Acer X223 Support and Manuals
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Acer X223w Won't Turn On
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How To Take Apart Acer X223w Monitor
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How To Disassemble Apart Acer Lcd Monitor X223w
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The On/off Indicator Light Is Flashing But I Get No Image On My Computer Screen.
I was signing in to a online game and the screen went blank the a second or two later the acer logo ...
I was signing in to a online game and the screen went blank the a second or two later the acer logo ...
(Posted by djbudris 12 years ago)
Popular Acer X223 Manual Pages
X223W LCD Monitor User's Guide - Page 25
... is properly connected at the back of monitor.
· Check if the power of missing full-screen
size
image, please select other resolution or
other vertical refresh timing.
· Wait for servicing, please check the troubleshooting list below to see if you can self-diagnose the problem.
(VGA Mode)
Problems Current Status Remedy
LED ON
·...
X223W LCD Service Guide - Page 3
2
ACER X223W
Go to AC Inverter. DC 5V DC 5.3V (Audio) Inverter control
Speaker line input
1W*2 Sp eaker (Op t ion)
Interface Board Flat Panel Controller, DDC
Audio AM P. (Op t ion)
Function key input Video Signal input & DDC
Audio line input
AC - IN
Audio Source
Host Computer
Function Key Board
The LCD monitor consists of...
X223W LCD Service Guide - Page 4
1. Product Specification (continued)
ACER X223W
3
Go to cover page
C o n n e c to r P in A ssig n m e n t
D SU B P in 1
S ig n a l R e d -V id e o
P in 6
2
G re e n -V id e o
...noise immunity (typically by using a Schmitt Trigger input ).That is , the input level at which it actually detects a logic 1.If the monitor...1) Schmitt-Triggers Input , Supported 3.3V device H(&V) sync ...shield
23 ...
X223W LCD Service Guide - Page 6
... cleared is on /off. Power consumption for the monitor shall be user replaceable. The AC input shall be less than 46W over the specified input voltage range.
Product Specification (continued)
ACER X223W
5
Go to 265 AVC sinusoidal for DC power out.
W hen user set command. The LCD panel interface shall support the TFT standard.
1.3.6 DC -
Inrush current is...
X223W LCD Service Guide - Page 7
... function) The update firmware need through from the edge of the light guide that the panel shall always be approximately 35-50cm
■Ambient illumination is defined as follows : For P20/22 W Series.
■Viewing distance is to be driven per it is to support field replacement at the customer site or authorized service center. The...
X223W LCD Service Guide - Page 8
... does not damage the glass. Physical damage to be rejectable by Lite-On will be at the LCD panel is the minimum separation
number for disposition.
1.4.5.8 LCD Inspection Put LCD panel on the LCD supplier's spec.
Product Specification (continued)
ACER X223W
7
Go to the polarizer that the illuminance at least 15mm apart. Contrast variation can be achieved through...
X223W LCD Service Guide - Page 13
Then,
put it over. 12
ACER X223W
Go to the connector of bracket chassis
base.
Turn the monitor faced down and put it on the
S6 Bracket Chassis module till both parts firmly
Take lamp cables out from the hole
S5 shown as
...protective
S2 cushion and stick an insulator on the specific
position, take a power board and turn it on the specific positions of the LCD
S7 panel.
4
1
X223W LCD Service Guide - Page 15
...ACER X223W
Go to cover the LCD monitor.
S19
Take a LDPE+EPE bag to cover page
4. Assembly and Disassembly Procedures (continued)
S14
Put a rear cover on the assembled unit and press on the front bezel with two
S17 tapes.
Take a PE bag to the rear cover through the way of LCD monitor...as below photo
S15
Assemble the stand upper side to cover the stand base.
3
1
4
2
...
X223W LCD Service Guide - Page 17
... screwdriver unscrew 4 screws
S6 to cover page
4.
16
ACER X223W
Go to release the stand base.
(No1~4 Screw Size=M4x10; S7 Torque=11~13KGFxCM).
3
1
4
2
Turn over the LCD monitor (screen
faced down),
VISTA LABEL
Take out all accessories including D-SUB cable
S2 power cable, DVI cables, user's manual, and stand
base and packing material from the carton. (Note...
X223W LCD Service Guide - Page 21
Troubleshooting
5.1 No.display of screen (Screen is
indicated with "Out Of Range" at the
Yes
time of... isn't being inputted, it can't be
distinguished.
Proceed "No OSM display" section. Proceed "checking the resolution change the cable. it is
indicated with "No Signal Input".
NG OK
Input the sync signal of LED is connected normally. 20
ACER X223W
Go to cover page
5.
X223W LCD Service Guide - Page 22
Check the host for failure. OK
NG
Check if the LCD video signal cable is all black or not.
1) Change pattern of LED is blue)
ACER X223W
21
Go to cover page
Is backlight lit?
Proceed "Abnormal sreen" dection"
Next Page NG OK
Refer "Checking the backlight unit" section"
Check the video cable for output signal...
X223W LCD Service Guide - Page 23
... is high level, when push buttom, generated
1.6V)
Failure Point I301 is failure. 22
ACER X223W
Go to 1.6V. OK
Check the D326 pin1 if voltage is short.
OK Failure Point
...
Failure Point 1) The LVDS cable broke between P304 and LCD module. 2) LCD module is 3.3V
Proceed "Checking the DC/DC converter circuit" section. Troubleshooting (continued)
5.2 Nothing display on I305 pin 90 that ...
X223W LCD Service Guide - Page 24
..., R301 and I305 pin86. 2) I305 is failure.
Check the BKLT_ADJ signal of LCD module is failure. 2) Inverter Cable is disconnected
Failure Point
1) printed wire broke between...signal of Inverter part failure.
NG OK
Failure Point 1) Back light unit of the input P301 pin3 from I305 pin86 is failure. 5.3 Checking the back light unit
5.
Troubleshooting (continued)
ACER X223W
23
Go to ...
X223W LCD Service Guide - Page 25
...Process "Checking the resolution change IC movement"...Troubleshooting (continued)
Check the R, G, B video signal from computer input on I305 pin18, 20, 23 respectively that their level is short or open. Failure Point Printed wire broke between P302 pin1 and I306 pin23. 2) Video cable is failure. 3) FB303,FB304, R309 is open. 4) R311 is short or open. 5) C315 is 0.0
to 0.7Vp-p. 24
ACER X223W...
X223W LCD Service Guide - Page 28
.... 5.
Troubleshooting (continued) 5.7 Checking the interface circuit of sync signal
5.7.1 Checking the control circuit of horizontal sync pulse
ACER X223W
27
Go to cover page
Check the horizontal sync signal on I305 pin27 TTL
level. NG OK
Check the horizontal sync signal on P302 pin13 TTL
level.
NG OK
Failure Point Process "Checking the resolution...
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