Read Sharp ER-A490 (serv.man4) Service Manual online
II. TEST FUNCTION FOR ER-A5RS
CHAPTER 1. General
This test program, is contained in the ER-A49R1 (option control
ROM), has been developed for the purpose of confirming the opera-
tions of the I/F board check conducted by the ER-A5RS mounted in
the ER-A490.
ROM), has been developed for the purpose of confirming the opera-
tions of the I/F board check conducted by the ER-A5RS mounted in
the ER-A490.
CHAPTER 2. Structure (RS-232 test
& inline test)
& inline test)
1
RS-232 test (RS-232 port test conducted by ER-A5RS
The following structure is required to execute RS-232 test pro-
gram.
The following structure is required to execute RS-232 test pro-
gram.
•
ER-A490
•
ER-A5RS (I/F PWB Unit)
•
Loopback connector for testing (UKOG-6705 RCZZ)
•
ER-A49R1 (option control ROM)
Diagram of the loopback connector
CHAPTER 3. Activation
This test program can be activated by inputting 3-digit number
→
TL with the mode switch in the "SRV" position.
CHAPTER 4. Test Job & Code
1
RS-232 I/F check
JOB & CODE
Contents
500
Channel check
501
RS-232 channel 1 check
502
RS-232 channel 2 check
503
RS-232 channel 3 check
504
RS-232 channel 4 check
505
RS-232 channel 5 check
506
RS-232 channel 6 check
507
RS-232 channel 7 check
CHAPTER 5. Cautions
•
Options should be installed with the power supply turned off.
•
When setting the RS232C channels, avoid setting two or more
ports to the same channel. The ER-A490 allows installation of max.
two units of the ER-A5RS. In this case also, avoid setting two ports
of the ER-A5RS to the same channel. If not, the hardware may be
damaged.
ports to the same channel. The ER-A490 allows installation of max.
two units of the ER-A5RS. In this case also, avoid setting two ports
of the ER-A5RS to the same channel. If not, the hardware may be
damaged.
•
Concerning the inspection items whose display formats are not
presented in this test function, nothing appears on the display
screen. (blank display)
presented in this test function, nothing appears on the display
screen. (blank display)
CHAPTER 6. RS-232 Test
1. Channel check
1
Activation
The program is activated by JOB#500
SRV mode: 500
The program is activated by JOB#500
SRV mode: 500
→
TL
2
Contents to be tested
Information about connected RS-232 channel is printed.
Information about connected RS-232 channel is printed.
Printing
digit
digit
21
20
19
18
17
16
15
3 2 1
CH7 CH6 CH5 CH4 CH3 CH2 CH1
5 0 0
CHn = 0 : Presence of channel
1 : Ansence of channel
3
Confirmed content
Printed contents and the setting of channel changeover switch on
PWB are compared and confirmed.
Printed contents and the setting of channel changeover switch on
PWB are compared and confirmed.
4
Release
The program is terminated after the above contents are printed.
The program is terminated after the above contents are printed.
RS-232 channel setting (SW OFF: 1, SW ON: 0)
*
Refer to the silk print on the I/F board.
ER-A5RS CN2
ER-A5RS CN1
SW1
Channel
SW1
Channel
6
5
4
3
2
1
0
0
0
Invalid
0
0
0
Invalid
0
0
1
Channel 1
0
0
1
Channel 1
0
1
0
Channel 2
0
1
0
Channel 2
0
1
1
Channel 3
0
1
1
Channel 3
1
0
0
Channel 4
1
0
0
Channel 4
1
0
1
Channel 5
1
0
1
Channel 5
1
1
0
Channel 6
1
1
0
Channel 6
1
1
1
Channel 7
1
1
1
Channel 7
ER-A5RS: 2PCS
UKOG-6705RCZZ:
ER-A490
+ ER-A49R1
+ ER-A49R1
1
CD
2
RD
3
TD
4
ER
5
GND
6
DR
7
RS
8
CS
9
CI
2 – 1
Click on the first or last page to see other ER-A490 (serv.man4) service manuals if exist.