Ericsson 3 00021-2 FEA209544 21UEN B free download

File name 3_00021-2_FEA209544_21UEN_B.PDF

Working Instruction, Standard Working Instruction, Standard Applicable for R320s, R320sc Contents 1 Domeswitch ...2 2 Frame Assembly ...2 2.1 Process Tools ...2 2.2 Instruction ...3 3 Revision History...3 3/000 21-2/FEA 209 544/21 B Approved according to 1776-2/FEA 209 544 Working Instruction, Standard 1 Domeswitch Important about soldering operation! When any kind of soldering operations is done on the back of PCB or near the domeswitch it must be removed and replaced with a new one # Figure Instruction Note 1 Domeswitch replacement 2 Remove the old domeswitch with a pair of tweezers (fig.1). fig.1 3 Brush/Clean the board surface. 4 Take a new domeswitch 5 Place the new domeswitch on Make sure that the the board, use the guiding domeswitch is correct holes and the connection point assembled and that the for the EL-lamp for correct washer is right positioned. positioning (fig.2). fig.2 2 Frame Assembly 2.1 Process Tools