Dell S2421HS Simplified Service Manual

Also see for S2421HS: User guide Teardown Guide User guide User guide

Dell S2421HS Simplified Service Manual Manual pdf 1 page image

Product Announcement:This product is certificated to meet RoHSDirective and Lead-Free produced definition.Using approved critical components only isrecommended when the situation to replacedefective parts. Vender assumes no liabilityexpress or implied, arising out of any unauthorizedmodification 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. Theservice providers recommended by vender shouldbe aware of notices listed in this service manual inorder to minimize the risk of personal injury whenperform service procedures. Furthermore, thepossible existed improper repairing method maydamage equipment or products. It is recommendedthat service engineers should have repairingknowledge, experience, as well as appropriateproduct training per new model before performingthe service procedures.NOTICE:! To avoid electrical shocks, the products should beconnected to an authorized power cord, and turnoff the master power switch each time beforeremoving the AC power cord.! To prevent the product away from water orexpose in extremely high humility environment.! To ensure the continued reliability of thisproduct, use only original manufacturer’sspecified parts.! To ensure following safety repairing behavior, putthe replaced part on the components side ofPWBA, not solder side.! To ensure using a proper screwdriver, follow thetorque and force listed in assembly anddisassembly procedures to unscrew screws.! Using Lead-Free solder to well mounted theparts.! The fusion point of Lead-Free solder requested inthe degree of 220°C.1. Important Safety Notice