Precaution To Repalce Optical Block (Da11B3N) - Aiwa XR-X77 Service Manual

PRECAUTION TO REPALCE OPTICAL BLOCK -1/1 (DA11B3N)
(SF-P101NR)
Body or clothes electrostatic potential could ruin
laser diode in the optical block. Be sure ground
body and workbench, and use care the clothes
do not touch the diode.
1) After the connection, remove solder shown in
the right figure.
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