Telephone Directory, Memo, Schedule Keeper, To Do, Expense Manager, Reminder, Calendar, Home
Time, World Time, Calculator, Conversion (metric/currency) and Game (Poker/21)
Data storage:
Storage and recall of telephone, memo, schedule, to do, expense, reminder data; calendar display;
editing; memory status display
Clock:
World time; reminder alarm; schedule alarm; daily alarm; accuracy under normal temperatures: ±3
seconds average
Main:• Approximately 130 hours of continuous display only in Telephone
Directory Mode.
•Approximately 90 hours with 55 minutes of continuous display
only and 5 minutes of processing operation per hour.
•Approximately 80 hours with 55 minutes of continuous display
only and 5 minutes of processing operation per hour, plus 3 minutes of backlight operation per hour during continuous display
only period.
Back-up:Approximately 5 years if main batteries are replaced as soon as
they become weak. Approximately 2 years if dead main batteries
are left in the unit.
Power consumption:0.25 W
Current consumption:
Main (Input voltage = 3.0 V):Telephone top menu (Backlight doesn't shine)-
When lighting is dim, you can turn on an EL (electro-luminescent) backlight for easier viewing.
■ To turn on the EL backlight
There are two ways to turn on the backlight of the display. Pressing causes the backlight to
turn on for about 15 seconds, and then turn off automatically. Pressing and then
also turns on the backlight, but in this case the backlight stays on as long as you keep performing key
operations on the Digital Diary. The backlight turns off automatically if you do not perform any key
operation for about 15 seconds.
Leaving the backlight on for long periods greatly reduces battery life!
You can manually turn the backlight off by pressing again.
Failure of the backlight to turn on indicates low battery power. Replace batteries as soon as possible.
— 3 —
■ Display Indicators
1 Telephone Directory Mode
2 Memo Mode
3 To Do Mode
4 Reminder Mode
5 Schedule Keeper Mode
6 Calendar Mode
7 Expense Manager Mode
8 Home Time/World Time Mode
9 Calculator Mode
0 Conversion Modes
A Game Modes
B Indicates data above
C (SHIFT) key operation
D Upper-case input
E (ENGLISH/RUSSIAN)
key operation
F (NEW/EDIT) screen
G Index display
H Data display
I Snooze feature activated
J Daily alarm on
K Key sound on
L Memory locked
M Low battery warning
N Indicates data below
2-2. Power Supply
Your Digital Diary is powered by two AAA-size batteries, and its memory is protected by a single
CR2032 lithium battery.
■ Low battery Warning
Failure of anything to appear on the display after you turn on power or appearance of the low battery
message, “
” (followed by the display turning off in about 10 seconds) normally indicates that main
battery power is low.
Note, however, that pressing the button on the back of the unit and then performing steps
1 and 2 of the procedure under “When to press for “no”” above can sometimes restore normal
operation. When the low battery message appears on the display even if you perform these steps, it
means you should replace the main batteries as soon as possible.
Note
• Take care that you do not make a mistake and delete memory contents at this time.
Important!
• Replace batteries only when low battery power is indicated by failure of the Digital Diary to turn on
when you press the key. Do not replace batteries as long as the Digital Diary turns on
normally when you press the key.
• There is no low battery warning for the back-up battery. Be sure to replace the back-up battery
once every 5 years.
• Be sure you keep a separate copy of all important data that you store in the Digital Diary.
— 4 —
■ Battery Precautions
Incorrectly using batteries can cause them to burst or leak, possibly damaging the interior of the
Digital Diary. Note the following precautions.
• Be sure that the positive (+) side of each battery is facing in the correct directions.
• Never mix batteries of different types.
• Never mix old batteries and new ones.
• Do not expose batteries to direct heat, let them become shorted, or try to take them apart.
• Never leave dead batteries in the battery compartment.
• Remove batteries if you do not play to use the unit for a long time.
• Replace batteries at least once every five years, no matter how much you use the unit during that
period.
