Seiko 5J32A specifications Technical Guide, Problems, causes and methods of repair

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TECHNICAL GUIDE

 

Cal. 5J32A

 

 

 

 

 

 

 

 

Problems, causes and methods of repair

 

 

 

 

 

 

 

 

 

 

 

 

Problems

Possible causes

Methods of repair and checking

See the

 

 

page below.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The quickness of the

1) The coil for detecting

1) Check the resistance of the coil for

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hand movement after

generation of the hour and

detecting generation. Replace the hour

 

 

 

the activation of the

minute coil block is broken.

and minute coil block if the coil is broken.

 

 

 

time relay function has

 

 

 

 

 

 

reduced a little.

 

 

 

 

 

 

 

 

 

 

 

 

The oscillating weight

1) The coil of the generating

1) Check the resistance of the generating

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rotates at an abnormally

coil block is broken.

coil block. Replace the generating coil

 

 

 

high rate, and no

 

 

block if the coil is broken.

 

 

 

charging is made.

 

 

 

 

 

 

 

2) The pivot of the generating

2) Remove the broken piece of the

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rotor is broken. (The pinion

generating rotor, and replace and

 

 

 

 

of the generating rotor and

lubricate the generating rotor. (Overhaul

 

 

 

 

the gear of the intermediate

and clean if necessary.)

 

 

 

 

wheel for generating rotor

 

 

 

 

 

are out of mesh.)

 

 

 

 

 

 

 

 

 

 

The oscillating weight

1) The gear of the oscillating

1) If the gear of the oscillating weight and

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will not rotate.

weight and the pinion of the

the pinion of the intermediate wheel for

 

 

 

 

intermediate wheel for

generating rotor are intact, reassemble

 

 

 

 

generating rotor are out of

them to the movement.

 

 

 

 

mesh.

 

 

 

 

 

2) The pivot of the generating

2) Remove the broken piece of the

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rotor is broken. (The pinion

generating rotor, and replace and

 

 

 

 

of the generating rotor and

lubricate the generating rotor. (Overhaul

 

 

 

 

the gear of the intermediate

and clean if necessary.)

 

 

 

 

wheel for generating rotor

 

 

 

 

 

engage with each other.)

 

 

 

 

 

 

 

 

 

 

The current consump-

1) When the measurement is

1) After connecting the tester, move the

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tion for the whole of the

made, the IC is still in the

oscillating weight more quickly for a

 

 

 

movement exceeds the

quick start mode. (When the

longer period of time, and then, make

 

 

 

standard value.

c u r r e n t c o n s u m p t i o n

the measurement again.

 

 

 

 

measures about 200 A, it is

 

 

 

 

 

likely that the IC is in the

 

 

 

 

 

quick start mode.)

 

 

 

 

 

2) The load applied on the gear

2) If the current consumption for the circuit

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train, etc. has increased, and

block alone is within the standard value

 

 

 

 

the driving pulse to compen-

range, overhaul and clean the movement

 

 

 

 

sate it has been generated.

parts, and then, make the measurement

 

 

 

 

 

 

again.

 

 

 

 

 

 

 

 

 

The current consump-

1) The light from outside the

1) Shut out the light, and make the

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tion for the circuit block

movement is affecting the

measurement again.

 

 

 

alone exceeds the

measurement.

 

 

 

 

standard value.

2) When the measurement is

 

 

 

 

 

2) Switch the IC to the normal mode, and

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made, the IC is still in the

make the measurement again.

 

 

 

 

quick start mode. (When the

 

 

 

 

 

c u r r e n t c o n s u m p t i o n

 

 

 

 

 

measures about 200 A, it is

 

 

 

 

 

likely that the IC is in the

 

 

 

 

 

quick start mode.)

 

 

 

 

 

3) The IC is out of order.

3) Replace the circuit block.

 

 

 

 

 

 

 

 

 

The manual power save

1) The energy depletion

1) Swing the watch until the second hand

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function cannot be

forewarning function is in

moves at one-second intervals, and then,

 

 

 

activated.

operation.

check if the manual power save function

 

 

 

 

 

 

is activated.

 

 

 

 

2) The power save switch lead

2) Check if the power save switch lead pin

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pin is not in contact with the

is set in position. Check if the yoke

 

 

 

 

yoke.

functions properly.

 

 

 

 

3) The yoke and the movement

3) Check if the spring portion of the yoke

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do not conduct electricity.

catches the pin of the movement while

 

 

 

 

 

 

making contact with it.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents Specifications Cal. No 5J32APower Save Function Automatic power save functionManual power save function Time Relay FunctionLubricating Types of oil Oil quantity Remarks on removing the winding stemParts Catalogue Parts Catalogue Parts Catalogue Identification of circuit block Structure of the Circuit BlockII. Remarks on Disassembling and Reassembling How to installSetting position Please insert the pivot of the day-date corrector wheel here Lubricating Moebius a How to removeLubricating Technical Guide Moebius a Moebius F See the illustration at right Activated III. Value Checking and Adjustment How to check the leakageCoil block resistance Generating coil block resistanceCurrent consumption Checking the automatic generating system Initial voltage and guidelines of normal/defective decision For your information Number of swings and power reserveChecking the manual power save and time relay functions Important functions characteristic of Cal J32A IV. Troubleshooting GuideChecking procedure Problems, causes and methods of repair Technical GuideTechnical GUIDE, General Instructions CAL Identification of 5J series circuit blocks 2002-4