(WITHOUT PRICE)
SERVICE MANUAL
& PARTS LIST
REF. NO. S/M-573
OCTOBER 1997
QW-1637
MODULE NO.
R
A210 WE
INDEX
- 1 -
CONTENTS
1. SPECIFICATIONS : QW-1637
1. SPECIFICATIONS · · · · · · · · · · · · · · · · · · · · · · · · · · · 1
2. OPERATION CHART · · · · · · · · · · · · · · · · · · · · · · · · · 2
3. DRAWINGS
3-1. BLOCK DIAGRAM · · · · · · · · · · · · · · · · · · · · · · · · · 4
3-2. CHECKING TERMINALS AND COMPONENTS · · · · 5
3-3. N1~N4 PADS · · · · · · · · · · · · · · · · · · · · · · · · · · · · 5
3-4. ACCURACY SETTING SYSTEM · · · · · · · · · · · · · · · 5
4. EXPLODED VIEW · · · · · · · · · · · · · · · · · · · · · · · · · · · 6
5. PARTS LIST · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 7
6. PRECAUTIONS FOR REPAIR
6-1. AC (ALL CLEAR) · · · · · · · · · · · · · · · · · · · · · · · · · · 8
6-2. ACCURACY CHECKING · · · · · · · · · · · · · · · · · · · · 8
6-3. LINK REMOVAL OF EXPANSION BAND · · · · · · · · · 9
Function
· Electro-luminescent backlight
· 30 pages of telememo
8 letters and 12 numerals per page
Other: Auto sort function, remaining memory display
· 1/100 sec. stopwatch
Measuring capacity: 23;59'59.99"
Measuring mode: Elapsed time, split time, 1st-2nd place times
· Countdown alarm
Input range: 1 min. to 24 hrs.
Unit: 1 sec.
Other: Auto-repeat function
· 5 multi-function alarms (with reminder text display)
· Hourly time signal
· Dual time
· Regular time keeping: Hr, min, sec, am/pm, year, month, date, day
· Auto-calendar (pre-programmed until the year 2039)
· 12/24-hour formats
Item
Detail
Item
Detail
Battery
CR1616
Accuracy
±30sec./month
Battery life
Approx. 24 months
Accuracy setting system
Selected Capacitor/Chip
Current consumption
1.56
µA maximum
Accuracy checking
See page 8
Alarm system
Piezo plate on Back cover
Accuracy setting
Unadjustable
CG1
- 2 -
2. OPERATION CHART : QW-1637
The Telememo Mode lets you store up to 30 pairs of name
and telephone number data. Data is automatically sorted
based on the characters of the name. You can recall data
by scrolling through it on the display.
·
See the "CHARACTER LIST" at the back of this manual
for details on how the watch sorts data.
·
The data item on the display when you exit the
Telememo Mode appears first the next time you enter
the Telememo Mode.
To edit Telememo data items
1. In the Telememo Mode, scroll through the data items and display the one you want to edit.
2. Press
and a cursor appears in the text area.
3. Use
to move the cursor to the character you want to change.
4. Change the character.
·
See "How to input characters" for details.
5. After making the changes that you want, press
to store it and return to the Telememo
Mode.
To delete Telememo data
1. In the Telememo Mode, scroll through the data items and display the one you want to delete.
2. Press
and a cursor appears in the text area.
3. Press
and
at the same time to delete the data item.
·
At this time the cursor appears in the text area, ready for input.
4. Input data or press
to return to the Telememo Mode.
ALARM MODE
You can set five independent alarms with the hour,
minutes, month and date. You can even input text that
appears on the display to remind you of the purpose of
each alarm. Use the Alarm Mode to turn the alarm and the
Hourly Time Signal on and off.
·
When an alarm is turned on, an alarm tone sounds for
20 seconds when the preset time is reached.
·
When the Hourly Time Signal is turned on, the watch
beeps every hour on the hour.
To input new Telememo data
1. In the Telememo Mode, press
or
until the new
data display appears.
·
The new data display is the one that is blank (contains
no name and telephone number).
·
If there is no Telememo data stored in memory yet, the
new data display appears as soon as you enter the
Telememo Mode.
2. Press
and a cursor appears in the text area.
3. Input a name in the text area and a telephone number
in the number area.
Use
and
to input characters, and
to move the
cursor around the display.
For details, see "How to input characters".
·
Press
to change from mode to mode. After you perform an operation in any mode,
pressing
returns to the Timekeeping Mode.
TIMEKEEPING MODE
· In the Timekeeping Mode, press
to switch
between the 12-hour and 24-hour formats.
To set the time and date
1. Press
while in the Timekeeping Mode.
The seconds digits flash on the display because they
are
selected.
