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TECHNICAL GUIDE

Cal. 5T82A

26/26

ALARM/
WORLD TIME

One or more ALARM hands,
WORLD TIME hands or city
hand have stopped moving
or show an abnormal move-
ment.

The relevant coil is broken.

Measure the coil block resist-
ance. Replace the coil with a new
one if necessary.

An excessive load is being ap-
p l i e d t o t h e A L A R M a n d / o r
WORLD TIME wheels due to dust
or foreign particles adhering to
them or oil starvation.

Clean the relevant parts and lu-
bricate with an adequate amount
of oil.

The step motor shows an
abnormal movement.

There is a crack on the circuit
block switch pattern.

Replace the circuit block with a
new one.

The buttons do not oper-
ate normally.

The amount of oil around the but-
tons is insufficient.

Clean the buttons and lubricate
appropriately.

The circuit block pat tern has
been broken or bent.

Adjust the circuit block pattern
or replace the circuit block with a
new one.

T h e A L A R M d o e s n o t
sound.

The piezoelectric element is bro-
ken or out of alignment.

The upconverter coil is broken.

Replace the circuit block with a
new one.

The ALARM sound is too
small.

The crown falls off.

The winding stem is not securely
installed. (The setting lever and
yoke are disengaged.)

Check the main plate, winding
stem, set ting lever and yoke.
Replace the defective parts with
new ones.

The current consumption
exceeds the standard value.

An excessive load is being ap-
plied due to friction among the
hour, minute and ALARM and/or
WORLD TIME hands.

Small amount of water/
blur inside of the glass
persists.

Water resistance is deteriorated.
The watch has been subjected to
water pressure that exceeds the
guaranteed degree.

Investigate the causes to take
necessary measures, while clean-
ing inside of the watch.

Remount the piezoelectric ele-
ment or replace it with a new
one.

Replace the stator with a new
one.

Adjust or remount the relevant
hands.

Symptom

Possible causes

Solutions

Exterior

parts

The step motor has been de -
formed.

Содержание 5T82A

Страница 1: ...cond Nil Step motor Electronic circuit reset switch Train wheel setting device Date calendar Instant setting device for date calendar Battery life indicator The small second hand moves at two second intervals System reset Monthly rate at normal temperature range less than 15 seconds Use 10 second gate SR927W Nil 1 55 V Approx 3 years 4 pcs 5T82A WORLD TIME City hand 24 cities WORLD TIME hour hand ...

Страница 2: ...hat of the previous Cal 7T series watches The alarm sounds only once at a designated time within the coming 12 hours and it is automatically disengaged Pushing the crown back into the normal position after setting the alarm will prevent the set ALARM time from changing by an accidental pressing of the button 1 ALARM FUNCTION Apart from the main time the time in the city selected by the city hand i...

Страница 3: ...conds Push back in to the normal position in accordance with a time signal Press Button B to set the ALARM hands to the current time Press Button B to set the city hand to point to the city of which you know the current time Press Button A for longer than 2 seconds The WORLD TIME hand turns a full circle Press Button B to set the WORLD TIME hands to the time of the city you have selected by the ci...

Страница 4: ...indication 7 0271 588 Hour wheel 9 0802 580 Date driving wheel 6 0271 583 Hour wheel for alarm 8 Disassembling procedures Figs 1 59 Reassembling procedures Figs 59 1 Remarks on removing the winding stem To remove the winding stem when taking out the movement from the case or while disassembling the parts during repair work be sure to pull out the crown to the first click and then remove the windin...

Страница 5: ...0 Battery clamp screw 12 4225 547 Battery clamp 13 0022 459 Circuit block cover screw 14 4457 980 Circuit block cover 15 4224 514 Conducting plate 16 0396 580 Friction spring for second counting 17 4000 619 Circuit block 18 4589 801 Piezoelecric element The piezoelectric element is adhered to the case back 0022 459 Circuit block cover screw 3 pcs 0022 230 Battery clamp screw 3 pcs 26 ...

