Acer AL2223WD AL2223WD Service Guide
Acer AL2223WD Manual
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- Acer AL2223WD | AL2223WD Service Guide - Page 1
Acer AL2223W Service Guide Service guide files and updates are available on the CSD web: for more information, Please refer to http://csd.acer.com.tw/ 100% Recycled Paper - 1 - - Acer AL2223WD | AL2223WD Service Guide - Page 2
, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no representations or warranties, either expresses or implied, with respect to the contents hereof and specifically - Acer AL2223WD | AL2223WD Service Guide - Page 3
used in this manual: Screen messages Note Warning Caution Important Denotes actual messages that appear on screen Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. Gives precautionary - Acer AL2223WD | AL2223WD Service Guide - Page 4
supports, please read the following general information. 1. this Service Guide provides you with all technical information relating to the BASICCONFIGURATION decided for Acer not be noted in the printed Service Guide, for ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part - Acer AL2223WD | AL2223WD Service Guide - Page 5
and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, not expose the monitor to rain or moisture. Dangerously high voltages are present inside the monitor. Do not open the cabinet. Refer servicing to qualified personnel - Acer AL2223WD | AL2223WD Service Guide - Page 6
sold with the monitor. If you mount the monitor on a wall or shelf, use a mounting kit approved by the manufacture and follow the kit instructions. l Slots refer all servicing to qualified service personnel. l To ensure satisfactory operation, use the monitor only with UL listed computers which have - Acer AL2223WD | AL2223WD Service Guide - Page 7
SPECIAL NOTES ON LCD MONITORS The following symptoms are normal with LCD monitor and do not indicate a problem. NOTES l Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the Power Switch and then turn it on again to make sure the flicker disappears. l - Acer AL2223WD | AL2223WD Service Guide - Page 8
Table of contents Chapter 1 MONITOR FEATURE 9 Chapter 2 OPERATING INSTRUTION 25 Chapter 3 Machine assembly 31 Chapter 4 TROBLE SHOOTING 42 Chapter 5 CONNECTOR INFORMATION 45 Chapter 6 FRU LIST 47 Chapter 7 SCHEMATIC DIAGRAM 51 Chapter 8 POWER BOARD INFORMATION 60 - 8 - - Acer AL2223WD | AL2223WD Service Guide - Page 9
Monitor Feature Chapter 1 LCD Panel Input Display Color Maximum Dot Clock ® Max Resolution Plug & Play EPA ENERGY STAY Audio output Input Connector Input Video Signal Screen Size (Active) Power Source Environmental Considerations Weight (N.W.) Dimension Driving system Size Pixel pitch Viewable - Acer AL2223WD | AL2223WD Service Guide - Page 10
/ EXIT * / Volume * / Volume * AUTO / ENTER External Controls : Regulatory Compliance * Contrast/brightness * Focus * Clock * H.Position * W.Position * Language * OSD Color temperature * OSD Position & Timeout * Auto Config * Input * Information * Reset * Exit cUL, FCC, TUV, CE, TCO03. - 10 - - Acer AL2223WD | AL2223WD Service Guide - Page 11
