Acer Acer –LCD-H243H Service Manual LCD Monitor Acer H243H -0-
1 Table of Contents Important Safety Notice .........................................................................................02 01 Product Specification ..........................................................................................03 02 Flat Panel Specification .......................................................................................15 03 Exploded Diagram ..............................................................................................
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 supply in you residence, consult your local dealer or Power Company.
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 display. The image can be adjusted through OSD control.
Acer Acer –LCD-H243H Temperature range Humidity range 2.1.3 : -20°C to 60°C : 5% to 90% Altitude note 2 Operating Storage 10000 ft (Ta=50, t=24h) 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.
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.
Acer Acer –LCD-H243H 4. Input / Output Signal Specifications 4.1 Video signals Analog RGB signal: 0.7Vp-p Sync: TTL level (Input impedance ≧ 1k Ohm) (Input impedance = 75 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 FH= 31~80 KHz, Fv=55~76Hz, with maximum pixel clock 165MHz input signal and WSXGA+ output.
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.
Acer Acer –LCD-H243H Number of Pixel 1920 × 1080 Pixel Arrangement R.G.B. Vertical Stripe Brightness 300 cd/m2 (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.
Acer Acer –LCD-H243H FACTORY MODE ● ON Press [e], and then press [POWER] for DC power on. OSD menu will be shown with “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.
Acer Acer –LCD-H243H OFF ACM Input Language Info ON --- --- VGA --- --- DVI --- --- HDMI --- --- OFF EMEA NO-EMEA --- --- English English --- --- Russian 繁體中文 --- --- Deutsch Deutsch --- --- Français Français --- --- Español Español --- --- Italiano Italiano --- --- Dutch 简体中文 --- --- Finnish 日本語 --- --- Reset --- --- --- Resolution --- --- --- H. Freq --- --- --- V.
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”, and then load FW software in Rooter (Fig.2).
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.
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 Click AUTO and RUN for beginning programming OK NG Turn off power if programming is OK 13
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Acer Acer –LCD-H243H 03 Exploded Diagram 3.1 H243H_SCREW_LIST ITEM 1 2 3 4 PN Q'T Fixed Y(P T(kg*cm) CS) Description 509146306 SCREW,P,CROSS,W/WAS 200R ,M3*6,Zn-Cc SCREW,F,CROSS,M4*8,B 509216608 LACK,NL,ROHS(NYLOK 110R ) 509412610 SCREW B CROSS T 500R T-4*10 BLK ROHS 509000000 BOLT,#4-40x11.8,Ni 700R 3.2. LCD Exploded drawing (All) 39 Remark 7 6.5±0.5 For NVBD/PWRBD/HDMI 4 12±1 For Hingle toBack cover 3 8.5±0.5 For Hingle to Stand Front 4 4.0±0.
Acer Acer –LCD-H243H 04 Troubleshooting 4.1 No Power & LED Off Unstable power Check sampling Circuit NG Check F801, R808,R806 NG Change F801, R808,R806 Check the R pin voltage of IC803 about 2.5V NG Check the C pin voltage of IC803 if 3V Change IC803 NG yes Check R832,IC801 Check pin6 of IC802 voltage is 14V NG Check FB801,D803,C8 07,C810 if short yes Change FB801,D803,C807, C810 yes Check pin2 of IC802 voltage above 0.
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Acer Acer –LCD-H243H 05 Spare parts List 82424171A120R OEM PART NO 792381300701R 792381400700R 792381500000R 792381500010R 453070801190R 453030300370R 453030300371R 453010100380R 453030300120R 430303002230R 430300400390R 430300802060R 714050021200R 714030022100R 714011206200R 714020018200R 501020228602R 502060201100R 501260210800R 502090103100R 631102240130R DESCRIPTION MOQ PCBA,I/F BOARD(EMEA,W/SPK),LP2441-717 RO 50 PCBA,P/I BOARD,W/SPK,LP2441-717 ROHS 50 PCBA,POWER KYEPAD/B,LP2441 ROHS 50 PCBA,TOUCHPAD
Acer Acer –LCD-H243H 06 Schematics and Layouts 6.
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Acer Acer –LCD-H243H 7.0 Assembly and Disassembly The tool of Assembly and disassembly : 1) Electrostatic gloves 2) Electric screwdriver: the lengthe of screwdriver top is 6±0.5cm and 15±0.
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