Sharp ZQ-4400 User manual

ZQ—4400
ZQ—-4450
SHARP
SERVICE
MANUAL
CODE: 00ZZQ4450SM/E
ZQ-4400
mMoDEL ZQ-4450
KEY LAYOUT
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NAME:
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Electronic notebook
section
Automatic day-forward function, schedule alarm function
Entry and recall of dates and details of anniversaries
Anniversary notice function
CALENDAR mode Display of calendars from January 1901 to December 2099
Schedule mark function distinguishing between moming and afternoon appointments
Anniversary mark function
Entry and recall of everyday memos
Entry and recall of expense date, amount, payment type and description
Memory capacity 128 Kbytes (User area: Approx. 126 Kbytes)
SCHEDULE mode capacity: Approx. 2120 entries
TEL mode capacity: Approx. 3400 entries
MEMO mode capacity: Approx. 950 entries
® The approximate entry capacities above assume the following average entry sizes
when ail memory is used by a single mode.
KEY SYSTEM: Rubber key
CPU: = 1135101F (253pin-FiLM)
—Or-
SRAM: CXK58257AM-12L (x2)
POWER SUPPLY
Main power supply:
6 VDC lithium batteries (CR2032 x 2)
Memory backup power: .
3 VDC lithium battery (CR2032 x 1)
ACADAPTOR |
SCHEDULE
BATTERY
|
Rg
gene
, ee Number io cieracereeniny
POWER 0.01 W MEMO 128 characters/entry
CONSUMPTION . Mek,
Maximum character string | 512 characters
7 length per entry ;
AUTO POWER Approx. 7 minutes Secrat function, data transfer, index display
OFF
TIME
oo
?
MEMORY va
EnOleet
(gal
frequency
|DIMENSIONS(mm) , ) |
Open:
138(W)
x
160.2(D)
x
9.3(H)
mm.
Content
of
displays
Closed:
138(W)
x
80(D)
x
17.5(H)
mm.
\Weight | Approx. 155g (including batteries)
CALCULATIONS — 7 ® Approx. 1200 hours een a=
addition, subtraction, multiplicati on, division: When data is continuously displayed at an ambient temperature of 20°C (68°F).
® Approx. 800 hours :
constant,
square
root,
percent,
memory;
when
data
is
searched
for
5
minutes
per
hour,
and
the
data
is
displayed
for
55
minutes
per
hour,
at
an
ambient
calculation, etc. | |
temperature of 20°C (68°F).
Accessories
® When off, and the clock is running, operating time: Approx. 1.5 year
Lithium batteries (CR2032 x 3)
® Memory backup battery life:
Operation manual
Approx. 5 years (if operating batteries are replaced promptly when exhausted)
Approx. 3 years (if operating batteries are exhausted or not installed)
This document has been published to be used
for after sales service only.
S
H
AR
P
C
O
R
P
O
RATI
O
N
The
contents
are
subject
to
change
without
notice.

! | | | |
{
ZQ-4400
ZQ—-4450
1.
CPU
(LI35101F)
terminal
description
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ZQ-4400
ZQ-4450
2. Regulator
(Internal block diagram)
3. Detector
(Internal block diagram)
VDD |
VSS
4. Low voltage detection method
* In this model, a warning is given only to the inain battery exhaus-
tion, not given to the backup battery exhaustion.
The main battery exhaustion is detected in the circuit shown
below:
vcCc
EO1
~ Kis
(Nch open-daaqin type) —
- 1). Caution level (detection voltage: About 4.8 ~ 5.3V).
© When the caution level is detected while displaying, the low battery
symbol ([BATT |) is lighted.
e When the caution level is detected on supplying the power to the
set or on pressing the reset switch, the battery replacement indica-
tion (PLEASE REPLACE THE OPERATING BATTERY !) is dis-
played for about 4 sec.
© When the caution level is detected while sounding the aa or key.
input sound, the alarm sound or key input sound is stopped.
2) Fatal level (Detection voltage: About 4.4 ~ 4.8V)
® When the fatal level is detected while displaying, the whole system
is turned off.
© When the fatal level is detected, on supplying the power to the set
or on pressing the reset switch, the whole system is turned off.
