Acer H243H User Manual To The 8cd63719 7052 48c8 A3b1 495ccb44e580
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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 ..............................................................................................36 04 Troubleshooting ....................................................................................................37 05 Spare Parts List ...................................................................................................42 06 Schematics and Layouts.......................................................................................43 07 Assembly and Disassembly ................................................................................46 Appendix : User’s manual Copyright Copyright 2006 InnoLux Tech. Corp. Ltd All Rights Reserved This manual may not, in whole or in part, be copied, Photocopied, reproduced, translated, or converted to any electronic or machine readable form without prior written permission of InnoLux Tech. Corp. Ltd. Acer H243H Service Manual 1 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. Do not try to repair the monitor by yourself, as it contains no user-serviceable parts. This monitor should only be repaired by a qualified technician. Do not remove the monitor cabinet. There are high-voltage parts inside that may cause electric shock to human bodies. Stop using the monitor if the cabinet is damaged. Have it checked by a service technician. Put your monitor only in a lean, cool, dry environment. If it gets wet, unplug the power cable immediately and consult your closed dealer. Always unplug the monitor before cleaning it. Clean the cabinet with a clean, dry cloth. Apply non-ammonia based cleaner onto the cloth, not directly onto the class screen. Do not place heavy objects on the monitor or power cord. z z z z z z z 2. Product safety notice Many electrical and mechanical parts in this chassis have special safety visual inspections and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Before replacing any of these components read the parts list in this manual carefully. The use of substitute replacement parts, which do not have the same safety characteristics as specified in the parts list, may create shock, fire, or other hazards. 3. Service notes z When replacing parts or circuit boards, clamp the lead wires around terminals before soldering. z Keep wires away from high voltage, high temperature components and sharp edges. z Keep wires in their original position so as to reduce interference. z Adjustment of this product please refers to the user’ manual. 2 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. It support HDCP and color management function. 1.1 Main Features Maximum resolution : 1920(x3) x 1080 @ 60Hz Back light system : 4 CCFL (top & bottom edge side) Pixel pitch : 276.75 um (H) x 276.75 um (V) Display area : 531.36mm (H) x 298.89mm (V) Brightness : 300cd/m² (TYP.) Contrast ratio : 1000׃1 (TYP.) DCR : 40000:1 (Max) Response time (Tr+Tf) : 5ms (TYP. ON/OFF) (1) (2) 2ms (Gray to Gray) Viewing angle : 170° (H)/ 160°(V), (TYP.) Input interface : Analog (D-sub 15 pin) (3) Digital Option (DVI-D 24 pin & HDMI 19Pin) Power management : Compatible with VESA DPMS Plug & Play : VESA DDCCI OSD language : English, French, Spanish, Italian, Deutsch, Simplified Chinese, Traditional Chinese, Japanese (Dutch, Finnish, Russian depend on sale region) Universal AC power supply Note (1)(2)(3): This item spec depend on the LCD panel. 1.2 Accessories AC Power Cord : 1.8 m. (Black. Cord type depend on sale region) VGA cable : 1.8 m. (15 pin D-SUB, black cable with blue male connector) User manual : English (640Mb CD) Warranty card : DVI cable (option) : 1.8 m. (18+1 pin, black cable with white connector) HDMI cable (option) : 1.8 m. (19 pin, black cable with white connector) 2. Operation Specifications The unit should suffer no visible cosmetic damage and should operate with no degradation in display quality during exposure to the operating conditions and after exposure to the non-operating conditions, in any sequence. 