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SF-8500
Casio SF-8500 User Manual
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— 13 —
2) To open battery cover and back cover
1.
Release the one screw of battery cover and remove the battery cover.
2.
Remove the batteries. (Refer section 3 in this manual.)
3.
Release the 8 screws of the back cover. Then, remove the back cover.
4. To check the circuit by oscilloscope, apply the power to main PCB as follow:
GND
+6V
+3V
External Power supply
Prepare some 2P switch for Main switch.
Prepare some power supply for + 6V and +3V.
Switch
13
15
Table of Contents
Default Chapter
2
Default Chapter
2
Table of Contents
2
1 Schematic Diagram
6
2 Specifications
6
3 To Replace the Battery
7
4 Error Message
8
5 To Reset the Digital Diary
8
6 To Save the Data to Other Machine
9
7 To Check the Memory Capacity
12
8 Disassembly
13
9 Block Diagram
15
10 Circuit Explanations
16
System Chart
16
Power Supply Circuit
17
CPU Pin Description (HD62076C02)
22
Gate Array Pin Descriptions (Μpd65005Gc-566-3B6)
23
Power Supply Chip IC Pin Descriptions (SC371015FU)
23
Character Generator ROM Pin Descriptions (HD62063B01)
24
Operation Program ROM Pin Descriptions ( Μ PD23C4001EBGW-304)
25
RAM Pin Descriptions (M5M51008AFP-10LL)
25
11 Diagnostic Operation
26
12 Troubleshooting
31
13 Parts List
34
14 Pcb View
36
15 Assembly View
37
4
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Casio SF-8500 Specifications
General
Brand
Casio
Model
SF-8500
Category
eBook Reader
Language
English
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