printer i/f pwb removal sio i/f pwb removal power unit removal

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PRINTER I/F PWB REMOVAL
■
1) Remove the flat cable from the printer I/F PWB.
POWER UNIT REMOVAL
1) Remove the option angle.
3 Refer to page 24, “ SIO I/F PWB REMOVAL.”
2) Remove the screw, and remove the POP cover.
Screw
POP cover
Flat cable
Screw
2) Remove the screw. Disengage the pawl, and remove the printer I/F
PWB.
Screw
3) Disconnect the connector from the main PWB.
Printer I/F PWB
Connector
Pawl
■
SIO I/F PWB REMOVAL
1) Remove the flat cable from the SIO I/F PWB. Remove the screw,
and remove the option angle.
4) Remove the screw, and remove the power unit.
Power unit
Screw
Flat cable
Screw
Option angle
2) Remove the hex screw, and remove the SIO I/F PWB.
Screw
SIO I/F PWB
Hex screw
XE-A207/A217/A307
MAINTENANCE, DISASSEMBLY AND ASSEMBLY
– 24 –
Screw
4-5. DRAWER UNIT
■
4) Remove the screw, and remove the drawer bottom plate.
Caution: Be careful not to catch the connector of the drawer solenoid
harness by the hole in the drawer cabinet.
DRAWER SOLENOID REMOVAL
1) Release the lock on the bottom surface of the drawer unit, and open
the drawer.
Screw
Screw
Caution:
Screw
• When the lock is released, the money case extends out. Be careful.
Drawer bottom
plate
• If the drawer is locked with the drawer key, it will not open. Use the
drawer key to open the drawer.
Screw
Lock
5) Remove the screw, and remove the drawer solenoid.
Drawer
Caution: When assembling, be sure to engage the drawer solenoid
plunger with the lock.
Drawer solenoid
2) Pull out the drawer, and lift it to remove from the drawer cabinet.
Drawer
Screw
Plunger
Lock
3) Remove the screw from the drawer cabinet, and remove the wire
holder.
Wire holder
Screw
XE-A207/A217/A307
MAINTENANCE, DISASSEMBLY AND ASSEMBLY
– 25 –
CHAPTER 5. HARDWARE DESCRIPTION
1. HARDWARE SPECIFICATION OUTLINE
Item
Specification
CPU
16bit MPU H8S/2373 (Manufacturer: RENESAS) *33MHz
PRINTER
XE-A207/A217: Line thermal printer 384 dots/ 58mm wide x1 pc
XE-A307: Line thermal printer 384 dots/ 58mm wide x2 pcs
SRAM
4Mbit (Manufacturer: RENESAS)
ROM
DISPLAY
KEY
For programs
16Mbit Flash-ROM (Manufacturer: MACRONIX)
For data
16Mbit Flash-ROM (Manufacturer: MACRONIX)
Main
STN LCD 160x64 dots (Manufacturer: GOWORLD) Screen size
(V.A) 85.00mm (H) x 40.00mm (V)
(A.A) 81.585mm (H) x 36.785mm (V)
Customer
7seg LED x 7 digits
7seg LED x 10 digits (For Singapore)
Normal KEY
XE-A207/A307: MAX 66
Flat KEY
XE-A217: MAX 119
Mode S/W
I/F
N/A
USB
N/A
SD
1slot
Drawer
1port
RS232
1port [D-Sub x1]
* Standard Drawer to be connected
EFT
BUZZER
POWER SUPPLY
BATTERY
DRAWER
N/A
PIEZO BUZZER
POWER TRANS
Back Up
Size AA battery x 2pcs
(Recommended: Toshiba, Hitachi Maxell, Panasonic)
