Acer HS244HQ, Руководство по продлению срока службы

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Safety Notice
Any person attempting to service this chassis must familiarize with the chassis and be
aware of the necessary safety precautions to be used when serving electronic equipment containing
high voltage
Important Safety Notice
ACER S190HQL
1
Product Announcement:
This product is certificated to meet RoHS Directive and Lead-Free produced definition. Using approved
critical components only is recommended when the situation to replace defective parts. Vender assumes
no liability express or implied, arising out of any unauthorized modification of design or replacing non-
RoHS parts. Service providers assume all liability.
Qualified Repairability:
Proper service and repair is important to the safe, reliable operation of all series products. The service
providers recommended by vender should being aware of notices listed in this service manual in order
to minimize the risk of personal injury when perform service procedures. Furthermore, the possible
existed improper repairing method may damage equipment or products. It is recommended that service
engineers should have repairing knowledge, experience, as well as appropriate product training per
new model before performing the service procedures.
NOTICE:
!
To avoid electrical shocks, the products should be connect to an authorized power cord, and turn off
the master power switch each time before removing the AC power cord.
!
To prevent the product away from water or exposed 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,
not solder side.
!
To ensure using a proper screwdriver, follow the torque and force listed in assembly and
disassembly 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.