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ACER
ACER_LCD_G24_SM080519V1
Service
Model ID:MB243WABNS
Service Manual
Table of Contents
Important Safety Notice------------------------------------------------------------------------------------- 01
01. Product Specification--------------------------------------------------------------------------------- 02
02. OSD Menu-----------------------------------------------------------------------------------------------08
03. Exploded Diagram----------------------------------------------------------
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Important Safety Notice ACER G24 1 Go to cover page Product Anouncement: This product is certificated to meet RoHS Directive and ! Using Lead-Free solder to well mounted the parts. Lead-Free produced definition. Using approved critical ! The fusion point of Lead-Free solder requested in the components only is recommended when the situation degree of 220°C. to replace defective parts. Vender assumes no liability express or implied, arising out of any unauthorized modification of design or replaci
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ACER G24 2 1. Product Specification Go to cover page 1.1 SCOPE This document defines the design and performance requirements for a 24W inch diagonal , flat panel monitor MONITOR SPECIFICATIONS .The display element shall be a WUXGA (1920x1200) ITEM SPEC Analog: resolution TFT-LCD (Thin Film Transistor Liquid Crystal Signal Input Frequency H: 30kHz~94kHz (Analog) V: 55Hz~76Hz Display).16.7M color(RGB Hi+FRC) images are displayed on the panel.Video input signals are analog RGB (0.7Vp-p). Pixel cloc
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ACER G24 3 1. Product Specification (continued) Go to cover page C onnector Pin A ssignm ent 1.3.2.1 Video Signal Amplitudes DSUB P in Signal P in Signal P in Signal The three video inputs consist of Red ,Green , and Blue 1 R ed-V ideo 6 Red-GND 11 NC 2 G reen-V ideo 7 Green-GND 12 DDC-SDA signals, each with its own coaxial cable terminated at the 3 Blue-Video 8 Blue-GND 13 H-SYNC monitor. These video signals are analog levels, where 0 4 NC 9 +5V 14 V-SYNC 5 DDC-GND 10 Sync-G N D 15 DDC-SCL V co
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ACER G24 4 1. Product Specification (continued) Go to cover page 1.3.2.6 Abnormal Signal Immunity 1.3.3.4 OSD adjustment The monitor shall not be damaged by improper sync timing , pulse duration , or absence of sync , or ITEM CONTENT abnormal input signal amplitude ( video and/ or sync BRIGHTNESS BacklightLuminanceoftheLCDpanelisadjusted. too large or too small) , or any other anomalous CONTRAST Againof R,GandBsignalisadjusted. behavior of a graphics card video generator when AUTOCONTRAST Againo
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ACER G24 5 1. Product Specification (continued) Go to cover page 1.3.4.3 Mode Recognition Pull-in ■ Digital inputs (DVI, HDMI): Conflicting video- and PC The monitor shall recognize preset modes within a timings are to be treated as Video timings with one range of +/-1KHz whichever is less for horizontal ; exception: 640x480p/60Hz timing to be treated as PC-timing. and within +/-1Hz for vertical. ■ Analog input (VGA) treats all timings as PC-timings. 1.3.4.4 User Display Modes In addition to the
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ACER G24 6 1. Product Specification (continued) Go to cover page Table 2 1.4.2 Panel Timings AC to DC Converter Requirements The controller included with the monitor shall translate all The operating range shall be from 90 to 132 and 195 to 265 AVC Input Voltage Range sinusoidal for all models specified. video timings from the CPU that meet the timing Input power frequencyrange sha;; be from 47.5 to 63 Hz over the Input FrequencyRange specified input voltage range. requirements listed in Panel s
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ACER G24 7 1. Product Specification (continued) Go to cover page 1.4.5.2 Display Degradation Over the life of the product , variation of the parameters 1.4.5.6 Smudges, Streaks and Smears specified in Panel specification shall be maintained When viewing the panel oriented so as to maximize within reasonable limits.The panel must not exhibit any reflected light , there shall be no visible smudging , significant defects while in operation ( excluding the streaking, smearing or other nonuniformity
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ACER G24 8 2 OSD Menu Go to cover page 2.1 MAIN OSD MENU Outline: The description for control function:
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2. OSD Manu (continued) ACER G24 9 Go to cover page