* When the fatal level is detected while sounding the alarm sound or
key input sound, the alarm sound or key input sound is immedi-
ately stopped. After 100ms, the voltage is restored and the next
process is performed.
¢ When the fatal level is detected while the power is off, pressing the
key will not supply power to the set. The reset key is also
disabled. (Until the battery is replaced.)
[Note] Since low voltage detection is not performed for the memory
protection battery, please note the battery replacement label
and replace when necessary.
5. Alphabet: Caps/Low
® Caps/Low of alphabet can be selected by pressing the [CAPS
key.
© When the power is supplied by pressing the LON} key, Caps is
selected. (Caps symbol is lighted.)
@ Circuit
¢ This circuit has no hysteresis characteristics.
vcc OUT
EO1
@ Software
1. Caution level is detected every 0.5sec. (EO1 = = GND)
2. In normal cases, only the fatal level is detected. (EO1 = Vcc)
3. Even when the system is off, the fatal level is detected.
— GND.

6. Memory map
“| SYSTEM AREA
USER AREA
(32KB)
CE1
64KByte.
04000H
(32KB)
128K
Byte
| 0000
O6000H ee
— ors USER AREA
07F-FFFH————_—
O8c00H 7FFE
0A000H
CE2 ae
OCOOOH
(32KB)
FFFF
_ USER AREA |.
QEO00H BAIG
(128KB)
OFFFFH
10000H
7
.
|
(32KB)
peep
Le
fe
7. Current check
(VCC. =6.0V)
1. Press the OFF key.
2. Measure the current value. (After 1 sec.)
When OFF: 15nA or less
Press the ON key.
‘ Measure the current value.
When ON: 50mA or less
8. Note for Battery replacement
Replacing batteries
Batteriés used in the Organizer:
Lithium battery CR2032- | 2 | Unit operation
Lithium battery CR2032 | 1 | Memory backup
The standard built-in clock is powered by the operating batteries.
Precautions when replacing the batteries. |
Before replacing the battery, be sure to press [OFF] to turn the
power off. |
Do not replace: the memory backup battery when the operating bat-
teries are depleted. When the operating batteries become weak and
you
turn
the
power
on,
"
[EZGE§
"
will
be
displayed
and
the
following
display will appear temporarily:
| <CAUTION>
REPLACE THE
OPERATING BATTERIES!
If the batteries become weaker (the alarm or the key beep does not
sound),
the
power
may
go
off
during
operation
or
the
Organizer
may
fail to turn on. . |
The memory contents will still be retained by the memory backup
battery. |
Replace
the
operating
batteries
to
avoid
loss
or
alteration
of
data.
Before
removing
the
batteries
for
replacement,
record
important
infor-
mation on paper.
9.
Using
the
data
transfer
function
This Organizer can transfer data to and from the following models.
©
Other
ZQ-4450
Organizers
using
the
optional
CE-200L
or
CE-300L
cable.
Aes
3
®
The
1Q-8000,
!Q-7000,
ZQ-5000,
ZQ-3000,
ZQ-2000:
and
ZQ-6000
series
Organizers
using
the
optional
CE-200L
or
CE-300L
cable.
®
The
ZQ-1000,
EL-6100
series
and
EL-6260
Organizers
(including
Auto
Dialer)
using
the
optional
CE-220T
cable.
Transferable
data
varies
according
to
the
model
connected
to
the
Organizer.
Model
connected
Transferable
data
tothe
20-4450
|
scHEDULE
re
|
meno
topo
|
AMES
|
EXPENSE
10-8000 series
Yes
[Q-7000 series (1Q-8500M,
ZQ-5000 series 1Q-8400 —
ZQ-2000 series models only)
There
may
be
some
data
transfer
restrictions
between
these
models.
Before connecting the cable and transferring data between Or-
ganizers, turn off both units.

ZQ-4400
ZQ~4450
Notes:
* To interrupt data ane press s [ON].
e jt a connector is disconnected, or a similar problem occurs during
data. transfer, the message "I/O DEVICE: ERROR" my appear:
Press {|C-CE} to clear the error.