• Never try to recharge the batteries that come with the unit.
• Should a battery leak, clean out the battery compartment of the unit immediately, taking care to
avoid letting battery fluid come into direct contact with your skin.
Keep batteries out of the reach of small children. If swallowed, consult with a physician immediately.
2-3. EL backlight
• This unit is equipped with an EL backlight that allows easy viewing of display contents in a theater,
or anywhere else where lighting is dim.
• Note, however, that frequent or extended use of the EL backlight shortens battery life.
The following shows how backlight use affects battery life under controlled test conditions.*
Backlight OperationBattery Life
3 minutes per hourApproximately 80 hours
15 minutes per hourApproximately 45 hours
* Test Conditions
• “Battery Life” is the number of hours before battery failure when the unit is left on with 5 minutes of
a processing operation and 55 minutes of continuous display only (no processing operation) per
hour, plus the backlight operation described below.
• “Backlight Operation” is the number of minutes the backlight is turned on per hour during the
display only (no processing operation) period.
— 5 —
3. RESET OPERATION
Use the following procedure to reset the unit to its initial settings.
Important!
• Do not use a very sharp pencil or other object to press the button.
• Be sure to reset the unit before using it for the first time.
• Perform the reset operation only after main batteries and back-up battery are correctly installed.
• Be sure to press the button after loading main batteries for the first time or if the previous
set of batteries went dead.
START
button
START
■ To start the all-reset operation
1. Turn power off.
2. Press the button on the back of the Digital Diary with a thin, pointed object.
3. Now you should press for “yes” or for “no” in accordance with the conditions described below.
When to press for “yes”
• When this is the first time you are using the unit.
• When you want to reset the unit and clear all data and settings.
• When you are resetting the unit after a data error (page 14).
1. Press in response to the message that appears on the display when you start the all-reset
operation.
2. Press to reset the Digital Diary or to abort.
• At this time the message “” appears.
• After about two seconds, the Home Time screen appears.
— 6 —
3. Press , select “”, and then use the procedure on page 18
of the User’s Manual to set the Home Time.
• If you turn power off without setting the Home Time, the “” message appears the next time you turn power on. The Digital Diary will not operate properly until you set the
Home Time.
When to press for “no”
• After replacing the main batteries.
• When you are not resetting the unit to clear all data and settings.
• When you are not resetting the unit after a data error (page 14).
1. Press in response to the message that appears on the display when you start the all-reset
operation.
• At this time the message “” appears.
• After about two seconds, the Home Time screen appears.
2. Press , select “”, and then use the procedure on page 18
of the User’s Manual to set the Home Time.
• If you turn power off without setting the Home Time, the “” message appears the next time you turn power on. The Digital Diary will not operate properly until you set the
Home Time.
• Following are the initial settings of the unit after you perform the all-reset operation.
Home Time: (Moscow)
(January), 1998 ( (Thursday)
0:00
24-hour format
World Time: (London)
Daily Alarm:0:00
Sound:Daily alarm — OFF
Key — ON
Keyboard:Cyrillic
Character input:CAPS — OFF
— 7 —
4. BATTERY REPLACEMENT
■ To replace the main battery
Important!
• Do not remove the main batteries from the Digital Diary while the back-up battery is removed.
• Be sure to replace both batteries with two new ones. Do not mix an old battery with a new one.
• Be sure to press the button after loading main batteries for the first time or if the previous
set of batteries went dead.
• Replace batteries only when low battery power is indicated by failure of the Digital Diary to turn on
when you press the key. Do not replace batteries as long as the Digital Diary turns on
normally when you press the key.
1. Press to turn power off.
2. Remove the screw that holds the battery compartment cover in place and open the cover.
START
3. Remove both old batteries and replace them with new ones.
• Make sure that the positive (+) and negative (–) ends are facing correctly.
4. Replace the battery compartment cover and secure it with its screw.
• Take care that you do not overtighten the screw.
