Value Checking; Measuring The Coil Block Resistance; Measuring The Current Consumption For The Whole Movement; Measuring The Current Consumption For The Circuit Block Alone - Seiko 6A32 Parts Catalogue /Technical Manual

TECHNICAL GUIDE

VALUE CHECKING

● Coil block resistance
1.28 - 1.48kW

[Measuring the coil block resistance]

1. Measure the resistance with the coil block installed on the main plate.
2. Apply the red and black probes of the tester to the patterns of the coil lead terminal. While doing so, take
care not to touch the end portion of the coil lead terminal, as this may break the coil wire.
● Current consumption
For the whole movement: less than 1.61mA
For the circuit block alone: less than 0.3 mA

[Measuring the current consumption for the whole movement]

1. Apply the red probe of the tester to the pattern of the positive (+) terminal of the circuit block and the black
probe of the tester to the pattern of the negative (-) terminal of the coil block.
2. After connecting the tester, wait for approximately one minute until the current consumption becomes
stable. When the current consumption shows stable measurements, read the measurement.

[Measuring the current consumption for the circuit block alone]

1. Connect the tester to the positive (+) and negative (-) input terminals of the circuit block. Wait for
approximately one minute until the current consumption becomes stable. When the currency consumption
shows stable measurements, read the measurement.
* Light may increase the current consumption, resulting in an inaccurate measurement. Protect the movement from
light with a black cloth or similar, and take a measurement again.
CAUTION
When the current consumption for the whole movement exceeds the standard value, measure the
current consumption for the circuit block alone. If the current consumption for the circuit block alone is
within the standard value range, a driving pulse may be generated. In that case, overhaul and clean the
movement parts, and then measure the current consumption for the whole movement again.
● Checking the accuracy
In order to check the accuracy, set the gate time of the quartz tester to 10 seconds, and measure the
accuracy with the crown at the original position.
Crystal unit
Positive (+)
C-MOS-I
Negative (-)
Cal. 6A32A
15