* After data transfer, the data on ihe trafisthitter is preserved.
e There may be a oe level difference between the connected
Should this c occur, readjust the contrast as required.
Wienteneidd: data between ZQ-4450
Organizers
Data in ) the SCHEDULE, ANNIVERSARY, TEL, MEMO, TO DO and
verified by mode (all entries in a mode or a directory ~ TEL. 1, TEL 2,
TEL 3) or by entry. In addition, data can be backed up.
Transferring data by mode or by entry
During mode transfer, data previously stored in the specified mode of
the receiver are deleted. Proceed with caution.
Note: When mode transfer is carried out in the TEL mode, all listings
in the specified directory will be transferred. (!n this case, the
directory file name is transferred at the same time.)
1. Select the mode on the transmitter and receiver.
SCHEDULE (Transmitter).
SCHEDULE] (Receiver)
2. Select the data transfer function on the receiver.
OPTION
3. Select "J RECEIVE" to set the unit in the receive mode.
2
7
<UNIT
TO
UNIT>
RECEIVING
MODE
4. Select the data transfer function on the transmitter.
Note: To transfer a single entry display the desired entry and
press OPTION].
_ 5. Select" J SEND" to transfer data. _
1
Notes:
e At the mode. of the. transmitter and the mode of the receiver are not
the same, data transfer is not established. The message "DATA
" ERROR" is displayed. -
When transferring TEL data, directories on the transmitter and
receiver can be different. The contents received by the receiver will —
be stored in' the open ‘directory, For example, if TEL 1 is selected
on the transmitter and TEL:3.on the receiver before the data
transfer is established, the contents of TEL 1 will be sent to and
stored in TEL 3. . \ ane
® Turn off the. SECRET Ffinedion on ‘both ‘the ransrier and the
Transferring
backup
data
Be
2
All the contenis of the Organizer are transferred. During backup data
transfer, data stored on the receiver are deleted. Proceed with cau-
tion. (Backup data transfer is only —— between identical
products.) :
1. Select the data transfer function on the receiver and.set it in the
receive mode for backup data transfer.
<UNIT TO UNIT>
2 |
BACKUP
RECEIVING
MODE
2. Select the data transfer function on the transmitter and perform
backup data transfer.
1
Verifying data
It is possible to verify data by mode or by entry. If any discrepancies
are found, the message "VERIFY ERROR" is displayed.
Verify data in the SCHEDULE mode.
1. Select the mode on the transmitter and the receiver.
SCHEDULE (Transmitter)
SCHEDULE] (Receiver)
2. Set the receiver in the verify mode.
<UNIT TO UNIT>
—VERIFYING-
3. Select the data transfer function on the transmitter.
[2nd] [OPTION]
Note: To verify an entry, display the entry to be verified and
press [2nd] [OPTION].
4. Perform verification.
1
Transferring data with another ZQ series
or lQ series Organizer
Data transfer restrictions
There are some restrictions when transferring data with any ZQ
series Organizer other than the ZQ-4450 or the [Q series Organizers
(previously shown). These restrictions result from differences in func-
tions and the maximum allowable size of an entry between the Or-
ganizers.
_ When transferring SCHEDULE data from 20-6000
series, IQ-8000, IQ-7000 or ZQ-5000 series : viens? Se
Organizers muh ea es
¢ Any alarms set on SCHEDULE data trensleriad ‘roth Hie 20-6000,
receiver before mode transfer.
¢ if the amount of memory’ available on n the receiver at the time of
transfer is insufficient, data transfer is not possible. The message
"MEMORY FULL” appears. Delete any unnecessary data, verify
whether the available memory is sufficient, and repeat the data
transfer procedure.
* fan error message appears while transferring data, press [C-CE]
to clear the error.
~ZQ-8000,1Q-7000-or-ZQ-5000-series- Organizers, regardless of
their precise setting time for specific event, will be. set to the
event's weal time on thé ZQ- sei

When transferring data from ZQ-6000 or 1Q-8000°
series Organizers
° When transferring an entry from the ZQ-6000 or 10-8000 Series to
the ZQ-4450, the maximum allowable size of the transferred entry
is as follows: a
TEL mode; a 837 characters, .
