acer SA270 LCD Monitor User Guide
- June 9, 2024
- Acer
Table of Contents
ACER Monitor_SA270
LIFECYCLE EXTENSION GUIDE
SA270 LCD Monitor
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
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
nonRoHS 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.
Exploded Diagram
Wiring Connectivity diagram
Mechanical Instruction
Tools Required
List the type and size of the tools that would typically can be used to
disassemble the product to a point where components and materials requiring
selective treatment can be removed.
Tool Description:
- working table
- Screw-driver
- Knife
- glove
- cleaning cloth
- ESD protection
Assembly and Disassembly Procedures
• Disassembly Procedure
Step. 1 Pull the base & stand assembly out
Step.2 Unscrew two screws at the I/O area
Step.3 Disassemble rear cover by a thin plastic tool from a slot at the bottom of rear cover
Step 4. Pull up the rear cover and pull out all connectors
Step.5 Disassemble deco cover.
Step.6 Unscrew screws on main shielding case and disassemble Frame L&R.
Step.7 Remove F/B and take out the LCM, then separate Key board from F/B and LVDS cable from LCM
Step.8 Remove FFC from display board
Step.9 Unscrew four hex nuts and six screws and remove main board PCBA from main shielding.
Step.10 Disassemble rear cover assembly
Step11. Unscrew two screws and separate base &neck assembly
Step12. Remove one screw and separate all silicon rubbers
Step.13 Unscrew two screws and separate all small parts
• Assembly Procedure
Step1. Assembly 8pin FFC to key board
Step2. Assembly key board to rear cover
Step3. If with speaker model, assembly speaker in rear cover and lock screw to fix.
Step4. Tape speaker cable with acetate cloth tape (in yellow circle).
Step5. Assemble deco cover to panel.
Step6. Assemble main board into shielding and put MB on panel side
Step7. Assemble frame L&R and lock crews to fix
Step8. Insert 30pin LVDS to panel and MB
Step9. Lock crews to fix MB and use tape to tape cables
Step10. Insert 10pin FFC to panel and MB, use yellow and AL tape to fix.
Step11. Insert speaker cable to main board , use acetate cloth tape to fix.
Step12. Insert 8pin FFC to MB .
Step13. Assembly rear cover, and push around the surrounding to assembly well.
Step14. Lock rear cover screw (in red circle)