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TECHNICAL GUIDE

Cal. V172A/V174A

22/2

2ND cLIcK POSITION

CHECKING THE SOLAR POWER GENERATION SYSTEM

<How to check the solar power generation with the watch>
1) Remove the RECHARGEABLE BATTERY UNIT from the

watch.

2) Pull out the crown to the 2nd click in order to reset the

circuit.

3) Connect the (-) probe and (+) probe as illustrated.

* When measuring the voltage using the SEIKO digital

multi-tester (S-860), use the range of V.

4) Expose the watch to the light of a fluorescent lamp (use

the one with 15 to 20 watts) at a distance of 5-10 cm
while connecting the probes to the watch.

5) Read the measurement and check if it exceeds 1.8 V.

FLUOREScENT LAMP
15 - 20 W

5-10 cm

Содержание V172A

Страница 1: ...ndar Instant setting device for date calendar System reset function Stopwatch function 60 minute stopwatch in 1 5 second increments Auto stop measuring at 60 minutes Accumulated elapsed time measurement Split time measurement Single time alarm function Stopwatch hand position adjustment Stopwatch Time setting System reset Setting 0 of stopwatch hand Monthly rate less than 15 seconds worn on the wr...

Страница 2: ...m Fluorescent light 3 000 110 hours 13 hours 33 minutes 30W 3cm Fluorescent light 10 000 30 hours 3 5 hours 9 minutes Cloudy weather Sunlight 10 000 30 hours 3 5 hours 8 minutes Fair weather Sunlight 100 000 5 hours 0 6 hours 2 minutes The above table provides only a general guideline It is recommended that the watch be charged for as long as the charging time according to the column Time required...

Страница 3: ...ND SMALL second HANDS 24 HOUR HAND V174A 2 DIAL CASE baCK 3 SPACER FOR SOLAR CELL 4453 500 4 SOLAR CELL 4025 556 Cal V172A 4025 557 Cal V174A 5 HOLDING RING FOR DIAL 0866 6 CONTACT POINT SPRING 2pcs 4281 516 AO 2 PIEZOELECTRIC ELEMENT 4589 801 CASE baCK GASKET MOVEMENT CASE CROWN 69 69 PARTS LIST Cal V172A V174A 3 24 ...

Страница 4: ...TE FOR DATE DIAL 0712 507 14 CALENDAR CORRECTOR SETTING WHEEL 0737 505 18 GUIED PLATE FOR 24 HOUR WHEEL V174A 4488 500 20 SECOND INTERMEDIATE WHEEL FOR CALENDAR CORRECTION 0962 504 21 FIRST INTERMEDIATE WHEEL FOR CALENDAR CORRECTION 0962 580 11 GUIDE PLATE FOR DATE DIAL SCREW 0012 354 13 ALARM HOUR WHEEL 0271 645 15 24 HOUR WHEEL V174A 1002 534 22 HOUR WHEEL 0271 636 16 INTERMEDIATE 24 HOUR WHEEL ...

Страница 5: ...ZZER LEAD TERMINAL 4246 527 24 RECHARGEABLE BATTERY GUARD 4225 616 V172A 4225 644 V174A 25 RECHARGEABLE BATTERY BLOCK 3023 24H 26 CIRCUIT BLOCK COVER SCREW 3pcs 0022 459 27 CIRCUIT BLOCK COVER 4461 532 28 CONDUCTING PLATE 4224 518 30 CIRCUIT BLOCK 4000 750 PARTS LIST Cal V172A V174A 5 24 ...

Страница 6: ...E 0027 974 33 TRAIN WHEEL BRIDGE 0125 516 34 1 5 SECOND COUNTING WHEEL 0888 501 36 FORTH WHEEL AND PINION 0241 583 37 THIRD WHEEL AND PINION 0231 580 40 SECOND INTERMEDIATE 1 5 SECOND COUNTING WHEEL 0885 591 43 MINUTE WHEEL 0261 582 46 ALRAM MINUTE WHEEL 0261 582 35 SMALL SECOND WHEEL 0240 511 44 INTERMEDIATE ALARM WHEEL 0950 590 38 FIFTH WHEEL AND PINION 0701 581 Cal V172A V174A PARTS LIST 6 24 ...