Standard
XE-A207/A217/A307
HARDWARE DESCRIPTION
– 26 –
2. BLOCK DIAGRAM
33MHz
H8S/2373
RAM 16KByte
ROM LESS
#RESET
#RES
#POFF
#IRQ15
BUFFER
74LV125A
SIO 2
LCD DRIVER
SIO 3
3.3VB
#IRQ14
SD CARD
P82
RTC
SIO 0
SIO 4
RS232 DRIVER
ICL3243ECA
RS232
D-SUB9
SINK DRIVER
DRAWER
32.768kHz
PG4
P46䌾P45
DATA BUS
SIO 1
ADDRESS BUS
P6䌾36P0
4P1䌾61P*
P1䌾31P0
P97䌾P90
P47,P46
PH3
PRINTER UNIT
3.3VB
D15䌾D0 (16bit width)
SRAM 4Mbit
#CS4 space
(H'800000䌾H'8FFFFF)
MOTOR DRIVER
LV8711T
3.3VB
#CS4
#RESET
D15䌾D0 (16bit width)
PRINTER UNIT
FROM 16Mbit
#CS0 space
(H'000000䌾H'1FFFFF)
XE-A307 only
#CS0
D15䌾D0 (16bit width)
MOTOR
DRIVER
LV8711T
FROM 16Mbit
#CS1 space
(H'200000䌾H'3FFFFF)
#CS1
D6䌾D0 (16bit width)
6bit D F/F
74LV174A
#CS2 space
(H'400000)
6bit D F/F
74LV174A
#CS5 space
(H'A00000)
XE-A307 only
D15䌾D8 (8bit width)
PROM 8Mbit
#CS2 space
(H'400000䌾H'4FFFFF)
#CS2
#CS2
D5䌾D0 (16bit width)
KEY RETURN
(10bit width)
D7䌾D0 (16bit width)
8bit OCTAL BUFFERS
74LV244A x1
#CS5 space
(H'A00000)
#CS5
#CS5
XE-A307 only
D7䌾D0 (16bit width)
8bit D F/F
74HCT374
#CS6 space
(H'C00000)
Each kind sensor input
#CS6
P63䌾60 (4bit width)
3toLINE DECORDERS
74HCT138 x2
SINK DRIVER
XE-A207/A217/A307
HARDWARE DESCRIPTION
– 27 –
KEY STROBE
(max 13bit width)
3. HARDWARE CONFIGURATION DIAGRAM
SIO PWB UNIT
BATTERY
DRAWER
POWER TRANS
PRINTER UNIT
XE-A307 only
PRINTER UNIT
MAIN PWB UNIT
SD CARD
SLOT
LCD UNIT
KEY BOARD UNIT
KEY I/F PWB UNIT
XE-A207/A217/A307
LED PWB UNIT
HARDWARE DESCRIPTION
– 28 –
4. SIGNAL CONNECTION DIAGRAM
Pin assign
Connection between the Host (PC) and the Terminal (ECR)
9PIN D-SUB
PC side
9PIN D-SUB
ECR side
Pin No.
Signal Name
1
CD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9 (*)
RI/+5V
* Default Setting
XE-A207/A217: RI (SP3: 2pin - 3pin)
XE-A307: +5V (SP3: 1pin - 2pin)
Setting of SP3
SD
Transmitted Data
RD
Received Data
DTR (ER)
Data Terminal Ready
DSR (DR)
Data Set Ready
RTS (RS)
Request To Send
DCD (CD)
Data Carrier Detector
CTS (CS)
Clear To Send
FG
Frame Ground
Note: If the connector of the Host PC is “9 PIN D-SUB,” the PIN number is the same as that of the ECR.
5. SETTING OF RS232 PORT
The signal of 9-pin for RS232 port can be changed to “RI” or “+5V” by
positioning the short pin of “SP3” on the main PWB.
However the factory-shipped location of the short pin varies depending
on the models.
SP3
Specifications of RS232 port
Usage: For Standard RS232 port
Connector: D-SUB 9pin
Signal
Data rate: max. 38,400 bps.
䃂䇭
Power Supply: 5V/400mA (*)
3
RI
䃂䇭
2
䃂䇭
1
+5V
SP3
XE-A207/A217/A307
HARDWARE DESCRIPTION
– 29 –
Setting of SP3
RI
2pin, 3pin
+5V
1pin, 2pin
CHAPTER 6. DIAGNOSTIC PROGRAM DESCRIPTION
By selecting SERVICE from the DIAG MENU, the following screen is
displayed in the LCD.
9) Set mode pass code and push [TL/NS] key.
