Casio LK-100 Service Manual

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8. LCD check
1 Press the “STEP1” button.
* All dots and characters of LCD turn on.
* There is no lack of the dot and the charater.
* See all dots from lower view angle(38.7°).
* See all dots from upper view angle(66.7°).
2 Press the “STEP2” button.
* LCD no display.
3 Press the “STEP3” button.
* Block of LCD turns on by sequential.
* There is no lack of the dot and the charater.
4 Press the “ONE KEY(Left side)” button.
* Half dots on DP3 area of LCD turns on.
* There is no lack of the dot and the charater.
5 Press the “ONE KEY(Left side)” button.
* Another half dots on DP3 area of LCD turns on.
* There is no lack of the dot and the charater.
6 Press the “ONE KEY(Right side)” button.
* Half segments of LCD turns on exclude DP3.
* There is no lack of the dot and the charater.
7 Press the “ONE KEY(Right side)” button.
* Another half segments of LCD turns on exclude DP3.
* There is no lack of the dot and the charater.
9. APO check
1 Press the “PART SELECT” button.
* Go out from TEST mode (Power off).
* The LCD turns off.
* Disconnect the MIDI cable.
* Disconnect an AC adaptor.
* “MODE” switch: OFF
DIAGNOSTIC PROGRAM IS FINISHED.
DP3 area

Casio LK-100 Specifications

General

MIDI-keyboard number of keys	61 keys
Interface	USB
DC-in jack	Yes
Dimensions (WxDxH)	945 x 373 x 135 mm
Power requirements	9 V DC

Weight and Dimensions

Weight	4700 g