Operation Checking On Hardware; Fixed Protective Capsule Unit : Ndh-338 - JRC JCY-1900 Service Manual

3. OPERATION CHECKING ON HARDWARE

JCY-1900/1950 VDR Service Manual
3. OPERATION CHECKING ON HARDWARE

3.1. Fixed Protective Capsule Unit : NDH-338

3.1.1. Check of the beacon
1) Expiration date
Check the expiration date written to the beacon. When the expiration date is less than one year, replace the beacon.
2) Battery voltage
Measure the battery voltage in the following procedure. (check the method written to the beacon).
When battery voltage is less than 2.5V, replace the beacon.
・ From serial number 18717-00-30336 on ： Less than 3.2V
・ From serial number 18717-00-30001 to 18717-00-30335 ： Less than 2.5V
1
2
DOC No. 7ZPNA4409
Short-circuit between terminals for 3 sec with
lead.
Remove lead, measure the voltage between ter-
minals with the multimeter.
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