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ACER K222HQL 

 

3

 

 

 

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.

Содержание K222HQL

Страница 1: ...Acer Monitor K222HQL LIFECYCLE EXTENSION GUIDE...

Страница 2: ...3 Mechanical Instruction 7 4 Disassembly and Assembly SOP 8 5 Troubleshooting 12 6 FRU List 14 Safety Notice Any person attempting to service this chassis must familiarize with the chassis and be awar...

Страница 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 performi...

Страница 4: ...CER K222HQL 4 1 Exploded Diagram 1 1 Product Exploded Diagram Item ODM DESCRIPTION 1 ASSY BZL 2 PCBA CTRL 3 LCDM 4 PCB SPS BD 5 PCB IF BD 6 FFC LVDS 7 ASSY SHD 8 SPK 9 ASSY RC 10 ASSY CLMN 11 ASSY BAS...

Страница 5: ...K222HQL 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...

Страница 6: ...ACER K222HQL 6 3 SKU with USB without HDMI DP 4 SKU with USB with HDMI DP...

Страница 7: ...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 Phi...

Страница 8: ...driver 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 whe...

Страница 9: ...FC PICTURE 1 PICTURE 2 S5 Disassemble the MF from panel Tear off the tapes take out the Panel and the CTRL BD of the MF S6 Disassemble I F BD P BD and SPK from SHD Unlock all screws Disassemble the I...

Страница 10: ...board and SPK 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 DP Wire to the I F BD a...

Страница 11: ...cable S5 Assemble SHD Lock the Hexagonal screws as picture 1 Use jig to put the SHD in correct position on Panel Take off the jig and stick two AL tapes as picture 2 PICTURE 1 PICTURE 2 S6 Assemble R...

Страница 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 PHA...

Страница 13: ...ord 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 On...

Страница 14: ...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...

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