Acer B246HL Bedienungsanleitung
Acer Monitor B246HL
LIFECYCLE EXTENSION
GUIDE
Contents
Table of Contents
Important Safety Notice.................................................................................3
1. Exploded Diagram......................................................................................4
2. Wiring connectivity diagram ....................................................................5
3. Mechanical Instruction..............................................................................7
4. Disassembly and Assembly SOP ............................................................8
5. Troubleshooting.......................................................................................14
6. FRU List .....................................................................................................16
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 B246HL
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.
ACER B246HL
4
1. Exploded Diagram
1.1 Product Exploded Diagram
Item
ODM DESCRIPTION
1
ASSY BZL
2
PCBA CTRL BD
3
LCDM 24W M240htn01.2 AUO
4
PCBA SPS BD
5
PCBA IF BD
6
FFC LVDS
7
ASSY SHD
8
SPK
9
ASSY RC
10
ASSY CLMN
11
ASSY BASE
12
SCRW MACH STEEL HEX #4-40 NI
13
SCRW TAP PH W/FL M3*6L
14
SCRW TAP PH W/FL M3*6L W-ZN
15
SCRW MACH FPH M4*10L B-ZN NYL
ACER B246HL
5
2. Wiring connectivity diagram
There are four types of wiring diagrams for model B246HL. 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 without USB, without HDMI/DP
2. SKU without USB, with HDMI/DP
ACER B246HL
6
3. SKU with USB, without HDMI/DP
4. SKU with USB, with HDMI/DP
ACER B246HL
7
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 B246HL
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4. Disassembly and Assembly SOP
B246HL
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
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.
S1
Disassemble the
RC(Rear Case), stand
and base
Disassemble Stand and Base from the RC(Rear Case). Unlock RC screws.
Disassemble RC from monitor.
S2
Disassemble
SHD(Shielding)
Tear down AL-Tape off SHDas picture 1.
Unlock the Hexagonal screws and the DP screw as picture 2.
PICTURE 1 PICTURE 2
ACER B246HL
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S3
Disassemble the lamp wire
Tear off the tape on the lamp wire. Extract the big connector of the lamp wire form the
P/BD(Power Board) as the picture.
S4
Disassemble the USB
SIDE BD
(This step is only for SKU
with USB)
Tear off the Mylar on the right hole of the SHD as picture 1. Disassemble USB-FFC from
the USB BD. Unlock the screw from the USB SIDE BD and disassemble the USB SIDE
BD. Disassemble the USB-FFC from the USB SIDE BD as picture 2. Disassemble the
gasket from the back of the panel as picture 3.
PICTURE 1 PICTURE 2 PICTURE 3
S5
Disassemble LVDS
CABLE and CTRL BD
Tear off the tape, pull out the FFC as picture 1. Pull the CTRL BD -FFC out of the PCBA
and the CTRL BD, tear off the tape, disassemble the CTRL BD -FFC
PICTURE 1 PICTURE 2
USB SIDE Board
USB Board
ACER B246HL
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S6
Disassemble the MF from
panel.
Tear off the tapes, take out the Panel and the CTRL BD of the MF
S7-1
Disassemble I/F BD, P/BD
and SPK from SHD.
Unlock all screws.
Disassemble the I/F BD from the SHD and extract the P/BD wire.
Extract the FFC LVDS from the I/F BD.
Disassemble the P/BD from the SHD.
Disassemble SPK.
PICTURE 1 PICTURE 2
S7-2
Disassemble the USD BD,
I/F BD,P/BD and SPK from
SHD.
(This step is only for SKU
with USB)
Unlock all screws from the PCBA as the picture
Disassemble the USB BD from the SHD and extract the wire from the USB BD.
Disassemble the I/F BD from the SHD and extract the P/BD wire. Extract the FFC
LVDS from the I/F BD. Disassemble the P/BD from the SHD.
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 BD
I/F BD
P/BD
P/BD
I/F BD
Dieses Handbuch passt für folgende Modelle
1
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