
  Service Manual 
3 
 
1. Important Safety Notice 
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 be 
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 connected 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 
expose 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 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.