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(5) Cautions when using lead based solder
It is recommended that you use lead-free solder when servicing, but it is also possible to service
using lead based solder. However, if lead based solder is used for servicing, take care with the
following:
1) Before using lead based solder, remove the lead-free solder completely from the point to be
soldered.
2) For additional soldering for repair, set the soldering iron tip temperature for lead-free solder, mix
lead based solder and lead-free solder sufficiently. Do not perform any repair using the bare
soldering iron tip without adding solder, since it will cause secondary failure due to lack of
strength.
Safety Precaution for Repair > Lead-Free Solder