1Important Safety NoticeProduct Announcement:This product is certificated to meet RoHS Directive and Lead-Free produced definition. Using approvedcritical components only is recommended when the situation to replace defective parts. Vender assumes noliability express or implied, arising out of any unauthorized modification of design or replacing non-RoHSparts. Service providers assume all liability.Qualified Repairability:Proper service and repair is important to the safe, reliable operation of all series products. The serviceproviders recommended by vender should being aware of notices listed in this service manual in order tominimize the risk of personal injury when perform service procedures. Furthermore, the possible existedimproper repairing method may damage equipment or products. It is recommended that service engineersshould have repairing knowledge, experience, as well as appropriate product training per new modelbefore performing the service procedures.NOTICE:! To avoid electrical shocks, the products should be connect to an authorized power cord, and turn off themaster power switch each time before removing the AC power cord.! To prevent the product away from water or explosed in extremely high humility environment.! To ensure the continued reliability of this product, use only original manufacturer’s specified parts.! To ensure following safety repairing behavior, put the replaced part on the components side of PWBA, notsolder side.! To ensure using a proper screwdriver, follow the torque and force listed in assembly anddisassembly procedures to screw and unscrew screws.! Using Lead-Free solder to well mounted the parts.! The fusion point of Lead-Free solder requested in the degree of 220°C.