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MODULE NO.
R
REF. NO. S/M-542
OCTOBER 1996
QW-1569/1578
MRG-100
(QW-1569)
BG-200C
(QW-1578)
SERVICE MANUAL
& PARTS LIST
(WITHOUT PRICE)


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1. SPECIFICATIONS
Detail
QW-1569
QW-1578
Battery
CR1216
CR1220
Battery life
Approx. 1.25 years
Current consumption
2.71
µA maximum
Alarm system
Piezo plate on Back cover
Accuracy
±15 sec./month
Accuracy setting system
Trimmer capacitor
Accuracy checking
See page 12
Accuracy setting
+0.25 ~ +0.35 sec./day
Functions
QW-1569
· Shock resistant (G-SHOCK)
· Electro-luminescent backlight
· Stopwatch
Measuring unit: 1/100 sec. (for the first 60 min.)
Measuring capacity: 23:59'59"
Measuring mode: Net time, split time, 1st-2nd place times
· Countdown alarm
Input range: 1 sec. to 24 hr.
Unit: 1 sec.
Other: Auto-repeat function, repeat function
· Regular timekeeping: Hr, min, sec, pm, mo, date, day
· Auto-calendar (Pre-programmed until the year 2039)
· Multi-function alarm
· Hourly time signals
· 12/24-hour formats
QW-1578
· Shock resistant
· Electro-luminescent backlight
· Name display function (up to 8 letters)
· Stopwatch
Measuring unit: 1/100 sec.
Measuring capacity: 23:59'59.99"
Measuring mode: Net time, split time, 1st-2nd place times
· Countdown alarm
Input range: 1min. to 60 min.
Unit: 1 sec.
· Regular timekeeping: Hr, min, sec, am/pm, mo, date, day
· Auto-calendar (Pre-programmed until the year 2039)
· Daily alarm
· Hourly time signals
· 12/24-hour formats
Item
1 sec. (after 60 min.)
CONTENTS
1. SPECIFICATIONS ......................................................................................... 1
2. OPERATION CHART
2-1. MODULE QW-1569 ............................................................................................
2
2-2. MODULE QW-1578 ............................................................................................
3
3. DRAWINGS: MODULE QW-1569/1578
3-1. BLOCK DIAGRAM .............................................................................................
5
3-2. CHECKING TERMINALS AND COMPONENTS: MODULE QW-1569/1578 ....
7
4. EXPLODED VIEW: MODULE QW-1569/1578 ............................................... 9
5. PARTS LIST: MODULE QW-1569/1578 ...................................................... 10
6. PRECAUTIONS FOR REPAIR: MODULE QW-1569/1578
6-1. AC (ALL CLEAR) ............................................................................................
11
6-2. ACCURACY CHECKING ................................................................................
12


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2. OPERATION CHART
2-1. MODULE QW-1569


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2-2. MODULE QW-1578


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