SCHEDULE mode: 523 characters
MEMO mode: 544 characters
- TQ DO mode: -. §30 characters
it an entry ae ee these limits is sent to the ZQ-4450, "I/O
2 AQR!:appears and the transfer will not be successful.
othe’ fmaxiaunr-nanber of characters that can be edited after an
entry is transferred to. the ZQ-4450 is 514 in the TEL mode and
512 in the SCHEDULE, MEMO and TO DO modes. Entries ex-
ceeding these limits can be displayed but cannot be edited. Those
exceeding 515 characters can neither be displayed nor edited.
Mode transfers from the ZQ-6000 series and IQ-8000 series can
be performed even when the maximum jength of an entry exceeds
the character limits specified above.. Howévér; to’ display arid edit
data, the number of characters must be within these limits. .
ZQ-4450; but are deléted once the edit mode is entered.
When transferring TO DO data from —— 7
series, i|Q-8500M or 1Q-8400 Organizers
® When a TO DO entry’ is: ‘transferred from the: ZO: 6000 s series or
IQ-8500M/IQ-8400 to the ZQ-4450, the contents of the date and
category fields are deleted and only the contents of the description
and priority fields are received.
When transferring TO DO data by mode from the ZQ- 6000 series
or 1Q-8500M/IQ-8400 to the ZQ-4450, entries are stored in the
ZQ-4450 without date or category field contents. If the transferred
data includes an entry with a date, the priority of all transferred
entries. will be. a space. The contents of the priority field are
received correctly only when none of the transferred entries con-
tain a date.
No data verification can be carried out.
When transferring data to and from ZQ-1000 series
Organizers
* All characters transferred from the ZQ-4450 are displayed in capi-
tal letters on the ZQ-1000 series. Characters and symbols that
cannot be displayed on the ZQ-100 series appear as ‘a.
EXPENSE data transferred between the ZQ-4450 and the: ZQ-
1000 series is stored on the receiving unit without payment type
data.
When transferring EXPENSE data by mode from the Z0- 1000
series to the ZQ-4450, an "I/O DEVICE ERROR" may occur. This
will occur when there is not enough memory space. to be assigned
as payment type data ‘area, which EXPENSE. data from the ZQ-
1000 series does not have. if the error occurs, delete unnecessary
TEL free ‘field contents can be received and displayed’ on the.
_ Transferring data-with.an EL series:
data on the. ZQ-4450 to increase free memory, then transfer the —
data again. Once.an "I/O. DEVICE ERROR" occurs, all EXPENSE
data transferred to. the ZQ- 4450 before the error is cleared,
When transferring EXPENSE data by mode from the ZQ-1000
series to the ZQ-4450, no data verification can be carried out.
ZQ=4400
ZQ-4450
2. Select the data transfer function on the receiver, ‘anid set it ‘in the
receive mode. at,
3. Select the data transfer function on the transmitter: and. perform
data transfer. 7
[2nd] [OPTION] 1
Notes:
¢ Follow the same steps to transfer data from another ZQ or an 1Q:
series Organizer. ;
- Notes described on page 4 also apply here. ae
When transferring data to/from another ZQ series or an IQ series
Organizer,
the
display
contrast
of
the
Rr
tate
Peart
triacs
when the units are connected: © ¢ - °''~
Verification,
Follow the steps exlaned i in | Transtering ¢ data between y 20-4460
Organizers"
above.
me
|
wf
: res Sat
2
a
Organizer (including Auto Dialer)
For the EL-6100 series Organizer, TEL data and SCHEDULE data
can be transferred. For He El.-6260 Auto plate, TEL: Gata can be
transferred. :
Data is transferred by mou ‘or by entry.
Data transfer restrictions
When
transferring
data
with
an
EL
series
Organizer
(including
the
Auto
Dialer),
the
following
restrictions
apply:
When transferring data to an EL series Organizer
° Transferred data is added to previously stored data.
¢ Data is transferred in the same mode and directory: *:
¢ Ifa transferred entry exceeds the maximum number of characters
-
that
can
be
entered
into
the
EL
series
Organizer
as
one
a
excess characters are deleted.