Страница 6: ...heel pinion 34 0885 595 Second intermediate wheel for city setting 35 4146 710 Step rotor 37 4146 710 WORLD TIME rotor 39 4146 710 Rotor for city setting 40 4270 710 Battery connection 20 0027 974 Pin for train wheel bridge 21 0125 509 Train wheel bridge 22 0888 582 City setting wheel 24 0241 583 Fourth wheel pinion 25 0231 580 Third wheel pinion 27 0950 590 Intermediate wheel for ALARM 29 0270 58...

Страница 7: ... 46 0282 585 Clutch wheel 47 0221 583 Center wheel and pinion 48 4002 700 Coil block A 49 0391 591 Train wheel setting lever 51 4239 710 Rotor stator 52 4002 711 Coil block for ALARM 55 4239 712 Rotor stator for ALARM 57 4450 701 Switch lever B 58 4002 700 Coil block for city setting 50 4239 711 Rotor stator for city setting 53 4002 711 Coil block for WORLD TIME 54 4239 713 Rotor stator for WORLD ...

Страница 8: ...r and refer to Watch Parts Catalogue CD ROM to choose corresponding parts Holding ring for dial 0866 651 3 Date dial 0878 526 43 Winding stem 0351 583 Point of distinction Refer to the illustrations below to see the difference between those two types of pins 1 Pin for date dial guard 0027 973 22 Pin for train wheel bridge 0027 974 ...

Страница 9: ...e switch lever B 59 Set the main plate Lubricate the contact area between the small second wheel and main plate Moebius F or AO 2 Amount of lubricant Refer to the illustrations below to see the right amount of lubricant a b c a Overlubricated b Appropriately lubricated c Underlubricated Appropriate amount Stone Appropriate amount Convex part Appropriate amount S 6 Lubricate the point of engagement...

Страница 10: ... wheel setting lever 50 49 Set the coil block for city setting and the coil block A 56 Set the rotor stator for WORLD TIME 53 52 Rotor stator for city setting Discrimination number Set the rotor stator Discrimination number 0 50 49 Set the coil block for city setting and the coil block A Coil resistance 2 10 K 2 70 K 58 Set the switch lever B 55 54 Set the coil blocks for ALARM and WORLD TIME Coil...

Страница 11: ...ORLD TIME rotor ALARM rotor and step rotor 48 Set the center wheel pinion and lubricate as illustrated below 2 points Moebius AII or AO 3 45 Set the minute wheel for WORLD TIME 24 hour indication 47 Set the clutch wheel 44 Set the setting wheel 43 Set and lubricate the winding stem Lubricate the entire profile of the winding stem with Moebius V or AO 3 41 Set the setting lever Crown at the normal ...

Страница 12: ...r A Point of engagement of the switch lever A 36 Set the switch lever A Lubricate the point of contact between the train wheel setting lever and yoke Lubricate the two points with either Moebius V or AO 3 Lubricate the axis of the switch lever A S 6 36 Set the switch lever A Lubricate the point of contact in the tail portion of the yoke Moebius V or AO 3 Lubricate the point of contact between the ...

Страница 13: ... the city setting wheel 23 Set the small second wheel Center minute wheel for WORLD TIME 30 Set the first intermediate wheel for city setting 27 26 Set the fifth wheel and pinion and third wheel and pinion 34 Set the spacer for center wheel pinion 33 Set the minute wheel 31 32 Set the center minute wheel for WORLD TIME and center minute wheel for ALARM 25 Set the fourth wheel pinion 24 Set and lub...

Страница 14: ...el for WORLD TIME should be additionally lubricated 5 points to be lubricated as illustrated above Other portions Upper pivot of the rotor Lubricate the upper pivots of the minute wheel center minute wheel for ALARM city setting wheel minute wheel for WORLD TIME and small second wheel Moebius F or AO 2 21 Set the pin for train wheel bridge Turn the pin 90 degree clockwise to fix it using a screwdr...

Страница 15: ...lling the circuit block cover hooking portions Take care so as not to deform the rotor stator or coil block Make sure that the circuit block cover is correctly aligned with the two pins of the train wheel bridge Inaccurate alignment of the circuit block cover can cause malfunction of the yoke resulting in defects of date correcting function The hook of the circuit block cover is easily disengaged ...