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ACER G24 10 3. Exploded Diagram Go to cover page 3.1 Packing Exploded Diagram
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ACER G24 11 3. Exploded Diagram (continued) Go to cover page 3.2 Product Exploded Diagram
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ACER G24 12 4. Assembly and Disassembly Procedures Go to cover page 4.1 Assembly procedures: Use a Phillips-head screwdriver screwed the Connect the cable between power board(P802) S4 S1 No.1~4 screws till that interface board and bracket and interface board (P301) chassis base firmly attached. Connect the function key cable into interface (No1~4 screw size=M3x6; Torque=9~10KGFxCM). board(P303) Connect the cable between power board(P803)and 2 3 inverter board (Cn001) Connect the FFC cable into i
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ACER G24 13 4. Assembly and Disassembly Procedures (continued) Go to cover page Connect cable into inverter board(CN001) S7 Take an inverter shielding bracket to cover the inverter board Use a Phillips-head screwdriver screwed the No.1~6 screws till that inverter shielding bracket and bracket chassis base firmly attached. (No1~6 screw size=M3x4; Torque=9~10KGFxCM). Plug in parallel direction 1 4 CNOO1 2 5 3 6 Angel < 5 degrees Connect the FFC cable to the connector of the LCD S8 panel. Take lamp
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ACER G24 14 4. Assembly and Disassembly Procedures (continued) Go to cover page Take a key function board to hook with front Use a Phillips-head screwdriver screwed the S16 S12 No.1~4 screws on both side and assemble the bezeland connect to key function cable. LCD panel and bracket chassis module. (No1~4 screw size=M3x6; Torque=2.5 KGFxCM). 1 2 4 3 Use a Phillips-head screwdriver screwed the S13 Put arc ear overontheassembledunitand No.1~2 screws. (No1~2 screw size=M4x10; S17 pm ress on force ec
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ACER G24 15 4. Assembly and Disassembly Procedures (continued) Go to cover page Assemble the hinge cover into both two sides Take two cushion foams; one is held the above S19 S23 side of LCD monitor, and another is held the below side. Stick a screen card on the front bezel with two S20 tapes. Put accessories of stand, DVI cable, and S24 user’s manual ,power cable on specific positions as photo below. PUT CABLE IN THIS POSITION Stick Vista and TC003 label on the correct S21 position the same as
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ACER G24 16 4. Assembly and Disassembly Procedures (continued) Go to cover page 4.2 Disassembly procedures Put returned unit on a protective cushion,then S4 Open the carton with a proper tool. remove LDPE+EPE bag. S1 Tear off tapes to remove the screen protector card then turn over the LCD monitor (screen faced down), FEATURE LABEL VISTA LABEL Take out all accessories including D-SUB cable S2 power cable, DVI cables, user’s manual, and packing material from the carton. (Note: It depends on wheth
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UP SIDE DOWN SIDE ACER G24 17 4. Assembly and Disassembly Procedures (continued) Go to cover page Hold the one upside corner of the front bezel after Put the dissembled monitor closed to by myself S9 separating the upside of the front bezel S8 Using properly force to pull up front bezel that will let the locking mechanism of left side, right side RIGHT SIDE and down side separated LEFT SIDE Wedge your finger between the front bezel and the panel, then pry up on the front bezel to disengage the l
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ACER G24 18 4. Assembly and Disassembly Procedures (continued) Go to cover page Use a Hex-head screwdriver unscrewed 5 screws to Unplug 6 lamp cables S15 S12 release the DVI ,D-SUB and HDMI connectors (No1~4Hex Nut screws Size=M3x8;Torque=6.5 0.5KGFxCM). (No.5 screw size=M3x8; Torque= 6.5 0.5KGFxCM). 1 2 5 3 4 Disconnect the FFC cable to the connector of panel. S16 Use finger to push the lock according to arrow direction then take out the FFC cable Use a Phillips-head screwdriver unscrewed the S
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ACER G24 19 4. Assembly and Disassembly Procedures (continued) Go to cover page Examine the panel surface accoring to inspection Use a Phillips-head screwdriver unscrewed the S18 criteria. Put it aside. S21 No.1~4 screws to release the interface board. (No1~4 screw size=M3x6; Torque=9~10KGFxCM). 2 3 1 4 Disconnect the cable from inverter board Use a Phillips-head screwdriver unscrewed the S19 No.1~8 screws (No1~6 screw size=M3x4; Torque=9~10KGFxCM). Use a Phillips-head screwdriver unscrewed the