Characters
and
symbois
that
cannot
be
displayed
on
the
EL
series
Organizer
are
replaced
by
spaces.
If
all
the
columns
that
can
be
displayed
are
replaced
by
SpaCoe
the
corresponding
entry
is
not
stored.
All
letters
are
converted
to.
capital
letters
on
the
EL
series
Or-
ganizer.
lf
the
SECRET
function
is
turned
on
in
the
ZQ-4450,
only
non-
secret
data
can
be
transferred.
When transferring data from.an EL series Organizer
* The received data are added to previously stored data.
© All non- English characters are converted to ‘small letters.
¢
|f
the
SECRET
function
is
turned
on
in
the
EL.
series
Organizer,
only
non-secret
data
can
be
transferred.
Transferring data to an EL series Organizer —
Transfer
all
TEL
1
data
in
the
Organizer
to
TEL
1
in
the
EL
series
_ Organizer.
Transferring data by mode or by entry
Transfer the "ABC BANK" memo stored in the Organizer.
1. Recail the memo to be transferred on the transmitter.
Note: To perform mode transfer, select the mode by pressing the
mode key, and then press [C-CE}. It is not necessary to
display an entry.
1. Set the receiver in the receive mode.
2. Select the mode on the transmitter.
(Select the desired directory.)

ZQ-4400
ZQ-4450
3. Select the data transfer function on the transmitter.
[2nd] [OPTION].
Note: To transfer an entry, display the entry to be transferred and
press OPTION].
4. Perform data transfer.
1
® If the amount of memory available in the receiver at the time of
data transfer is insufficient, an error message appears. Delete any
unnecessary data, verify that there is sufficient memory available,
and repeat the procedure.
Transferring data from an EL series Organizer
1. Select the mode on the receiver.
2. Select the data transfer function on the receiver, and set it in the
receive mode.
3 Perform data transfer from the transmitter.
Exchanging data with a personal computer
With Sharp’s Organizer Link software and cable package, you can
exchange data with a personal computer. The link is made via the
4-pin computer-link port on the left side of the Organizer using an
interface cable to suit your computer. See the Organizer Link manual
for connection and software operating details.
Note: Sharp's Organizer Link software may not be available at the
time you purchase this Organizer. Check with your local
Sharp dealer concerning availability.
10. Reset procedure
When trouble occurs
An impact or a strong external electrical field may leave none of the
keys operational. Press the RESET switch on the back of the Or-
ganizer. |
The impact or external electrical field may erasé some or all of the
Organizer’s memory. |
Press the RESET switch with the tip of a ball-point pen or similar
object, but not anything breakable (like a pencil point or a needle).
All RESET operation |
lf a problem occurs after replacing the batteries, or if the Organizer
does. not function properly even after the above RESET operation,
perform the following:
1. While holding [ON], press the RESET switch on the back.
Release the RESET switch and then release [ON].
The following display will appear.
CLEAR ALL DATA
2. Press[_N_].
Returns to the initial display.
Caution: Do not press [ Y_]in step 2. Pressing will
delete all data stored in the Organizer and reset
the built-in clock.
11. Contrast adjustment
Adjust the display contrast to make the display easier to read.
1. Press [2nd] [FUNCTION].
FUNCTION >
MEMORY CHK
LCD
DATA DEL
eof]
2. Select "2 LCD CONT".
2
LCD CONT
Vv — DARK
A — LIGHT
3. Press [a] or [¥] to darken or lighten the display as required.
The amount of contrast will change continuously when either [A]
or [¥] is held. |
4. After adjusting the contrast, press [C-CE].
12.
Turning
the
"beep"
on
and
off
While" |S " is displayed, a "beep" will sound when a key is
pressed. To turn the "beep" on and off, press . The "beep"
will not sourid after" J§ " goes off. To turn the "beep" back on,
repeat the process. |

13. Difference between the ZQ-3000
series
® Display film calendar
@ type (The left end is Sunday.)
SUN MON TUE WED THU FR! SAT.
ZQ-4400
type (The left end is Monday.)
MON TUE WED THU. FRI SAT SUN
ZQ-4450
14. Note for servicing
@ Remove the battery cover.
