Casio NX-4000 - Diagnostic Program

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DIAGNOSTIC PROGRAM
TEST PAD
BOTTOM VIEW
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CP55
CP38
To enter the diagnostic program, proceed as follows;
1: Open the battery cover and turn the power switch on.
2: Short the TEST pads CP38 and CP55.
STEP OPERATION DISPLAY NOTE
Enter the
diagnostics
Press on and then short
the TEST pad.
SELF TEST PROG
PRESS any TOUCH
QUIT BY OFF KEY
CASIO JULY 1995
Main menu Tap anywhere TEST MENU
1 DISPLAY
2 MEMORY
3 TIME
4 BUZZER
DIsplay Check 1 DISPLAY DISPLAY
1 DISPLAY
2 FRAME FREQ.
1 DISPLAY No color, no displa
y
Tap an
y
where Oran
g
e color is displa
y
ed
Tap an
y
where Green color is displa
y
ed
Tap an
y
where Blue color is displa
y
ed
Tap an
y
where Checkers are displa
y
ed
Tap an
y
where Reverse checkers are displa
y
ed
Tap an
y
where Frame is displa
y
ed
Tap an
y
where Dots at the 4 corners are displa
y
ed
Tap an
y
where Vertical 4 colors are displa
y
ed
Tap an
y
where Horizontal 4 colors are displa
y
ed
Tap anywhere TEST MENU
1 DISPLAY
2 MEMORY
3 TIME
4 BUZZER
Memory Check 2 MEMORY MEMORY
1 WRITE 1
2 READ 1
3 WRITE 2
4 READ 2
1 WRITE 1
RAM WRITE 1
Write the test pattern 1 into
RAM
MEMORY
1 WRITE 1
2 READ 1
3 WRITE 2
4 READ 2
After 3 sec.
5 I / F
6 CONTRAST
7 TOUCH
8 RESET
5 I / F
6 CONTRAST
7 TOUCH
8 RESET
5 DUMP
6 CHECKSUM
5 DUMP
6 CHECKSUM