5. Press the button.
• This causes the message “
()” to appear. Be sure to press in response to this message (pressing will delete all data in
memory). Next, continue with the procedures in the section title “3. RESET OPERATION” on page
6.
— 8 —
■ To replace the back-up battery
Important!
• Do not remove the back-up battery from the Digital Diary while the main batteries are removed.
• Be sure to replace the back-up battery at least once every 5 years. Otherwise, you run the risk of
losing data stored in memory.
1. Press to turn power off.
2. Remove the screw that holds the back-up battery compartment cover in place and open the cover.
START
3. Insert a thin, pointed object into (A) and remove the old battery.
(A)
4. Load a new battery into the compartment, making sure that its positive side is facing up (so you can
see it).
5. Replace the battery compartment cover and secure it with its screw.
• Take care that you do not overtighten the screw.
— 9 —
5. DATA COMMUNICATIONS
■ Setting Up for Data Communications
The following describes what you would do to set up for data communications between two Digital
Diary units.
To connect to another Digital Diary unit
1. Make sure that the power of both units is turned off.
2. Open the covers of the data communications jacks of the two Digital Diary units.
3. Connect the two units using the SB-62 cable.
Important!
• Be sure to replace the connector covers on the Digital Diary units when you are not performing
data communications.
■ DATA TRANSMISSION FROM A UNIT TO ANOTHER UNIT
Performing the following procedure, you can transfer the data from a unit (S) for sending to
another unit (R) for receiving without entering password even if unit (S)’s data are protected
by password.
Remarks:
1. The units should be the same models because these units should have the same memory capacity
and functions.
2. Press button if you abort any operation.
PROCEDURE
1 Connect two units using the SB-62 cable as described above.
2 Turn both units power on.
3 Press button on the unit (R)’s rear panel using a thin, pointed object.
Press , then button (RESETTING OF THE UNIT (R)).
4 Pressing button once or twice, displays home time message, then press
and then 1 (Time set) button with both units.
5 Set the time to 3, 1901 (2/3/1901) using -> button and numeral buttons with both units
6 Press , , and then 4 ( ()) button with the units
(S).
7 Press , , 4 () and then button with the unit (R).
8 Pressing button with the unit (S), the data transmission from the unit (S) to the unit (R) starts to
perform.
(After this transmission, home time message appears with unit (R). Wait for a while until
this message appears.)
9 After the transmission, don’t turn the unit (R)’s power off and confirm to exist the transferred data in
the unit (R) also.
— 10 —
6. OPERATION CHECK
REMARKS:
1. Executing this check clears the data stored in the Digital Diary. If you do not want them to
be cleared, you should store them in another Digital Diary (SF-5580RS/-5780RS) referring to
the “5. Data communications” in this manual.
2. You cannot put out the light from EL while executing this check.
■ LCD CHECK
1 Press button on the rear panel while press-
ing button on the front panel.
LCD display appears as shown right.
figure-1
figure-1
2 Press button four times.
LCD display appears as shown right.
figure-2
3 Then press button.
LCD display appears as shown right.
figure-3
4 Press button again.
LCD display appears as shown in the figure-1 again.
■ ROM CHECK
5 Wait 4 to 5 seconds, then press button.
LCD displayROM TEST ROM OK
■ RAM CHECK
6 Press button.
LCD displayROM TEST ROM OK
RAM TEST
figure-2
figure-3
— 11 —
7Wait about 45 to 50 seconds.
In the case of SF-5580RS.
LCD display ROM TEST ROM OK
RAM TEST 1 2 8 K OK
In the case of SF-5780RS.
LCD display ROM TEST ROM OK
RAM TEST 1 2 8 K OK
2ND
RAM TEST 1 2 8 K OK
■ KEY CHECK
8Press button.
LCD display KEY TEST
9After pressing any button, LCD displays a letter or a number correspond to its button.
Check all keys (buttons) in this way except to button.
■COMMUNICATION CHECK
0Press button.
LCD display 1 COMM 2 ECHO
A Prepare another unit, then execute the procedure described above 1 ~ 0.
