Acer V277 Bedienungsanleitung

ACER_V277

LIFECYCLE EXTENSION

GUIDE

- 2 -

Contents

Table of Contents

ImportantSafety Notice------------------------------------------------------------------------------------- 3

1. Exploded Diagram -------------------------------------------------------------------------------------- 4

2. Wiring connectivity diagram-------------------------------------------------------------------------- 5

3. Mechanical Instructure--------------------------------------------------------------------------------- 6

4. Assembly and Disassembly Procedures------------------------------------------------------------ 7

5. Troubleshooting----------------------------------------------------------------------------------------- 15

6. FRU List--------------------------------------------------------------------------------------------------- 19

Safety No

ice

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 No

ce ACER S190HQL 1

- 3 -

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.

1. Exploded Diagram

2. Wiring Connectivity diagram

3. 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

4. Assembly and Disassembly Procedures

Disassembly Procedure

Step. 1 Pull the base & neck assembly out

Step.2 Unscrew four screws

Step.3 Separate hooks between MID_FRAME and Rear cover

Step 4. Pull up the Rear Cover and pull out all connectors

Step.5 Unscrew screws on main shielding and disassemble AL tape

Detail AL tape location as below:

Step.6 Separate speaker from MID_FRAME and LVDS & Backlight FFC from LCM

Step.7 Unscrew two hex nuts and seven screws and remove main board PCBA from main shielding.

Step.8 Remove connecter cable and separate main board and power board, separate mylar and shielding

Step.9 Unscrew eleven screws and separate MID FRAME and panel

Step.10 Separate lens from MID frame

Step.11 Unscrew two screws and disassemble key board from rear cover and separate navi key& cable

Step.12 Separate wall-mount BKT and display key from rear cover

Step.13 Unscrew the screw and separate base & neck assembly

Step.14 Remove six silicon rubbers and unscrew seven screws to separate metal and plastic cover

Step 15. Separate back cover from neck, unscrew five screws and separate front cover from hinge assy.

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