Panasonic DMR-ES15EB Service Manual page 5

2.3. Service caution based on legal restrictions
2.3.1. General description about Lead Free Solder (PbF)
The lead free solder has been used in the mounting process of all electrical components on
the printed circuit boards used for this equipment in considering the globally environmental
conservation.
The normal solder is the alloy of tin (Sn) and lead (Pb). On the other hand, the lead free
solder is the alloy mainly consists of tin (Sn), silver (Ag) and Copper (Cu), and the melting
point of the lead free solder is higher approx.30 degrees C (86°F) more than that of the
normal solder.
Definition of PCB Lead Free Solder being used
The letter of "PbF" is printed either foil side or components side on the PCB
using the lead free solder.
(See right figure)
Service caution for repair work using Lead Free Solder (PbF)
-
The lead free solder has to be used when repairing the equipment for which the lead free
solder is used.
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