Acer K272HL Lifecycle Extension Manual Download

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Contents

Table of Contents

Important Safety Notice

................................................................................. 3

1. Exploded Diagram

...................................................................................... 4

2. Wiring connectivity diagram

.................................................................... 5

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

Summary of Contents for K272HL

Page 1: ...Acer Monitor K272HL 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: ...airing 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: ...CRIPTION 1 MID FRAME 2 PCBA CTRL BD 3 LCDM 27W AUO M270HVN02 3Q0 Z 4 PCBA SPS BD 5 PCBA IF BD 6 FFC LVDS 30P P1 B276HL 7 ASSY SHD AH1 1A1D1H SPK V276HL 8 SPK 2 2 5W 4OHM 320 320MM 9 ASSY RC 1A1D1H SPK DB22A V276H 10 ASSY CLMN K272HL 11 ASSY BASE K272HL 12 ASSY TRIM K272HL ...

Page 5: ...iagrams for model K272HL 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: ...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 process Disassemble Stand and Ba...

Page 8: ...BD FFC PICTURE 1 PICTURE 2 S5 Disassemble the Bezel from panel Tear off the tapes take out the Panel and the CTRL BD of the Bezel S6 Disassemble I F BD and P BD from SHD Disassembled the Mylar and unlock all screws Disassemble the I F BD from the SHD and extract the P BD wire Extract the FFC LVDS from the I F BD Disassemble the P BD from the SHD NOTE Circuit boards 10 cm has been highlighted with ...

Page 9: ...mbling Power BD S1 Assemble 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 FFC to the I F Insert the P BD Wire to the I F BD and the P BD Place the I F BD and the Power BD to main SHD stick one tape on the SHD remarked with red circle and lock all screws as the picture Put Mylar on the Power B...

Page 10: ...two AL tapes as picture 2 PICTURE 1 PICTURE 2 Note please refer to Appendix for the jig and select None for page scaling item S4 Assemble LVDS cable Insert the LVDS cable to the Panel and stick one tape on LVDS cable S5 Assemble the lamp wire Insert the lamp wire to the P BD Stick 2 tape to fasten the lamp wire and one AL Tape on SHD as the picture ...

Page 11: ...L BD FFC as square frame and Insert the CTRL BD FFC to the PCBA as circle frame S7 Assemble RC stand and base Assemble the RC with screw Assembly the Stand and the Base to Monitor PICTURE 1 PICTURE 2 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: ... 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 t...

Page 14: ...de 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 ...

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