Operation Check - Casio JD-5500 Service Manual

8. OPERATION CHECK

Note: (1) Please save all data stored in the unit to another unit by using the method described in
section 9 before starting this check program, because the data will be corrupted by this
operation.
(2) The TEST operation procedure shown below is defined as the short-circuit operation
metioned in section 9.
STEP OPERATION
Reset
1
2 EXE
TEST
3
EXE
4
0
5
6 1
7 EXE
EXE
8
9 2
10 EXE
11 EXE
12 EXE
13 EXE
EXE
14
3
15
MENU MAGIC BEAM
EDIT ....... M
16
DISPLAY
Reset?
Y N
MENU 1
Cauti To Escape
on ! Press AC KEY
TEST
0.TES To Escape
1.SVC Press AC KEY
1.MEM 4.OPT(ZX806)
2.DSP 5.RESET
3.KEY
8K RAM OK!
ROM OK!
1.MEM 4.OPT(ZX806)
2.DSP 5.RESET
3.KEY
All dots are displayed
No display
Checkers are displayed
Reverse checkers are displayed
Frame is displayed
1.MEM 4.OPT(ZX806)
2.DSP 5.RESET
3.KEY
MENU
MAGIC BEAM, EDIT, ...
..., M, SPACE
— 18 —
NOTE
Check buzzer
Check RAM
Check ROM
Check display
Check display
Check display
Check display
Check display
Check key.
Push the key sequen-
tially that appears on
the display.
Check key