Sharp ER-A411 / ER-A421 (serv.man3) Service Manual ▷ View online
DIAGNOSTIC
6-5
9.
Last pattern display
In case of results is OK
<Result
print>
In case of results is NG
<Result
print>
3-6) A/D
Displayed the A/D input value per 1sec.
Pushed [TL/NS] key, the test is finished with printing the result.
Pushed [TL/NS] key, the test is finished with printing the result.
<TEST RESULT>
HT1： HEAD TEMPERATURE 1 1.10～2.80V
HT2： HEAD TEMPERATURE 2 1.10～2.80V
HV： HEAD
HT1： HEAD TEMPERATURE 1 1.10～2.80V
HT2： HEAD TEMPERATURE 2 1.10～2.80V
HV： HEAD
VOLTAGE1 7.72～9.30V
BAT： BACKUP BATTERY VOLTAGE 3.20～4.20V
During the test, following display is shown;
<LCD MAIN Display>
<LCD MAIN Display>
Pushed [TL/NS] key, the test is finished with printing
the following result;
<Result print>
the following result;
<Result print>
3-7) CLOCK
Displayed the date and time which is read from RTC-chip.
In this test mode, Pushed [0] key, the RTC (day, month, year,
hour, min and sec) is cleared. (00/00/00 00:00:00)
In this test mode, Pushed [0] key, the RTC (day, month, year,
hour, min and sec) is cleared. (00/00/00 00:00:00)
XX/XX/XX dd / mm / yy (Day / Month / Year)
XX:XX:XX HH/MM/Sec (Hour : Minutes : Second)
XX:XX:XX HH/MM/Sec (Hour : Minutes : Second)
<LCD Display>
Check the result and then;
Pushed [TL/NS] key: the test is finished as OK status. Pushed
other than [TL/NS] key: the test is finished as NG status.
Pushed [TL/NS] key: the test is finished as OK status. Pushed
other than [TL/NS] key: the test is finished as NG status.
In case of results is OK
<Result print>
In case of results is NG
<Result print>
A/D
HT1 X.XXV,HT2 X.XXV
HV X,XXV,BAT X.XXV
TL KEY:EXIT
HT1 X.XXV,HT2 X.XXV
HV X,XXV,BAT X.XXV
TL KEY:EXIT
A/D
HT1 X.XXV
HT2 X.XXV
HV X.XXV
BAT X.XXV
HT1 X.XXV
HT2 X.XXV
HV X.XXV
BAT X.XXV
CLOCK NG
XX/XX/XX (dd/mm/yy)
XX:XX:XX
XX:XX:XX
CLOCK
XX
/XX/XX (dd/mm/yy)
XX:XX:XX
TL:OK,OTHER:NG
TL:OK,OTHER:NG
PATTERN DISPLAY NG
PATTERN DISPLAY
TL:OK,OTHER:NG
TL:OK,OTHER:NG
CLOCK OK
XX/XX/XX (dd/mm/yy)
XX:XX:XX
XX:XX:XX
PATTERN DISPLAY OK
DIAGNOSTIC
6-6
3-8) DRAWER
To open a selected channel drawer.
The channel what highlighted can be selected by [↑] or [↓] key.
In case of “CH1”is selected, open the drawer-CH1 when pushed
[TL/NS] key.
In case of “EXIT” is selected and then;
The channel what highlighted can be selected by [↑] or [↓] key.
In case of “CH1”is selected, open the drawer-CH1 when pushed
[TL/NS] key.
In case of “EXIT” is selected and then;
Pushed [TL/NS] key: the test is finished as OK status.
Pushed other than [TL/NS] key, [↑] or [↓] key:
Pushed other than [TL/NS] key, [↑] or [↓] key:
the test is finished as NG status.
<LCD Display>
In case of results is OK
<Result print>
In case of results is NG
<Result print>
3-9) RS232C
To execute the RS232 (CH1 - CH4) loop back test.
The channel ports on back side of machine.
The channel ports on back side of machine.
