Acer XV240Y User manual

Acer Monitor XV240Y
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 XV240Y
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 XV240Y
4
1. Exploded Diagram
1.1 Product Exploded Diagram
Item
ODM DESCRIPTION
Item
ODM DESCRIPTION
1
ASSY TRIM
14
FFC LVDS
2
PCBA LED BD
15
ASSY SHD
3
LAMP WIRE
16
LVDS WIRE
4
LCDM
17
SCRW
5
MID-FRAME
18
ASSY RC
6
SCRW
19
PCBA CTRL BD
7
SPK
20
ASSY CLMN
8
SCRW
21
ASSY BASE
9
MYLAR
10
PCBA SPS BD
11
PCBA IF BD
12
MYLAR SHD
13
SCRW

ACER XV240Y
5
2. Wiring connectivity diagram
There are two types of wiring diagrams for model XV240Y. 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 XV240Y
6
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 XV240Y
7
4. Disassembly and Assembly SOP
XV240Y
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.
S1
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.
Unlock 4 screws to disassemble base and stand from the RC(Rear Case) and Unlock
RC center screw as picture 1.
Disassemble RC from monitor and extract the FFC CTRL from the IF BD as picture 2.
PICTURE 1 PICTURE 2
S2
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
CTRL BD

ACER XV240Y
8
S3
Disassemble SPK and
Lamp wire
Tear off 4 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
S4
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
S5
Disassemble SHD and
MF.
Extract 2 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 XV240Y
9
S6
Disassemble I/F BD
and P/BD.
Tear off Mylar from the SHD.
Unlock 5 PCBA screws from the PCBA 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
I/F BD
I/F BD

ACER XV240Y
10
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.
S1
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 6 screws to PCBA and stick 1 mylar to fasten the
wire on the SHD as picture 2.
Assemble the Mylar on the SHD as the picture 3.
PICTURE 1 PICTURE 2 PICTURE 3
S2
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
P/BD
I/F BD

ACER XV240Y
11
S3
Assemble ASSY TRIM
Insert the LED wire into the LED BD and assemble the LED BD into the TRIM as picture 1.
Assemble the ASSY TRIM on the MF.
Lock 2 screws to the ASSY TRIM as the picture 3.
PICTURE 1 PICTURE 2
S4
Assemble SHD
Insert the LVDS into the Panel, locate the SHD on the Panel and insert the big connector of
the lamp wire to P/BD as picture 1.
Paste 1 mylar on SHD as picture 2.
Tear off the 4 gums on the LED wire, arrange the LED wire and insert the LED wire into the
I/F BD.
PICTURE 1 PICTURE 2
S5
Assemble SPK
Assemble the SPK to the MF.
Insert the wire of SPK into the I/F BD.
Arrange the wire of SPK and stick 4 pieces of black tapes to fasten the wire of SPK on the
Panel.
Stick 1 piece of black tape to fasten the lamp wire
LED BD
Insert the SPK Wire to
PCBA under the hole
The middle part of the SPK
Wire MUST NOT go above
the edge of SHD.
Red line below
the SHD

ACER XV240Y
12
S6
Assemble CTRL BD
Assemble the FFC CTRL to the CTRL BD and assemble the CTRL BD to the RC as picture 1.
Stick a piece of adhesive tape to fasten the FFC CTRL on the RC as picture 2.
PICTURE 1 PICTURE 2
S7
Assemble the RC,
stand and base
Insert the FFC CTRL to the IF BD and assemble the RC to the MF as picture 1.
Lock 1 RC center screw and lock 4 screws to assemble the Stand and Base to Monitor as the
picture 2.
PICTURE 1 PICTURE 2
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.
CTRL BD
CTRL BD

ACER XV240Y
13
5. Troubleshooting
TROUBLESHOOTING
Before sending your LCD monitor for servicing, please check the trouble-shooting list below
to see if you can self-diagnose the problem.
(VGA Mode)
Problems
Current Status
Remedy
No Picture
LED ON
 Using OSD, adjust brightness and contrast to
maximum or reset to their default settings.
LED OFF
 Check the power switch.
 Check if AC power cord is properly connected to
the monitor.
LED displays amber
color
 Check if video signal cable is properly connected
at the back of monitor.
 Check if the power of computer system is ON.
Abnormal
Picture
Unstable Picture
 Check if the specification of graphics adapter
and monitor is in compliance which may be
causing the input signal frequency mismatch.
Display is missing,
center shift, or too
small or too large in
display size
 Using OSD, adjust RESOLUTION, CLOCK,
CLOCK-PHASE, H-POSITION and V-POSITION
with non-standard signals.
 Using OSD, in case of missing full-screen image,
please select other resolution or other vertical
refresh timing.
 Using OSD, in case of missing full-screen image,
please select other resolution or other vertical
refresh timing.
 Wait for a few seconds after adjusting the size of
the image before changing or disconnecting the
signal cable or powering OFF the monitor.
Abnormal
Sound
(Only
Audio-Input
model)
(Optional)
No sound, or sound
level is too low
 Check the audio cable with the host PC is
connected.
 Check if the volume setup of the host PC is in
minimum position and try to raise the volume
level.

ACER XV240Y
14
(HDMI/DP Mode)
Problems
Current Status
Remedy
No Picture
LED ON
 Using OSD, adjust brightness and contrast to
maximum or reset to their default settings.
LED OFF
 Check the power switch.
 Check if AC power cord is properly connected
to the monitor.
LED displays
amber color
 Check if video signal cable is properly
connected at the back of monitor.
 Check if the power of computer system is ON.
Abnormal
Sound
(Only
Audio-Input
model)
(Optional)
No sound, or
sound level is too
low
 Check the audio cable with the host PC is
connected.
 Check if the volume setup of the host PC is in
minimum position and try to raise the volume
level.

ACER XV240Y
15
6. FRU List
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of
ACER XV240Y. Refer to this chapter whenever ordering for parts to repair or for RMA
(Return Merchandise Authorization).
Please note that WHEN ORDERING FRU PARTS, you should check the most up-to-date
information available on your regional web or channel. For whatever reasons a part number
change is made, it will not be noted on the printed Service Guide. For AUTHORIZED
SERVICE PROVIDERS, your office may have a DIFFERENT part number code from those
given in the FRU list of this printed Service Guide. You MUST use the local FRU list provided
by your regional office to order FRU parts for repair and service of customer machines
NOTE: To scrap or to return the defective parts, you should follow the local government
ordinance or regulations on how to dispose it properly, or follow the rules set by your
regional office on how to return it.
Category
ACER
DESCRIPTION
Description
PART NO.
LCD
LED LCD Panel BOE
MV238FHM-NG0 1000:1
350nit
LCM 23.8W MV238FHM-NG0
4D40
KL.2380E.023
BOARD
MAIN BOARD
2H1DP+OD+S BOE
PCBA IF BD MI 2H1DP+S
XV240Y
55.TLVM3.001
POWER BOARD
2H1DP+S BOE
PCBA SPS BD MI XV240Y
BOE
55.TL1M3.002
FUNCTION KEY BOARD
WITH 5-DIRECTION
BUTTON W/ WIRE
PCBA CTRL BD MI VG240Y
55.TG5M3.003
LED BOARD W/ WIRE
PCBA LED BD MI VG240Y
55.TG5M3.004
IF BD
P/ BD
CTRL BD
LED BD