beautypg.com

Technical reference, Troubleshooting, E-32 – Casio LK-43 User Manual

Page 34

background image

E-32

Technical Reference

Troubleshooting

Be sure to check the following table whenever you experience problems with keyboard operation.

Cause

Symptom

Action

• No sound when keyboard keys

are pressed.

• Any of the following symptoms

while using battery power.
• Dim power indicator
• Instrument does not turn on
• Display that is flickering,

dim, or difficult to read

• Abnormally low speaker/

headphone volume

• Distortion of sound output
• Occasional interruption of

sound when playing at high
volume

• Sudden power failure when

playing at high volume

• Flickering or dimming of the

display when playing at high
volume

• Continued sound output

even after you release a key

• A tone that is totally different

from the one that is selected

• Abnormal rhythm pattern

and Song Bank play

• L o s s o f p o w e r , s o u n d

distortion, or low volume
w h e n p l a y i n g f r o m a
connected computer or MIDI
device

• Key light stays on.

1. Power supply problem.

2. Volume is set to 0.
3. Headphones are plugged into

the keyboard.

4. The POWER/MODE selector is

in the CASIO CHORD or
FINGERED position.

5. Tone “99 PERCUSSION” is

selected and you are pressing
keys that are not assigned tones.

6. LOCAL CONTROL is off.

• Low battery power

• Keyboard is waiting for play of

the correct note during Step 1
or Step 2 play.

1. C o r r e c t l y a t t a c h t h e A C

a d a p t o r , m a k e s u r e t h a t
batteries (+/–) are facing
correctly, and check to make
sure that batteries are not dead.

2. Press the VOLUME

button.

3. Unplug the headphones from

the PHONES/OUTPUT jack.

4. Normal play is not possible on

the accompaniment keyboard
while the POWER/MODE
s e l e c t o r i s s e t t o C A S I O
C H O R D o r F I N G E R E D .
Change the POWER/MODE
selector setting to NORMAL.

5. While “99 PERCUSSION” is

selected, you can use only keys
that are marked on the console
with illustrations of percussion
instruments.

6. Turn on LOCAL CONTROL.

• Replace the batteries with a set

of new ones or use the AC
adaptor.

1. Press the lit key to continue with

Step 1 or Step 2 play.

2. Press the START/STOP button

to quit Step 1 or Step 2 play.

640A-E-034A

See Page

Page E-12

Page E-15
Page E-14

Page E-18

Page E-16

Page E-31

Page E-12

Pages
E-26, 27
Pages
E-26, 27

LK43_e_32-35.p65

02.2.25, 9:49 PM

Page 32

Adobe PageMaker 6.5J/PPC

This manual is related to the following products: