■ Removing the PCBs (M404-MDA1, M406-CNA4, M404-PSA1).
3. Remove 13 screws.
T-BRD-UNIT
3. Remove 4 screws.
— 6 —
5. Remove 11 screws.
6. Remove the PCB case.
7. Remove 3 connectors.
8. Remove 4 screws.
CN2
CN6
CN7
9. Remove the FPC and then the main PCB (M404-MDA1).
— 7 —
10. Remove 3 connectors and 4 screws.
11. Remove the console PCB (M406-CNA4).
CN405
CN407
CN408
12. Remove 5 connectors and 6 screws.
13. Remove the sub PCB (M404-PSA1).
CN207CN203
CN206CN212
CN201
Removing the key cover.
14. Remove 2 screws and then both sides of the stoppers.
15. Remove 2 screws and then both sides of the TOP-DECORs.
TOP-DECOR
Stopper
16. Remove the key cover.
2
1
2
— 8 —
* Caution while assembling the key cover.
Removing the key board.
17. Remove 3 screws and then the CN-PANEL ASSY.
18. Remove 24 screws and then the KEY-BOARD ASSY.
— 9 —
Removing the front board.
19. Remove 6 screws on the bottom, and then lift the front board up.
20. Remove 2 screws and then the front board.
Removing the power switch.
21. Remove 2 screws on the bottom.
22. Remove 2 screws and then the power switch.
— 10 —
Removing the power switch.
23. Remove 2 screws on the bottom.
24. Remove 2 screws and then the PCB (M406-CNA2).
25. Remove the volume knob and 2 screws, and then the PCB (M406-CNA1).
— 11 —
Disassembling the key board.
26. Remove 2 screws and then the bracket.
27. Remove the keys.
* Caution while assembling the keys.
Set the key as shown in figures below.
— 12 —
28. Remove 8 rubber keys.
* One of the keys has the different length from others.
* Caution while assembling the rubber keys.
Push the rubber keys with the tool like the tweezers, so the projections of the rubber keys matches with
the holes of the lower case.
29. Remove 9 screws then the PCB (MCPZ-KYA1).
30. Remove 11 screws then the PCB (MCPZ-KYB2).
31. Remove 9 screws then the PCB (MCPZ-KYA3).
MCPZ-KYA1
*SCREW ⋅ 9
MCPZ-KYB2
*SCREW ⋅ 11
MCPZ-KYA3
*SCREW ⋅ 9
— 13 —
DIAGNOSTIC PROGRAM
Initial Setup
1. Connect an AC adaptor.
2. Connect a pedal cord.
3. "Main" volume: MAX.
NOTE: If there is no pedal or MIDI cable, pedal or MIDI check can be skipped.
How to start diagnostic program
1. Turn on the “POWER” button while the “FUNCTION” and the “TRACK1/TRACK2” buttons are depressed.
2. Release the “FUNCTION” and the “TRACK1/TRACK2” buttons.
ALL the LEDs flash and the test mode boots.
Diagnostic program
1. Automatic Test
1 CPU RAM check
2 DSP RAM check
3 ROM check
While performing 1 ~ 3, TONE1, TONE2, TONE3, or START/STOP lights when an error is found in
ROM. If no error is found, the confirmation chord C6 sounds.
2. LED check
1 The LEDs light in the
sequence shown below
when the “FUNCTION”
button is pressed.
LED check repeats if the
“PLAY/RED” is pressed.
4. Pedal check (If there is no Pedal, this check can be skipped.)
1 Press the “FUNCTION” button to perform the “Pedal check.”
2 Press the “SOFT” pedal.
The confirmation chord C4 sounds and “LEFT/TRACK1” LED lights.
3 Press the “SOSTENUTO” pedal.
The confirmation chord E4 sounds and “RIGHT/TRACK2” LED lights.
4 Press the “DAMPER” pedal. (ON HALF)
The confirmation chord G4 sounds and “REC” LED lights.
5 Press the “DAMPER” pedal. (ON FULL)
The confirmation chord G4 sounds and “REC” and “PLAY” LEDs lights.
3. BUTTON check
1 Press the “FUNCTION”
button to perform
“BUTTON check.”
The confirmation chord C6
sounds.
2 Press buttons in the order
following.
NG tone sounds when an
error is found in the
buttons or when the
buttons are pressed in a
wrong order.
This test cannot be
aborted.
— 14 —
5. Headphone check
1 Press “FUNCTION” button to perform the “Headphone check.”
The confirmation chord C6 sounds and “PLAY” LED lights.
2 Connect the headphone to the LEFT jack.
“REC” LED lights.
3 Remove the headphone from the jack.
“PLAY” LED lights.
4 Connect the tuning meter to the RIGHT jack.
“REC” LED lights.
5 Press the “A4” key.
Make sure that the tuning meter is set at 440 ± 2sents.
6 Remove the tuning meter from the jack.
“PLAY” LED lights.
7 Press “FUNTION” button to finish the “headphone check.”
The confirmation chord C6 sounds.
6. MIDI check (If there is no MIDI cable, this check can be skipped.)
1 Press “TONE1” button to perform the “MIDI check.”
NG tone sounds.
2 Connect a MIDI cable.
3 Press the “TONE1” button and make sure confirmation chord C7 sounds.
4 Press the “FUNCTION” button.
The confirmation chord C6 sounds twice.
5 Turn off the “POWER” button.
6 Turn on the “POWER” button.
The diagnostic program ends.
1 Remove the Pedal unit.
2 Remove the MIDI cable.
— 15 —
MAIN PCB M404-MDA1
SCHEMATIC DIAGRAMS
— 16 —
NOTE: The portions marked as "UNUSED" are not used on this model.
SUB PCB M404-PSA1
— 17 —
NOTE: The portions marked as "UNUSED" are not used on this model.
CONSOLE PCB M406-CNA1CONSOLE PCB M406-CNA2
— 18 —
CONSOLE PCB M406-CNA3CONSOLE PCB M406-CNA4
— 19 —
EXPLODED VIEW
×4
58
55
56
57
2
33
27
71
28
28
29
30
31
31
29
28
3
34
4
71
23
24
32
36
37
38
39
40
46
50
48
46
32
47
47-3
47-4
47-1
47-2
47-1
47-3
47-4
49
41
42
45
43
44
8
6
5
7
1
35
9
13
22
21
20
19
18
17
16
15
11
14
10
12
47-2
48-1
70
70-1
– 20 –
×4
×4
Butterfly
bolt x 2
Screw x 4
Screw cap
(Brown) x 4
Screw x 2
Screw cap
(Black) x 2
Clip x 2
53
74
54
74
40
36
37
38
39
67
51
52
72
73
52-3
52-2
52-1
51-3
51-1
51-2
55
59
66
68
65
64
63
61
57
56
58
58
62
60
69
– 21 –
PARTS LIST
PX-700
Notes: This parts list does not include the cosmetic parts,
which parts are marked with item No. "R-X" in the
exploded view.
C
N7210286849 BOX ASSY/SPEAKERTK-RJM506117*0021DUC For Korea
N7210286850 BOX ASSY/SPEAKERTK-RJM506117*0031DVC For EU/UK
N7310281528 BOX ASSY/PEDALTK-RJM506118*0011DMC
N7310288054 BOX ASSY/PEDALTK-RJM506118*0021DOC For EU
N74