“NORMAL”: For normal RS232C loop back test. (CH1 –CH4)
“5V SUPPLY”: For RS232C with 5V supply loop back test.
When use “5V SUPPLY” mode, change the SP2 on main-PWB
position to “5V supply”.
<LCD Display>
<LCD display (CH1)>
<LCD display (CH2)>
<LCD display (CH3)>
<LCD display (CH4)>
3-9-1) NORMAL (CH2, CH3 and CH4)
Control signal check
Output
Input
DTRn
RTSn
DSRn
RIn DCDn
CTSn
OFF
OFF
OFF OFF OFF OFF
OFF
ON OFF OFF ON ON
ON OFF
ON ON OFF OFF
ON ON ON ON ON ON
ON: ACTIVE LOW / OFF: HIGH
The above inputs are executed READ CHECK, and interruption
CHECK for CTS, RI and DCD.
READ CHECK switches DTR and RTS in the above-mentioned
order, and checks the logic of DSR, RI, DCD, and CTS. An
ERROR is displayed, in case of the logic is differs from in the
above-mentioned table.
DRAWER SENSOR:CLOSE
TL:OK,OTHER:NG
TL:OK,OTHER:NG
DRAWER CH1 NG OPEN
RS232C
CH1
CH2
CH3
CH4
EXIT
CH3
CH4
EXIT
RS232C CH1
NORMAL
5V SUPPLY
EXIT
EXIT
DRAWER CH1 OK CLOSE
RS232C CH2
NORMAL
EXIT
RS232C CH3
NORMAL
EXIT
RS232C CH4
NORMAL
EXIT
DIAGNOSTIC
6-7
DATA transaction CHECK
The 256-Bytes data (00H – 0FFH) of LOOP BACK DATA are
transferred as check data. The BAUDRATE setting is 38.4kbps.
transferred as check data. The BAUDRATE setting is 38.4kbps.
In case of results is OK
<LCD Display>
<LCD Display>
<Printing Result>
In case of results is NG: displayed ERROR
<LCD Display>
<LCD Display>
<Printing Result>
<Error number table>
3-9-2) 5V SUPPLY (CH1)
NOTE: Change the SP2 on main-PWB position to “5V supply”
Control signal CHECK
Output
Input
DTRn
RTSn
DSRn
DCDn
CTSn
OFF OFF OFF OFF OFF
OFF ON OFF ON ON
OFF ON OFF ON ON
ON OFF ON OFF OFF
ON ON ON ON ON
ON ON ON ON ON
ON: ACTIVE LOW / OFF: HIGH
The above inputs are executed READ CHECK, and interruption
CHECK for CTS, and DCD.READ CHECK switches DTR and
RTS in the above-mentioned order, and checks the logic of DSR,
DCD, and CTS. An ERROR is displayed, in case of the logic is
differs from in the above-mentioned table.
CHECK for CTS, and DCD.READ CHECK switches DTR and
RTS in the above-mentioned order, and checks the logic of DSR,
DCD, and CTS. An ERROR is displayed, in case of the logic is
differs from in the above-mentioned table.
DATA transaction CHECK
The 256-Bytes data (00H – 0FFH) of LOOP BACK DATA are
transferred as check data. The BAUDRATE setting is 38.4kbps.
transferred as check data. The BAUDRATE setting is 38.4kbps.
In case of result of signal check is OK
<LCD Display>
<LCD Display>
Check the LED turning on;
-
The LED is turning on: push the [TL/NS] key, test is
finished as OK status.
finished as OK status.
-
The LED is NOT turning on: push the other than
[TL/NS] key, test is finished with NG status.
[TL/NS] key, test is finished with NG status.
<Result Print> (SIGNAL CHEK: OK, LED ON)
<Result Print> (SIGNAL CHEK: OK, LED OFF)
In case of result of signal check is NG
<LCD Display>
<LCD Display>
<Result print>
<ERROR Number>
NO.
ERROR
1
DTR-DSR
2
RTS-DCD
3
RTS-CTS
4
DCD INT
NO.