1) Loosen screw.
2) Remove battery cover.
(Note) Screw is so constructed as not to be removed for preven- .
tion against missing.
Mm Remove the battery.
Caution
fabel
ZQ-4400
ZQ~-4450
té)
Caution
label
5) Remove caution label.
6) Remove the screw. | |
7) Remove battery protect, and remove the battery. (Backup side)
(Note) There is a screw beneath battery protect. When removing the
keyboard lower cabinet, battery protect must be removed.
15. Diag Specifications
1. Entering Diag mode
Keep pressing ON +'D keys and reset the machine, and the DIAG
menu display shown below will appear.
Pressing 0 cancels DIAG and returns to TEL 1 mode.
Pressing 1 starts the LCD check program.
Pressing 2 starts the PCB check (RAM check) program.
Pressing 3 starts the production process check program.
Pressing 4 starts the static electricity check program.
Pressing 5 starts the intermittent aging program.
Pressing 6 starts the low battery check program.
Pressing 7 starts the safety standard system communication pro-
gram. Pressing 9 turns OFF normally.
Mi LCD
PCB
SET
G@ EspD
Note: When entering the diag mode, user's data will be destroyed.
Be sure to back up the necessary data before entering the
diag mode.
PT AGING
G LB
‘i EMI
2. Diag contents
(1) When LCD is selected:
I, A frame is displayed in one dot width around the outer
peripheral of the LCD. (Pressing the Enter key goes to the next
screen.)
II. Zigzag pattern 1 is displayed. (Pressing the Enter key goes to
the next screen.)
Ill. Zigzag pattern 2 is displayed. (Pressing the Enter key goes to
the next screen.)
. The vertical line pattern is displayed. (Pressing the Enter key
goes to the next screen.)
3) Remove caution label.
4) Remove the battery. (MAIN side)

___.____ atthe full power.—
ZQ-+4400
ZQ-4450
V. The horizontal line pattern is displayed. (Pressing the Enter key
goes to the LCD density control check sereen:)
During displaying of the LCD check in T to. V, the density control
can be~performed with A and W keys. If possible, the most
appropriate density is automatically performed for each screen.
in the case of IT and IV, the following symbol will light.
BATT 30; 31: EDIT 2nd CAPS * [s} Ke 39 TA
In the case of 11 and V, the following symbols will light.
ED Ed
key goes to the menu display screen.)
After displaying the horizontal pattern, the. Lop denis is auto-
Weise adjusted.
t P wp aren &
may car
(2) Wheri PCB is selécted:
Wiring of (1) RAM is checked, and WRITE/READ of (2) A5h and
(3) 5Ah are performed for the whole RAM. area to perform;the RAM.
"bit failure check. After checking; the RAM’ capacity“is:displayed:“In
case of an NG, the check where the NG occurred is also displayed.
However, an error may caused by the defective device.
ox: During checking: «stove
End of Checking Normal
“RAM 128K
End of Checking (NG)
ae eg Pane eas
When the check is completed normally, press the Enter key to return
to the menu ‘display screen. In case of an error, press 2nd + CCE
keys to return.
(3) When SET is selected:
This item is for production process test, and is:not required for sérvic-.
ing.
(4) When ESD is selected:
This item is for production process test, and i is not reared hie servic-
ing.
(5) When PT AGING is selected:
The following procedures II to IV are repeated without stop. To ter-
minate, press the RESET key. When the battery voltage falls under
the CAUTION level, set the communication output port to HIGH. |
During this procedure, even sels displaying, the machine operates
The LCD density control check is performed. (Pressing the Enter
hy
Below:
in normal procedure, the display iskeptfor “""" °°”
RAM 32 Kbyte, about 72 sec
RAM 64 Kbyte, about 92-se¢e.
RAM 128 Kbyte, about 123 sec
RAM 256 Kbyté; ‘about 186 sec.
Then the operation goes to the next step“(under the normal key
waiting state). In case of an error, the aging is stopped at once.
The rough ratio of the operation and:the key waiting state is 1:
1.5.
- Normal |
OK
000013
_. Error _
NG
RAM CHK
| : 000001
_ This figure shows the loop number.
