Casio CSF-4450 Troubleshooting guide

(without price)

OCT. 1995

CSF-4450/4650/4950(ZX-855✽E/✽F)

(Version ✽E and ✽F)

Caution:CSF-4✽50 includes 2 kinds of version-✽E and version-✽F. The functions are exactly the same

between two versions. As for details, refer to page-1.

INDEX

CONTENTS

FEATURES ..............................................................................................................................1

SPECIFICATIONS ...................................................................................................................2

GENERAL GUIDE ...................................................................................................................5

BATTERY REPLACEMENT ....................................................................................................6

RESET OPERATION...............................................................................................................7

TO SAVE THE DATA ..............................................................................................................9

PIN FUNCTION......................................................................................................................10

DIAGNOSTIC PROGRAM.....................................................................................................11

ERROR MESSAGE ...............................................................................................................14

SCHEMATIC DIAGRAMS .....................................................................................................15

EXPLODED VIEW .................................................................................................................23

PARTS LIST ..........................................................................................................................24

— 1 —

Model Note Capacity PCB ass'y TAB-LSI

CSF-4450 Version✽EAE Standard 32KB Z855-1E ASS'Y (MC100012✽1) OC3015-F1 SUB ASS'Y

CSF-4650 EE Standard 64KB Z855-1E ASS'Y (MC100012✽2)

FE B.O.S.S.

CSF-4950 IE Standard 128KB Z855-1E ASS'Y (MC100012✽3)

JE B.O.S.S.

CSF-4450 Version✽FAF Standard 32KB Z855-1 ASS'Y (MC100011✽1) COF3011-F1 SUB ASS'Y

CSF-4650 EF Standard 64KB Z855-1 ASS'Y (MC100011✽2)

FF B.O.S.S.

CSF-4950 IF Standard 128KB Z855-1 ASS'Y (MC100011✽3)

JF B.O.S.S.

Version

RESET

5M 111A

Backup Battery Cover

XX XXXE: Version-]E

XX XXXA: Version-]F

When the last letter of production number is E it is version-]E. When A, version-]F.

CSF-4✽50 includes 2 kinds of version-✽E and version-✽F as shown in the table above. Although the TAB-LSI is different

between two versions the functions are exactly the same.

A difference of two versions (✽E and ✽F) cannot be confirmed from the appearance, but it is recognized by production

number on back of the backup battery cover as shown below.

VERSION TABLE

FEATURES

3-color display

The display shows data in three colors: orange, blue and green. Different colors can be used to highlight

specific dates in the Calendar, and even the color of text data can be specified.

Desktop Menu System

Simply point to the item that represent the function you want to use and press a button.

Do Today Function

Every time you turn on the unit, any Schedule Keeper items scheduled for that date appear on the

display.

Powerful data bank functions

Telephone Directory, Business Card Directory, Memo, To Do, Expense Manager, Reminder, and

Schedule Keeper.

Secret Drawer

A convenient place to lock up confidential information using a secret password.

— 2 —

Calendar - Schedule Keeper - Reminder - To Do linking

Reminder and To Do items are automatically displayed in the applicable Schedule Keeper dates.

Markers appear on the Calendar display to indicate dates for which Schedule Keeper, Reminder, and

To Do items are scheduled.

Timepiece with Home time and World Time

Dual timekeeping for two different locations.

Powerful alarm functions

In addition to the standard daily alarm, you can also set alarms for Schedule Keeper, Reminder, and

To Do items.

Calculator

A 12-digit arithmetic calculator is just the thing for those quick, on-the-go calculations.

Data Communication

Exchange data with another CSF Unit or with a CASIO SF Unit.

SPECIFICATIONS

Memory Capacity

Memory capacity differs according to model. The following shows the memory capacity for each

available model.

Model Memory

CSF-4450 32K bytes (27,337 bytes)

CSF-4650 64K bytes (60,105 bytes)

CSF-4950 128K bytes (125,641 bytes)

The following shows the number or items that can be stored in each model (CSF-4450/4650/4950).

