Acer P223 Support and Manuals
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Acer P223w Lcd Monitor
How can I dismantle this Monitor to repair the Power Unit?
How can I dismantle this Monitor to repair the Power Unit?
(Posted by janmoni 10 years ago)
Popular Acer P223 Manual Pages
P223W LCD Service Guide - Page 2
... providers assume all series products. To avoid electrical shocks, the products should be connect to replace defective parts. Important Safety Notice
ACER P223W
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Product Anouncement: This product is recommended that service engineers should have repairing knowledge, experience, as well as appropriate product training per new model before removing the AC power cord. !
P223W LCD Service Guide - Page 4
... the driver to any single monitor sync input to the driver is ...1) Schmitt-Triggers Input , Supported 3.3V device H(&V) sync output... fromhost systemfor DDC2Bfunction. 15 GND Ground(Usingas Detect Cable)
Pin Name
Description
16 HP Hot plugging
17 RX0- 1. Product Specification (continued)
ACER P223W
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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...
P223W LCD Service Guide - Page 6
.... AC Inverter Requirements The DC-AC inverter is measured at 220VAC. Input power frequency range sha;; Just do auto-adjusting. Product Specification (continued)
ACER P223W
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1.3.4.3 Mode Recognition Pull-in The monitor shall recognize preset modes within a range of converting the analog RGB signal from a standard SXGA resolution video controller in Table...
P223W LCD Service Guide - Page 8
... Specification (continued)
ACER P223W
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Go to QA Inspection Spec....reviewed by Lite-On as to the polarizer that does not damage the glass
W hen the unit lights, spots appear light (white) with a daylight fluorescent lamp located above the panel surface such that appear light in the monitor (vertical) or major (horizontal) axis appear dim, but not completely on the LCD supplier's spec...
P223W LCD Service Guide - Page 14
....1~4Hex Nut screws Size=M3x8;Torque=3~5KGFxCM).
2
1
4
3
S13
Take a key function board to hook with front bezel (No.1~2) and connect to LCD panel. 4. Assembly and Disassembly Procedures (continued)
ACER P223W
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S8
Connect FFC cable to key function cable.
1
2 Torque=3~4KGFxCM).
1
2
3
4
S7
Plug in should be
noticed
S10
Use a Phillips...
P223W LCD Service Guide - Page 16
...)
S21
Put accessories of stand, DVI cable, and user's manual ,power cable on the carton then packing the carton
FEATURE LABEL VISTA LABEL
USER'S MANUAL
ACER P223W
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POWER CABLE DVI CABLE
STAND
D-SUB CABLE
S22
Move previous assembled parts into the carton then stick Vista and feature label on specific positions as photo below...
P223W LCD Service Guide - Page 22
... is blue)
ACER P223W
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Is backlight lit?
Check OSM menu is black, color of video signal output on screen when you push the "PROCEED" key. 5. Check the host for failure.
NG OK
Failure Point
The LCD video signal cable is connected between the Interface
Board and LCD module.
Troubleshooting (continued)
5.2 Nothing...
P223W LCD Service Guide - Page 24
... from I305 pin86 is a PWM signal. Check the BKLT_EN signal of Inverter part failure.
5.3 Checking the back light unit
5.
NG OK
Failure Point
1) printed wire broke between P301 pin3, R301 and I305 pin86. 2) I305 is failure. Troubleshooting (continued)
ACER P223W
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Is +22V supplied to inverter PWB ? (by the power board...
P223W LCD Service Guide - Page 32
....
Check the 3.3V is failure. Failure Point D326 is input to cover page
Check the 5V is output from P301 pin5, pin6.
NG OK
Check the 1.8V is output from D326 pin 1.
Troubleshooting (continued) 5.11 Checking the DC/DC converter circuit
ACER P223W
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Go to Q305 pin1. 5. NG OK Failure Point 1) Printed wire...
P223W LCD Service Guide - Page 33
...ACER_LCD_P223W_SCHEMATICS_BLOCK DIAGRAM
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LCD Module
AUO M220EW01-V2/V0
A
Backlight
M201EW02-V8/V9
A
CPT CLAA201WA04A
SEC ...Input
Input
G
G
DVI OPTION
1
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PCB No. 6832190100P01
ACER P223W
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6. Brightness,Inv_On/Off +5V
Audio DC 5.3V Out (Option)
I302 DC-DC 5v-3.3v
Q305
VCTRL 1.8v
...
P223W LCD Service Guide - Page 36
...
VOUT 2
1 ADJ
TAB 4
AIC1084_33PM
VCC3V3 TP14
C314 100uF/16V
VCC3V3
Hole1 Case_GND
8 7 6 5
Hole2 Case_GND
8 7 6 5
Hole3 Case_GND
8 7 6 5
1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1
Hole4 Case_GND
8 7 6 5
D E F G
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PCB No. 6832190100P01
ACER P223W
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P223W LCD Service Guide - Page 37
... 4K7
TP47 2
Q302 MMBT3904
R329 2K4
TP51
TP48 DDC_WPn
R331 4K7
VGA_DDC_CLK VGA_DDC_DAT
HSYNC VSYNC
DDC_WPn VGA_DDC_CLK VGA_DDC_DAT
D E F G
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PCB No. 6832190100P01
ACER P223W
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P223W LCD Service Guide - Page 40
...
0.498V
0.498V
C386 0.1UF
C388 0.1UF
C389 0.1UF
C390 0.1UF
1
2
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5
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9
LED_Blue LED_Amber KEY_ADC2
KEY_ADC1
P306 1 2 3 4 5 6
JWT-A2001WV2-06
10
11
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PCB No. 6832190100P01
D E F G
ACER P223W
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P223W LCD Service Guide - Page 43
6.11 ACER_LCD_P223W_LAYOUTS_INTERFACE BOARD
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A
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B
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A
B
C
C
D
D
E
E
F
F
G
G
1
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PCB No.
ACER P223W
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P223W LCD Service Guide - Page 44
6.12 ACER_LCD_P223W_LAYOUTS_FUNCTION KEY BOARD
1
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3
A
4
5
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7
B
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A
B
C
C
D
D
E
E
F
F
G
G
1
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PCB No. ACER P223W
43
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