Timings The product has 34 memory modes in total. 26 modes are preset and 8 modes are user definable. MODE NO. 1 2 3 4 RESOLUTION 720 x 400 640 x 480 640x480 640 x 480 Dot clock(MHz) 28.321 25.175 30.24 31.5 f h H-Total ( us ) H-Sync ( us ) H-B-P ( us ) H-Active ( us ) H-F-P ( us ) - Acer AL2223WD | AL2223WD Service Guide - Page 12
MODE NO. RESOLUTION 5 640 x 480 6 800 x 600 7 800 x 600 8 800 x 600 Dot clock(MHz) 31.5 36 40 49.5 f h H-Total ( 26.40 (1056 dots) 2.00(72 dots) 3.200 (128 dots) 3.56(128 dots) 2.200 ( 88 dots) 22.22(800 dots) 20.00 ( 800 dots) 0.67(24 dots) 1.000 (40 dots) 46.875kHz 21.333 (1056dots) - Acer AL2223WD | AL2223WD Service Guide - Page 13
MODE NO. RESOLUTION 9 800 x 600 10 832 x 624 11 1024 x 768 12 1024 x 768 Dot clock(MHz) 50 57.283 65 75 f h H-Total ( us ) H-Sync ( us ) H-B-P ( us ) H-Active ( - Acer AL2223WD | AL2223WD Service Guide - Page 14
MODE NO. RESOLUTION 13 1024 x 768 14 1280 x 1024 15 1280 x 1024 16 1152 x 864 Dot clock(MHz) 78.75 108 135 108 f h H-Total ( us ) H-Sync ( us ) H-B-P ( us ) H-Active ( us ) H-F-P ( us ) 60.02kHz 16.66(1312 dots) 1.22 (96 dots) 2.23 (176 dots) 13.00 (1024 dots) 0.20 (16 dots) 63.981kHz - Acer AL2223WD | AL2223WD Service Guide - Page 15
MODE NO. RESOLUTION 17 1280 x 960 Dot clock(MHz) 108 18 1600 x 1200 162 19 1280 x 720 74.176 20 1280 x 768 79.5 f h H-Total ( us ) 60.000 KHz 75.000 KHz 16.667 (1800dots) 13.333 (2160 dots) 44.955KHz 22.244 (1650dots) 47.776KHz 20.931 (1664dots) H-Sync ( us ) 1.037 ( 112 dots - Acer AL2223WD | AL2223WD Service Guide - Page 16
MODE NO. RESOLUTION 21 1280 x 768 Dot clock(MHz) 102.25 22 1360 x 768 85.5 23 1440 x 900 106.5 24 1440 x 900 136.75 f h H-Total ( us ) 60.289KHz 16.587 (1696dots) 47.712KHz 20.959 (1792dots) 55. - Acer AL2223WD | AL2223WD Service Guide - Page 17
MODE NO. RESOLUTION 25 1680 x 1050 Dot clock(MHz) 146.25 26 848 x 480 33.75 f h H-Total ( us ) 65.29 KHz 31.02 KHz 15.316 (2240 dots) - Acer AL2223WD | AL2223WD Service Guide - Page 18
5 4 Monitor Block Diagram A3 PC5V D PC5V RIN GNDR GIN GNDG BIN GNDB SOG VSYNC HSYNC R+ RG+ GB+ BCLK+ CLK- DDCA_SDA DDCA_SCL C DET_VGA DDCD_SDA DDCD_SCL DET_DVI PC5V 3.INPUT A2 HPD_CTRL +5V B VCC3.3 VCC1.8 VCC12 PC5V VCTRL VCC12 on_BACKLIGHT +5V Adj_BACKLIGHT VCC3.3 VCC1.8 2. - Acer AL2223WD | AL2223WD Service Guide - Page 19
PCB CONDUCTOR VIEW Main Board - 19 - - Acer AL2223WD | AL2223WD Service Guide - Page 20
- 20 - - Acer AL2223WD | AL2223WD Service Guide - Page 21
Button Board - 21 - - Acer AL2223WD | AL2223WD Service Guide - Page 22
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Power Board - 23- - Acer AL2223WD | AL2223WD Service Guide - Page 24
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OPERATING INSTRUCTIONS Chapter 2 Front Panel Definition This Section defines the front panel User Interface for Led Indictor , press to enter a selection in OSD. If OSD is 5 AUTO inactive, press and the monitor will automatically optimize the position, focus and clock of your display. - 25 - - Acer AL2223WD | AL2223WD Service Guide - Page 26
dark and light shades of color relative to each other to achieve a comfortable contrast. Brightness: This adjusts the brightness of the picture on the screen. Color temp. : There are three ways of adjusting color: Warm (Reddish white) Cool (Bluish white) User : You can adjust the colors red, green - Acer AL2223WD | AL2223WD Service Guide - Page 27
