Sharp XE-A203 (serv.man5) Service Manual ▷ View online
XE-A203V/A213V
Program Rewriting
– 19 –
CHAPTER 6. PROGRAM REWRITING
The Flash memory supplied as a service part is not provided with the
software.
When replacing the Flash memory, therefore, rewrite the software
according to the following procedures.
software.
When replacing the Flash memory, therefore, rewrite the software
according to the following procedures.
1. REQUIRED ITEMS
1 Software to be rewritten
For V4, 6, V8 : UKOG-2379RCZZ
For V7
: UKOG-2380RCZZ
* The above software includes the following items.
USB Driver
: For Windows XP, Win98 or Win2k
Writing tool
: POSTOOL4.exe
Software program : A203V.ROM
* A203V. ROM can be installed with XE-A213.
2 PC with USB 2.0 I/F
3 USB CABLE (Type-A connector to Type-B connector)
2. PROCEDURES
2-1. PC SETTING BEFORE UPDATING ROM OF ECR
USB driver is needed for your PC because I/F of ECR is USB.
1) Power off ECR.
2) Connect PC to ECR via USB cable.
3) Power on ECR (PGM mode) then "requirement for driver" dialog
appears on your PC.
4. Choose USB_Driver/WinXp or Win98 or Win2k folder according to
your PC.
2-2. HOW TO WRITE ROM
1) Remove battery.
2) Unplug the power cable to power off ECR.
3) Set SP2 as right side (please see the picture).
4) Connect ECR to PC via USB cable.
5) Power on ECR and set "mode SW" as "PGM" mode.
6) Check ECR displays "IPL ".
7) Run "POSTOOL4.exe" on your PC
8) Click "Add Files" and select a ROM (A203V.ROM). Choose "USB"
type for communication. Then click "SEND".
* A203V.ROM can be installed with XE-A213
9) After completion, "Completed" is displayed on ECR.
10) Power off ECR.
11) Change SP2 as left side.
12) Power on ECR. That results in Master Reset.
13) Install Battery.
Type A to PC
Type B to ECR
SP2
XE-A203V/A213V
CIRCUIT DIAGRAM AND PWB LAYOUT
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A
B
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D
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1/5
CHAPTER 7. CIRCUIT DIA
G
RAM AND PWB LA
Y
O
UT
1
. CIRCUIT DIA
G
RAM
■
MA
IN P
W
B
XE-A203V/A213V
CIRCUIT DIAGRAM AND PWB LAYOUT
– 21 –
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
2/5
XE-A203V/A213V
CIRCUIT DIAGRAM AND PWB LAYOUT
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