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Acer Acer –LCD-H243H
Service Manual
LCD Monitor Acer H243H
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1 Table of Contents Important Safety Notice .........................................................................................02 01 Product Specification ..........................................................................................03 02 Flat Panel Specification .......................................................................................15 03 Exploded Diagram ..............................................................................................36
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Acer Acer –LCD-H243H 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
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Acer Acer –LCD-H243H 01 Product Specification 1. General: H243H is designed with LVDS interface and VGA/DVI-D/HDMI input, it featured with embedded universal AC power supplies and audio input. It’s a green product and meets all ROHS standard. The power button and display control buttons are on the front of the monitor. The monitors shall automatically to display lower resolution video modes into1920x1080full screen
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Acer Acer –LCD-H243H Temperature range : -20°C to 60°C Humidity range : 5% to 90% note 2 2.1.3 Altitude Operating 10000 ft (Ta=50, t=24h) Storage 30000 ft (Ta=30, t=24h ) Note 1: Temperature and relative humidity range must be in the area shown as the following figure due to panel limited Note 2: Altitude spec must not over panel spec. 2.2 Safety, EMC, Ergonomics and Compatibili
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Acer Acer –LCD-H243H 75% (DC output full loading and nominal AC input voltage range) Ripple and Noise Total composite ripple and noise less than 800mV for +25V 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 DC Output Voltage and Current 3.1 Brightness output The test t
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Acer Acer –LCD-H243H 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/DVI connectors, this unit can support F = 31~80 KHz, Fv=55~76Hz, with maxi
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Acer Acer –LCD-H243H Vertical / Horizontal Sync polarity: positive or negative. If input signal is out of range of horizontal 31~80 KHz or vertical 55-76Hz, or pixel clock large than 165MHz, message “Input Not Supported” is shown on screen. 4.1 DDC data H243H Analog 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 04 72 74 00 01 01 01 01 1 00 00 01 03 68 35 1D 78 EA 60 85 A6 56 4A 9C 25 2 12 50 54 AF
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Acer Acer –LCD-H243H Number of Pixel 1920 × 1080 Pixel Arrangement R.G.B. Vertical Stripe 2 Brightness 300 cd/m (TYP.) Contrast Ratio 1000 (TYP.) Viewing Angle 170(Horizontal) / 160(Vertical) Display Mode Normally White Frame rate 75 Response Time 5ms (TYP. ON/OFF) / 2ms (Gray to Gray) Surface Treatment Anti-Glare, 3H Lamp 4 Outline Dimension 556.0(W) ×323.2(H) ×16.65(D) (TYP.) 5.2 Keypad Function 5.2.1 Co
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Acer Acer –LCD-H243H Press [e], and then press [POWER] for DC power on. FACTORY ● ON OSD menu will be shown with MODE “F” on the left top. Select “F” for entering factory mode. 5.4 OSD Structure The On-Screen Display (OSD) shall be an easy to use icon based menu through keypad OSD buttons or remote control unit. The unit shall leave the factory with all OSD controls set to their default values. Control Fi
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Acer Acer –LCD-H243H OFF ON ACM --- --- OFF OFF VGA --- --- Input DVI --- --- --- HDMI --- --- EMEA NO-EMEA --- --- English English --- --- Russian --- --- Deutsch Deutsch --- --- Français Français --- --- Language English Español Español --- --- Italiano Italiano --- --- 简 Dutch --- --- Finnish --- --- Reset --- --- --- --- Resolution --- --- --- H. Freq ---
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Acer Acer –LCD-H243H One port of ISP program card is connected to PC print port. 2. Adjust ISP programming Firstly, double click ISP_Tool_v3.7.5EXEI and open ISP program, then select “Device”, next select manufacturer model of FW IC, which should be correspondent with that of PCBA FW IC. Double click Figure One. FW IC Model Secondly download FW software: first select “READ”,
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Acer Acer –LCD-H243H Thirdly, select “Connect” and enter ISP MODE as in the following Figure 3. Fourthly, select “AUTO”, and keep its default value. Click “RUN” for beginning programming. There will be prompting if programming is OK. 12
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Acer Acer –LCD-H243H Note: if programming fails or success rate is not high, click “Config” and adjust its speed in “E2PROM DEVICE SETTING” 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
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Acer Acer –LCD-H243H 2. Flat Panel Specification 14
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