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DIAGNOSTIC PROGRAM
Initial Setting
1. Connect the AC adaptor.
2. "Main" volume: MAX
3. Prepare a PC with USB cable connected for USB check.
How to start diagnostic program
1. Press and hold the "0", "1" and "2" buttons.
2. Press the "POWER" button.
3. The massage "TESTMODE" is appears on LCD.
TESTMODE
4. Release the "0", "1" and "2" buttons.
Diagnostic program
1. Button check
Press "1" button.
Press the button in the order indicated in the illustration below.
The button number will be displayed on the LCD.
Example) SW00 + (the button number shown in the illustration)
If the switch function is OK: You will hear the OK sound signal and the button number will be displayed.
If the switch function is NG or switches were pressed in a wrong order: You will hear the NG sound signal
and the button number will be displayed.
23
25
24
21
04 05
06 07
08
20
0A 09
0E 0B 0C 0F 0D 10
11 12 13
22 26
02
01
00
1B
18
15
14
1C
19
16
1F
1D
1A
17
OK
Press the "+" button the last.
Press "0" to end the Button Check.
1:SW
1:SW OK!
TEST 1-9
Summary of Contents for CTK-4000
Page 1: ...ELECTRONIC KEYBOARD without price CTK 4000 JUL 2008 CTK 4000 Ver 2 Dec 2008 ...
Page 11: ... 9 Keyboard PCB M802 KYA1 Top View Bottom View Keyboard PCB M802 KYA2 Top View Bottom View ...
Page 19: ... 17 SCHEMATIC DIAGRAMS Main PCB M804 MDA1 Not used pin12 to pin15 ...
Page 20: ... 18 Sub PCB M804 PSA1 Not used ...
Page 21: ... 19 Console PCB M805 CNA1 ...
Page 22: ... 20 Console PCB M805 CNA2 Console PCB M805 CNA3 ...
Page 23: ... 21 Console PCB M805 CNB1 Console PCB M805 CNB2 ...
Page 24: ... 22 Console PCB M802 KYA1 ...
Page 25: ... 23 Keyboard PCB M802 KYA2 ...
