Acer AL722 Support Question
Acer AL722 Support Question
Find answers below for this question about Acer AL722.Need a Acer AL722 manual? We have 2 online manuals for this item!
Question posted by ajkksa on January 28th, 2013
Acer Al722 Problem
when i conect my acer al722 with my computer its showing the signal out of range.
Current Answers
Answer #1: Posted by tintinb on April 22nd, 2013 10:16 PM
tintinb
Member since:
October 26th, 2012 Points: 7,056,560
Member since:
October 26th, 2012 Points: 7,056,560
There can be a problem with the cable connections of your Acer AL722. the very first thing that you have to do is check the connections of the cables if properly connected according to its setup guide. Make sure that each cable is working properly.
If you have more questions, please don't hesitate to ask here at HelpOwl. Experts here are always willing to answer your questions to the best of our knowledge and expertise.
Regards,
Tintin
Related Acer AL722 Manual Pages
AL722 User Guide - Page 1
AL722 User's Manual
Table of the FCC Rules. The information in setting up and using the LCD Monitor. FCC Statement Warning
This equipment has been ... that to Part 15 of Contents
Preface ...1 Chapter 1 Installation ...2
Unpacking...2 Viewing Angle Adjustment...2 Detaching LCD Monitor from Its Stand ...2 Interface for accuracy; However, there is no guarantee is encouraged to try to the radio...
AL722 User Guide - Page 2
...this range could result in a room with dampened rag. 2. Remove the rear panel (1) from Its Stand
1. To clean LCD Monitor screen;
-- Chapter 1 Installation
Unpacking
Before unpacking the LCD Monitor, ... for your monitor and call an authorized technician. * Monitor to PC signal cable is frayed or damaged. * Liquid spilled into LCD Monitor or the monitor has been exposed to -PC signal Cable * ...
AL722 User Guide - Page 3
... (2) from the swivel base support
column 3. Make sure connections are secure. Connect one end of the monitor. 2. Remove the back panel (1) from the rear of the signal cable to the LCD Monitor's VGA
port. (See Fig. 1-5) 3.
AL722 User's Manual
Interface for adding protection against power surges to prevent the effects of sudden voltage variations...
AL722 User Guide - Page 4
...the knob clock wise.
Power Management System
This LCD Monitor complies with the VESA DPMS (version 1.0) Power Management guidelines. signal. LED lights Green color --- Power is connected to... the power switch to obtain the best viewing settings. When new settings are made, this monitor will be shown on Fig. 2-2:
Continue pressing the Function Select buttons to 16 user's ...
AL722 User Guide - Page 5
... function will return all adjusted parameters to select a different color temperature.
This function moves the OSD menu window horizontally. Please refer to fit full screen. AL722 User's Manual
Function Description
Icon
Function
BRIGHTNESS
CONTRAST
H-POSITION
V-POSITION
PHASE
CLOCK
AUTO ADJUST OSD H-POSITION OSD V-POSITION
GRAPHIC TEXT
RECALL LANGUAGE COLOR TEMP SAVE...
AL722 User Guide - Page 6
Sync Input
Signal
Separate TTL compatible horizontal and vertical synchronization
Polarity
Positive and ...°
Vertical: -70° ~ +70°
Horizontal: -75° ~ +75°
Horizontal: -75° ~ +75°
Video
Input Signal
Analog RGB 0.7Vp-p
Input Impedance
75 Ohm ± 2%
Polarity
Positive
Amplitude
0 - 0.7 ± 0.05 Vp
Multi-mode Supported
Horizontal Frequency: 24 ~...
AL722 User Guide - Page 7
...Net Weight
6.5 ± 0.3 kg
Gross Weight
8.7 ± 0.3 kg
Pin Assignment
6
Signal
PIN Description PIN Description PIN
1
11
1
Red
6
Red Rtn
11
2
Green
7
Green... is NOT included in table below, this LCD monitor will use the most suitable available timing.
Mode
... x 624 49.725
74.550
57.283
-/- AL722 User's Manual
Environment
Operating Condition:
Temperature
5°C ...
AL722 User Guide - Page 8
...
steps 1 and 2. Turn off the LCD Monitor and then turn it does not function with a CRT Monitor but it back on timing.
2. PROBLEM
There is unclear and unstable, please perform the...properly with the LCD Monitor, the
output timing of the LCD Monitor's synchronous range
(Horizontal: 24 ~ 80 KHz and Vertical: 56 ~ 75 Hz), the OSD will
display a message "No Input Signal".
8 Enter PC...
AL722 Monitor Service Guide - Page 1
... Switch definition...11 L. Connector Locations ...12 E. Description...14 B. Connector locations ...15 D. Quick specification review ...16
7. Power Regulator ...16
8. Rear Panel connector Input Signals ...18 C. CONTROLS ...3 C. Connector pin Assignment...10 J. Variable resistor ...11
4. Circuit of Plug and Play...16 C. Display Modes FOR Inspections ...4
2. Description...5 B. Connector...
AL722 Monitor Service Guide - Page 3
...
5 Wmax
Yellow (DC power
on mode is 3 seconds maximun. Ear phone jack. 8. Meet VESA DPMS proposal
2. B. Power LED 2. Adjust decrease. 3. Adjust increase. 4. CONTROLS
B-1 Control panel (monitor front panel) 1.