ERROR
1 DTR-DSR
2 DTR-RI
3
RTS-DCD
4 RTS-CTS
RS232C CH1 NG---ERROR NO.
RS232 CH1
NG
DTR-DSR
DTR-RI
RTS-DCD
RTS-CTS
NG
DTR-DSR
DTR-RI
RTS-DCD
RTS-CTS
RS232 CH1
SIGNAL CHECK:NG
DTR-DSR
RTS-DCD
RTS-CTS
SIGNAL CHECK:NG
DTR-DSR
RTS-DCD
RTS-CTS
RS232 CH1
SIGNAL CHECK:OK
LED ON?
TL:ON,OTHER:OFF
SIGNAL CHECK:OK
LED ON?
TL:ON,OTHER:OFF
RS232C CH1 NG---ERROR NO.
RS232 CH1
OK
OK
RS232C CH1 OK
RS232C CH1 5V NG
RS232C CH1 5V OK
DIAGNOSTIC
6-8
3-10) PRINTER
To execute the following display and printing.
Check the print result and auto cutter cut the paper on receipt
side.
Check the print result and auto cutter cut the paper on receipt
side.
<LCD Display: after test print>
<Results print>
Check the result and then;
Pushed [TL/NS] key: the test is finished as OK status.
Pushed other than [TL/NS] key: the test is finished as NG status.
Pushed other than [TL/NS] key: the test is finished as NG status.
3-11) ROM
The ROM version is checked (the checksum: 000000h -
3FFFFFh are correct).
(The result is judged as OK, if the checksum last 2digits is “10”)
3FFFFFh are correct).
(The result is judged as OK, if the checksum last 2digits is “10”)
Check the result and pushed [TL (CA/AT/NS) KEY] key, the test is
finished.
In case of result is OK;
<LCD Display>
<Result printing>
<Result printing>
In case of result is NG;
<LCD Display>
<Result Print>
3-12) RAM
Carried write and verify out to all area on RAM.
The data are written in each address as follows;
The data are written in each address as follows;
<Address>
<Wrote data>
C00000h - C0FFFFh 55h write/ verify
C00000h - C0FFFFh AAh write/ verify
C10000h - C1FFFFh
C00000h - C0FFFFh AAh write/ verify
C10000h - C1FFFFh
55h write/ verify
C10000h - C1FFFFh
AAh write/ verify
| |
CF0000h - CFFFFFh 55h write/ verify
CF0000h - CFFFFFh AAh write/ verify
CF0000h - CFFFFFh AAh write/ verify
Check the test result what displayed and printed, then test is
finished pushed [TL/NS] KEY.
finished pushed [TL/NS] KEY.
In case of test result is OK;
<LCD Display>
<LCD Display>
<Result
print>
In case of test result is NG;
<LCD Display>
<LCD Display>
<Result Print>
RAM WRITE&VERIFY
OK
TL KEY:EXIT
OK
TL KEY:EXIT
RAM NG
ROM
ROM Ver. xxxx
FPGA Ver xx yy
ROM Checksum xxxx NG
TL KEY:EXIT
ROM Ver. xxxx
FPGA Ver xx yy
ROM Checksum xxxx NG
TL KEY:EXIT
ROM Version & CHECKSUM
ROM Version xxxx
FPGA Version xx xx
Checksum xxxx NG
ROM Version xxxx
FPGA Version xx xx
Checksum xxxx NG
RAM WRITE&VERIFY
NG
TL KEY:EXIT
NG
TL KEY:EXIT
ROM
ROM Ver. xxxx
FPGA Ver xx yy
ROM Checksum xx10 OK
TL KEY:EXIT
ROM Ver. xxxx
FPGA Ver xx yy
ROM Checksum xx10 OK
TL KEY:EXIT
ROM Version & CHECKSUM
ROM Version xxxx
FPGA Version xx xx
Checksum xx10 OK
ROM Version xxxx
FPGA Version xx xx
Checksum xx10 OK
PRINTER
TL:OK,OTHER:NG
TL:OK,OTHER:NG
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All columns “/”
x 6lines
RAM OK
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