Another unit’s
LCD display 1 COMM 2 ECHO
BConnect two units using the SB-62 cable as shown in the “5. DATA COMMUNICATIONS” (page
10) in this manual.
C Press 1 button on a unit (A) while pressing 2 button on another unit (B).
Unit (A)’s
LCD display 1 COMM 2 ECHO OK
Unit (B)’s
LCD display 2 ECHO OK
If this OK was displayed, another unit (B) transmitted data to a unit (A).
— 12 —
D Pressing buttons on the both units, regain to the condition described in the item B.
LCD displays on the both units indicates the same display as shown in the item A.
E Next, try to transmit data from another unit (B) to a unit (A).
F Regain to the condition described in the item B using button.
G Pressing button twice, the following message appears.
()
H Pressing button, the following message appears.
()/
I Pressing button. [Doing so, the data stored in this Digital Diary are deleted]
— 13 —
7. ERROR MESSAGES
■ Data Error Message
The data error message appears whenever the Digital Diary’s internal check discovers a problem with
data stored in memory.
Appearance of the data error message indicates that you must perform the all-reset procedure to
correct the problem. Start out with the procedure under “To start the all-reset operation” on page 6,
and continue with the procedure under “When to press for “Yes” on page 6”.
Important!
• Even though you are not using the unit for the first time, you must press (for “Yes”) when the unit
asks “ ()” in order to reset
the unit after a data error occurs.
If you still have trouble after trying the operation, you may have a hardware problem.
■ Message Table
Message
.
(NOT FOUND!
PRESS TO QUIT.)
,
.
(MEMORY FULL, PRESS
ANY KEY.)
(ALARM TIME COINCIDENT!)
(ALARM TIME ALREADY
PASSED!)
Meaning
Data specified in search operation
does not exist in memory.
No more room in memory for storage of data.
Attempt to set an alarm that is already used for another entry.
Attempt to set an alarm for a time
or data that is already passed.
Action
Change specification or cancel
search.
Delete unnecessary data items
from memory.
Set a different alarm time or
change the existing alarm time.
Set a different alarm time.
.
(DATA COMM. ERROR,
PRESS ANY KEY)
Error during data communications.
— 14 —
Cancel the operation and try
again.
Message
Meaning
Action
()
(ARE YOU USING A NEW
UNIT FOR THE FIRST TIME?
(Y/N))
()/ ()
(CLEAR MEMORY AND SET
UP THE UNIT FOR OPERATION?
YES ()/
NO ())
(DATA ERROR! CHECK
YOUR OWNER’S MANUAL
FOR PROCEDURE!)
The reset procedure has started.
The reset procedure is in
progress.
Data corrupted by strong impact,
electrostatic charge, etc..
The main batteries are getting
weak.
See page 6.
See page 6.
Replace main batteries immediately (page 8).
(MAIN BATTERIES WEAK!
REPLACE THEM! UNIT WILL
NOT TURN ON AGAIN!)