Option Auto Config. : System runs auto -configuration. nformation: This shows brief information on the screen. Analog Input: Setting Language: Select the OSD menu language from English, French, German, Italian, Spanish, Simplified Chinese, Traditional Chinese, Japanese and Russian. OSD H. Position - Acer AL2223WD | AL2223WD Service Guide - Page 28
R,G,B GAIN: Adjust current RGB Driver value. SPREAD : Adjust chip set internal frequency spread effect for EMI testing . Factory 2 Adjustment: This page only visible in factory mode AUTO BURN Use the chip set internal pattern for hot running monitor panel and inverter. AUTO COLOR Perform Auto - Acer AL2223WD | AL2223WD Service Guide - Page 29
BE NON-FUNCTIONAL IF THERE IS NO VIDEO INPUT SIGNAL. IN ORDER FOR THIS MONITOR TO OPERATE PROPERLY, THERE MUST BE A VIDEO INPUT SIGNAL. This monitor meets the Green monitor standards as set by the Video Electronics Standards Association(VESA) and/or the United States Environmental Protection Agency - Acer AL2223WD | AL2223WD Service Guide - Page 30
intended for connection to power outlet of personal computer: Please use a cord set consisting of a minimum No. 18 AWG, type SJT or SVT three conductors flexible cord. One end terminates with a grounding type attachment plug, rated 10A, 250V,CEE-22 male configuration. The other end terminates with - Acer AL2223WD | AL2223WD Service Guide - Page 31
Chapter 3 Machine assembly This chapter contains step-by-step procedures on how to assemble the monitor for maintenance and trouble shooting NOTE : 1. The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding to avoid mismatch when - Acer AL2223WD | AL2223WD Service Guide - Page 32
Real View : Top View : - 32 - - Acer AL2223WD | AL2223WD Service Guide - Page 33
Side View : ( unit : mm ) - 33 - - Acer AL2223WD | AL2223WD Service Guide - Page 34
cable to inverter board. 3. Assembly inverter board and shielding cover 1. Insert keyboard cable on the main board 2. Insert button cable on the main board. 3. Insert LCD cable on the main board. - 30 - - Acer AL2223WD | AL2223WD Service Guide - Page 35
SPONGE CUSHION AND PUT IT IN THE MIDDLE OF CONVEYER] 2.[GET PCB SHIELD AND PUT IT IN THE MIDDLE OF CONVEYER] 1.[GET M/B AND LCD CABLE,THEN INSERT LCD CABLE IN M/B CONNECTOR] 2.[GET BUTTON CABLE,THEN INSERT IT IN M/B CONNECTOR] 3.[ PUT M/B IN THE CONVEYER] 1.[GET POWER/B AND INSERT JUMPER IN THE - Acer AL2223WD | AL2223WD Service Guide - Page 36
THE INCOMING TAPE] 1.[UNCOVER PANEL PROTECTIVE FILM AND INSPECT IF PANEL IS DIRTY OR SCRATCHED] 2.[PASTE TYPE ON THE PROTECTIVE FILM TO FASTEN IT] 3.[TURN LCD,TEAR OFF INCOMING TYPE] - Acer AL2223WD | AL2223WD Service Guide - Page 37
FASTEN IT AND PANEL] 1.[GET BEZEL AND CHECK ITS APPEARANCE] 2.[ASSEMBLE BEZEL ON PANEL﹐THEN PASTE TYPE TO FASTEN PROTECTIVE FILM ON THE BEZEL] 3.[TURN LCD] 1.[SCAN S/N AND POWER CODE] 2.[FASTEN BKT AND BEZEL IN THE RIGHT SIDE WITH SCREW (M3*3-I)3*PCS ] - Acer AL2223WD | AL2223WD Service Guide - Page 38
/B AND INSERT IT INTO BEZEL] 2.[STICK 1*PCS RUBBER AT THE APPOINTED PLACE] 1.[GET SHIELD ON THE BKT R/L] 2.[INSERT LCD CABLE INTO PANEL CONNECTOR] 3.[STICK 1*PCS YELLOW TAPE TO FASTEN LCD CABLE] 4.[TRIM WIRES AND ASSEMBLE SHIELDING IN RIGHT POSITION] 1.[LOCK 4*PCS SCREW(M3*4-T) TO FASTEN PCB SHIELD] - Acer AL2223WD | AL2223WD Service Guide - Page 39