2. Press
to change the selection in the following
sequence.
Alarm Types
The types of alarm you get depends on the information you set.
· To set a Daily alarm
Set the hour and minutes for the alarm time. Set
xx for the month and date (see step 4 under
"To set alarms"). This type of setting causes the alarm to sound every day at the time you set.
· To set a Date alarm
Set the month, date, hour and minutes for the alarm time. This type of setting causes the alarm
to sound at the specific time, on the specific date you set.
· To set a 1-Month alarm
Set the month, hour and minutes for the alarm time. Set
xx for the date (see step 4 under "To
set alarms"). This type of setting causes the alarm to sound every day at the time you set, only
during the month you set.
· To set a Monthly alarm
Set the date, hour and minutes for the alarm time. Set
xx for the month (see step 4 under "To
set alarms"). This type of setting causes the alarm to sound every month at the time you set, on
the date you set.
To set alarms
1. Press
while in the Alarm Mode to select Alarm 1 through Alarm 5.
2. After you select an alarm, press
. The hour digits flash on the display because they are
selected.
·
At this time, the alarm is automatically switched on.
3. Press
to change the selection in the following sequence.
* There are eight spaces in the text, so you have to press
eight times to move to the Hour
setting.
4. Press
to increase the selected digits and
to decrease them. Holding down either button
changes the selection at high speed.
·
To set an alarm that does not include a month (daily alarm, monthly alarm), set xx for the
month. Press
or
until the xx mark appears (between 12 and 1) while the month digits
are flashing.
·
To set an alarm that does not include date (daily alarm, 1-month alarm), set xx for the date.
Press
or
until the xx mark appears (between 31 and 1) while the date digits are
flashing.
·
The format (12-hour and 24-hour) of the alarm time matches the format you select for normal
timekeeping.
·
When setting the alarm time using the 12-hour format, take care to set the time correctly as
morning (no indicator) or afternoon P.
5. If you want to input reminder text, first use
to move the cursor to the text area of the
display and then input text.
Use
and
to input characters, and
to move the cursor around the display. For details,
see "How to input characters".
·
You can input up to eight characters in the text area.
·
Anytime while the cursor is on the display, you can press
and
at the same time to clear
it.
3. While the seconds digits are selected (flashing), press
to reset the seconds to 00 . If you
press
while the seconds count is in the range of 30 to 59, the seconds are reset to 00 and
1 is added to the minutes. If the seconds count is in the range of 00 to 29, the minutes count
is unchanged.
4. While any other digits (besides seconds) are selected (flashing), press
to increase the
number or
to decrease it.
·
Holding down either button changes the current selection at high speed.
·
When the 12-hour format is selected, the indicator P appears on the display to indicate "p.m."
times. There is no indicator for "a.m." times. Selecting the 24-hour format causes the
indicator 24 to appear on the display.
5. After you set the time and date, press
to return to the Timekeeping Mode.
·
The day of the week is automatically set in accordance with the date.
·
The date can be set within the range of January 1, 1995 to December 31, 2039.
·
If you do not operate any button for a few minutes while a selection is flashing, the flashing
stops and the watch goes back to the Timekeeping Mode automatically.
ABOUT THE BACKLIGHT
In any mode, press
to illuminate the display for about two seconds.
·
The backlight of the watch employs an electro-luminescent (EL) light, which loses illuminating
power after very long use.
·
The illumination provided by the backlight may be hard to see when viewed under direct
sunlight.
·
The watch will emit an audible sound whenever the display is illuminated. This is caused by a
transistor that vibrates when the EL panel lights up. It does not indicate malfunction of the
watch.
·
The backlight automatically stops illuminating whenever an alarm sounds.
TELEMEMO MODE
Alarm Mode
Timekeeping Mode
Telememo Mode
GENERAL GUIDE
(Mode)
(Light)
Seconds
PM indicator
Hour
Minutes
Day of week
Year
Month-Date
Seconds
Hour
Minutes
Date
Month
Year
Telephone number
Name
Remaining
memory
Mode
indicator
[New Data Display]
Text area
Cursor
·
You can input up to eight characters in the text area, and 12 digits in the number area.
·
Make sure that you distinguish between the letter O and the number 0 (zero). Inputting a
zero for the letter O will affect automatic sorting.
4. After inputting your data, press
to store it and return to the Telememo Mode.
·
When you press
to store data, the message
SORT
appears on the display for a few
seconds. After the sort operation is complete, the normal Telememo Mode display (without
the cursor) appears.
·
The text area of the display can show only six characters at a time, so longer text scrolls
continuously from right to left.
·
If the message
FULL
appears in the text area of the display, it means that memory is
full. To store more data, you will first have to delete some of the data stored in memory.
