TMI Products VJ76B Installer manual
ANALOGUE QUARTZ
TECHNICAL GUIDE
&
PARTS CATALOGUE
Cal.VJ76B
01032021
Version-01
Cal.VJ76B
φ26.40 mm
23.50 mm ：between 12 o'clock and 6 o'clock sides
23.50 mm ：between 3 o'clock and 9 o'clock sides
φ25.60 mm
23.50 mm ：between 12 o'clock and 6 o'clock sides
21.90 mm ：between 3 o'clock and 9 o'clock sides
SPECIFICATION
Movement
size
1
Movement
Casing diameter
Total height
Time indication
Driving system
Less than ± 20 seconds at normal temperature range
32,768 Hz
Step motor （Load compensated driving pulse system type）
Loss/Gain (Monthly rate)
Frequency of crystal oscillator
Antimagnetic
≧1600 A/m
Additional mechanism
Cal. No.
Item
Outside diameter
VJ76B
3.50 mm
(including the battery)
3 Hands Big date calendar
Electronic circuit reset switch
Second setting device
Date setting
Jewels
0 Jewel
- 5 ℃～+ 50 ℃
Regulation system
Nil
Operational temperature range
Battery
SR621SW (Silver oxide battery)
Battery life is approximately 3 years
Measuring gate by quartz tester
Use 10 second gate
* Set the winding stem with crown at the normal position
Version-01
Cal.VJ76B
Disassembling procedures Figs.
① → ㉞ Lubricating : Types of oil
Oil quantity
Moebius 9010 NORMAL QUANTITY
Reassembling procedures Figs. ㉞
→ ① Moebius 9030
Hour, minute and second hands
Dial
0963 230
Snap for day star with dial disk
*Second date indicator
0683 181
0817 181 Positioning lever
Intermediate date wheel 0595 181
Calendar corrector lever
0808 181
Date dial guard
*First date indicator
0810 890 0962 181
Date jumper Second intermediate wheel for
calendar corrector
0802 175 0273 033
Date driving wheel Hour wheel
*Refer to page 4 for each parts code
PARTS CATALOGUE
<<VJ76B>>
②
③
2
⑨
⑪
④
①
⑦
⑩
⑫
⑤
⑥
⑧
⑬
Version-01
Cal.VJ76B
Disassembling procedures Figs.
① → ㉞ Lubricating : Types of oil
Oil quantity
Moebius 9010 NORMAL QUANTITY
Reassembling procedures Figs. ㉞
→ ① Moebius 9030
Battery 4004 303
Circuit block with coil block
0351 332
Winding stem
0016 121 0144 144
Screw for battery Fourth wheel and pinion
connection (+) 4268 063 0231 066
Battery connection(+) Third wheel and pinion
0701 170 0033 219
Fifth wheel and Reset pin
pinion 0962 175
4146 126 First intermediate wheel
4216 088
Step rotor
for calendar corrector
Insulator 4239 062 ㉙0391 041
Rotor stator
Train wheel setting
lever
4270 385
Battery connection (-) 0033 220
Pin for setting wheel
0281 041
Setting wheel 0261 291
Minute wheel and
pinion
0221 071
Center wheel and 0282 089
pinion Clutch wheel
0125 297
Train wheel bridge
*1 Oiling position *2 Oiling position
㉘
⑳
3
㉗
㉞
㉚
㉜
㉝
㉖
PARTS CATALOGUE
⑭
⑮
㉑
㉔
㉒
㉓
㉕
⑯
⑰
⑱
⑲
㉛
*1
*2
Version-01
Cal.VJ76B
Remarks:
O Date indicator
*All parts code are subject to change without notice.
Part code
12H
Black
Black
White
White
PARTS CATALOGUE
Position of
crown
Position of
Date frame
Color of figure
4
Color of
background
First date indicator
Second date indicator
0878 123
0878 125
0878 127
0878 178
3H
3H
6H
Version-01
Cal.VJ76B
The explanation here is only for the particular points of Cal.VJ76B
Ⅰ.STRUCTURE OF THE CIRCUIT BLOCK
Notes: Since the circuit block and coil block are made by one piece, in disassembling and
reassembling take care not to cut the coil line.
Crystal unit
Input terminal(+)
C-MOS-IC
Coil block
Input terminal(-)
Ⅱ. REMARKS ON DISASSEMBLING AND REASSEMBLING
①Hands
・How to install
Place the movement directly on a flat metal plate or the like
to install the hands.
②Date dial guard
The date dial guard has three protrusions to be caught under the main plate, and it is also fixed
by two guide pins.