V. The RAM contents are reversed for every 100 times and the
operation goes to step Il.
(6) When LB is selected: | ae th ees. Re
I. The following display is given ne ‘the ee vet the t max. “cur.
rent is performed.
F eSiitied
’ a
When the battery voltage falls below the CAUTION level, the
following display is given and | Bumbo is lighted.
RUSE
I.
LB CHK.
ee CAUTION.”
When the battery voltage falls below. the FATAL level, the opera-
tion is turned off. Under this. staté, no key is valid. To terminate,
reset the machine. |
II.
(7)
When
EMI
is
selected:
pe
This item is for production process test, and is not required for sérvic-
ing...
-—
:
;
.
I. Abdh is written to the whole area of RAM.
II. The zigzag display is shown for 2 sec, and the reversed display
is shown for 2 sec.
The value written in the RAM is checked. At that time, the
reversed zigzag display is kept.
Required time: RAM 32 Kbyte, about 1.1 sec
RAM 64 Kbyte, about 2.1 sec
RAM 128 Kbyte, about 4.2 sec
RAM 256 Kbyte, about 8.4 sec
IIT.
ag
Su +
2 aeP :

16. Circuit Diagram
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DESCRIPTION
DESCRIPTION
,
S
in
Battery terminal @
acking cushion for inst. book
isplay sheet
ain PWB unit
.
eum
§
came
§
cams
|
swf
Buzzer spacer
PET reinforcing tap
PWB insulate sheet
Connector (4p
Battery terminal
Buzzer (EFB—S49CO2P
Capacitor (LOWV 100uF
Crystal (32.768KHz
Capacitor (25WV_ 0.10uF)
Diode (DAN202U) |
D
P
Diode (RB400D' | [D1]
HC(RHSRL30AA1)— rr —“‘s‘“(Csi‘“‘CS*SC*S~™C«SCS CY
HC (RHSRLSOAA1)— —(is—‘“‘“‘ WTC CCT
HIC(RH5VL40AA1) rr s—“‘s‘“;s*s‘“‘CCCCCCC«CBY
HC (SIOOSAFP10)——“—sws~s~—~—————C“(‘“C*SC*tCSCéCL C5 J
[Resistor (1/10W 00 +5%) st s—“‘CS™*C*C*C*C;C*C~C™C*CRRYJ CO
Resistor (1/10W 00 +5%) = ss — ts—“‘C;COCC#* RGSS CS
fResistor (1/10W 10MQ +5%) ss —(iti‘“;C™*SC*C*C ROB
Resistor (1/10W 12KOQ +5%) 7 [R4]
Resistor (1/10W 2200 +5% [R18]
OW 3.3KQ £5% R9,10
70 +5° a ae | [R1]}
/ 702° 4 —_ [R2]
Resistor (1/10W 82KQ +5%) | R3
PARTS CODE
PARTS CODE PRIC
ZQ—-4400
ZQ—-4450
Main PWB unit
3

i a a ne EN fh Rl eon we
AN Od | | a Date: Apr. 26, 1995
-
ELECTRONIC
ORGANIZER:
ZQ-4450/4450M
fe
No.
:
E0-070
a Tec
fo02
CHANGE IN LCD UNIT AND PWB UNIT
1.Model name: ZQ-4450/4450M
2.General: : When the key of the models listed above is depressed 3 times, the
calander display shifts out of position due to an error in the software.
To alleviate this problem, the ROM in the TCP has been changed. In
accordance with this change, the PWB unit and the LCD unit, which are offered
as service parts, have also been changed.
CPU
ROM
eo LCD-driver
RTC
TCP constitution
3.Parts changes:
Effec-
tive time
name
|
Version
|
P/G
No.
