PC-UM10M
SL-5500 DIAGNOSTICS AND CHECK ITEMS
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5) SERIAL PORT TEST (SOME OF SHARP I/O PORTS (16PIN CONNECTORS))
1. Control line test
Test by Diag
2. Data line test
Test by Diag
Note: When "R" + "D" keys and Full Reset are pushed at the same time, the machine enters the test mode.
Be careful no to touch the keys of PC at that time.
Test jig: Use the following circuit. (Prepare it on each service spot.)
1
Open "DIAG MENU (2/3) ".
2
Connect the following test circuit.
3
Tap "No1 16pin."
Display
=== 16pin Test ===
16pin test Complete
Hit any key to continue
----Status messages----
OK
1
Check that "OK" is indicated.
Test circuit
Test content
Check content
1
Make RTS="H".
Check that CTS="L"
Make DTR="L".
Check that WAKEUP="H"
Check that DSR="H"
2
Make RTS="L".
Check that CTS="H"
Make DTR="L".
Check that WAKEUP="L"
Check that DSR="H"
3
Make RTS="L".
Check that CTS="H"
Make DTR="H".
Check that WAKEUP="L"
Note: Supply this IC power from
VCC-GND of 16in connector.
Check that DSR="L"
ic:74HC14 or 74HC04
4
Make RTS="H".
Check that CTS="L"
Make DTR="H".
Check that WAKEUP="H"
Check that DSR="L"
14 pin
DTR
7 pin
DSR
5 pin
RTS
6 pin
CTS
10 pin
WAKEUP
Test jig:CE-170TS
PC (with RS-232 (9pin) support)
The terminal adapter confirmed by Technical Division is Tera Term (Pro)
(Free software of terminal emulator (communication program) .)
SL5500
PC
1
Connect the CE-170TS, and boot the terminal adapter.
2
Terminal adapter setup
Speed
2400 (bps)
Parity
None
Data length
8bit
Stop bit
1bit
Xon/Xoff
Not used
Shift in/out
Not used
3
Push and hold "R" and "D", and push Full Reset at the same
time.
The PC's display indicates "READY REMOTE CHECK."
4
Enter "RA" in caps.
If entered in small letters, "raNG Command error" is displayed.
5
SL5500 displays as follows:
Alarm Check
Wait 1s
OK
6
The screen displays as:
RAOK
7
Execute Full Reset.
Remove the CE170TS.