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Important Safety Notice

 

ACER S190HQL

 

1

 

 

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.

 

Содержание R271

Страница 1: ...1 ACER Monitor_R271 LIFECYCLE EXTENSION GUIDE...

Страница 2: ...Mechanical Instructure 6 4 Assembly and Disassembly Procedures 7 5 Troubleshooting 16 6 FRU List 20 Safety Notice Any person attempting to service this chassis must familiarize with the chassis and be...

Страница 3: ...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 perfo...

Страница 4: ...4 1 Exploded Diagram...

Страница 5: ...5 2 Wiring Connectivity diagram...

Страница 6: ...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...

Страница 7: ...isassembly Procedures Disassembly Procedure Step 1 Pull the base stand assembly out Step 2 Unscrew two screws at the I O area Step 3 Disassemble rear cover by a thin plastic tool from a slot at the bo...

Страница 8: ...8 Step 4 Pull up the rear cover and pull out all connectors Step 5 Disassemble deco cover Step 6 Unscrew screws on main shielding case and disassemble Frame L R...

Страница 9: ...ve F B and take out the LCM then separate Key board from F B and LVDS cable from LCM Step 8 Remove FFC from display board Step 9 Unscrew four hex nuts and six screws and remove main board PCBA from ma...

Страница 10: ...10 Step 10 Disassemble rear cover assembly Step11 Unscrew the screw and separate base neck assembly...

Страница 11: ...11 Step12 Unscrew two screws and remove neck BKT Step 13 Unscrew three screws and separation neck assembly...

Страница 12: ...Step1 Assembly 8pin FFC to key board Step2 Assembly key board to rear cover Step3 If with speaker model assembly speaker in rear cover and lock screw to fix Step4 Tape speaker cable with acetate cloth...

Страница 13: ...13 Step5 Assemble deco cover to panel Step6 Assemble main board into shielding and put MB on panel side Step7 Assemble frame L R and lock crews to fix Step8 Insert 30pin LVDS to panel and MB...

Страница 14: ...14 Step9 Lock crews to fix MB and use tape to tape cables Step10 Insert 10pin FFC to panel and MB use yellow and AL tape to fix Step11 Insert speaker cable to main board use acetate cloth tape to fix...

Страница 15: ...15 Step12 Insert 8pin FFC to MB Step13 Assembly rear cover and push around the surrounding to assembly well Step14 Lock rear cover screw in red circle...

Страница 16: ...16 5 Troubleshooting 5 1 Test flow for abnormal machine...

Страница 17: ...17 5 2 LED backlight debug flow bid bmid...

Страница 18: ...18 5 3 Power debug flow bid bmid...

Страница 19: ...19 5 4 Main board debug flow bd bmd...

Страница 20: ...20 6 FRU Field Replaceable Unit List...

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