To recall Telememo data
In the Telememo Mode, press
to scroll forward through stored data items or
to scroll in
reverse.
·
Holding down either button scrolls through the data at high speed.
Mode
indicator
Hour
Minutes
Alarm on indicator
Alarm No.
Month-Date
Text area
Alarm 1
Alarm 2
Alarm 3
Alarm 4
Hourly Time Signal
Alarm 5
Hour
Minutes
Month
Text
*
Date
·
In any mode press
to illuminate the display for about two seconds.
·
Some watch models have a standard black-on-white display, while others have a white-on-
black display. All displays in this manual are shown as black-on-white.
Dual Time Mode
Countdown Alarm Mode
Stopwatch Mode
Number area
C
C
C
C
C
C
C
C
C
C
C
M
M
M
M
M
M
M
M
M
L
L
B
B
C
B
C
B
B
B
B
B
B
B
B
A
A
A
A
A
A
A
A
A
A
- 3 -
INPUTTING TEXT
The following describes how to input text in the Telememo Mode and Alarm Mode. It also
provides details of how text is produced in the text area of the display.
How to input characters
1. When the cursor is blinking in the text area, use
and
to scroll through the available letters, numbers and
symbols, in the following sequence.
·
Holding down either button scrolls through at high
speed.
2. When the character you want at the cursor position is shown, press
to move the cursor to
the right.
3. Repeat steps 1 and 2 until your text is complete.
·
The text area in the Telememo Mode can hold up to eight characters. When the cursor is
located at the eighth space of the text area in this mode, moving the cursor to the right
causes it to jump down to the first digit in the number area. When the cursor is at the 12th
digit of the number area, moving it to the right causes it to jump back up to the first character
of the text area.
·
You can input only numbers and spaces in the number area. Each press of
or
changes
the input at the current cursor location in the following sequence:
(space)
A to Z0
to 9
-
.
6. After you finish inputting data, press
to return to the Alarm Mode.
·
If you input reminder text, the text appears on the display when the alarm time is reached.
·
Note that reminder text appears only if the watch is in the Timekeeping Mode when the alarm
time is reached. Otherwise, only the alarm tone sounds (without the reminder text).
To stop an alarm once it starts to sound
Press any button to stop an alarm when it starts to sounds. The reminder text for the alarm (if
any) will remain in the text area of the display for about 20 seconds.
To switch an Alarm and Hourly Time Signal on and off
1. In the Alarm Mode, press
to select an alarm or the Hourly Time Signal.
2. When the alarm or Hourly Time Signal you want to is selected, press
to switch it on and
off.
x Indicates alarm is ON
y Indicates Hourly Time Signal is ON
·
If any alarm is on, the Alarm On Indicator is shown on the display when you change to
another mode.
To test the alarm
Hold down
while in the Alarm Mode to sound the alarm.
DUAL TIME MODE
The Dual Time function of this watch lets you keep track of
time in a different time zone.
·
In the Dual Time Mode, the seconds count is
synchronized with the seconds count of the
Timekeeping Mode.
·
In the Dual Time Mode, press
to switch between the
12-hour and 24-hour formats.
To set the Dual Time
1. Press
while in the Dual Time Mode. The hour digits
flash on the display because they are
selected.
2. Press
to change the selection in the following
sequence.
Seconds
Mode indicator
Minutes
Hour
Month-Date
Hour
Date
Minutes
Month
3. Press
to increase the selected digits and
to decrease them. Holding down either
button changes the selection at high speed.
4. After you set the time, press
to return to the Dual Time Mode.
COUNTDOWN ALARM MODE
The countdown timer can be set within a range of 1
minute to 24 hours. When the countdown reaches zero,
an alarm sounds for 10 seconds or until you press any
button.
Note that you can also select auto repeat timing that
automatically restarts the countdown from the original
value you set whenever zero is reached.
To set the countdown start time
1. Press
while in the Countdown Alarm Mode. The
hours digit flashes on the display because it is
selected.
2. Press
to change the selection in the following
sequence.
Seconds
Mode indicator
Minutes
Hours
Current time
Hours
Minutes
3. Press
to increase the selected number. Holding down
changes the selection at high
speed.
·
To set the starting value of the countdown time to 24 hours, set 0:00 .
4. After you set the countdown start time, press
to return to the Countdown Alarm Mode.
To use the countdown timer
1. Press
while in the Countdown Alarm Mode to start the countdown timer.
2. Press
again to stop the countdown timer.
·
You can continue countdown timer operation by pressing
.
3. Stop the timer and then press
to reset the countdown time to its starting value.