Страница 7: ...62 CENTER WHEEL SPRING 4283 581 65 STATOR 4239 710 66 STATOR FOR CHRONOGRAPH 1 5 SECOND 4239 717 67 STATOR FOR CHRONOGRAPH MINUTE 4239 713 47 COIL BLOCK FOR ALARM 4002 542 52 ALARM ROTOR 4146 710 51 SWITCH LEVER A 4450 703 56 SETTING LEVER 0383 592 57 YOKE 0384 583 59 SETTING STEM 0351 586 61 TRAIN WHEEL SETTING LEVER 0391 591 63 CENTER WHEEL AND PINION 0221 604 64 STATOR FOR ALARM 4239 712 68 SWI...

Страница 8: ...find the correct parts if not determined by 4 digit caliber number Following parts are determined based on the design of watches such as hands height dial color and design of cases Please refer to the SEIKO WATCH PARTS CATALOGUE in order to choose the corresponding parts HOLDING RING FOR DIAL 0866 DATE DIAL 0878 SETTING STEM 0351 586 The type of HOLDING RING FOR DIAL is determined based on the des...

Страница 9: ...al V172A V174A 9 24 l Tools and consumables required for disassembling reassembling Movement holder UNIVERSAL MOVEMENT HOLDER S 682 Watch oils SEIKO watch oils AO 3 and AO 2 and SEIKO watch grease S 6 AO 3 AO 2 S 6 ...

Страница 10: ...rown position normal position Short circuit in touching the AC pattern and the rechargeable battery guard with tweezers refer to the Fig 1 In order to match the polarity of the ROTORs short circuit in touching the pattern A and the rechargeable battery guard with tweezers refer to the Fig 2 Install the CHRONOGRAPH minute hand the alarm hour hand and the alarm minute hand at 0 position Pull out the...

Страница 11: ...rtion and main plate as shown with arrow marks in the illustration to release the hooking portion from the main plate Reassembling 1 Set the 2 hooking portions to 4 o clock and 11 o clock positions as shown in the illustration 2 Gently push the hooking positions of HOLDING RING FOR DIAL so that they catch the main plate securely TECHNICAL GUIDE Cal V172A V174A 11 25 REMARKS ON DISASSEMBLING and re...

Страница 12: ...ts of the HOLDING RING FOR DIAL release them side by side Assembling Set the SOLAR CELL to 3 guide posts and assemble it to the HOLDING RING FOR DIAL by expanding the hooking portion as shown in the illustlation DATE DIAL GUARD Lubrication Lubricate the DATE JUMPER and the tip of the DATE DIAL AO 3 TECHNICAL GUIDE Cal V172A V174A 12 25 ...

Страница 13: ...RY GUARD Assembling Set the RECHARGEABLE BATTERY GUARD to the guide posts 2 posts and then tighten the rechargeable battery guard screws 3 pcs screw screw screw guide post guide post TECHNICAL GUIDE Cal V172A V174A 13 25 ...

Страница 14: ...portion of the RECHARGEABLE BATTERY BLOCK to the guide post and check that the hooking portion of the RECHARGEABLE BATTERY BLOCK touches the output terminal of the CIRCUIT BLOCK hooking portion guide post input terminal TECHNICAL GUIDE Cal V172A V174A 14 25 ...

Страница 15: ...e illustration below catch the movement securely In doing so check if the circuit block is set properly to guide posts a and b and reset it in position if necessary 2 Tighten the 3 CIRCUIT BLOCK COVER SCREWs When tightening the screws take care not to cut the coil c b a screw screw screw CONDUCTING PLATE Assembling Put the CONDUCTING PLATE on the CIRCUIT BLOCK as shown in the illustration and secu...

Страница 16: ...CUIT BLOCK remove it from the posts of the TRAIN WHEEL BRIDGE and the screw pins of the MAIN PLATE refer to a b c d and e in the illustration Reassembling Set the guide holes of the CIRCUIT BLOCK refer to a b c d and e in the illustration to the posts of the TRAIN WHEEL BRIDGE and the screw pins of the MAIN PLATE ｅａｂｃｄ TECHNICAL GUIDE Cal V172A V174A 16 25 ...

