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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