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XE-A402
Service Manual
Sharp XE-A402 Service Manual Page 24
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PC-UM10M
XE-A402 CIRCUIT DIA
GRAM AND PWB LAYOUT
– 23 –
PWB LA
Y
OUT
1.
MAIN PWB LA
Y
OUT
A.
side
B.
side
1
2
...
19
20
21
22
23
24
25
SERVICE MANUAL
1
CHAPTER 1. SPECIFICATIONS
2
5. DISPLAY
3
6. PRINTER
4
7. DRAWER
4
8. BATTERY
4
CHAPTER 2. OPTIONS
5
1. BLOCK DIAGRAM
6
2. MEMORY MAP
6
3. PRINTER CONTROL
7
5. KEY-DISPLAY
9
5-3. KEYSCAN MATRIX
10
5-4. DISPLAY (PENDING)
10
CHAPTER 5. DIAGNOSTIC PROGRAM
11
Enlargement
12
9) EXTERNAL RAM TEST
13
10) CPU INTERNAL RAM TEST
13
3. KEY CODE TABLE
14
Completed
15
P ROM COPY
15
CPU PWB CIRCUIT
16
DRIVER PWB CIRCUIT
17
PC-UM10M
18
PWB LAYOUT
24
COPYRIGHT
25
2004 BY SHARP CORPORATION
25
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