・How to remove
Lightly lift the A portion of the date dial guard with
tweezers to release it from the guide pin, and then
move it in the clockwise direction until it gets off
the guide pin.
Release the B portion of the date dial guard in the
same way as described above, and then move it in
the clockwise direction until gets off the guide pin.
Check that all the three protrusions of the date dial
guard have come off from the main plate, and then
remove the date dial guard.
TECHNICAL GUIDE
5
1)
2)
3)
Metal plate
B portion
Protrusion
A portion
Date dial guard
Guide pin
Tweezers
UP
Version-01
Cal.VJ76B
・How to install
Put the date dial guard on the main plate so that
the A and B portion are over the guide pins,
as shown in the illustration at right.
Move the protrusion D of the date dial guard in the
counterclockwise direction so that it is caught
under the main plate.
Slightly move the protrusions C and E in the
counterclockwise direction alternately to set
them under the main plate. Then, set the
A and B portions of the date dial guard to
the guide pins.
Check that the date dial guard is fixed
securely to the main plate.
③Battery
・How to install battery
Insert the battery aslant in the direction shown by the arrow.
Check the battery connection (+) securely touches the side
face of the battery.
Correct
Battery Main plate
④Battery connection (+)
・How to install
Have the hook portions (3 places) catch the main plate (Fig.1 & Fig.2).
In disassembling and reassembling, take care not to deform the hook portion.
After installing the battery connection (+), check that the three hook portions securely catch the main plate.
Hook position
Tweezers
Main plate
Hook portion
TECHNICAL GUIDE
6
1)
2)
3)
4)
[Fig.1]
[Fig.2]
Protrusion C
B portion
Protrusion D
Protrusion E
A portion
Battery connection (+)
Coil block
Hook position
Version-01
Cal.VJ76B
⑤Insulator
・Setting position
Notes: To Insulate between the battery connection (+) and the battery connection (-),
Insulator should be put at the three pin securely as bellow.
Pin
Insulator
⑥Train wheel bridge
・Setting position
Notes: Since the fifth wheel and pinion and step rotor are made of plastics, take care not to damage
them in disassembling and reassembling.
Fourth wheel and pinion
Pin for setting wheel Fifth wheel and pinion
Minute wheel and pinion Setting wheel Setting wheel
Step rotor
Third wheel and pinion
Third wheel and pinion Minute wheel and pinion
Reset pin
Step rotor
Fifth wheel and pinion Center wheel and pinion
Fourth wheel and pinion Clutch wheel
⑦
Train wheel setting lever
・Setting position
Notes:
・Catch the part of spring of the Train wheel setting lever to the pin like as below.
・Take care not to deform the spring potion of the Train wheel setting lever.
Train wheel setting lever
TECHNICAL GUIDE
7
Clutch wheel
Version-01
Cal.VJ76B
⑧
Pin for setting wheel
Notes:
・In disassembling and reassembling, take care not to damage the portion that is assembled of the pin.
(Since the portion that is assembled of the pin is made of plastics and easily damaged.)
・In disassembling,
pick the pin up main plate to vertical direction with care.
Pin for setting wheel
Center wheel and pinion
Minute wheel and pinion
・In reassembling,
push the pin in main plate to vertical direction with care.
Pin for setting wheel
Setting wheel Main plate
Minute wheel and pinion Center wheel and pinion
8
TECHNICAL GUIDE
(The portion that is assembled
of the pin)
Tweezers
Version-01
Cal.VJ76B
The explanation here is only for the particular point of Cal.VJ76B
Setting position of the First date indicator & Second date indicator.
・How to set First date indicator & Second date indicator in position.
Note:
1. First date indicator setting.
When the First date indicator is set, the hole in First date indicator will merge with the hole in battery
compartment. It takes place at 1 o'clock position of main plate.
(Pull out the crown to first click and turn the crown to set First date indicator.)
2.Second date indicator position setting.
After the Second date indicator was set. Rotate the Second date indicator in clockwise by touching on its
surface lightly with finger. Until the Second date indicator hole overlap with the First date indicator hole
at 1 o'colock position. The position is set.
3.When the date indicators were set properly.
Abnormal date does not display.
For example ) <00> day <32> day <33> day <34> day …... <39> day
(NOTE)
First date indicator cannot turn Second date indicator at any places other than Fig 2.
If it is made to rotate by force, there is a possibility that parts may break.
TECHNICAL GUIDE
9
Touching on its
surface lightly
with finger.
(Clockwise)
Pull out the
crown to first
click and turn
the crown to
set the date.
Fig.1
Fig.2
Fig.3
Fig.4
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