SERVICE DIAG MENU
SERVICE
KEY
LED&BZ
LCD
A/D
ROM
RAM
CLOCK
DIAG
SENSOR
SD CARD
DRAWER
RS232C
PRINTER
10) Set manager pass code and push [TL/NS] key.
The selected item is highlighted in the displayed menu.
You can change the selected item by using the [ 2 ] / [ 4 ] key, and
press the [TL/NS] key to execute the selected item.
11) Set logo message and push [TL/NS] key.
1. DIAGNOSTIC PROGRAM
START PROCEDURES
1) Check to see that the SD card is in place.
2) Set the paper roll.
3) Check to see that the AA batteries are set.
12) REG mode screen is displayed.
Push the [MODE] key.
4) Set the RS232C loopback connecter.
5) Plug the AC cord to the outlet while holding down the [RECEIPT]
key and [CL] key.
6) Language selection menu is displayed. Push the corresponding
number key.
13) Enter “99999999,” confirm that the screen displays as below, and
then press the [TL/NS] key.
7) Set current date/time and push [TL/NS] key.
14) The following screen is displayed in the LCD.
8) Set tax rate and push [TL/NS] key.
XE-A207/A217/A307
DIAGNOSTIC PROGRAM DESCRIPTION
– 30 –
15) Make “4. DIAGNOSTIC” highlighted with the [ 2 ] key or [ 4 ] key,
and press the [TL/NS] key.
3. SENSOR
SENSOR: This inspects the sensor circuit of the printer.
Result of detecting whether the printer paper is available.
(YES: Paper available, NO: No paper)
1) Check the status of SENSOR.
(The status of SENSOR is displayed in real time at an interval of 1
second.)
2) Press the [TL/NS] key to end the test.
16) The following screen is displayed in the LCD.
LCD display
XE-A207/A217(when PPR1 is NO.)
PASSWORD? ____
SENSOR
PPR1:NO
17) Enter “907 · .”
18) The following screen is displayed in the LCD.
DIAG MENU
SERVICE
XE-A307 (when PPR1,PPR2 are NO.)
SENSOR
PPR1:NO
PPR2:NO
19) Confirm that “SERVICE” is highlighted, and press the [TL/NS] key.
2. KEY
Printout
XE-A207/A217(when PPR1 is NO.)
SENSOR
PAPER1 NO
1) Press any key other than the [RECEIPT] and [TL/NS] key.
2) Press the [TL/NS] key at the end.
If you make a wrong operation, press the [CL] key three times to start
over from the beginning.
After the test result is displayed and printed out, press the [TL/NS] key
again to go back to the previous screen.
XE-A307(when PPR1,PPR2 are NO.)
SENSOR
PAPER1 NO
PAPER2 NO
S1: SUM1
LCD display
XE-A207/A217(when PPR1 is YES.)
S2: SUM2
LCD display (when the test result is NG.)
KEY NORMAL
KEY CORD:XXX
S1:XXXX S2=YYYY
NG
SENSOR
PPR1:YES
Specified SUM
XE-A307(when PPR1,PPR2 are YES.)
Current SUM
(It changes each time the key is pressed.)
Test Result
SENSOR
PPR1:YES
PPR2:YES
Printout (when the test result is NG.)
KEY XXXX-YYYY - NG
Printout
XE-A207/A217(when PPR1 is YES.)
SENSOR
PAPER1 YES
LCD display (when the test result is OK.)
KEY NORMAL
KEY CORD:XXX
S1:XXXX S2=YYYY
OK
XE-A307(when PPR1,PPR2 are YES.)
SENSOR
PAPER1 YES
PAPER2 YES
Printout(when the test result is OK.)
KEY XXXX-YYYY - OK
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
CHECK SUM:
1509(XE-A207)
37BF(XE-A217)
15A2 (XE-A307)
XE-A207/A217/A307
DIAGNOSTIC PROGRAM DESCRIPTION
– 31 –
4. SD CARD
• Sift display
This detects the SD card, and displays the status of Write Protect in real
time. Also, it displays the CID register of the SD card.
