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Seiko 5M42A, Техническое руководство, Страница: 10 / 12

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10

TECHNICAL GUIDE

Cal. 5M42A, 5M43A

44

Switch lever

45

Yoke

46

Setting lever

36

Train wheel setting lever

47

Lever for unlocking stem

•

Setting position and lubricating

Refer to the illustration at right.

III. VALUE CHECKING AND ADJUSTMENT

•

Coil block resistance

1.7K

Ω

 ~ 2.1K

Ω

•

Generating coil block resistance

280

Ω

 ~ 380

Ω

•

Current consumption

For the whole movement

:

Less than 0.7

µ

A (with voltage supplied from a battery)

For the circuit block alone

:

Less than 0.4

µ

A (with voltage supplied from a battery)

Yoke

Lever for unlocking stem
(Only for one-piece case type)

Setting lever

Switch lever

Train wheel setting lever

Содержание 5M42A

Страница 1: ...ormal temperature range less than 15 seconds Loss gain Nil Regulation system Use 10 second gate Measuring gate by quartz tester Automatic generating system Power generator Polyacene lithium condenser...

Страница 2: ...ating weight screw 1 pc 1 Hour minute and second hands 15 0271 670 Hour wheel Anti magnetic shield plate The anti magnetic shield plate is welded to the main plate and they cannot be disassembled 14 0...

Страница 3: ...r generating rotor 28 4002 519 Generating coil block 27 0198 660 Oscillating weight bridge 26 0022 247 Oscillating weight bridge screw 25 4000 731 Circuit block 24 4457 761 Circuit block cover 16 0022...

Страница 4: ...47 0397 660 Lever for unlocking stem Only for one piece case type 46 0383 662 Setting lever 45 0384 661 Yoke 44 4450 730 Switch lever 43 0281 670 Setting wheel 42 0261 670 Minute wheel 41 4146 531 Ste...

Страница 5: ...e Language Part code Color of figure Color of background The type of day star with dial disk is determined based on the design of cases If any other type of day star with dial disk is required please...

Страница 6: ...TRUCTIONS How to install Place the movement directly on the riveting plate shown in the illustration with the oscillating weight side down so that the oscillating weight screw is not damaged Then pres...

Страница 7: ...on to release them from the case 3 Insert the tip of tweezers into each of the grooves of the holding ring for dial positioned at 1 5 and 9 o clock sides and pry the ring up to remove the movement How...

Страница 8: ...o make sure you are using the proper one Be sure to observe the correct polarity of the capacitor unit The lead terminal side is the side as shown in the illustration To install the capacitor unit set...

Страница 9: ...ght bridge Generating rotor Intermediate wheel for generating rotor Be sure to lubricate the ball bearing of the oscillating weight bridge as shown in the illustration 29 Intermediate wheel for genera...

Страница 10: ...ht III VALUE CHECKING AND ADJUSTMENT Coil block resistance 1 7K 2 1K Generating coil block resistance 280 380 Current consumption For the whole movement Less than 0 7 A with voltage supplied from a ba...

Страница 11: ...case overhaul and clean the movement parts and then measure current consumption for the whole movement again Connect the tester to the input terminals and of the circuit block and wait for 30 to 40 s...

Страница 12: ...tuates the movement of the second hand may not indicate the actual power reserve To check the relationship between the number of swings and the duration of charge use the power reserve indicator more...

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