2.1 Environmental conditions 2.1.1 Operating: Temperature range Relative humidity 2.1.2 : 0°C to 50°C : 5% to 90% Storage note 1: 3 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. 2.2 Safety, EMC, Ergonomics and Compatibility Requirements Safety & EMC MET, CB, Bauart, CCC, FCC, CE, VCCI-B Ergonomics MPRII Compatibility Windows 95/98/Me/2000, Windows XP, Window Vista Power Management Energy Star ISO13406-2 2.3 Electrostatic Discharge Requirements The subject unit must withstand ±8KV for contact discharge and ±15KV for air discharge of Electrostatic Discharge and meet the standard of IEC61000-4-2(EN55024). (without discharge on VGA/DVI pin) 2.4 Reliability The MTBF of this product shall be greater than 25,000 hours excluding the LCD panel. The LCD panel life which is defined as the time period for the maximum luminance to reduce to 50% of the initial value is 40,000 hours minimum at the condition of displaying an all WHITE field at mid Brightness and Contrast settings. 3. Electrical and Optical Characteristics and Performance 3.1 Main Power Supply 3.1.1AC Input Voltage Range It is a universal type and the input voltage range is from 100 ~ 240Vrms 3.1.2 AC Input Current 1.5A (max) at 100VAC input 0.8A (max) at 240VAC input AC Frequency Range The frequency range is from 50Hz to 60Hz Inrush Current a. 40A max at cold-start, 25°C, DC output full-loading and 100Vac input b. 60A max at cold-start, 25°C, DC output full-loading and 240Vac input Regulator Efficiency 4 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 to verify specifications in this section shall be performed under the following standard conditions unless otherwise noted. Temperature : 25 ± 5°C Test pattern : white Video Resolution : 1920 x 1080 Video input level : 700 mV ± 2% Warm-up time : 30 minutes Set brightness control and also contrast control at maximum, to measure the screen center, the light output shall BL ≥ 240 cd/m2 (as panel spec). 3.2 White balance The test standard conditions refer to Sec 3.1.( Brightness and contrast are under default value ) Chromaticity Coordinate Mode x Cool 9300K 0.283 ± 0.030 0.297 ± 0.030 Warm 6500K 0.313 ± 0.030 0.329 ± 0.030 Panel While x Panel While y User 3.3 y Brightness uniformity The test standard conditions refer to Sec 3.1. Min. luminance of nine points (backlight ) ≥75% Max. luminance of nine points (backlight ) L/10 L/2 4 5 6 1 2 3 7 8 W/10 9 W/2 5 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. Modes details as below: VESA MODES Mode VGA SVGA XGA VESA SXGA VESA WXGA WXGA+ SXGA+ WSXGA+ UXGA Resolution 640x480 640x480 640x480 800x600 800x600 800x600 800x600 1024x768 1024x768 1024x768 1152x864 1280x960 1280x1024 1280x1024 1280x720 1280x800 1360x768 1440x900 1440x900 1400x1050 1680x1050 1600x1200 1920x1080-R EGA 720x400 VGA SVGA SXGA 640x480 832x624 1152x870 Total H Frequency V Frequency 800 x 525 31.469 832 x 520 37.861 840 x 500 37.500 1024 x 625 35.156 1056 x 628 37.879 1040 x 666 48.077 1056x625 46.875 1344x806 48.363 1328x806 56.476 1312x800 60.023 1600x900 67.5 1800x1000 60 1688x1066 63.981 1688x1066 79.976 1650x750 44.955 1680x831 49.702 1792x795 47.712 1904x931 55.935 1936x942 70.635 1864x1089 65.317 2240*1089 65.290 2160x1250 75.000 2080x1111 66.587 IBM MODES 900x449 31.469 70.087 MAC MODES 864x525 35 66.66 1152x667 49.722 74.55 1568x909 68.700 75.000 59.941 72.809 75.000 56.250 60.317 72.188 75.000 60.004 70.069 75.029 75 60 60.020 75.025 59.940 59.810 60.015 59.887 75.000 59.978 59.954 60.000 59.934 Pixel Clock (MHz) 25.175 31.500 31.500 36.000 40.000 50.000 49.500 65.000 75.000 78.750 108 108 108.000 135.000 74.176 83.500 85.500 106.500 136.750 121.75 146.250 162.000 138.50 28.322 30.24 57.28 84.520 Note: 1. Non-interlace signals only (An interlace signal cannot be display) 2. Please refer to F/W specification for more detail 3. Each frequency of Power Macintosh and Sun Ultra is a reference value 4.3 Timing requirements The LCD monitor must be capable of displaying standard resolutions within the vertical frequency range of 55 ~ 76 Hz and the horizontal scan range of 31 ~ 80 KHz with maximum pixel clock of 190MHz. 6 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 CF 00 81 80 71 4F 95 00 95 0F A9 40 3 B3 00 01 01 01 01 1A 36 80 A0 70 