The segments light up in the following pattern. The unit makes a short
beep every time the [TL/NS] key is pressed, and it goes on to the next
pattern.
All the segments light up at the end, and it keep beeping.
Press the [TL/NS] key to end the test.
By pressing the [TL/NS] key, this test ends with OK.
CD: CARD DETECT
By pressing any key other than the [TL/NS] key, this test ends with the
result of NG.
WP: WRITE PROTECT
LCD displayȪCDȇNO, WPȇNOȫ
SD CARD
CD: NO , WP: NO
CID:XXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXX
PrintoutȪCDȇNO, WPȇNOȫ
SD CARD
CD:NO ,WP:NO
CID:XXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXX
The rest is omitted.
LCD displayȪCDȇYES, WPȇYESȫ
SD CARD
CD: YES , WP: YES
CID:XXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXX
The rest is omitted.
PrintoutȪCDȇYES, WPȇYESȫ
SD CARD
CD:YES ,WP:YES
CID:XXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXX
"A" is displayed
instead of "10."
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
Printout (when the test result is NG.)
5. LED & BUZZER
LED
NG
Printout (when the test result is OK.)
This tests the LED display and Buzzer.
LED
LCD display
LED &BUZZER
TL:OK,OTHER:NG
OK
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
LED display
The following display modes are repeated.
• Segment display
The segments light up in the following pattern. The unit makes a short
beep every time the [TL/NS] key is pressed, and it goes on to the next
pattern.
The rest of the illustrations are omitted.
XE-A207/A217/A307
DIAGNOSTIC PROGRAM DESCRIPTION
– 32 –
6. LCD
6-2. PATTERN DISPLAY
The following screen is displayed. The menu items can be selected in
the same way as other menus.
By selecting “EXIT,” it goes back to the Main Menu.
LCD screen
LCD
BACK LIGHT&CONTRAST
PATTERN DISPLAY
EXIT
1) The following patterns are displayed.
2) By pressing a key, it goes on to the next pattern.
3) By pressing the [TL/NS] key at the last screen, this test ends with
OK.
By pressing any key other than the [TL/NS] key, this test ends with
the result of NG.
LCD screen
Full white
6-1. CONTRAST
Box display- one black dot of outer frame
Among the displayed menu items, the selected item is displayed in
reversed characters.
1) Change the selected item by using the [ 2 ] / [ 4 ] key.
2) By pressing the [TL/NS] key, execute the selected item.
If the [CL] key is pressed during the execution of the test, you can
exit the test and select a test item.
Full black
By selecting “1 BACK LIGHT” and then pressing the [TL/NS] key,
the back light can be turned ON/OFF.
By selecting “2 CONTRAST” and using the [ 2 ] / [ 4 ] key, the contrast value can be changed within the range of 0 to 63 (0x00 to
0x3F).
H pattern
********************
********************
********************
********************
3) By selecting “EXIT” and pressing the [TL/NS] key, this test ends with
OK.
Reversed H pattern
By pressing any key other than the [TL/NS] key, [ 2 ] or [ 4 ]key,
this test ends with NG.
********************
********************
********************
********************
LCD screen when finish
BACK LIGHT&CONTRAST
1 BACK LIGHT
2 CONTRAST XX
EXIT(TL:OK)
Grid pattern
Printout (when the test result is NG.)
Grid 1 pattern
BACK LIGHT&CONTRAST NG
Printout (when the test result is OK.)
BACK LIGHT&CONTRAST OK
Grid 2 pattern (Reversed display of Grid pattern 1)
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
Termination screen
PATTERN DISPLAY
TL:OK,OTHER:NG
Printout (when the test result is NG.)
PATTERN DISPLAY NG
Printout (when the test result is OK.)
PATTERN DISPLAY OK
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
XE-A207/A217/A307
DIAGNOSTIC PROGRAM DESCRIPTION
– 33 –
7. A/D
8. CLOCK
The status of A/D input is displayed in real time at an interval of 1 second.
If the values of HT1, HV and BBAT are within the range shown below, it
prints out with OK.
The date and time are read out from the real time clock (RTC).
The date and time are displayed and printed out.
By pressing the [TL/NS] key, this test ends with OK.
