acer KA242Y 23.8 Inch Full HD VA Monitor User Guide
- June 2, 2024
- Acer
Table of Contents
acer KA242Y 23.8 Inch Full HD VA Monitor
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 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 & neck assembly out
Step.2 Unscrew four screws
Step.3 Separate hooks between MID_FRAME and R/C
Step 4. Pull up the Rear Cover and pull out all connectors
Step.5 Unscrew screws on main shielding and disassemble AL tape
Step.6 Separate speaker from MID_FRAME and LVDS & Backlight FFC from LCM
Step.7 Unscrew two hex nuts and seven screws and remove main board PCBA
from main shielding.
Step.8 Remove connecter cable and separate main board and power board,
separate mylar and shielding
Step.9 Unscrew eleven screws and separate MID FRAME and LCM
Step.10 Separate gasket and lens from MID frame
Step.11 Unscrew two screws and disassemble key board from rear cover and
separate navi key& cable
Step.12 Separate wall-mount BKT and display key from rear cover
Step.13 Unscrew the screw and separate base & neck assembly
Step.14 Remove six silicon rubbers and unscrew one screw
Step 15. Unscrew two screws and Separate BKT from neck , unscrew three screws and separate hinge assy from neck.
Assembly Procedure
Step1. Assembly main board into shielding, use screw to fix. Assembly
main board on LCM.
Step2. Insert 30 pin LVDS FFC to LCM, then use acetate cloth tape to tape
FFC.
Step3. Lock the shielding on panel with screw. (in red circle)
Step4. Use Al tape to fix shielding (tape in blue circle).
Step5. Insert 6 pin back light WH to panel and main board, use acetate
tape to fix. (Tape in red circle).
Step6. Insert 30 pin LVDS FFC to main board. Use AL tape to fix. (Tape in
blue circle)
Step7. Tape yellow tape to fix FFC. (Tape in red circle).
Step8. Assembly middle frame with LCM and fix screw (in red circle
)
Step9. Lock middle frame screw (in red circle)
Step10. If with speaker model, assembly speaker on middle frame, and
assembly speaker cable on main board. (red and white cable is on left side,
yellow and black is on right side.)
Step11. Tape speaker cable with acetate cloth tape (in blue circle)
.
Step12. Insert key board FFC on main board.
Step13. Assembly rear cover, and push around the surrounding to assembly
well.
Step14. Lock the screw on rear cover (in red circle).
Troubleshooting
Test flow for abnormal machine
key debug flow: Panel debug flow
LED backlight debug flow
FRU (Field Replaceable Unit) List
Documents / Resources
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KA242Y 23.8 Inch Full HD VA
Monitor
[pdf] User Guide
KA242Y, 23.8 Inch Full HD VA Monitor, Full HD VA Monitor, 23.8 Inch VA
Monitor, VA Monitor, Monitor, KA242Y VA Monitor
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