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Acer Acer –LCD-B223W
Service Manual
LCD Monitor Acer B223W
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1 Table of Contents Important Safety Notice .........................................................................................01 01 Product Specification ..........................................................................................03 02 Flat Panel Specification .......................................................................................18 03 Exploded Diagram ..............................................................................................37
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Acer Acer –LCD-B223W Important Safety Notice 1. Safety precautions This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However, improper used or installation may cause damage to the monitor as well as to the user. Warning: This monitor should be operated only at the correct power sources indicated on the label on the rear of the monitor. If you’re unsure of the power s
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Acer Acer –LCD-B223W 01 Product Specification 1. General: BV223W series LCD monitor is designed with a wide screen 22.0” WSXGA+ TFT LCD panel, LVDS interface, Analog RGB signal input. It featured with embedded universal AC power supply. This monitor can support maximum resolution up to 1680 x 1050@60Hz. Details in this document DVI referred to is an option function depending on client’s requirement. In our factory
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Acer Acer –LCD-B223W Note 2: Altitude spec must not over panel spec. Figure 1 Absolute Ratings of Environment 2.1 Safety, EMC, Ergonomics and Compatibility Requirements cUL, UL, CE, CB, CCC, TUV/GS, TUV/EGO, Safety & EMC TUV/ISO-13406-2, C-Tick (N214), VCCI, FCC, CE, CCC, BSMI, C-Tick Ergonomics TCO99, TCO03 Compatibility Windows 98/Me/2000, Windows XP, Window Vista Power Management Energy Star V4 2.2 Electro
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Acer Acer –LCD-B223W (DC output full loading and nominal AC input voltage range) 3.1.6 Ripple and Noise Total composite ripple and noise less than 320mV for +16V output, and less than 150mV for +5V output, and 50mV for +3.3V output tested by DC loading side parallel with a 47uF/EC and 0.1uF/Ceramic. Capacitors and measured band-width with DC-20MHz 3.1.7 DC Output Voltage and Current Current DC Output Voltage
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Acer Acer –LCD-B223W On Load Function: Item Symbol Min. Typ. Max. Unit Remark Input Current I --- 1.8 2.2 A in Frequency F 40.0 45.0 80 kHz @Max-Load Output Current for PWM dimming control I 3.0 7.0 8.0 mArms L One Lamp mode: 2mA ≤I ≤8mA L Vo --- 750 --- Vrms Operating Voltage Brightness PWM 35% --- 100% duty Kick Off Voltage @Vin=16.0V T 1.0 1.5 --- S Hold Up Time Brightness=3.3V @Vin=16.0V Efficienc
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Acer Acer –LCD-B223W L/10 L/2 W/10 4 6 5 1 2 3 7 8 9 W/2 4. Input / Output Signal Specifications 4.1 Video signals Analog RGB signal: 0.7Vp-p (Input impedance = 75 Ohm) Sync: TTL level (Input impedance 1k Ohm) Positive and negative sync of Separate Horizontal/Vertical Sync Digital : TMDS Signal: (min) ±200mVpp@24Bit 4.2 Signal Timing Through D-SUB/DV
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Acer Acer –LCD-B223W UXGA 1600*1200@60Hz 75.000 P 60.000 P 162.000 WXGA 1360*768@60Hz 47.712 P 60.015 P 85.5 1440*900(Red)@60Hz 55.469 P 59.901 N 88.75 WXGA+ 1440*900@75Hz 70.635 N 74.984 P 136.75 WSXGA+ 1680*1050@60Hz 65.290 N 59.954 N 146.250 IBM MODES 640*350@70Hz 31.469 P 70.087 N 25.175 EGA 720x400@70Hz 31.469 N 70.087 P 28.322 MAC MODES VGA 640*480@66.7Hz 35.000 P 66.667 P 30.240 SVGA 832*624@7
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Acer Acer –LCD-B223W V223W DVI 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 FF FF FF FF FF FF 00 04 72 1B 00 00 00 00 00 0 00 00 01 03 80 2F 1E 78 EA DE 95 A3 54 4C 99 26 1 0F 50 54 BF EF 90 A9 40 71 4F 81 40 01 01 95 00 2 95 0F 90 40 01 01 21 39 90 30 62 1A 27 40 68 B0 3 36 00 DA 28 11 00 00 19 00 00 00 FD 00 38 4D 1F 4 54 11 00 0A 20 20 20 20 20 20 00 00 00 FF 00 30 5 30 30 30 30 30 30 30 30 30 30 30 0A 00 00 00