Telephone Directory

Approximately 1,200/2,700/5,700, under the following conditions:

8-character name

10-character telephone number

Approximately 600/1,300/2,900, under the following conditions:

8-character name

10-character telephone number

20-character address

Business Card Directory

Approximately 300/700/1,500, under the following conditions:

10-character employer name

8-character personal name

10-character telephone number

10-character position

10-character department

20-character address

Memo

Approximately 1,100/2,600/5,400, 20-character memos.

To Do

Approximately 700/1,600/3,400, under the following conditions:

20 character description

Deadline set

— 3 —

Schedule Keeper

Approximately 700/1,500/3,200, under the following conditions:

20 character description

Illustration used

Starting time specified, alarm time set

Approximately 900/2,000/4,100, under the following conditions:

20 character description

Illustration not used

Starting time specified, no alarm time

Reminder

Approximately 1,500/3,300/6,900, under the following conditions:

10 character description

Alarm time set

Approximately 1,700/3,700/7,800, under the following conditions:

10 character description

No alarm time

Expense Manager

Approximately 800/1,800/3,800, under the following conditions:

10 character description

Expense type and payment type set

Main Modes:

Telephone Directory, Business Card Directory, Memo, Schedule Keeper, To Do, Expense Manager,

Reminder, Calendar, Home Time, World Time and Calculator

Data storage:

Storage and recall of telephone, business card, memo, schedule, to do, expense, reminder data;

calendar display; secret drawer; editing; memory status display

Clock:

Worldtime; reminder alarm; schedule alarm; to do alarm; daily alarm; accuracy under normal tempera-

tures: ±3 seconds average

Calculation:

12-digit arithmetic calculations; arithmetic constants (+, -, ×, ÷); independent memory; percentages;

square roots; 24-digit approximations; date calculations; other mixed calculations

General:

Display element: 16-column ×4-line LCD

Main component: LSI

Power supply:

Main: Two AAA-size batteries (Type: R03 (UM-4) or LR03 (AM4))

Back-up: One CR2032 lithium battery

Current consumption:

ON: 4 mA or under (TEL mode)

OFF: 25 µA or under

Backup Battery: 10 µA or under

Low Battery message:

Main battery: 2.5 V ±2.5%

Backup battery: 2.6 V ±2.5%

Forced power off:

2.3 V ±2.5%

— 4 —

Battery life:

Main: Approximately 100 hours continuous display in Telephone Directory (approxi-

mately 180 hours on type LR03 (AM4)); approximately 80 hours repeating one

minute of input and 10 minutes of display in Telephone Directory (approximately

150 hours on type LR03 (AM4))

Back-up: 5 years if main batteries are replaced as soon as they become weak. 2 year if

dead main batteries are left in the unit.

Power consumption: 0.06 W

Auto power off: Approximately 6 minutes after last key operation

Operating temperature: 0°C ~ 40°C (32°F ~ 104°F)

Dimensions:

Unfolded: 10.5H ×145W ×176.5D mm (7/16"H ×511/16"W ×615/16"D)

Folded: 14.2H ×145W ×95D mm (9/16"W ×511/16"W ×33/4"D)

Weight: 142.2 g (5 oz) including batteries

— 5 —

Home Time, World

Time, and Alarm

Secret Drawer

Memo

Calculator

To Do

Telephone Directory

and Business Card

Directory

Calendar, Schedule

Keeper, Reminder and

Expense Manager

GENERAL GUIDE

About the desktop...

The desktop gives you point-and-select access to the data management features of the CSF Unit.

Whenever you want to return to the desktop, simply press the MENU button.

• Note that one of the icons on the desktop is flashing, This means that the icon is selected.

How to use the desktop

1. Use the cursor keys to move the flashing around the desktop until the one you want is selected

(flashing).

2. After selecting an icon, press OK to access the functions of that icon.

• Selecting some icons (like the Clock and Telephone) cause another selection screen to appear.

• Details on actually using the features and functions that you access from the desktop are described

in the other sections of this manual.

Changing the Desktop Screen's Window Scenery

You can change the scenery that is outside the desktop screen's window to any one of the scenes

shown below. Simply display the desktop screen and press the COLOR SELECT key that corresponds

to the scenery you want to select.