By pressing any key other than the [TL/NS] key, this test ends with NG.
By pressing the [0] key, all the values of day, month, year, hour, minute
and second are reset.
HT1: HEAD TEMPERATURE 1 1.10 ~ 2.50V
HV: HEAD VOLTAGE1 8.25 ~ 8.75V
LCD display
BBAT: BACKUP BATTERY VOLTAGE 2.00 ~ 3.40V
CLOCK
XX/XX/XX (dd/mm/yy)
XX:XX:XX
TL:OK,OTHER:NG
By pressing the [TL/NS] key, this test exits.
LCD display
XE-A207/A217
A/D
HT1 X.XXV
HV X.XXV,BBAT X.XXV
TL KEY:EXIT
(day / month / year)
(hour / minute / second)
Printout (when the test result is NG.)
CLOCK NG
XX/XX/XX (dd/mm/yy)
XX:XX:XX
XE-A307
A/D
HT1 X.XXV,HT2 X.XXV
HV X.XXV,BBAT X.XXV
TL KEY:EXIT
Printout (when the test result is OK.)
CLOCK OK
XX/XX/XX (dd/mm/yy)
XX:XX:XX
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
Printout (when the test result is NG.)
XE-A207/A217
A/D NG
HT1 X.XXV
HV X.XXV
BBAT X.XXV
9. DRAWER
XE-A307
This test opens the Drawer.
A/D NG
HT1 X.XXV
HT2 X.XXV
HV X.XXV
BBAT X.XXV
1) Change the selected item, which is displayed in reversed characters, with the [ 2 ] / [ 4 ] key.
2) When “CH1” is selected, the drawer CH1 opens by pressing the
[TL/NS] key.
When “EXIT” is selected, the test operator should press either key
according to the test result of OK or NG.
Printout (when the test result is OK.)
XE-A207/A217
A/D OK
HT1 X.XXV
HV X.XXV
BBAT X.XXV
3) By pressing the [TL/NS] key, this test ends with OK.
By pressing any key other than the[TL/NS] key, [ 2 ] / [ 4 ] key, this
test ends with NG.
4) This test terminates by selecting “EXIT.”
LCD screen
DRAWER
CH1
EXIT
TL:OK,OTHER:NG
XE-A307
A/D OK
HT1 X.XXV
HT2 X.XXV
HV X.XXV
BBAT X.XXV
Printout (when the test result is NG.)
DRAWER CH1 NG
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
Printout (when the test result is OK.)
DRAWER CH1 OK
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
XE-A207/A217/A307
DIAGNOSTIC PROGRAM DESCRIPTION
– 34 –
10. RS232C
10-1. NORMAL
The RS232C loopback test is performed.
(1) Test Items
1) Connect the DSUB9pin loopback connector.
<Check of Control Signals>
2) Select the test item with the [ 2 ] / [ 4 ] key.
3) Select “NORMAL.”
Output
4) Conduct the test by pressing the [TL/NS] key.
5) Select “EXIT” to end the test.
LCD display
RS232C
CH1
EXIT
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
It performs the Read and Check of the above input.
LCD display
<Check of Data Transfer>
RS232C CH1
NORMAL
5V SUPPLY
EXIT
The transfer of 256 bytes loop back data of 00H to 0FFH is conducted.
LCD display (when the test result is NG.)
RS232 CH1
NG
DTR-DSR,DTR-RI,
RTS-DCD,RTS-CTS
• Below is shown the connection diagram of the loopback connector to
be used for RS232C check.
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
LCD display (when the test result is OK.)
RS232 CH1
OK
A found error is displayed.
Press the [TL/NS] key to end the test.
FG
FG
1
2
3
4
5
6
7
8
9
No.
Display
1
DTR-DSR
2
DTR-RI
3
RTS-DCD
4
RTS-CTS
5
RI INT
6
DCD INT
7
CTS INT
8
TXEMP
9
TXEMP INT
10
TXRDY
11
TXRDY INT
12
RCVRDY
13
RCVRDY INT
14
SD-RD(DATA)
15
SD-RD(FRAME)
Printout (when the test result is NG.)
RS232C CH1 NG---ERROR NO.