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Acer Acer –LCD-B223W A. When OSD isn’t shown on screen, press [MENU] to enter OSD interface. The OSD interface uses “ACER e Color Management” and “User” to instead “Contrast” and “Brightness” separately. When press “ACER e Color Management” to show “e Color OSD”, and press “User” to show OSD interface before. The translations of “ACER e [MENU] Color Management” and “User” are always English. B. When OSD displays, pr
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Acer Acer –LCD-B223W Focus --- 0 ~ 100 Depend on each timing Image Clock --- 0 ~ 100 50 ○ 1 Horizontal 0 ~ 100 --- 50 Position Vertical --- 0 ~ 100 Depend on each timing Warm (6500K) --- --- Cool (9300K) --- --- Color Red 80 0 ~ 100 User Green 0 ~ 100 80 Blue 80 0 ~ 100 NO-EMEA EMEA English English --- --- Deutsch Deutsch --- --- Español Español --- --- Language 简 Hollands --- --- English
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Acer Acer –LCD-B223W 6. SOP of firmware upgrade 6.1 Operational condition: Equipment: PC, ISP card, signal cable and power cable. ESD requirements: antistatic wrists, antistatic gloves (fingers), and connecting cable Name of ISP program: RTDTool_4.6.exe Manufacture of FW IC RTD 2525L 6.2 Operational steps: 1. Connection: connect PC to PCBA with signal cable, and then keep AC and DC in open state.
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Acer Acer –LCD-B223W Secondly download FW software: first select “READ”, and then load FW software in Rooter (Fig.2). FW software rooter Software Checksum Thirdly, select “Connect” and enter ISP MODE as in the following Figure 3. 13
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Acer Acer –LCD-B223W Fourthly, select “AUTO”, and keep its default value. Click “RUN” for beginning programming. There will be prompting if programming is OK. Note: if programming fails or success rate is not high, click “Config” and adjust its speed in “E2PROM DEVICE SETTING” 14
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Acer Acer –LCD-B223W After connecting, AC ON, DC ON Flowing chart OK Open ISP program OK Choose manufacturer and model of FW IC OK LOAD FW software OK Click Connect and enter ISP MODE OK Choose Config and adjust programming NG OK Turn off power if programming is OK 15
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Acer Acer –LCD-B223W 02. Flat Panel Specification 16
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MT220WW 01 V.0 SPEC NO. 3/23 PAGE Contents: A. General Specification B. Electrical Specifications 1. Pin assignment 2. Absolute maximum ratings 3. Electrical characteristics a. Typical operating conditions b. Display color vs. input data signals c. Input signal timing d. Display position e. Backlight driving conditions C. Optical specifications D. Reliability test items E. Safety F. Display quality G. Handling precaution H. Label I. Mechanical drawings
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MT220WW 01 V.0 SPEC NO. 4/23 PAGE A. General Specification NO. Item Specification Remark 1 Display resolution (pixel) 1680(H) X 1050(V), WSXGA+ resolution 2 Active area (mm) 473.76(H) X 296.1(V) 3 Screen size (inch) 22 inches diagonal 4 Pixel pitch (mm) 0.282(H) X 0.282(V) 5 Color configuration R, G, B vertical stripe 6 Overall dimension (mm) 493.7 (W) X 320.1 (H) X 16.5 (D) (typ.) 7 Weight (g) 2900 (max.) 8 Surface treatment Anti-glare, Haze = 25%, Hard coating (3H)
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MT220WW 01 V.0 SPEC NO. 5/23 PAGE B. Electrical Specifications 1.Pin assignment Connector JAE FI-XB30SSRL-HF16, Foxconn GS23302-0311R-7F or mechanical interface equivalent connector. Pin No. Symbol Description Frame VSS Ground 1 RXinO0- -LVDS differential data input, Chan 0-Odd 2 RXinO0+ +LVDS differential data input, Chan 0-Odd 3 RXinO1- -LVDS differential data input, Chan 1-Odd 4 RXinO1+ +LVDS differential data input, Chan 1-Odd 5 RXinO2- -LVDS differential data i
