Diagnostic Program - Casio WK-3800 Service Manual

Initial Setup
1. Connect an AC adaptor.
2. Connect a Sustain pedal.
3. "Main" volume: MAX.
NOTE: If there is no pedal or MIDI cable, pedal or MIDI check can be skipped.
How to start diagnostic program
1. Press the "POWER" button while pressing the "Cursor key Up" and "Cursor key Down" buttons.
2. Release the "POWER" button first while still pressing the "Cursor key UP" and "Cursor key Down" buttons.
3. Release the "Cursor key UP" and "Cursor key Down" buttons. "TEST 741" appears on the LCD.
NOTE: Refer to the figure below for the LCD messages that appear during the diagnostic program.
E

Diagnostic program

1. Button check
1 Press "DSP" button.
2 Press buttons in the following order.
NOTE: NG sound sounds when a button is defective or buttons are pressed in a wrong order.
LCD message appears in the area 1.
Message on LCD
1 DSP
2 MODE MODE
3 ONE TOUCH PRESET OTP
4 CARD CARD
5 ACCOMP VOLUME ACMP VOL
6 SONG MEMORY SONG
INT/END1
7 INTRO/ENDING 1
INT/END2
8 INTRO/ENDING 2
VAR/FIL 1
9 VARIATION/FILL-IN 1
VAR/FIL 2
@ VARIATION/FILL-IN 2
A SYNCHRO/FILL-IN NEXT SYNCHRO
B START/STOP STRT/STP
C TEMPO TEMPO/DW
D TEMPO TEMPO/UP
E BANK BANK
F REGISTRATION 1 REGIST 1
G REGISTRATION 2 REGIST 2
H REGISTRATION 3 REGIST 3
2
3
5 6
7 8 9 0 A
DIAGNOSTIC PROGRAM
3 2 4
G r a n
D C B A
Message on LCD
I REGISTRATION 4 REGIST 4
J STORE STORE
K TRANSPOSE/FUNCTION TRN/FUNC
L MIXER MIXER
M SYNTH SYNTH
N EFFECT EFFECT
O SMF PLAYER SMF
P CH1 CH1
Q CH2 CH2
R CH3 CH3
S CH4 CH4
T CH5 CH5
U CH6 CH6
V CH7 CH7
W CH8 CH8
1Ft UP
X UP
Y CH9 CH9
Z CH10 CH10
K
L
M
N
PQRSTUVWX
4
O
YZ[\]^abc
B C D E F G H I J
1
d P o n
0 9 8
[ CH11
\ CH12
] CH13
_ CH14
a CH15
b CH16
c DSP CH
d DRAWBAR ORGAN
e TONE
f RHYTHM
g DSP
h PIANO SETTING
i [CURSOR BUTTONS]
UP
j RIGHT
k DOWN
l LEFT
m EXIT
e
f
d
— 17 —
5
7 6
Message on LCD
CH11 n AUTO HARMONIZE
CH12 o SPLIT
CH13 p LAYER
CH14 q 0
CH15 r 1
CH16 s 4
DSP CH t 7
DRAWBAR u 8
TONE v 5
RHYTHM w 2
DSP x -
PIANO y +
z 3
UP
{ 6
RIGHT
| 9
DOWN
} DEMO
LEFT
EXIT
1 g h
i
t u
l j
s v
k
m
r w z
q x
n o p
Message on LCD
HARMO
SPLIT
LAYER
0
1
4
7
8
5
2
-
+
3
6
9
DEMO
SW OK
}
|
{
y