:
Parts
name
|
A DUNTK2140PCZZ | DUNTK2228PCZZ PWB-UNIT
20-4450 | 7ermany
:
N
ability
UK
DUNT-2142PCZZ DUNT-2228PC2ZZ LCD-UNIT | ’95/ ve |
DUNTK2126PCZZ DUNTK2230PCZZ PWB-UNIT | 95/2 Pe
ZQ-4450M | Germany
DUNT-2127PC2ZZ DUNT-2231PC2ZZ LCD-UNIT '95/2 Bey 4
1. Interchangeable. : 4. Not interchangeable.
2. Current type can be used in place of new type. : . d
| | t
New type cannot be used in place of current type. 5. interchangeable if replaced with same types of related parts in use
3. Current type cannot be used in place of new type. Baier : :
New type can be used in place of current type. — Rare :
Parts marked with eM" is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for
maintaining the safety and performance of the set.
<Interchange>
SHARP CORPORATION Personal Equipment Division

Date: Apr. 26,1995
No. : EQ-068
AG
CHANGE IN MODEL LABEL
1.Model name: ZQ-4450M
2.General: The model label has been changed due to a printing error concerning the
electrical consumption of the unit.
3.Parts changes:
_ Current parts New parts Inter-
Ref.| Model | version | P/GNo. | Curentpars Parts name Effec- | change-
0. name tive time =f
Price ability
Parts code Parts code
rank
1
Z0-44s0m| Germany| [1] “54 TLABM1239PC2Z TLABM1239PCO01 Model label pon] a | |
<Interchange>
4. Interchangeable. | 4. Not interchangeable.
2. Current type can be used in place of new type. . . ;
se.
New type cannot be used in place of current type. 5. interchangeable if replaced with same types of related parts in u
3. Current type cannot be used in piace of new type. 6. Others ;
New type can be used in place of current type. ; ;
Parts marked with Mh" is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for
maintaining the safety and performance of the set. :
~ SHARP CORPORATION Personal Equipment Division

Date: May. 8, 1995 |
ELECTRONIC ORGANIZER : YO-350/370, ZQ-4400/4450/4450M , No. : EO-072
a
Technical
Report
Vie
ADDITION OF A CHIP CAPACITOR
1.Model name: YO-350/370, ZQ-4400/4450/4450M
2.Genaral: A 2,200 PF chip capacitor has been added to the models listed above to
alleviate the problem of clock errors which had occurred.
psec Version | P/GNo. Parts name
Price
Parts code Parts code fark
reeens
ustralia
2Q-4400 New Zealand
1 The others
Germany ; ;
Z2Q-4450 England Pat | VOCCTV1HH222J | AB |Chip capacitor
ZQ-4450M cemary} — | = VCCCTV1HH222J | AB |Chip capacitor 94/11
<Interchange>
3. Parts changes:
VCCCTV1HH222J | AB |Chip capacitor
1. Interchangeable. 4. Not interchangeable.
2. Current type can be used in piace of new type. | ;
New type cannot be used in place of current type. 5. Interchangeable if replaced with same types of related parts in use.
3. Current type cannot be used in place of new type. 6. Others
New type can be used in place of current type. ; ,
Parts marked with A, "is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for
maintaining the safety and performance of the set.
VCCCTVIHH222J
SHARP CORPORATION _ Personal Equipment Division

Date: Aug. 4, 1995 —
ELECTRONIC ORGANIZER: ZQ-4450M | No. : EO-078
2 ‘
a
A
s
a
Fa
&
x
+:
& ;
3
Es
ja
A CHANGE TO THE OPERATION
MANUAL
2.General: For the models indicated above, a CE-Mark statement has been added to the
operation manual. This has been done in compliance with the regulations for
CE-Marks (safety labels)
1.Model Name: | ZQ-4450M
3.Part changes:
inter-
change-
abiltty
diag Model name} Version | P/G No. Parts name Effec-
0. : Price tive time
Parts code Parts code park
TINSF1197PCZZ TINSF1197PC01 ee
ZQ-4450M AN | Operation manual 'O5/6
. TINSG1182PCZZ TINSG1182PC01
<Interchange> |
1. Interchangeable. | 4. Not interchangeable.
2. Current type can be used in place of new type. ; in use
New type cannot be used in place of current type. | 5. Interchangeable if replaced with same types of related parts in u
3. Current type cannot be used in place of new type.
New type can be used in place of current type. ° = |
6. Others
Parts marked with “ N is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for
maintaining the safety and performance of the set.
SHARP CORPORATION es Personal Equipment Division