Acer Nitro VG270 Bedienungsanleitung

Acer Monitor VG270

LIFECYCLE EXTENSION

GUIDE

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.......................................................................................13

6. FRU List .....................................................................................................15

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

ACER VG270

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.

ACER VG270

1. Exploded Diagram

1.1 Product Exploded Diagram

Item

ODM DESCRIPTION

ASSY TRIM

PCBA LED BD

MID-FRAME

LCDM

PCBA SPS BD

PCBA IF BD

ASSY SHD

FFC LVDS

PCBA CTRL BD

ASSY RC

ASSY CLMN

ASSY BASE

SPK

FFC

CTRL-FFC

ACER VG270

2. Wiring connectivity diagram

There are two types of wiring diagrams for model VG270. 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.

ACER VG270

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: Philips-head screwdriver, Hex-head screwdriver

- Knife

- glove

- cleaning cloth

- ESD protection

ACER VG270

4. Disassembly and Assembly SOP

VG270

4.1 Disassembly Procedures

Preparation before disassemble

1.Clean the room for disassemble

2.Identify the area for monitor

3.Check the position that the monitors be placed and the quantity of the monitor ;prepare the area for material flow;

according to the actual condition plan the disassemble layout

4.Prepare the implement, equipment, materials as bellow:

1) working table

2) Screw-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

when disassembling/assembling.

Disassemble the RC,

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 base and stand from the RC(Rear Case) as picture 1.

Unlock RC center screw as picture 2.

Disassemble RC from monitor and extract the FFC CTRL from the IF BD as picture 3.

PICTURE 1 PICTURE 2 PICTURE 3

Disassemble CTRL BD

Tear off the adhesive tape of the FFC CTRL from the RC as picture 1.

Disassemble the CTRL BD from the RC as picture 2.

Disassemble the FFC CTRL from the CTRL BD.

PICTURE 1 PICTURE 2

CTRL BD

ACER VG270

Disassemble SPK and

Lamp wire

Tear off tapes of the SPK wire, extract the SPK wire from the IF BD and disassemble

the SPK from the MF as picture 1.

Tear off the black tape of the lamp wire, tear off black mylar on SHD and extract the

lamp wire from the P/BD as picture 2.

Extract the LED wire from the IF BD and tear off the wire from the SHD as picture 3.

PICTURE 1 PICTURE 2 PICTURE 3

Disassemble ASSY

Trim

Unlock 2 TRIM screws and disassemble the ASSY TRIM from the MF as picture 1.

Disassemble the LED BD from the Trim and extract the LED wire from the LED BD as

picture 2.

PICTURE 1 PICTURE 2

Disassemble SHD and

MF.

Extract 1 FFC wires from the panel as picture 1.

Unlock 9 screws from the MF and disassemble the MF from the Pane as picture 2.

Extract the lamp wire from the panel as picture 2.

PICTURE 1 PICTURE 2 PICTURE 3

LED BD

ACER VG270

Disassemble I/F BD

and P/BD.

Tear off Mylar from the SHD.

Unlock 6 PCBA screws from the PCBA BD and1 DP screws as picture 2

Disassemble the I/F BD from the SHD and extract the P/BD wire, the FFC LVDS from

the I/F BD.

Disassemble the P/BD from the SHD.

PICTURE 1 PICTURE 2 PICTURE 3

NOTE: Circuit boards >10 cm² has been highlighted with the yellow rectangle as above image shows.

Please detach the Circuit boards and follow local regulations for disposal.

I/F BD

P/BD

ACER VG270

4.2 Assembly Procedures

Preparation before assemble:

1.Clean the room for work

2.Identify the area for material

3.Prepare the implement, equipment, materials as bellow：

1) working table

2) Screw-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 when

disassembling/assembling.

Assemble I/F BD and P/BD

from SHD.

Before Disassembling & Assembling, monitor need to be put on the sponge and

the Insulation glove must be wore during the process.

Put the SHD on the worktable. Locate the P/BD into the SHD.

Insert FFC LVDS to the I/F BD. Insert the wire on the P/BD to the I/F BD.

Locate the I/F BD into the SHD. Lock a screw to fasten the wire on the SHD

Assemble the Mylar on the SHD as the picture 3.

PICTURE 1 PICTURE 2 PICTURE 3

Assemble Panel to MF

Take the Panel and insert lamp wire to panel marked as picture 1.

Assemble the MF to the panel and lock 9 screws to the MF as picture 2.

Stick 1 piece of adhesive tape on the little connector of lamp wire as picture 3.

PICTURE 1 PICTURE 2 PICTURE 3

P/BD

I/F BD

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