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SF-4400
Casio SF-4400 Service Manual & Parts List
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— 20 —
No.
OPERATION
DISPLAY
NOTE
RAM check
WRITE1
EXECUTING!!
Check the alarm 1
sound.
15
16
17
18
19
20
21
Buzzer check
TEST
2
MEMORY
MENU
3
KEY
4
BUZZER
1
DISP
5
EXT
BUZZER
1
BEEP
2
ALARM1
3
ALARM2
4
2
BUZZER
1
BEEP
2
ALARM1
3
ALARM2
TEST
2
MEMORY
MENU
3
KEY
4
BUZZER
1
DISP
5
EXT
ESC
2
MEMORY
3
WR2
4
READ2
1
WR1
5
DUMP
2
READ1
6
CHKSUM
1
ESC
SEARCH
21
23
Table of Contents
Default Chapter
2
Table of Contents
2
1 Schematic Diagram
3
Main Pcb
3
Key Matrix
4
2 Specifications
5
3 To Replace the Batteries
7
4 Data Transfer
8
5 Operation Reference
12
Reset Operation
12
To Adjust the Display Contrast
13
To Check the Memory Status
13
The Sound Menu
13
6 LSI, IC (Pin Function)
14
Cpu
14
RAM: Μ PD43256G-101215LL (LSI2,LSI3)
15
Voltage Regulator:s-81253Sgup (Reg1)
16
Voltage Detector:s-80752An (Det1)
16
7 Troubleshooting
17
8 Hard Check
20
9 Assembly View
24
10 Parts List
25
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Owner's Manual
27 pages
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Casio SF-4400 Specifications
General
Brand
Casio
Model
SF-4400
Category
Calculator
Language
English
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