ORG: Night-time city scene

BLU: Daytime city scene

GRN: Beach scene

OFF key - Press this key to turn power off.

ON key - Press this key to turn power on.

Cursor Key Pad

Keyboard

Display

MENU key COLOR SELECT keys

— 6 —

AAA-size

batteries

Main battery holder

RESET

Adjusting the Display Contrast

The following procedure describes how to adjust the color contrast, which controls the relative darkness

and lightness of each color on the display.

To adjust the display contrast

1. While the desktop is on the display, press FUNC.

2. Press 1to select

SYSTEM

3. Press to display the second

SYSTEM

menu.

4. Press 1to select

CONTRAST

5. Use and to move the pointer to the color whose contrast you want to set.

6. Use and to adjust the contrast of the currently selected color.

• You can adjust the overall contrast of the display by pressing or .

• Whenever you press one of the COLOR SELECT keys, the color contrast is returned to its initial

default setting.

7. After you finish adjusting the display contrast, press OK.

• Color contrast settings are registered as soon as you make them. Because of this, pressing either

OK or ESC quits the color contrast procedure only. Pressing ESC does not return the color contrast

setting to what is was.

Notes

• Temperature changes can cause changes in background color and the tint of display colors .

• Low battery power can also cause flickering of the display and changes in the tint of display colors.

BATTERY REPLACEMENT

Main Battery

Before replacing the main batteries, note the following precautions:

• Do not remove the main batteries from the CSF Unit while back-up battery is removed.

• Be sure to replace both batteries at the same time, and do not use an old battery with a new one.

1. Press OFF to switch power OFF.

2. Press down at the two locations indicated by , and slide in the direction indicated by the arrow.

Pointer (currently

selected color)

∇

<O B G>

(ORG)

(BLU)

(GRN)

— 7 —

RESET

button

RESET

Back-up battery

compartment

cover

RESET

Back-up Battery

Before replacing the back-up battery, note the following precautions:

• Do not remove the back-up battery from the CSF Unit while main batteries are removed.

• Be sure to replace the back-up battery at least once every five years. Otherwise, you run the risk of

losing data stored in memory.

1. Press OFF to switch power OFF.

2. Remove the screws that hold the back-up battery compartment cover in place, and remove the cover.

3. Insert a thin, pointed object into (A) and remove the old battery.

RESET OPERATION

1. Press ON to switch power ON.

2. Press the RESET button with a thin, pointed object.

Warning!

The next step deletes all data stored in the CSF Unit's memory. Make sure that you really want to delete

the data before you continue!

3. Remove both old batteries and replace them with two new ones.

• Make sure that the positive (+) and negative (-) ends are facing correctly.

4. Replace the holder.

5. Turn on power.

• The Home Time screen always appears whenever you turn power on for the first time after replacing

batteries.

6. Check the Home Time setting and make changes if necessary.

(A)

CR2032 lithium

battery

— 8 —

3. Press 1to select

ALL RESET

Note

•The above message always appears in English, regardless of the system language setting.

4. Press OKto reset the memory and delete all data or ESC to abort the reset operation without deleting

anything.

• After the ALL RESET operation is complete, the LANGUAGE screen appears on the display.

5. Check the Home Time setting and make changes if necessary.

Following the all reset operation, the CSF Unit settings are initialized as noted below.

Home Time: LON

1996/1/1 MON

12:00 AM

12-hour format

World Time: NYC

Daily Alarm: 12:00 PM

Sound: Data alarm (Schedule alarm, Reminder alarm and To Do alarm) — ON

Daily alarm — OFF

Key — ON

Messages: English

Character input: CAPS

To perform SECRET RESET

Important!

• The following procedure erases all data stored in the secret drawer. Make sure you do not need any

ofthe datain thesecret drawerbefore deletingit. Youcan transferdata youmight needto thedesktop

(page 9) before performing this procedure.

• Note that this unit has no procedure for deleting the password only (and leaving secret drawer

contents) or secret drawer contents only (and leaving the password).

To perform a SECRET RESET, follow the same procedure as that described under "RESET

OPERATION" on page 7, except you should select "

SECRET RESET

" in step 3.

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