Casio LK-125, Service Manual & Parts Manual

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LK-125
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DIAGNOSTIC PROGRAM
INITIAL SETTING
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Connect the AC adaptor. (1)
Turn the volume to the maximum. (2)
HOW TO START THE DIAGNOSTIC PROGRAM
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Hold down the “0” and “START/STOP” buttons at the same time, to turn the power ON. (1)
Set the mode switch to the “NORMAL”.
NOTE:
Be sure to turn off the power when the test is finished. NOTE:
Release the “0” and “START/STOP” (2) buttons.
After the diagnostic program is launched, the test menu appears. (3)
TEST ITEMS
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Pushing a test button enables the corresponding test item to be tested.
Test Items Buttons Note
A. Mode Switch Check
B. Button Check 0
C. ROM Version Check 1
D. Keyboard LED Check TONE
E. LCD Check STEP 1
F. Auto Power Off Check PART SELECT
This diagnostic program does not test the following items.
Check the functions with regular power-on state.
Test Items Buttons Note
G. Keyboard Check
H. Headphones Check
Headphones