— 15 —
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
8. LSI PIN FUNCTION
CPU (LC868016A): U1
Pin No.NameI/OFunction
1VDDIPower supply for this CPU
2~65S1~48,C1~16O Common signals to LCD
66V1O
67V2O
68V3O Bias power supply to LCD
69V4O
70V5O
71VLCDO Power supply to LCD
78VSS— Ground for this CPU
80P41O Clock for LCD driver LSI(U2, U3:LC868900
82P43O
84P46O Read signal to RAM(U42, U62) and LCD driver LSI(U2, U3:LC868900
85P47O Write signal to RAM(U42, U62) and LCD driver LSI(U2, U3:LC868900
87P71IDetection of low battery voltage(=2.5V) from IC(U2:S80725
90P10O Serial data output to another unit or a personal computer
91P11ISerial data input from another unit or a personal computer
93P13O
96P16O Control signal for buzzer(H: buzzer-ON/L: buzzer-OFF
98P57O Chip select to LCD driver LSI(U3:LC868900)
99P56O Chip select to LCD driver LSI(U2:LC868900)
101P54O Clock to IC(U8:74HC273) for the keyboard data latch
102P53O Control signal to LCD driver LSI(U2, U3:LC868900
104P51O Address bus to RAM(U42, U62
105P50O Address bus to ROM(U5
106VDD1O Power supply for this CPU
107P30I
108P31I
109P32I
110P33ISignals for key assign from keyboard
111P34I
112P35I
113P36I
114P37I
115P00I/O
116P01I/O
117P02I/O
118P03I/O Address bus to the address data latch IC(U7:74HC373
119P04I/O
120P05I/O
121P06I/O
122P07I/O
123P20O
124P21O
125P22O
126P23O Address bus to ROM(U5) and RAM(U42, U62
127P24O
128P25O
129P26O
130P27O
131ADLCO Control signal to the address data latch IC(U7:74HC373
132-EROEOChip select to ROM(U5
133-RSTIReset signal for this CPU and LCD driver LSI(U2, U3:LC868900
134XT1ITimer clock for this CPU
135XT2O
136VSS— Ground for this CPU
137CF1IMain clock for this CPU
138CF2O
Signal to LCD driver LSI(U2, U3:LC868900)(AC voltage is supplied to LCD by this
signal.
Control signal to power supply IC(DC/AC inverter IC) for EL (H: EL-OFF/L: EL-ON
— 16 —
9. SCHEMATIC DIAGRAMS
9-1. Main PCB ASS’Y (A342054*13)-(1/4)
— 17 —
9-1. Main PCB ASS’Y (A342054*13)-(2/4)
— 18 —
9-1. Main PCB ASS’Y (A342054*13)-(3/4)
— 19 —
9-1. Main PCB ASS’Y (A342054*13)-(4/4)
— 20 —
9-2. Keyboard PCB ASS’Y (A342241*1)-(1/3)
BUZZER
— 21 —
9-2. Keyboard PCB ASS’Y (A342241*1)-(2/3)
POWER SUPPLY
— 22 —
9-2. Keyboard PCB ASS’Y (A342241*1)-(3/3)
— 23 —
10. DISASSEMBLY PROCEDURE
1 Remove two screws then remove the battery cover.
2 Remove three screws.
3 Open the unit and remove two screws behind the display plate.
— 24 —
Display plate
4 Remove Lower cabinet (keyboard).
Lower cabinet
(keyboard)
5 Remove Rubber key and knob.
6 Desolder the wire connected
to the buzzer on the Lower
cabinet (keyboard) from keyboard PCB ass’y.
7 Remove Lower cabinet (display).
Rubber key
Knob
— 25 —
Lower cabinet
(display)
8 Remove screws on PCB shown below then remove PCB ass’y.
Main PCB
(11 screws)
9 Separate upper cabinets.
Keyboard PCB
(13 screws)
Caution:
Heat seal and wires must be placed inside of the hinge in order for the Lower cabinet (keyboard) to fit
into place.
If heat seal and wires are placed improperly, they are damaged.
Heat seal
Wires (Black/Red)
Hinge
Lower cabinet
— 26 —
11. PARTS LIST
NItemCode No.Parts NameSpecificationApplicableQ R
PCB ASSY(A342054)
* There are two type of PCB ASSYs in SF-5780RS--A type & B type.
