— 16 —
7
Wait about 45 ~ 50 seconds.
In case of SF-5590SY,
LCD display
ROM TEST ROM OK
RAM TEST 1 2 8 K OK
In case of SF-5790SY,
ROM TEST ROM OK
LCD display
RAM TEST 1 2 8 K OK
2N D
RAM TEST 1 2 8 K OK
, or
LCD display
ROM TEST ROM OK
RAM TEST 2 5 6 K OK
In case of SF-5990SY,
LCD display
ROM TEST ROM OK
RAM TEST 5 1 2 K OK
●
KEY CHECK
8
Press OK button.
LCD display
KEY TEST
9
Press any button. For example, press TEL button.
LCD display
KEY TEST
TEL
After pressing any button, LCD displays a letter or a number correspond to its button.
Check all keys (buttons) in this way except to OK button.
●
COMMUNICATION CHECK
0
Press OK button.
LCD display
1 COMM 2 ECHO
A
Prepare another unit, then execute the procedure described above (
1
~
0
).
Another unit’s
LCD display
1 COMM 2 ECHO
B
Connect two units using the SB-63 cable as shown by the item 3. DATA COMMUNICATIONS
(page 12) in this manual.
Summary of Contents for SF-5590SY
Page 19: ... 19 6 SCHEMATIC DIAGRAMS 6 1 MAIN PCB ASS Y A342054 1 4 CPU ...
Page 20: ... 20 6 1 MAIN PCB ASS Y A342054 2 4 ...
Page 21: ... 21 6 1 MAIN PCB ASS Y A342054 3 4 ...
Page 22: ... 22 6 1 MAIN PCB ASS Y A342054 4 4 ...
Page 23: ... 23 6 2 KEYBOARD PCB ASS Y A342055 1 3 COM PORT BUZZER ...
Page 24: ... 24 POWER SUPPLY 6 2 KEYBOARD PCB ASS Y A342055 2 3 ...
Page 25: ... 25 6 2 KEYBOARD PCB ASS Y A342055 3 3 ...
Page 33: ...MA0900571A ...