Страница 17: ...ALL SECOND HAND AO 3 MINUTE COUNTING WHEEL AO 3 ALARM MINUTE WHEEL AO 3 1 5 SECOND COUNTING WHEEL AO 3 ＡＯ2 ＡＯ3 TECHNICAL GUIDE Cal V172A V174A 17 25 Train wheel bridge Assembling 1 Check the setting positions of the WHEELs and ROTORs carefully Be sure to check that lower pivot of rotors are set to the MAIN PLATE properly 2 Pull out the SETTING STEM to the 1st click position 3 Install the TRAIN WHE...

Страница 18: ...1 583 37 THIRD WHEEL AND PINION 0231 580 40 SECOND INTERMEDIATE 1 5 SESOND COUNTING WHEEL 0885 591 43 MINUTE WHEEL 0261 580 46 MINUTE WHEEL FOR ALARM 0261 582 44 INTERMEDIATE ALARM WHEEL 0950 590 53 ROTOR 4146 710 54 CHRONOGRAPH ROTOR FOR 1 5 SECOND 4146 710 55 MINUTE COUNTING ROTOR 4146 710 52 ROTOR FOR ALARM 4146 710 58 SETTING WHEEL 0281 580 62 CENTER WHEEL SPRING 4283 581 Note The INTERMEDIATE...

Страница 19: ...TECHNICAL GUIDE Cal V172A V174A 19 25 51 SWITCH LEVER A 56 SETTING LEVER 57 YOKE 61 TRAIN WHEEL SETTING LEVER 59 WINDING STEM 63 CENTER WHEEL AND PINION 69 MAIN PLATE AＯ 3 Ｓ６ＡＯ3 ＡＯ2 How to lubricate ...

Страница 20: ...m the movement 2 Set RECHARGEABLE BATTERY GUARD and then tighten 3 screws 3 Connect the probe to the input terminal of COIL BLOCK and the probe to the input terminal of COIL BLOCK as illustration 4 Touch the AC terminal of the CIRCUIT BLOCK and the switch spring with the tweezers to reset the circuit as illustrated When measuring the current consumption using the SEIKO digital multi tester S 860 u...

Страница 21: ...n case the measurement of the current consumption for a whole movement exceeds the standard value but the measurement for the circuit falls below the standard value a problem in the gear train mechanism is suspected Please disassemble and overhaul the movement and measure the current again C一MOS IC Coil output terminal UPCONVERTER COIL CRYSTAL OSCILATOR How to measure the current consumption for t...

Страница 22: ...e crown to the 2nd click in order to reset the circuit 3 Connect the probe and probe as illustrated When measuring the voltage using the SEIKO digital multi tester S 860 use the range of V 4 Expose the watch to the light of a fluorescent lamp use the one with 15 to 20 watts at a distance of 5 10 cm while connecting the probes to the watch 5 Read the measurement and check if it exceeds 1 8 V FLUORE...

Страница 23: ...G FOR SOLAR CELL and check the solar power generation system again How to check the solar power generation with the SOLAR CELL alone 1 Set the SOLAR CELL to the HOLDING RING FOR DIAL 2 Connect the tester as the below illustration When measuring the voltage using the SEIKO digital multi tester S 860 use the range of V 2 Expose the SOLAR CELL to the light of a fluorescent lamp use the one with 15 to...

Страница 24: ... fluorescent lamp of 15 to 20 watts for 30 minutes FLUORESCENT LAMP 15 20 W 5 10 cm 4 Measure the voltage again while keeping the watch exposed to the light 5 Compare the difference of the voltage before and after recharging Refer to the table below for the criteria of the inspection FLUORESCENT LAMP 5 10 cm 0 50V 1 00V Results after recharging and criteria for checking the function Recharging fun...

Страница 25: ... watch in to be serviced Watch stopped The second hand moves at 2 second intervals Recharge by light satisfactory i e 3 5H with 10 000 lux etc Recharge by light satisfactory i e 3 5H with 10 000 lux etc Watch remains stopped Second hand begins moving normally The second hand moves at 2 second intervals Watch stopped Reset the IC Second hand begins moving normally Second hand fails to begin moving ...

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