Casio SF-5300B Guía de solución de problemas

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+

–

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

KY1

KY2

KY3

KY4

KY5

KY6

KY7

KY8

HS3

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

1FUNC

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