Acer XB323U Bedienungsanleitung

Acer Monitor XB323U

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 XB323U

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 XB323U

1. Exploded Diagram

1.1 Product Exploded Diagram

Item

ODM DESCRIPTION

Item

ODM DESCRIPTION

ASSY BZL

SPK

LCDM

TAPE

MID-FRAME

TAPE

SCRW

ASSY SHD

WIRE

TAPE

SCRW

MYLAR

SCRW

PCBA SPS BD

PCBA CTRL BD

PCBA LED DRIVER BD

ASSY USB SHD

PCBA IF BD

ASSY RC

WIRE

SCRW

PCBA USB BD

SCRW

ASSY STAND

ACER XB323U

2. Wiring connectivity diagram

There are four types of wiring diagrams for model XB323U. 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 XB323U

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 XB323U

4. Disassembly and Assembly SOP

XB323U

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 Power BD.

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.

Unlock 4 RC screws and disassemble stand from RC as picture 1.

Unlock RC center and disassemble RC from MF as picture 2.

Tear off adhesive tape and CTRL FFC from RC as picture 3.

Unlock 2 CTRL BD screws and disassemble CTRL BD from RC as picture 4.

PICTURE 1 PICTURE 2

PICTURE 3 PICTURE 4

CTRL BD

ACER XB323U

Disassemble Lamp wire

Disassemble Mylar from SHD as picture 1.

Tear off 6 pieces of adhesive tapes from lamp wire as picture 2

Extract lamp wire from SHD as picture 3.

PICTURE 1 PICTURE 2 PICTURE 3

Disassemble SHD

Tear off 3 pieces of conductive tapes from SHD as picture 1

Disassemble SHD from MF as picture 2.

Tear off yellow tape and extract LVDS wire from panel as picture 3.

PICTURE 1 PICTURE 2 PICTURE 3

Disassemble the TRlM

and MF.

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

Unlock 9 MF screws, disassemble MF from panel and tear off 2 pieces of adhesive

tapes as picture 2.

Extract lamp wire from panel as picture 3.

PICTURE 1 PICTURE 2 PICTURE 3

ACER XB323U

Disassemble PCBAs from

SHD

Unlock 12 PCBA screws as picture 1.

Disassemble USB BD from SHD and extract USB wire from USB BD as picture 2.

Disassemble I/F BD from SHD, extract P/BD wire and SPK wire from I/F BD, then

extract LVDS wire and USB wire from I/F BD as picture 3.

Disassemble DRV BD and extract DRV wire and DRV BD wire from DRV BD as

picture 4.

Disassemble P/BD from SHD as picture 5.

Tear off 3 pieces of adhesive tapes as picture 6.

Disassemble SPK from SHD as picture 7.

PICTURE 1 PICTURE 2

PICTURE 3 PICTURE 4 PICTURE 5

PICTURE 6 PICTURE 7

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.

USB

DRIVE BD

P/BD

I/F

ACER XB323U

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

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.

Assemble PCBAs into SHD

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

and the Insulation glove must be wore during the process.

Assemble SPK to SHD as picture 1.

Paste 3 pieces of adhesive tapes to fix SPK wire as picture 2.

Insert P/BD wire and DRV BD wire to P/BD as picture 3.

Assemble P/BD to SHD and assemble P/BD Mylar as picture 4.

Insert DRV wire and DRV BD wire to DRV BD, assemble DRV BD to SHD as picture 5

Insert LVDS wire, USB wire,P/BD wire and SPK wire to IF BD and assemble IF BD to

SHD as picture 6.

Insert USB wire to USB BD and assemble USB BD to SHD as picture 7.

Lock 12 PCBA screws as picture 8.

PICTURE 1 PICTURE 2 PICTURE 3

PICTURE 4 PICTURE 5 PICTURE 6

PICTURE 7 PICTURE 8

P/BD

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