Acer KB242HYL Lifecycle Extension Manual Download Page 6

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ACER KB242HYL

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: Philips-head screwdriver, Hex-head screwdriver

Knife

glove

cleaning cloth

ESD protection

Summary of Contents for KB242HYL

Page 1: ...Acer Monitor KB242HYL LIFECYCLE EXTENSION GUIDE ...

Page 2: ... 3 Mechanical Instruction 6 4 Disassembly and Assembly SOP 7 5 Troubleshooting 12 6 FRU List 14 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 ...

Page 3: ...pairing 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...

Page 4: ...ed Diagram 1 1 Product Exploded Diagram INDEX DESCRIPTION 1 ASSY TRIM K272HL 2 PCBA CTRL BD 3 LCDM 27W AUO M270HVN02 3Q0 Z 4 MID FRAME 5 PCBA SPS BD 6 PCBA IF BD 7 ASSY SHD 8 MYLAR 9 MYLAR 10 ASSY RC 11 ASSY CLMN 12 ASSY BASE ...

Page 5: ...iagrams for model KB242HYL The wiring connectivity position will be different according to the ACTUAL PCBA connector position Please base on different SKU refer to below diagram NOTE INF BD Interface Board PWR BD Power Board CTRL BD Control Board 1 SKU with USB 2 SKU without USB ...

Page 6: ... 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 Philips head screwdriver Hex head screwdriver Knife glove cleaning cloth ESD protection ...

Page 7: ...iver Philips head screwdriver Hex head screwdriver 3 knife 4 glove 5 cleaning cloth 6 ESD protection After unplugging the power cord the power board still have power energe Please pay attention when disassembling assembling Power BD S1 Disassemble the RC Rear Case stand and base Before Disassembling Assembling monitor need to be put on the sponge and the Insulation glove must be wore during the pr...

Page 8: ...ews from MF and disassemble MF from panel as picture 1 Tear off adhesive tape from panel as picture 2 Extract lamp wire from panel as picture 3 PICTURE 1 PICTURE 2 PICTURE 3 S6 Disassemble I F BD and P BD from SHD Disassembled the Mylar and adhesive tape from SHD Unlock 2 hex screws and all PCBA screws as picture 2 Disassemble the I F BD from the SHD and extract the P BD wire FFC LVDS Disassemble ...

Page 9: ...mble I F BD and P BD Before Disassembling Assembling monitor need to be put on the sponge and the Insulation glove must be wore during the process Insert the audio wire to P BD as picture 1 Insert the FFC audio wire and P BD wire to the I F as picture 2 Stick 1 tape on the SHD remarked with red frame lock all screws and put Mylar on the Power BD as picture3 PICTURE 1 PICTURE 2 PICTURE 3 S2 Assembl...

Page 10: ...PICTURE 1 PICTURE 2 S4 Assemble SHD Insert FFC to the panel as picture 1 Locate SHD on MF as picture 2 Arrange CTRL FFC on panel and insert to IF BD as picture 3 PICTURE 1 PICTURE 2 PICTURE 3 S5 Assemble the lamp wire Arrange lamp wire and insert to P BD as picture 1 Stick 1 Mylar to SHD as picture 2 PICTURE 1 PICTURE 2 I F BD C B ...

Page 11: ...ith screw as picture 1 Assembly the Stand and the Base to Monitor as picture 2 PICTURE 1 PICTURE2 NOTE Circuit boards 10 cm has been highlighted with the yellow rectangle as above image shows Please detach the Circuit boards and follow local regulations for disposal ...

Page 12: ...d monitor is in compliance which may be causing the input signal frequency mismatch Display is missing center shift or too small or too large in display size Using OSD adjust RESOLUTION CLOCK CLOCK PHASE H POSITION and V POSITION with non standard signals Using OSD in case of missing full screen image please select other resolution or other vertical refresh timing Using OSD in case of missing full...

Page 13: ... cord is properly connected to the monitor LED displays amber color Check if video signal cable is properly connected at the back of monitor Check if the power of computer system is ON Abnormal Sound Only Audio Input model Optional No sound or sound level is too low Check the audio cable with the host PC is connected Check if the volume setup of the host PC is in minimum position and try to raise ...

Page 14: ...e 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 Category ...

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