1.[PUT THE SPEAKER AT THE APPOINTED PLACE] 2.[INSERT NETHER CCFT CABLE IN INVERTER CABLE] 1.[FASTEN 2*PCS IO-NUT IN THE VGA JOINT] 2.[FASTEN 2*PCS IO-NUT IN THE MB JOINT] 1.[LOCK SCREW (F2.5*8.0-P)*4pcs TO FASTEN SPEAKER] 2.[LOCK 4*PCS SCREW(M3*6-T) TO FASTEN SPEAKER] 1.[STICK AL FOIL AT THE - Acer AL2223WD | AL2223WD Service Guide - Page 40
PLACE] 1.[FETCH TRAVEL CARD, TEAR OFF 1*PCS APPOINTED S/N FROM TRAVEL CARD AND PASTE IT ON THE COVER] 2.[LOCK 2*PCS SCREW (F3*8-B) TO FASTEN BEZEL AND LCD COVER] 3.[GET STAND NECK AND INSPECT IF IT IS DIRTY AND SCRATCHED,THEN PUT IT IN THE CONVEYER] 1.[AT FIRST CHECK IF 2*PCS SCREW IN - Acer AL2223WD | AL2223WD Service Guide - Page 41
1.[INSERT DVI CABLE IN DVI CONNECTOR] 2.[INSERT POWER CABLE IN POWER CONNECTOR] 3.[INSERT POWER CABLE IN POWER CONNECTOR] 1.[AT FIRST CHECK NECK]. 1.[INSERT VGA CABLE IN VGA CONNECTOR] 2.[GET BASE FIXTURE AND ASSEMBLE IT TO STAND NECK] 1.[LET MONITOR STAND] 2.[INSERT POWER CABLE IN POWER CONNECTOR] - Acer AL2223WD | AL2223WD Service Guide - Page 42
This chapter provides trouble shooting information forAL1932 Trouble Shooting 1. No Power No Power Change NO Power Board No Check Short Of Main Board NO Change Q3,D1,U1,D2 NO Change X1 NO - Acer AL2223WD | AL2223WD Service Guide - Page 43
2. Missing Color Change NO Cable Change NO R1,R5,R10, U2 NO Change U4 or CN2 Cable or Panel NO Adjustment R/G/B Color Missing Color Check VGA Cable Yes Check R27,R29,R31 Yes Check CN2 LVDS Signal Yes Check OSD R/G/B Gain Yes Change Panel - 43 - - Acer AL2223WD | AL2223WD Service Guide - Page 44
3. Always show "NO SIGNEL" "NO SIGNEL" Change Cable NO Check VGA Cable Yes VGA Check C23,C24,R44,R4 5 Yes Change U4 NO Change R42,R43,FB1,R 44,R45 C23,C24 - 44 - - Acer AL2223WD | AL2223WD Service Guide - Page 45
Audio cable PIN3. Audio : Line -in receptacle J1 1 2 3 PHONEJACK STEREO Video signal connector 15P Mini D-Sub CN6 10 5 9 4 8 3 7 2 6 1 8 BG 9 +5V 10 SG 11 NC 12 SDA 13 HS 14 VS 15 SCL SIGNAL Red Video Green Video Blue Video None Ground(DDC return) Red GND Green GND Blue GND - Acer AL2223WD | AL2223WD Service Guide - Page 46
Proprietary connecting of DVI box The 44 pin of proprietary DVI box is defined as follows: 1 RX22 RX2+ 3 RX1- 4 RX1+ 5 RX06 RX0+ 7 RXC8 RXC+ 9 GND 10 GND 11 Y0 12 Y1 13 Y2 14 Y3 15 Y4 16 Y5 17 Y6 18 Y7 19 LLC VPC 20 KEY1 21 GND 22 KEY2 23 SCART_FUNC - Acer AL2223WD | AL2223WD Service Guide - Page 47
may have a DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the local FRU list provided by your regional Acer office to order FRU parts repair and service of customer machines. NOTE: To scrap or to return the defective parts, you should follow the - Acer AL2223WD | AL2223WD Service Guide - Page 48
- Acer AL2223WD | AL2223WD Service Guide - Page 49
1 16 DDL7TBBU000 CABLE MB-BUTTON 1 2 MM30030IBJ4 SCREW M3*3-I-NI 10 17 FAWBTB03010 LCD-BKT-R WBTB 1 3 AAM220EW000 LCD(TFT)22''M220EW01 V0 FOR ACER CON GP 1 18 DD0L9ELC030 CABLE LVDS 1 4 FAWBTB02013 LCD BKT-L WBTB 1 19 FCWBTB01019 MYLAR POWER WBTB 1 5 FCL7TA01018 SHIELDING MYLAR L7TA 1 20 - Acer AL2223WD | AL2223WD Service Guide - Page 50