Страница 16: ... NO PROCESS ILLUSTRATIONS AND SPECIAL INSTRUCTIONS ETC 12 Set the battery clamp 11 Tighten the battery clamp screws 3 positions Measure the current consumption 11 Tighten the battery clamp screws 3 positions 12 Set the battery clamp ...

Страница 17: ...tact between the date dial and main plate 3 Set the date dial The hour wheel is made of plastic Make sure that the gear teeth are properly engaged when setting the hour wheel 3 Set the date wheel The number of gear teeth is 28 9 Set the hour wheel 6 Set the date driving wheel 8 Set the hour wheel for ALARM 7 Set the Hour wheel for WORLD TIME 24 hour indication 5 Set the date corrector setting whee...

Страница 18: ...jumper Main plate and date jumper Date dialguard and date jumper 2 Set the date dial guard Lubricating points of the calendar wheels contact points between Date dial and date jumper Moebius F or AO 2 Main plate and date jumper Moebius F or AO 2 Date dial guard and date jumper Moebius F or AO 2 1 Set the date dial guard 2 positions Turn the pin 90 degree clockwise to fix it using a screwdriver Neve...

Страница 19: ...ok it Set the dial Preparation for installing the hands Follow the instructions below before installing the hands It is necessary to adjust the backlash in a certain direction in order to ensure the proper hand positions before installing the hands Activate the city hand in the hand adjustment mode Press and hold Button A for 3 seconds or longer with the crown at the second click position Adjust t...

Страница 20: ...hand position and hand installation height 6 o clock position Set the ALARM hour hand Set the ALARM minute hand Check the hand position and hand installation height Center Set the hour hand Set the minute hand Check the hand position and hand installation height Set the city hand Check the hand position and hand installation height T82A WORLD TIME WORLD TIME hour hand WORLD TIME minute hand Small ...

Страница 21: ...depends on the design of its case 10 Set the antimagnetic shield plate B Make sure that it is securely set in the correct direction Close the case back 43 Be careful so as not to deform the winding stem conducting spring of the circuit block cover while removing or installing the winding stem 43 Set the winding stem For a watch with a screw lock type crown apply silicone grease 100 000 to 500 000 ...

Страница 22: ... setting Button B setting the ALARM time setting the ALARM time to the current time can reset the ALARM keep pressing Button B will quickly advance the ALARM hands Hand position adjustment Main time setting Button B setting the ALARM time keep pressing it to quickly advance the ALARM hands Button A 2 seconds Button B setting the city hand position keep pressing it to quickly advance the city hand ...

Страница 23: ...cker Note The AC comment sticker must be affixed to all calibers models AC comment sticker Before affixing the AC comment sticker make sure that the center of the p piezoelectric element and the center of the AC comment sticker are correctly aligned Failing to do this can cause a continuity defect resulting in a malfunction of the ALARM as the AC comment sticker may adversely contact the buzzer le...

Страница 24: ...cuit block When measuring the current consumption using the SEIKO Multi Tester S 860 select the measure ment range as follows For the whole movement Use the range of 40 µ A of SUPPLY V 1 55 V GATE TIME 2 S For the circuit block alone Use the range of 4 µ A of SUPPLY V 1 55 V GATE TIME 2 S When measuring the current consumption for the circuit block alone be careful not to damage or de form the pat...

Страница 25: ...or the whole movement exceeds the s tandard value Check the rotation and engage ment of the date dial Bend the date dial downward to adjust the clearance Or replace the date dial with a new one Dirt dust or foreign particles are adhered to the movement Remove dirt dust or foreign par ticles and clean the movement The driving pulse is generated in order to compensate the exces sive load applied to ...

Страница 26: ...lace the circuit block with a new one The AL ARM does not sound The piezoelectric element is bro ken or out of alignment The upconverter coil is broken Replace the circuit block with a new one The ALARM sound is too small The crown falls off The winding stem is not securely installed The setting lever and yoke are disengaged Check the main plate winding stem setting lever and yoke Replace the defe...

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