Panasonic HC-V520EB, Service Manual

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3.6. Baking of replacement IC and defective P.C.B.
When replacing the CSP/BGA/QFN type IC mounted on the P.C.B., the problem of IC crack or foil pattern breaking in the P.C.B.
might sometimes occur by rapid heating.
In order to improve the success rate of IC replacement for repair, it would be required to work out baking of replacement
IC and defective P.C.B. before replacing IC.
Please refer the way of baking as follows.
Replacement IC and defective P.C.B. must be put in the heater together.
• Baking temperature and time (Hour)
80
°
C / 24 hour