Diagnostic Program - Casio LK-125 Service Manual & Parts Manual

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

DIAGNOSTIC PROGRAM

buttons.
Buttons
0
1
TONE
STEP 1
PART SELECT
Buttons
– 16 –
Note
Note
Headphones
LK-125