·
When the end of the countdown is reached and auto repeat timing is off, the alarm sounds for
10 seconds or until you stop the alarm by pressing any button. Countdown timing stops, and
the countdown time is automatically reset to its starting value after the alarm stops.
To switch auto repeat timing on and off
1. Press
while in the Countdown Alarm Mode. The
hours digit flashes on the display because it is
selected.
2. Press
to switch auto repeat on and off.
3. Press
to return to the Countdown Alarm Mode.
·
When the end of the countdown is reached while auto
repeat is on, the alarm sounds, but the countdown
restarts from the beginning without stopping. You can
stop the countdown by pressing
and manually reset
to the start time by pressing
.
Auto repeat on indicator
STOPWATCH MODE
The Stopwatch Mode lets you measure elapsed time, split
times, and two finishes. The range of the stopwatch is 23
hours, 59 minutes, 59.99 seconds.
Current time
Seconds
Hours
Minutes
Mode indicator
1/100 second
(a) Elapsed time measurement
Start
Stop
Re-start
Stop
Clear
(b) Split time measurement
Start
Split
Split release
Stop
Clear
(c) Split time and 1st-2nd place times
Start
Split
Stop
Split release
Clear
First runner
Second runner
Record time
finishes.
finishes.
of second
Record time of
runner.
first runner.
Number area
Text area
Cursor
·
If you do not perform any button operation for about two or three minutes while the cursor is
on the display, the watch automatically returns to the normal data display (the cursor
disappears).
How the text display scrolls
The text area of the display can show only six characters at the time, so longer text scrolls
continuously from right to left.
MEETING<MEE
Continuously scrolls
Text area
Last letter of text
Separator (inserted automatically)
CHARACTER LIST
1
(space)
11
J
21
T
31
3
2
A
12
K
22
U
32
4
3
B
13
L
23
V
33
5
4
C
14
M
24
W
34
6
5
D
15
N
25
X
35
7
6
E
16
O
26
Y
36
8
7
F
17
P
27
Z
37
9
8
G
18
Q
28
0
38
-
9
H
19
R
29
1
39
.
10
I
20
S
30
2
0 to
(space)
Press
Press
9
x
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
M
M
M
B
C
C
B
B
C
C
C
C
B
B
B
B
B
B
B
B
B
B
B
B
B
B
A
A
A
A
A
A
A
- 4 -
3. DRAWINGS : QW-1637
3-1. BLOCK DIAGRAM
1
25
30
26
C1
C2
C3
C4
C5
31C4
31C5
52C5
52C3
51C5
50C3
48C3
43C3
40C3
37C3
34C3
37C2
34C2
37C1
34C1
49C2
47C2
43C2
40C2
49C1
48C1
43C1
40C1
45C1
51C2
45C2
52C2
52C4
50C2
48C2
42C2
39C2
44C2
41C2
38C2
35C2
36C2
33C2
50C1
47C1
42C1
39C1
44C1
41C1
38C1
35C1
36C1
33C1
48C1
46C2
49C3
47C3
46C4
51C4
45C4
51C3
46C3
44C3
49C5
45C3
47C5
45C5
42C3
44C4
42C5
43C4
42C4
43C5
44C5
41C3
41C5
39C4
36C4
41C4
40C4
40C5
39C5
38C3
35C3
33C3
38C5
37C5
34C5
33C5
31C3
39C3
36C3
33C4
37C4
34C4
32C2
38C4
35C4
32C3
36C5
35C5
32C5
46C5
49C4
47C4
50C4
50C5
48C5
48C4
52C1
51C1
L1
L6
L7
L8
L9
L10
L11
L12
L13
L14
L15
L16
L17
L18
L19
L20
L21
L22
L23
L24
L25
LC1
LC2
LC3
LC4
LC5
L2
L3
L4
L5
L52
L47
L46
L45
L44
L43
L42
L41
L40
L39
L38
L37
L36
L35
L34
L33
L32
L31
L30
L29
L28
L27
L26
L51
L50
L49
L48
Xtal
C1
C3
Tns
EL
Tr2
TB
TE
SE
SF
BACK
FRONT
PE
PF
R
C6
S1
S4
S3
1. Not bonding.
2. Not used no QW-1637
XTB
BD2
XT
CG2
CG1
KC1
L1~L52
LSI
TOTAL
BONDING
87PINS
82PINS
N1
N2
N3
KI8
KI7
KI6
KI1
KI2
KI3
SL
S2
KI4
KI5
BAT
C5
+
L
BD1
PZ
V
Tr
VSS3
C2
VSS1
C4
VCH
VCC
VC
VSS2
LC1~LC5
1
2
2
1
KC2
1
KC3
1
KC4
1
N4
AC
T1
VDD
LD
Tr3