—
30
—
Operation
Display
Note
(After a few seconds)
MEMORY
3 WR2
4 READ2
1
WR1
5 DUMP
2
READ1
6 CHKSUM
EXECUTING!!
2
( or 4 )
COMPLETE!!
64KB
DATA ERROR!!
ADDRESS
CORR
RAM
XXXX
XX
XX
RAM error
If the displayed address
is within 0000-7FFF,
check LSI3.
If the displayed address
is within 8000-FFFF,
check LSI2.
MEMORY
3 WR2
4 READ2
1
WR1
5 DUMP
2
READ1
6 CHKSUM
6
ESC
TEST
2 MEMORY
MENU
3 KEY
4 BUZZER
1
DISP
5 I/F
MEMORY
3 WR2
4 READ2
1
WR1
5 DUMP
2
READ1
6 CHKSUM
MEMORY
3 WR2
4 READ2
1
WR1
5 DUMP
2
READ1
6 CHKSUM
$ 00001,00002,00004,00008,00010,
00020,00040,00080,00100,00200,
00400,00800,01000,02000,04000,
08000,10000
Check sum and XOR
of ROM (LSI4) is dis-
played.
Address of ROM (LSI4)
is display.
Normal
ESC
5
ESC
ESC
TY
SZ
SUM
XOR
FE 0
128
E290
XXX
C3 A
64 XXXX
XXX
Summary of Contents for LX-551AQ
Page 1: ...R SF 5300E LX 551AQ JAN 1995 with price SF 5300E...
Page 3: ...1 1 SCHEMATIC DIAGRAM 1 1 MAIN PCB...
Page 4: ...2 1 2 KEY MATRIX 1...
Page 37: ...MA0200651A...
