Casio SF-5300B Fehlerbehebungshandbuch
R
SF-5300B(LX-547)
SEP. 1994
SF-5300B
(with price)
CONTENTS
1. SCHEMATIC DIAGRAM
1-1. MAIN PCB..................................................................................................................1
1-2. KEY MATRIX 1 ..........................................................................................................2
1-3. KEY MATRIX 2 ..........................................................................................................3
2. SPECIFICATIONS ............................................................................................................5
3. REPLACING THE BATTERIES ........................................................................................6
4. RESETTING THE UNIT ....................................................................................................7
5. SAVING DATA..................................................................................................................8
6. LSI PIN FUNCTIONS
6-1. CPU:LSI1 .................................................................................................................12
6-2. RAM:LSI2 AND LSI3 (CXK58257) ..........................................................................13
6-3. VOLTAGE REGULATOR:REG1 (S-81253) ............................................................14
6-4. VOLTAGE DETECTOR:DET1 (RH5VL46CA) ........................................................14
7. TROUBLESHOOTING ....................................................................................................15
8. DIAGNOSTICS................................................................................................................18
9. ASSEMBLY VIEW ..........................................................................................................23
10. PARTS LIST....................................................................................................................25
— 1 —
1. SCHEMATIC DIAGRAM
1-1. MAIN PCB
— 2 —
1-2. KEY MATRIX 1
— 3 —
1-3. KEY MATRIX 2
M– M+
MR
%
'
MC
÷
9
C
AC
x
6
8
7
–
3
5
4
0
+
=
2
1
.
CODE:22
CODE:17
CODE:16
CODE:23
CODE:21
CODE:18
CODE:13
CODE:12
CODE:19
CODE:20
CODE:14
CODE:09
CODE:08
CODE:15
CODE:10
CODE:05
CODE:04
CODE:11
CODE:06
CODE:00
CODE:07
CODE:01
CODE:03CODE:02
KY1
KY2
KY3
KY4
KY5
KY6
KY7
KY8
KY1
KY2
KY3
KY4
KY5
KY6
KY7
KY8
1
2
3
4
5
6
7
8
9
10
11
12
FG
FG
KY1
KY2
KY3
KY4
KY5
KY6
KY7
KY8
FG
FG
HS3
FG
To Display
— 5—
Power Switch Maximum [µA]
OFF 11.0
ON 510
2. SPECIFICATIONS
Display element: 16-column ×4-line LCD
Memory capacity: 64 kB (60972 bytes)
Main component: LSI
Power supply: 2 lithium batteries (CR2032)
Power consumption: 0.05 W
Battery life:
Approximately 400 hours continuous operation in Telephone Directory
Approximately 350 hours repeating one minute of input and 10 minutes of display in Telephone
Directory
Approximately 12 months for memory backup
Auto power off: Approximately 6 minutes after last key operation
Ambient
temperature range: 0°C ~ 40°C (32°F ~ 104°F)
Dimensions (HWD):
Unfolded: 8.4 x 139 x 148 mm (3/8x 5 1/2x 5 7/8inches)
Folded: 15.8 x 139 x 74 mm (5/8x 5 1/2x 2 7/8inches)
Weight: 98.2 g (3.5 oz)
Current consumption:
— 6—
3. REPLACING THE BATTERIES
1. Loosen the screw on the back of the SF-5300B that
holds the battery compartment cover in place, and
remove the cover.
2. Loosen the screw that secures one of the two battery
holders in place and remove the battery holder.
Caution:Be sure to remove only one battery at a time.
Otherwise, you will lose all data stored in memory.
3. Replace the old battery with a new one. Be sure that
the positive (+) side of the new battery is facing up (so
you can see it).
4. Replace the battery holder and secure it by tightening its screw.
• Be careful that you do not overtighten the screw.
5. Repeat Steps 2 through 4 for the other battery.
• Be sure to replace both batteries. Never mix old batteries with new ones, and be sure to use
CR2032 lithium batteries only.
6. After you replace both batteries, replace the battery compartment cover and secure it by tightening
its screw.
• Be careful that you do not overtighten the screw.
Screw
RESET
— 7—
4. RESETTING THE UNIT
The following procedures erase all data stored in the memory of the SF-5300B.
1. Turn on the unit and press the RESET button with a thin, pointed object.
2. Press Y to reset the memory and delete all data, or N to abort the reset
operation without deleting anything.
Following the reset operation described above, the Home Time display appears and the SF-
5300B settings are initialized as noted below.
ALL DATA
CLEAR!
OK? Y/N
CAPS
RESET Button
Sound: Schedule alarm →ON
Reminder alarm →ON
Daily alarm →OFF
Key →ON
Character Input: CAPS
Home Time: 12-hour format
JAN/1/1995
AM/12:00 00
Zone: London(LON)
World Time: New York(NYC)
Daily Alarm: 12:00 PM
RESET
— 8—
5. SAVING DATA
The SF-5300B can transfer the customer's data (both the open and secret areas) to another SF-5300B.
• Turn off both the transmitting and receiving units and connect them using the SB-60/62 cable.
1Setting up the receiving unit:
1. Do the reset operation.
2. Enter the calculator mode. Set the date of receiving unit to February 3rd, 1901.
Operation:
Note: The customer may have created a password to protect confidential information from
unauthorized access. To be sure this password is transferred to the receiving unit, be sure
to set the date as described above.
ON MENU 61 TIME
DATE 2TIME
DATE 3TIME
DATE R
M+
M SUN
1901/ 2/ 3
SB-60/62
— 9—
3. Press , , and twice.
4. Press to select DATA COMM.
5. Press to select RECEIVE.
*If the password isn't
registered in the SF-5300B,
the display shows X instead
of "1."
CAPS
1* TO SECRET AREA
2 ALL DELETE
3 LABEL EDIT
4 DATA COMM
1 SEND
2 RECEIVE
3 SET UP PAR.
CAPS
DATA
RECEIVE OK
TO STOP
PRESS (ESC)
CAPS
4
1FUNC
MENU
2
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1
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