Casio CTK-810, Service Manual

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DIAGNOSTIC PROGRAM
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Initial Setting
1. Connect the AC adaptor.
2. Connect a Sustain pedal.
NOTE: If there is no Sustain pedal, Sustain pedal check can be skipped.
3. Connect to a PC through USB. (A USB driver must be installed on the PC.)
4. “MODE” switch: NORMAL
5. “Main” volume: MAX
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How to start diagnostic program
1. While pressing down “+”, “–”, and “4” buttons at the same time, turn the power ON.
2. The massage “TST” is displayed on LCD.
3. Release “+”, “–”, and “4” buttons.
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Diagnostic program
Message on LCD
1. Button check
1 Press “0” button. 00
* Wait for confirmation sound.
2
Slide switches or press buttons in the order from No.01 to No.2D. BUTTON NO.
NOTE: The button numbers are written in hexadecimal numerals.
3
Press the “LAYER” button the last. COK
* Wait for confirmation sound.
* The Button number appears on the LCD. BUTTON NO.
* A buzzer sounds if buttons are pressed in a wrong order, and “CER” appears
on LCD.
NOTE: This check cannot be aborted in mid-course.
2. AC adaptor check
1 Press “–” button. JOK
3. Pedal check
1
Press “1” button. TCH
2 “Sustain pedal”: ON SUS
3 “Sustain pedal”: OFF
00
01
02
03
04 05
06 07
08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14
1C
15
17
18 19 1A 1B
16
1D 1E 1F
2D
2C 25 24
2B 26 23
2A 27 22
29 28 21
20
COK