Casio SF6300 Service Manual

(with price)

SF-6300(LX-559)

DEC. 1994

SF-6300

CONTENTS

SPECIFICATIONS .....................................................................................................................	1
SAVING DATA ..........................................................................................................................	4
LSI PIN FUNCTIONS .................................................................................................................	8
TROUBLESHOOTING .............................................................................................................	11
DIAGNOSTICS ........................................................................................................................	12
SCHEMATIC DIAGRAM ..........................................................................................................	19
ASSEMBLY VIEW ...................................................................................................................	22
PARTS LIST ............................................................................................................................	23

SPECIFICATIONS

Display element:	16-column × 4-line LCD
Memory capacity:	64 kB (60972 bytes)
Main component:	LSI
Power supply:	2 lithium batteries (CR2025)
Power consumption:	0.05 W
Battery life*:
Approximately 300 hours continuous operation in Telephone Directory
Approximately 250 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	0°C ~ 40°C (32°F ~ 104°F)
temperature range:	0°C ~ 40°C (32°F ~ 104°F)
Dimensions (HWD):
Unfolded:	4.65 x 122 x 146 mm (3/6 x 4 13/16 x 5 3/4 inches)
Folded:	8.9 x 122 x 75 mm (3/8 x 4 13/16 x 2 15/16 inches)
Weight:	91 g (3.2 oz)

Current consumption:

Power Switch	Maximum [μA]

OFF	11.0

ON	510

*The batteries that come installed in this unit when you purchase it are for factory test purposes, so they will probably not provide normal service life.

— 1 —

To replace the batteries

1.Loosen the screws on the back of the SF Unit that hold the battery compartment cover in place, and remove the cover.

•Lift up the edge of the back cover that was fastened down by the screws, hinging on the opposite edge.

2. Slide the battery switch to the "Replacement" setting.

3.Remove the battery holder by sliding it in the direction indicated by the arrow in the illustration.

Caution

Be sure to remove only one battery at a time. Otherwise, you will lose all data stored in memory.

4.Replace the old battery with a new one, making sure that the positive (+) side of the new battery is facing up (so you can see it).

5.Replace the battery holder and fasten it in place.

6.Repeat steps 2 through 5 for the other battery.

•Be sure to replace both batteries. Never mix old batteries with new ones, and be sure to use CR2025 lithium batteries only.

7.Slide the battery switch to the "Operational" setting.

8.Replace the back cover of the SF Unit and fasten it in place using three screws.

•Be careful that you do not over tighten the screws.

— 2 —

Resetting the SF Unit's Memory

Warning!

The following procedure erases all data stored in the memory of the SF Unit. Perform the following operation only when you want to delete all data and initialize the settings of the SF Unit.

Remember - you should always keep copies of important data by writing it down, by transferring it to a personal computer or other SF Unit.

To reset the SF Unit's memory

1.Check to make sure that the power is off.

2.Remove the three screws that hold the back cover in place, and then remove the back cover.

•Lift up the edge of the back cover that was fastened down by the screws, hinging on the opposite edge.

RESET Button

3.Switch on power and press the RESET button with a thin, pointed object. The following message appears on the display.

ALL DATA

CLEAR!

OK? Y/N

CAPS

4.Press Y* to reset the memory and delete all data or N to abort the reset operation without deleting anything.

*Note that the letter key you press to indicate "yes" depends on the system language, as noted below.

English: Y	Spanish: S	German: J
French: O	Italian: S

5. Replace the back cover and fasten it in place with three screws.

•Be careful that you do not over tighten the screws.

Following the reset operation described above, the Home Time display appears and the SF Unit settings are initialized as noted below.

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
Language:	English
Sound:	Schedule alarm			ON
Sound:	Schedule alarm			ON
	Reminder alarm			ON
	Reminder alarm			ON
	Daily alarm		OFF
	Daily alarm		OFF
	Key	ON
	Key	ON
Character input:	CAPS

— 3 —

SAVING DATA

The SF-6300 can transfer the customer's data (both the open and secret areas) to another SF-6300.

• Turn off both the transmitting and receiving units and connect them using the SB-60/62 cable.

SB-60/62

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:

	1	TIME		TIME		TIME
ON CAL	1	DATE	2	DATE	3	DATE	M+

M SUN

1901/ 2/ 3

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.

— 4 —