Panasonic DMR-EZ45VEB, Service Manual

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2.3. SERVICE CAUTION BASED ON LEGAL RESTRICTIONS
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.
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.
· To put lead free solder, it should be well molten and mixed with the original lead free solder.
· Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC.
· Since the melting point of the lead free solder is higher than that of the normal lead solder, it takes the longer time to melt
the lead free solder.
·
Use the soldering iron (more than 70W) equipped with the temperature control after setting the temperature
at 350±30 degrees C (662±86°F). When soldering or unsoldering, please completely remove all of the solder
on the pins or solder area and be sure to heat the soldering points with the Pb free solder until it melts enough.
Definition of PCB Lead Free Solder being used
· The letter of “Pbf is printed either foil side or component side using the lead free solder.
Recommended Lead Free Solder (Service Parts Route.)
· The following 3 types of lead free solder are available through the service parts route.
RFKZ03D01K-----------(0.3mm 100g Reel)
RFKZ06D01K-----------(0.6mm 100g Reel)
RFKZ10D01K-----------(1.0mm 100g Reel)
Note
·
Ingredient: tin (Sn), 96.5%, silver (Ag) 3.0%, Copper (Cu) 0.5%, Cobalt (Co) / Germanium (Ge) 0.1 to 0.3%
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DMR-EZ45VEB