Casio CSF-4450, Руководство по обслуживанию и каталог запасных частей

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S T E P O P E R A T I O N D I S P L A Y N O T E
Memory
Check 2 MEMORY
1 WR 1
2 READ 1
1
RAM WRITE 1
Write the test pattern 1 into RAM
MEMORY
1 WR 1
2 READ 1
After 1 sec.
2
EXECUTING !!
Read the test pattern 1 from RAM
CMPLETE !!
32/64/128 KB
After 1 sec.
Memory
Check OK MEMORY
1 WR 1
2 READ 1
3
RAM WRITE 2
Write the test pattern 2 into RAM
MEMORY
1 WR 1
2 READ 1
After 1 sec.
4
EXECUTING !!
Read the test pattern 2 from RAM
CMPLETE !!
32/64/128 KB
After 1 sec.
OK MEMORY
1 WR 1
2 READ 1
5
XXXX
Wiring check for ROM
Memory
Check OK MEMORY
1 WR 1
2 READ 1
6 CHECK SUM
TY SZ SUM XOR
C5 0 512 XXX XX Check SUM value
Version-
✽
E = 65D6
Version-
✽
F = E146
OK MEMORY
1 WR 1
2 READ 1
ESC TEST
1 DISP
2 MEMORY
3 KEY
3 WR 2
4 READ 2
5 DUMP
6 CHKSUM
3 WR 2
4 READ 2
5 DUMP
6 CHKSUM
3 WR 2
4 READ 2
5 DUMP
6 CHKSUM
3 WR 2
4 READ 2
5 DUMP
6 CHKSUM
3 WR 2
4 READ 2
5 DUMP
6 CHKSUM
3 WR 2
4 READ 2
5 DUMP
6 CHKSUM
3 WR 2
4 READ 2
5 DUMP
6 CHKSUM
4 BUZZER
5 I/F
6 CONT
7 RESET