Page 2 - Table of Contents; Appendix : User’s manual; Copyright
1 1 Table of Contents Important Safety Notice ......................................................................................... 02 01 Product Specification .......................................................................................... 03 02 Flat Panel Specification .................
Page 3 - Acer; Important Safety Notice; Safety precautions; should only be repaired by a qualified technician.; Product safety notice; Adjustment of this product please refers to the user’ manual.
Acer Acer –LCD-H243H 2 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: z This monitor should be operat...
Page 4 - 1 Product Specification; . 1 M a i n F e a t u r e s; . 2 A c c e s s o r i e s; Operation Specifications; . 1 E n v i r o n m e n t a l c o n d i t i o n s
Acer Acer –LCD-H243H 3 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...
Page 5 - Electrostatic Discharge Requirements; Electrical and Optical Characteristics and Performance; Main Power Supply
Acer Acer –LCD-H243H 4 Temperature range : -20°C to 60°C Humidity range : 5% to 90% 2.1.3 Altitude note 2 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: ...
Page 6 - Brightness output
Acer Acer –LCD-H243H 5 ≥ 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/Cerami...
Page 7 - Input / Output Signal Specifications; Timing requirements
Acer Acer –LCD-H243H 6 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 Tim...
Page 8 - Function Specifications; Panel general specifications
Acer Acer –LCD-H243H 7 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 H243H DVI 0 1 2 3 4 5 6 7 8 9 A...
Page 9 - Keypad Function; DESCRIPTION
Acer Acer –LCD-H243H 8 Number of Pixel 1920 × 1080 Pixel Arrangement R.G.B. Vertical Stripe Brightness 300 cd/m 2 (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 Tre...
Page 10 - tructure
Acer Acer –LCD-H243H 9 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 S tructure The On-Screen Display (OSD) shall be an easy to use icon based menu through keypad OSD buttons or remo...
Page 11 - Manufacturer of Scaler is Mstar)
Acer Acer –LCD-H243H 10 OFF ON ACM OFF --- --- OFF VGA --- --- DVI --- --- Input HDMI --- --- --- EMEA NO-EMEA --- --- English English --- --- Russian 繁體中文 --- --- Deutsch Deutsch --- --- Français Français --- --- Español Español --- --- Italiano Italiano --- --- Dutch 简 体中文 --- --- Language Finnish...
Page 12 - Adjust ISP programming; One port of ISP
Acer Acer –LCD-H243H 11 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. Secondly ﹐ download FW software: first sele...
Page 14 - Flowing chart; DC ON; Open ISP program; Choose manufacturer; LOAD FW software; Click Connect and enter; Click AUTO and RUN for; Turn off power if
Acer Acer –LCD-H243H 13 Note: if programming fails or success rate is not high, click “Config” and adjust its speed in “E2PROM DEVICE SETTING” ◆ Flowing chart After connecting, AC ON, DC ON Open ISP program Choose manufacturer and model of FW IC LOAD FW software Click Connect and enter ISP MODE Clic...
Page 15 - Flat Panel Specification
Acer Acer –LCD-H243H 14 2. Flat Panel Specification
Page 42 - 4 Troubleshooting
Acer Acer –LCD-H243H 40 04 Troubleshooting 4.1 No Power & LED Off yes yes yes yes NG NG NG NG NG NG Unstable power Check sampling Circuit Check F801, R808,R806 Change F801, R808,R806 Check the R pin voltage of IC803 about 2.5V Check R832,IC801 Check FB801,D803,C807,C810 if short Change FB801,D80...
Page 43 - No raster
Page 44 - Black screen
Acer Acer –LCD-H243H 42 4.2 Black screen Check power supply: Pin 1, 2 of CN104 POWER Fail Check U101, U102 Check C161, R183 Check X101, C156, C157,R191 Inverter Fail U104 fail Black Screen Check Q102, R101, R102 Check power supply: For U104 Check reset: pin 8 of U104 Check Crystal waveform Pin 25,26...
Page 45 - Screen
Acer Acer –LCD-H243H 43 4.4 Bad Screen Bad Screen Check LVDS cable Change LVDS cable Check Crystal: Pin 25,26 of U104 Workmanship LVDS cable NG Check the pins of U104 Change X101, C156, C157 OK OK OK NG NG NG
Page 47 - 5 Spare parts List; OEM PART NO DESCRIPTION
Acer Acer –LCD-H243H 45 05 Spare parts List 82424171A120R OEM PART NO DESCRIPTION MOQ N/A 792381300701R PCBA,I/F BOARD(EMEA,W/SPK),LP2441-717 RO 50 1 792381400700R PCBA,P/I BOARD,W/SPK,LP2441-717 ROHS 50 1 792381500000R PCBA,POWER KYEPAD/B,LP2441 ROHS 50 1 792381500010R PCBA,TOUCHPAD BOARD,LP2441 RO...
Page 48 - 6 Schematics and Layouts
Acer Acer –LCD-H243H 46 06 Schematics and Layouts 6.1 PI BD Layout
Page 49 - Switching Mode Power Supply circuit
Acer Acer –LCD-H243H 47 6.2 Switching Mode Power Supply circuit
Page 50 - 5±0.5cm the diameter of screwdriver top is
Acer Acer –LCD-H243H 48 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±0.5cm ; the diameter of screwdriver top is Φ 5*H5mm