Casio QW-2351 Troubleshooting guide

SERVICE MANUAL
& PARTS LIST
(WITHOUT PRICE)
QW-2351
MODULE NO.
R
REF. NO. S/M-695
MAY. 2000
BG-21

— 1 —
Module (Movement) No. QW-2351
Battery SR-621SW
Battery Life Approx. 2 years
Current consumption 1.43 µA (Max.)
Accuracy (Normal temperature) ±20 sec./month
Accuracy setting system Pattern cutting system
Accuracy setting (Trimming system) Unadjustable
Drive system Single stator type pulse motor
Functions • Shock resistant
• Regular timekeeping
Analog: 3 hands (Hr, min, sec)
1. SPECIFICATIONS: QW-2351
Item Detail
CONTENTS
Page
1. SPECIFICATIONS: QW-2351..................................................................... 1
2. OPERATION CHART: QW-2351................................................................ 2
3. EXPLODED VIEW: QW-2351..................................................................... 3
4. PARTS LIST: QW-2351.............................................................................. 4

— 2 —
2. OPERATION CHART: QW-2351
■For watch with the elapsed time bezel
Rotate the elapsed time bezel to align the mark with the
minute hand.
After certain amount of time elapsed, read the graduation
on the elapsed time bezel which the minute hand points to.
The elapsed time is indicated.
Pull the crown out. Set the hands by turning the crown in
either direction. Push the crown in on a time signal.
Crown
Elapsed
time bezel
• Some water resistant models are equipped with a screw
lock crown.
• With such models, you must unscrew the crown in the
direction noted in the illustration to loosen it before you
can pull it out. Do not pull too forcibly on such crowns.
• Also note that such watches are not water resistant while
their crowns are loosened. Be sure to screw the crowns
back in as far as they will go after making any setting.
TO SET TIME

— 3 —
3. EXPLODED VIEW: QW-2351
613 (7436 9666)
715 (7436 9589)
912 (7435 8277)
86 (7436 9547)
220 (7438 1874)
117 (7435 8417)
4Crown with stem
3Battery (SR-621SW)
512 (7435 8277)
Disassembling order: 1~
Assembling order :
~1
3 (1003 1198)
13
10 (7436 9512)
14
22 (7438 1860)
16
19 (7436 9540)
17
24 (7436 9617)
20
18 (7438 1846)
23
14 (7436 9582)
28
29
29
26
27
25
29
Lubrication Oil Moebius 9010 or 9030
21 (7438 1867)
4 (7436 9554)
5 (7436 9631)
24
8 (1003 1195)
18
9 (7436 9638)
22
1 (7436 9498)
21
23 (7438 1881)
19
25 (7438 1853)
15
2 (7436 9505)
11
16 (7436 9575)
12
11 (7436 9652)
10
7 (7436 9659)
Grease Moebius 8200 or 8300

4. PARTS LIST: QW-2351
N
ote: 1. Prices and specifications are subject to change without prior notice.
2. Spare parts are classified as follows according to their importance in after-sales service.
A Rank ----------------------------- Very Important
B Rank ----------------------------- Important
C Rank ----------------------------- Less important
3. Batteries in Bulk pack on the tray will be supplied from our Overseas Spare Parts Section under charge basis.
Batteries in Blister pack will be supplied from our Sales Department.
4. As for order/supply of spare parts, refer to the separate publication "GUIDE BOOK for spare parts supply".
Item Code No. Parts Name Specification Applicable Q R
1001 3462 MODULE/WITH MOVEMENT QW-2351-01 (R-3D1L-201) BG-21B-2BV/3BV/4BV/6BV/8BV 1 A
1 7436 9498 BRIDGE/CANNON PINION 5D3A601 QW-2351-01 1 C
2 7436 9505 BRIDGE/TRAIN WHEEL 5D3A701 QW-2351-01 1 C
3 1003 1198 COIL ASS'Y 8J010881A QW-2351-01 1 A
4 7436 9554 LEVER/RESET 5D3J301 QW-2351-01 1 C
5 7436 9631 LEVER/SETTING 5D3R601 QW-2351-01 1 C
6 7436 9547 LEVER/STOP 5D3I901 QW-2351-01 1 C
7 7436 9659 PCB ASS'Y 5D3J401 QW-2351-01 1 A
8 1003 1195 PLATE/INSULATION 4D2L202 QW-2351-01 1 C
9 7436 9638 ROTOR 5D34J01 QW-2351-01 1 B
10 7436 9512 SCREW D7010 QW-2351-01 1 C
11 7436 9652 SCREW D7011 QW-2351-01 1 C
12 7435 8277 SCREW D6005 QW-2351-01 2 C
13 7436 9666 SCREW D7012 QW-2351-01 1 C
14 7436 9582 STATOR 4D2M101 QW-2351-01 1 C
15 7436 9589 SUPPORTER/PCB ASS'Y 4D20I01 QW-2351-01 1 C
16 7436 9575 TERMINAL/BATTERY (–) 5D3L601 QW-2351-01 1 C
17 7435 8417 WASHER 2A1S801 QW-2351-01 1 C
18 7438 1846 WHEEL/CANNON PINION 5D1C602 QW-2351-01 1 B
19 7436 9540 WHEEL/FIFTH 5D3H501 QW-2351-01 1 B
20 7438 1874 WHEEL/HOUR 5D1Q205 QW-2351-01 1 B
21 7438 1867 WHEEL/MINUTE 5D3Q102 QW-2351-01 1 B
22 7438 1860 WHEEL/SECOND 5D1D202 QW-2351-01 1 B
23 7438 1881 WHEEL/SETTING 5D32R02 QW-2351-01 1 B
24 7436 9617 WHEEL/SETTING 5D33R01 QW-2351-01 1 B
25 7438 1853 WHEEL/THIRD 5D3C902 QW-2351-01 1 B
BATTERY/SILVER OXIDE SR621SW QW-2351-01 1
For the prices and minimum order/supply quantities of the above parts, refer to the Parts Price List P.P.L.-558.
Notes: Q – Used quantity
R – Rank
— 4 —

CASIO TECHNO CO.,LTD.
Overseas Service Division
Nishi-Shinjuku Kimuraya Bldg. 1F
5-25, Nishi-Shinjuku 7-Chome
Shinjuku-ku, Tokyo 160-0023, Japan