KERN EW User Manual

5.6 Sequence Of The AJDP Circuit Board Replacement
5.6.1 How To Remove AJDP Circuit Board
(1) Remove the case referring to 5-1.
(2) Remove wires to the Tuning-fork sensor, by welding solders at AJDP
circuit board.
(3) Remove the AJDP circuit board fixing screw.
(4) Unplug connectors at CN1, CN4, (and CN3 with AJH-CE) on AJDP
board. With battery option, unplug CN5, in addition.
Circuit Board Fixing Screw
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KERN EW Specifications

General

Display	LCD
Minimum part weight at piece counting (Laboratory scale)	0.1 g
Weighing plate material	stainless steel
Measuring system	Strain gauge
Interface	RS 232
Calibration	External calibration
Power Supply	AC adapter or 4xAA batteries
Units	g lb oz