Part list Above picture show th description of the following component Item Picture Description Part No 1 back cover 25WBTBLC006 2 bezel 34WBTBLB009 3 base 38L0TBBS005 4 stand 26L0TBSA001 - 50 - - Acer AL2223WD | AL2223WD Service Guide - Page 51
5 4 D PC5V C PC5V B A3 PC5V 3.INPUT A2 RIN GNDR GIN GNDG BIN GNDB SOG VSYNC HSYNC R+ RG+ GB+ BCLK+ CLK- DDCA_SDA DDCA_SCL DET_VGA DDCD_SDA DDCD_SCL DET_DVI HPD_CTRL +5V VCC12 VCC3.3 VCC1.8 - Acer AL2223WD | AL2223WD Service Guide - Page 52
5 CN1 CONN 4x2-R 1 2 3 4 +5V 5 6 7 8 D R1 0/1206 C4 1uF/8 R5 C VCC12 4 VCC12 5,6 C1 0.1uF/6 VCC3.3 VCC3.3 R2 R3 0/6 10K/6 Q1 R4 1K/6 10K/6 MMST3906 VCC3.3 R6 C3 0.1uF/6/NC 10K/6 R8 1K/6 R9 0/6 5% C6 1uF/8/NC 3 Q2 2N3904 2 R11 2.2K/6 on_BACKLIGHT 4 Adj_BACKLIGHT - Acer AL2223WD | AL2223WD Service Guide - Page 53
RX0RX0+ GND RX5RX5+ GND RXC+ RXC- 17 18 19 20 21 22 23 24 DAT2DAT2+ DVI5V DVI5V DVI_SCL DVI_SDA DAT1DAT1+ HPD DAT0DAT0+ DCLK+ DCLK- 26 DVI-D 5 D16 Z5.6V/NC D15 Z5.6V/NC R44 2.2K/6 D26 Z3.6V/NC A Title TVI TSUMU58WJ Size Document Number Custom INPUT Rev A1A Date: Sheet 3 of 6 1 - Acer AL2223WD | AL2223WD Service Guide - Page 54
GNDB HSYNC VSYNC R+ RG+ GB+ BCLK+ CLK- 28 27 25 24 26 23 22 32 33 34 35 RIN0P RIN0M GIN0P GIN0M SOGIN0 BIN0P BIN0M HSYNC0 VSYNC0 DDCA_SDA/RS232_TX DDCA_SCL 113 24C04/NC R102 10K/6/NC JP1 HDCP Key (288Bytes) 1 R104 0/6/NC 2 3 HEADER4X1/NC HDCP FUNCTION A VCC3.3 VCC3.3 FB2 CX201209813/8 - Acer AL2223WD | AL2223WD Service Guide - Page 55
19 21 23 25 12 34 56 78 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 2 4 6 8 10 12 14 16 18 20 22 24 26 27 29 27 28 29 30 28 30 1841 30P VPANEL D3 R24 2.2K/6 Q5 G2 1 S 3 B DTC144EUA 2 C3 - Acer AL2223WD | AL2223WD Service Guide - Page 56
5 4 3 2 +12V_A AR1 1K/6 AR2 10K/6 AR3 10K/6 VOLU +12V_A AL1 VCC12 CX201209813/8 VCC12 2,5 AC1 1uF/8 AR4 3.9K/6 3 D 4 VOLUME AR5 2K/6 2 AQ1 2N3904 1 +12V_A PC AUDIO-IN AJ1 1 5 4 3 2 ZD005D100 L_LINE R_LINE C AGND 4 MUTE 2,4 VCC3.3 B 4 STBY VCC3.3 AR13 10K/6 AC7 - Acer AL2223WD | AL2223WD Service Guide - Page 57
5 D CN8 8 7 6 5 4 3 2 1 JST 8Pin PH2.0mm H C 4 MENU_O SEL_O PWR_O RIGHT_O LEFT_O AMBER_O GREEN_O B A 5 4 3 2 1 SW1 TOUCH SWITCH 4P MENU D SW2 TOUCH SWITCH 4P AUTO SW3 TOUCH SWITCH 4P POWER SW4 TOUCH SWITCH 4P C RIGHT SW5 TOUCH SWITCH 4P LEFT LD1 LED Dual AMBER 1 2 3 GREEN LD2 LED - Acer AL2223WD | AL2223WD Service Guide - Page 58
D15 R12 DBRT LI D16 R40 R19 C8 R9 R10 Q3 R6 R7 C6 R11 U1 14 LOK 13 ENSYNC 12 ABRT BTL 23 PRL 22 OUTL 25 11 DBRT UGL 24 10 BRS VCCL 26 9 BRC LGL 27 8 LCC PGL 28 C 7 LCS BTR 16 R1 C1 R3 C2 C4 R4 - Acer AL2223WD | AL2223WD Service Guide - Page 59
1 2 3 4 3 CN100 1 L F101 SW101 2 1 LF101 2 D FG TH101 LF102 2 R101 1 BD101 R102 2 3 C114 1 + R112 C260 1 T101 9.10 R260 C261 + CY101 VA101 CX101 ZD110 C115 N C 4 3 CY102 3 4 CY104 R123 R122 R121 U101 R124 6 Ilimit Drain 1 4 R120 R113 3 D110 D260 D240 6.7 - Acer AL2223WD | AL2223WD Service Guide - Page 60
Chapter 8 Power Board Information Panel P/N Description Current Type Value AAM220EW000 LCD(TFT)22" M220EW01 V0 FOR ACER CON GP 7.0 mA P/B P/N AS05B3E0409 Description ADP/INV,FSP055-2PI02(90-264V,6.~7.5MA)GP When the lamp current value is 7.0mA, the jumper should be done