User Guide

- A20 -
VBA12001-R.3668.A
Mount the electronic buzzer unit (#1055).
Set the battery-extrusion spring (#158).
Attach the retaining plate (#159).
Fix 3 screws (#673).
Mount the sub-PCB.(B2002)
Fix 3 screws (#644).
Solder 3 wires of the electronic buzzer .
Make the soldering bridges.
#673×3
Assemble so that the
soldering portion of
#1055 comes within the
range of the arrow.
 
Do NOT push central part.
Electronic buzzer unit / Battery-extrusion spring
Sub-PCB unit
#1055
#644×3
Red Black Black
#159
#158
#1055
Soldering bridges
#B2002