MODULE NO.
R
REF. NO. S/M-543
OCTOBER 1996
QW-1746/1756
ABX-642SG
(QW-1746)
ABX-632SG
(QW-1756)
SERVICE MANUAL
& PARTS LIST
(WITHOUT PRICE)
CONTENTS
1. SPECIFICATIONS ......................................................................................... 1
2. OPERATION CHART
2-1. MODULE QW-1746 ............................................................................................
2
2-2. MODULE QW-1756 ............................................................................................
4
3. DRAWINGS: MODULE QW-1746/1756
3-1. BLOCK DIAGRAM .............................................................................................
6
3-2. CHECKING TERMINALS AND COMPONENTS: MODULE QW-1746/1756 ....
8
3-3. ACCURACY SETTING SYSTEM .......................................................................
8
4. EXPLODED VIEW: MODULE QW-1746/1756 ............................................... 9
5. PARTS LIST: MODULE QW-1746/1756 ...................................................... 10
6. EXPLODED VIEW: ANALOG BLOCK OF QW-1746/1756 ......................... 11
7. PARTS LIST: ANALOG BLOCK OF QW-1746/1756 .................................. 12
8. PRECAUTIONS FOR REPAIR: MODULE QW-1746/1756
8-1. AC (ALL CLEAR) AND REMOVING OF MODULE ........................................
13
8-2. HOW TO REMOVE THE CROWN WITH STEM .............................................
13
8-3. ACCURACY CHECKING ................................................................................
14
8-4. NOTICE WHEN REPLACING THE MODULE,
CASE ASS'Y OR THE CROWN WITH STEM ................................................
14
-- 1 --
1. SPECIFICATIONS
Detail
QW-1746
QW-1756
Battery
SR1120W
× 2
Battery life
Approx. 2 years
Current consumption
1.96
µA maximum
1.86
µA maximum
Alarm system
Piezo plate on Back cover
Accuracy
±20 sec./month
Accuracy setting system
Pattern cutting method (P1~P5)
Accuracy checking
See page 13
Accuracy setting
Unadjustable
Functions
QW-1746
· Electro-luminescent backlight
· 50 pages of Telememo
8 letters and 12 numerals per page
Auto sort function
· 1/100 sec. stopwatch
Measuring capacity: 23:59'59.99"
Measuring mode: Net time, split time, 1st-2nd place times
· Hourly time signals
· 12/24-hour formats
· Auto display function
· Regular timekeeping:
(Analog)
Hour, minute and second hands
(Digital)
Hr, min, sec, pm, yr, mo, date, day
· Auto-calendar
pre-programmed until the year 2039
· 5 multi-function alarms
QW-1756
· Electro-luminescent backlight
· 50 pages of Telememo
8 letters and 12 numerals per page
Auto sort function
· 1/100 sec. stopwatch
Measuring capacity: 23:59'59.99"
Measuring mode: Net time, split time, 1st-2nd place times
· Hourly time signals
· 12/24-hour formats
· Auto display function
· Regular timekeeping:
(Analog)
Hour, minute and second hands
(Digital)
Hr, min, sec, am/pm, yr, mo, date, day
· Auto-calendar
pre-programmed until the year 2020
· Daily alarm
· Calender
Full month calendars from January 1996 December 2020.
Item
-- 2 --
2. OPERATION CHART
2-1. MODULE QW-1746
-- 3 --