126422 4400RUBBER/KEY(24-KEY)KEY-04-ZX460A-0Common1 C
14
17
19
20
216421 4150SPRING/BATTERYBAC-01-ZX877+/-Common1 X
226421 4160SPRING/BATTERYBAC-01-ZX877+Common1 X
236419 6080RUBBER/KEYKEY-03-U100Common1 C
246419 6140KNOBLOC-01-ZX876-02Common1 C
253122 3508BUZZERBUZ-02-27Common1 X
2114 5828 IC/MOSCMO-14-5VL22AACommon1 C
3065 0712 CONVERTORCMO-10-R1502BCommon1 C
2259 2713 TRNSISTORTRR-01-NPNL6Common2 C
2253 0711 TRNSISTORTRR-01-2SD1628GCommon1 C
2390 3005 DIODEDIO-01-LS4148Common1 C
2390 3032 DIODE/SCHOTTKYDIO-03-RB100ACommon2 C
6419 6430 COIL/CHOKECOI-02-4630Common1 C
3122 3509 INDUCTORIND-01-120Common1 C
3502 2225 JACKJCK-01-1169Common1 C
6419 6460 SPRING/BATTERYBAC-01-988+Common1 C
6419 6470 SPRING/BATTERYBAC-01-988-Common1 C
6422 4450 PCB ASSYA342054A*13 HKSF-5580RS1 B
6422 4290 PCB ASSYA342054A*14 HKSF-5780RS1 B
6422 4310 PCB ASSYA342241*1 HKCommon1 B
5610 9420 HEAT SEALHES-03-ZX876ACommon1 B
5610 9430 HEAT SEALHES-03-ZX876BCommon1 B
5610 9440 HEAT SEALHES-01-161055Common1 B
3502 2224 HEAT SEALHES-01-064065Common1 B
3335 6730 LCD/FSTNLCD-03-ZX460Common1 B
3312 0057 ELECTRO LUMINESCENCELAM-03-ZX876Common1 B
6422 4410 CASE/UPPER DISPLAYHOU-04-ZX876-04Common1 X
6419 6240 RUBBER/CONTACT DUMMYCON-05-507327Common2 X
6422 4420 CASE/LOWER KEYBOARDHOU-02-ZX460-00Common1 X
6422 4430 CASE/UPPER KEYBOARDHOU-01-ZX460-00Common1 C
6419 6340 HINGE RUBBERHIN-01-ZX876Common1 X
6422 4440 RUBBER/KEY(63-KEY)KEY-04-ZX460B-0Common1 C
6419 6400 NUTNUT-02-M1.7Common2 X
6421 4140 SPRING/BATTERYBAC-01-ZX877-Common1 X
R – RankB : Stock recommended
– Quantity used per unit
QC : Others
LSI/S-RAM
OSCILLATOR/CRYSTAL
— 27 —
CMO-02-128NC-01SF-5580RS1
QUA-02-26
X : No stock recommended
Common1
B
B
B
C
C
C
C
C
C
C
C
C
NItemCode No.Parts NameSpecificationApplicableQ R
N263851 2096 PANEL/DISPLAYLEN-01-ZX460-00SF-5580RS1 B
N263851 2097 PANEL/DISPLAYLEN-01-ZX460-01SF-5780RS1 B
N276422 4320 CASE/LOWE DISPLAYHOU-03-ZX876-04Common1 C
N286422 4330 PLATEINL-01-ZX460-00SF-5580RS1 C
N286422 4340 PLATEINL-01-ZX460-01SF-5780RS1 C
296419 5820SCREWSCR-01-1740PMTBCommon1 C
306419 5840SCREWSCR-01-1740CMTCommon1 C
316419 5850COVER/PHONE JACKJCK-02-ZX876Common1 C
N326422 4380 COVER/BATTERYBAD-02-ZX876-04SF-5580RS1 C
N336422 4390 COVER/BATTERYBAD-01-ZX876-04SF-5780RS1 C
346421 4090CUSHIONSPO-01-301005Common1 C
Notes: N – New partsR – A : Essential
R – RankB : Stock recommended
– Quantity used per unit– Quantity used per unit– Quantity used per unit
QC : Others
X : No stock recommended
— 28 —
16
24
17
18
31
1
22
21
20
5
23
3
2
25
15
19
32
29
30
33
26
13
12
8
9
14
10
11
7
6
4
27
28
19
34
12. EXPLODED VIEW
— 29 —
CASIO TECHNO CO.,LTD.
Overseas Service Division
8-11-10, Nishi-Shinjuku
Shinjuku-ku, Tokyo 160-0023, Japan
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