jack.
* “PART(R)” LED lights.
3
Remove the headphone from the jack.
* “PART(L)” LED lights.
4
Connect the tuning meter to the jack.
* “PART(R)” LED lights.
5
Press A4 key.
* Make sure that the tuning meter is set at 440
±
2 cents.
6
Remove the tuning meter from the jack.
* “PART(L)” LED lights.
5. MIDI IN/OUT check (If there is no MIDI cable, this check can be skipped)
1
Connect MIDI IN and MIDI OUT terminals with a MIDI cable.
2
Press “CONTROL” button.
* The confirmation chord of C4, E4 and G4 sounds.
* “PART(L)” LED lights.
3
Press “A4 KEY” button.
* The confirmation chord of C4, E4 and G4 sounds.
6. ROM version check
Version: 1.20
* LED should be in the following state.
USER_SONG LED:
Turn on
PART(L) LED:
Turn off
PART(R) LED:
Turn off
SPLIT LED:
Turn off
7. The diagnostic program ends.
Summary of Contents for Celviano AP-24
Page 1: ...ELECTRONIC KEYBOARD AP 24 JUN 2004 AP 24 ...
Page 6: ... 4 PRINTED CIRCUIT BOARD MAIN PCB M420 MAA1 Bottom view Top view ...
Page 19: ... 17 SCHEMATIC DIAGRAMS MAIN PCB M420 MAA1 ...
Page 20: ... 18 SUB PCB M420 PSA1 ...
Page 21: ... 19 JACK PCB M420 PSA2 ...
Page 22: ... 20 CONSOLE PCB M420 PSA3 ...
Page 23: ... 21 LED PCB M420 PSA4 ...
Page 24: ... 22 POWER SUPPLY PCB M420 ACA1 ...
Page 25: ... 23 Keyboard PCB MPCK KYA1 ...
Page 26: ... 24 Keyboard PCB MPCK KYB2 ...
Page 27: ... 25 Keyboard PCB MPCK KYA3 ...