Printout (when the test result is OK.)
RS232C CH1 OK
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
XE-A207/A217/A307
DIAGNOSTIC PROGRAM DESCRIPTION
– 35 –
10-2. 5V SUPPLY
Caution:
• To have printout of test results, as XE-A307 has 2 sheets for the
printer, be sure to use both printers to print it out.
(1) Test Items
• When conducting the PWB inspection for XE-A307V, swith SP3 of the
PWB to 5V power supply.
<Check of Control Signals>
Output
Input
DTRn
RTSn
DSRn
DCDn
CTSn
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
ON
ON
OFF
ON
OFF
OFF
ON
ON
ON
ON
ON
11. PRINTER
The unit displays and prints out as shown below.
By pressing the [TL/NS] key, this test ends with OK.
By pressing any key other than the [TL/NS] key, the test ends with NG.
It performs the Read and Check of the above input.
<Check of Data Transfer>
LCD screen
The transfer of 256 bytes loop back data of 00H to 0FFH is conducted.
PRINTER
LCD display (when the test result is NG.)
TL:OK,OTHER:NG
RS232 CH1
SIGNAL CHECK:NG
DTR-DSR,RTS-DCD
RTS-CTS
Printout
/////////// ------- //////////
/////////// ------- //////////
/////////// ------- //////////
Print 30 columns and 6 lines of "/."
A found error is displayed.
Press the [TL/NS] key to end the test.
LCD display (when the test result is OK.)
RS232 CH1
SIGNAL CHECK:OK
LED ON?
TL:ON, OTHER:OFF
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
When LED turns on, the test operator should press either key according
to the test result of ON or OFF.
By pressing the [TL/NS] key, this test ends with OK.
No.
12. ROM
Display
1
DTR-DSR
2
RTS-DCD
3
RTS-CTS
4
DCD INT
5
CTS INT
6
TXEMP
7
TXEMP INT
8
TXRDY
9
TXRDY INT
10
RCVRDY
11
RCVRDY INT
12
SD-RD(DATA)
13
SD-RD(FRAME)
Check whether the checksum of 000000h to 1FFFFFh is correct.
By pressing the [TL/NS] key, this ends.
LCD display (when the test result is NG.)
ROM
Version xxxx
Checksum xxxx NG
TL KEY:EXIT
Printout (when the test result is NG.)
ROM Version & CHECKSUM
Version
xxxx
Checksum xxxx NG
LCD display (when the test result is NG.)
ROM
Version xxxx
Checksum xxxx OK
TL KEY:EXIT
Printout (when SIGNAL CHECK is NG.)
RS232C‫ޓ‬CH1 NG---ERROR NO.
Printout (when the test result is OK.)
Printout (when SIGNAL CHECK is OK, LED is OFF.)
ROM Version & CHECKSUM
Version
xxxx
Checksum xxxx OK
RS232C‫ޓ‬CH1 NG
Printout (when SIGNAL CHECK is OK, LED is ON.)
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
RS232C‫ޓ‬CH1 OK
XE-A207/A217/A307
DIAGNOSTIC PROGRAM DESCRIPTION
– 36 –
13. RAM
The Write & Verify of the whole RAM area is conducted.
Change the written data for each address as shown below.
Address
Written data
800000hȡ80FFFFh
55h write,verify
800000hȡ80FFFFh
AAh write,verify
810000hȡ81FFFFh
55h write,verify
810000hȡ81FFFFh
AAh write,verify
|(The rest is omitted)
|(The rest is omitted)
870000hȡ87FFFFh
55h write,verify
870000hȡ87FFFFh
AAh write,verify
After the test result is displayed (printed out), press the [TL/NS] key to
terminate.
LCD display (when the test result is NG.)
RAM WRITE&VERIFY
NG
TL KEY:EXIT
LCD display (when the test result is OK.)
RAM WRITE&VERIFY
OK
TL KEY:EXIT
Printout (when the test result is NG.)
RAM NG
Printout (when the test result is OK.)
RAM OK
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
XE-A207/A217/A307
DIAGNOSTIC PROGRAM DESCRIPTION
– 37 –

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