Sanyo VPC-S60 Service Manual

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Contents

– 2 –WARNINGDo not use solder containing lead.This product has been manufactured using lead-free solder inorder to help preserve the environment.Because of this, be sure to use lead-free solder when carryingout repair work, and never use solder containing lead.Lead-free solder has a melting point that is 30 - 40°C (86 -104°F) higher than solder containing lead, and moreover it doesnot contain lead which attaches easily to other metals. As aresult, it does not melt as easily as solder containing lead, andsoldering will be more difficult even if the temperature of thesoldering iron is increased.The extra difficulty in soldering means that soldering time willincrease and damage to the components or the circuit boardmay easily occur.Because of this, you should use a soldering iron and solderthat satisfy the following conditions when carrying out repairwork.Soldering ironUse a soldering iron which is 70 W or equivalent, and whichlets you adjust the tip temperature up to 450°C (842°F). Itshould also have as good temperature recovery characteris-tics as possible.Set the temperature to 350°C (662°F) or less for chip compo-nents, to 380°C (716°F) for lead wires and similar, and to 420°C(788°F) when installing and removing shield plates.The tip of the soldering iron should have a C-cut shape or adriver shape so that it can contact the circuit board as flat or ina line as much as possible.SolderUse solder with the metal content and composition ratio byweight given in the table below. Do not use solders which donot meet these conditions.Lead-free solder is available for purchase as a service tool.Use the following part number when ordering:Part name: Lead-free solder with resin (0.5 mm dia., 500 g)Part number: VJ8-0270Metal content Tin (Sn) Silver (Ag) Copper (Cu)Compositionratio by weight 96.5 % 3.0 % 0.5 %Note:If replacing existing solder containing lead with lead-free sol-der in the soldered parts of products that have been manufac-tured up until now, remove all of the existing solder at thoseparts before applying the lead-free solder.