AL722 Monitor Service Guide - Page 4
...
248
135
VESA-1024-
75
＋
1066
1024
3
75Hz
1
38
If the input timing is not a supported timing listed above but within the supported frequency range
(Horizontal:80KHz,Vertical:75Hz),this monitor will select a closest mode instead,But the display
quality may not be optimized.
4 D.
AL722 Monitor Service Guide - Page 5
...; Support DDC1/2B functions. • Support 5 languages for OSD description. • The longest time for mode change is design to directly convert the analog RGB signals from standard VGA display card to optimum LCD timing signals so as to construct a high display quality LCD monitor. C.
AL722 Monitor Service Guide - Page 6
Connector Locations
E. Connector pin assignment
F-1 CN1
Pin NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Signal R-Video G-Video B-Video N. Blue Video Input. DDC 1/2B Horizontal Sync Input. C.
Ground. Vertical Sync Input. Ground. DDC 2B
6 PCDETECT Ground Ground Ground 5VCC Ground NC ...
AL722 Monitor Service Guide - Page 8
... Power Input GND GND
Comment Volume adjust power input Power saving mode Monitor is ON GND Function select counter-clockwise key Function select counter-clockwise ...CN8
Pin NO. 1
2
3
4
F-5 CN4
Pin NO. 1 2 3 4 5 6 7 8 9 10
Signal 12 VCC BLON GND 5 VCC BRIGHT
Signal 12 VCC 5 VCC GND GND
Signal MUTE LED-Y LED-G GND KEY-UP KEY-DOWN KEY-R KEY-L KEY-POWER GND
Comment Inverter Power Output. GND Inverter ...
AL722 Monitor Service Guide - Page 16
... end users. Quick specification review
• Input voltage
Single phase, 50/60HZ, 100VAC to 2.5V.
16 Volt Tolerance 11.4~12.6Vdc
• Dimension: 110Lx63Wx31H
7. This monitor supports DDC2B communication protocal. C. The U7 (APL1117) is image processor. AC Adapter (LSL9901B12320)
A. Power Regulator
1. 6. MIN
MAX
+12Vdc
±5%
0A
5A
• Total output power...
AL722 Monitor Service Guide - Page 17
... an external headphone or external speakers.
17 and press the right button
to switch the monitor ON/OFF.
4
LED lights Green color --- 8. Front Panel Control and Led
Item Control...-On Indicator LED lights Yellow --- Turn the knob clock wise. Power is in "Power Saving Mode". Monitor is ON.
Power is off ---
Increase Volume -
LED is OFF.
5 Function Select Buttons
Press either...
AL722 Monitor Service Guide - Page 27
...
CASE/COVER/BRAC
KET ASSEMBLY
STAND NECK(BASE)
CASE/COVER/BRAC
KET ASSEMBLY
HINGE
LCD COVER LCD BEZEL A'SSY (ACER) CHASSIS EMI SHIELD STAND NECK(BASE) HINGE
FACM871B011
U
4WKS REQUIRED
FAAM671A100
U
4WKS REQUIRED
FAAM671A100
U
4WKS REQUIRED
ECCM8814000...
50
LOCAL SCRAP
NO
NO FRU BOM LIST
Product Line: Monitor System Product Family: System Model:ABO_AL722(ET.72202.00X),X=4,5,9.
AL722 Monitor Service Guide - Page 34
...
LCM87A (WG017)
# X66A5630002 MECHANICAL PACKING
LAM67BY WG017
1 FJCM8715100 EPE FOAM RIGHT 2 FJCM8715200 EPE FOAM (R) 3 FJCM8716100 EPE FOAM LEFT 4 FJCM8716200 EPE FOAM (L) 5 FJCM8722100 CORD BOX
CM8715 (ACER) CM8716 (ACER) CM8722
1 - - - - 201 - 1 - - - 201 1 - - - - 202 - 1 - - - 202 1 1 - - - 203
End of Report
QUANTITY REQUIRED
DWG.NO...
AL722 Monitor Service Guide - Page 38
... 9 ECCM872A000 HINGE ASSEMBLY 10 FACM3531000 SWIVEL CAP 11 FAAM671A100 BEZEL ASY 12 FACM871B010 BACK COVER ASY 13 FACM871B011 BACK COVER ASY(ACER) 14 FACM8721000 REAR COVER 15 FACM8721001 REAR COVER(ACER) 16 FHCM7741000 RUBBER 17 MAA20085605 SCREW 18 MAA70003100 SCREW
19 MAA70063300 SCREW (NL) 20 MAB7T002419 SCREW 21 MAB20074201 TAPING SCREW
22...
AL722 Monitor Service Guide - Page 43
...
3 COLLECTOR
2
3.3VDD
5VCC
1
1
R51
0# R1206D
R52
0 R1206D
Use R51 and R52 selector panel voltage. +5V(R52) ---> FUJITSU "FLC44SXC8V" +5V(R52) ---> hynix"HT17E11-100" +5V(R52) ---> Acer"L170E3-1"
12
1
DTC124EK SOT-23B
+ C128
+ C111
1000uF/6.3V# 1000uF/16V
R53 4.7K
R54 4.7K
C2
2
2
1
A
BASE
EMITTER C111 package change to
1000uF/6.3V
Add...
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