acer EI242QR Curved Monitor User Guide

ACER_EI242QR_SM20211215V1

Acer Monitor EI242QR
LIFECYCLE EXTENSION
GUIDE

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 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 explosed 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

1.1 Product Exploded Diagram

1PCS
6| 101.007.00531| Base Support| Base Support/SF11/%1Hk/Black| 1PCS
7| 104.002.00192| KeyBD| Key BD/4X4X1.7mm/5KEY/LED/ESD| 1PCS
8| 101.009.00021| KeyBD Bracket| KeyBD Bracket/34C1/ABS/Black| 1PCS
9| 104.001.02461| MB| AD Board J-F9UHD-KA1/91A4/LS/T2H+NII-A+SK/DC12V| 1PCS
10| 101.013.03431| MB Bracket| MB Bracket/21F1/SGCC/T0.6mm/A/0| 1PCS
11| 101.015.00341| Trim cover| Rear housing trim cover/SF1/ABS/Black/V1| 1PCS
12| 101.006.02691| Stand Base| Stand base/SF12| 1PCS

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 SOP

EI242QR

Preparation before disassemble

1. Clean the room for disassemble

2. Identify the area for monitor

3. Check the position that the monitors be placed and the quantity of the monitor ;prepare the area for material flow; according to the actual condition plan the disassemble layout

4. Prepare the implement, equipment, materials as bellow:

5. working table

6. Screw-driver

7. knife

8. glove

9. cleaning cloth

10. ESD protection

S1
Disassemble the RC, stand
Disassemble base and hinge cover from the RC. Take off the projection lamp, Unlock RC screws. Disassemble RC from onitor.

S2
Disassemble the cable from the connector also disassemble the Key BD & projection lamp power BD from the RC.
Disassemble the keyBD wire, lamp wire, speaker cable & Projection lamp wire from the BD connector.
Unlock the screw and disassemble the key BD & projection lamp power BD

S3
Disassemble the cable from the MB
Remove the tape and loosen the cable.
Disassemble the LVDS cable, LED power cable, lamp power cable etc from the MB

S4
Disassemble the MB, lamp power BD and MB bracket
Unlock the screw and remove the MB & lamp power BD from the chassis bracket.
Unlock the screw and disassemble the MB bracket from the chassis.

S5
Disassemble the light bar from the RC
Remove the tape from the cable, then disassemble the light bar cover , take the light bar from the groove of the RC, finally unlock the screw and disassemble the plastic bracket

4.2 Assembly Procedures

Preparation before assemble:

1. Clean the room for work

2. Identify the area for material

3. Prepare the implement, equipment, materials as bellow：

4. working table

5. Screw-driver

6. Knife

7. glove

8. cleaning cloth
   ESD protection

S1
Assemble the lower trim part
Take a lower trim and stick the conductive cloth and PE foam
Then fix the lower trim part with screw.

S2
LVDS cable & panel power cable assemble
Insert the LVSD cable & panel power cable into the panel driver BD connector , then use the tape and conductive cloth fix the cable as picture shows .

S3
Adhesive the mylar on the MB bracket then fix it with chassis with
Assemble the MB and light bar power BD , and routing the cable screw, then fix the MB & light bar power BD with screw
Routing the LVSD cable and light bar power cable, panel power cable and fix with tape.

S4
Light bar assembly
Assemble the light bar with bracket, then insert it into the groove of the RC, fix the light bar cover and mylar cover the naked light bar area.
S5
Key BD , projection lamp power BD and RC assembly
Assemble the keyBD and bracket and fix with RC with screw
Insert the power cable into projection lamp power BD and fix with screw
Insert the KeyBD wire, speaker wire, projection lamp wire and light bar wire with MB, then assemble the RC.

S5
Assemble the hinge bracket and the cover, and the projection lamp.
Assemble the hinge bracket and the cover, insert the projection lamp into the RC.

Using OSD, adjust brightness and contrast to maximum or reset to their default settings.

Blinking Blue|

Check if signal cable is properly connected, which can be determined by plugging and unplugging the cable. Check if the PC is functioning properly or in the Hibernate mode. To wake the PC from Sleep mode, you can click the mouse or tap any key on the keyboard.

LED OFF|

Check the power switch. Check if AC power cord is properly connected to the monitor.

FRU List

This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of ACER B277. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization).
Please note that WHEN ORDERING FRU PARTS, you should c heck the most up-to- date information available on your regional web or channel. For whatever reasons a part number change is made, it will not be noted on the printed Service Guide. For AUTHORIZED SERVICE PROVIDERS, your office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide. You MUST use the local FRU list provided by your regional office to order FRU parts for repair and service of customer machines
NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or regulations on how to dispose it properly, or follow the rules set by  your regional office on how to return it.

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