38 1F 40 30 20 4 35 00 13 2A 21 00 00 1A 00 00 00 FC 00 48 32 34 5 33 48 0A 20 20 20 20 20 20 20 00 00 00 FD 00 38 6 4C 1F 53 12 00 0A 20 20 20 20 20 20 00 00 00 FF 7 00 30 30 30 30 30 30 30 30 30 30 30 30 30 00 CS H243H DVI 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 80 35 1D 78 EA 60 85 A6 56 4A 9C 25 2 12 50 54 AF CF 00 81 80 71 4F 95 00 95 0F A9 40 3 B3 00 01 01 01 01 1A 36 80 A0 70 38 1F 40 30 20 4 35 00 13 2A 21 00 00 1A 00 00 00 FC 00 48 32 34 5 33 48 0A 20 20 20 20 20 20 20 00 00 00 FD 00 38 6 4C 1F 53 12 00 0A 20 20 20 20 20 20 00 00 00 FF 7 00 30 30 30 30 30 30 30 30 30 30 30 30 30 00 CS 5. Function Specifications All the tests to verify specifications in this section shall be performed under the following standard conditions unless otherwise noted. The standard conditions are: Temperature : 25 ± 5°C Warm-up time : 30 minutes minimum Checking display modes : All the specified modes 5.1 Panel general specifications A General specifications Supplier AUO Model name M240HW01-V0 Display Area 531.36 × 298.89 Pixel Pitch 276.75(Per one triad) × 276.75 Display Colors: 16.7M colors (RGB 6-bit + Hi_FRC) 7 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 5.2.1 Control buttons on the front bezel CONTROL KEY KEYS FUNCTION [POWER] Power on or power off the monitor [►], [◄] A. When “Main OSD” displays, press these keys to change the contents of an adjustment item, or change an adjustment value B. When “Main OSD” un-displays, press [►] to show “Audio” OSD and increase the volume, press [◄] to show “Audio” OSD and decrease the volume . [MENU] A. When “Main OSD” un-displays, press [MENU] to enter OSD interface. B. When “Main OSD” displays, press [MENU] to perform function of menu icon that is highlight or enter next level menu. [AUTO] A. When “Main OSD” un-displays, press [AUTO] to perform auto-adjustment B. When “Main OSD” displays, press [AUTO] to return to previous level menu C. When “Empowering Technology OSD” displays, press [AUTO] to exit the OSD [e Color ] A. When “Main OSD” un-displays, press [e Color] to show “Empowering Technology OSD”. B. When “Main OSD” displays, press [e Color] to exit the OSD, and to show “Empowering Technology OSD” [Input select] A. Press ”input key” one time to search (a port with signal in order) B. Show “source icon” at the same time, as searching that port C. Go into next port automatically, if search the port without signal D. Display it, if search the port with signal 5.3 Hot Key Operation HOT KEY OPERATION FUNCTION e Color AUTO MENU ◄ ► POWER 8 DESCRIPTION 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. First Second Third Fourth Control Range Default Value User Acer e color Management Text empowering Technology Standard --- Standard Graphics Movie Brightness Picture Contrast --- --- --- --- H. Position V. Position Focus --- --- Clock Text mode 44 Standard mode 77 Graphics mode 97 Movie mode 77 User mode 50 Text mode 50 Standard mode 50 Graphics mode 60 Movie mode 56 0～100 50 0～100 50 0～100 --- 0～100 50 (1) --- --- --- Cool --- --- --- User Setting 0～100 77 Warm Color Temp OSD 0～100 User mode Red 0～100 80 Green 0～100 80 Blue 0～100 80 Auto Configure --- --- --- H. Position --- --- 0～100 Depending on the keypad position V. Position --- --- 0～100 3 OSD Timeout --- --- 10～120 10 Wide Mode DDC/CI Full --- --- Aspect --- --- ON --- --- 9 --- Full ON 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. Freq --- --- --- Input Type --- --- --- S/N --- --- --- OFF --- English --- (2) Notes: (1) Clock default 50 is for Visa timing. Others depend on timing. (2) Depend on timing & S/N 6. SOP of firmware upgrade (Manufacturer of Scaler is Mstar) 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: ISP_Tool_v3.7.5.exe Manufacture of FW IC：PMC/SST/MX 6.2 Operational steps: 1. Connection: connect PC to PCBA with signal cable, and then keep AC and DC in open state. 10 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). FW software rooter Software Checksum 11 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 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 Acer Acer –LCD-H243H 2. Flat Panel Specification 14 Acer Acer –LCD-H243H 15 Acer Acer –LCD-H243H 16 Acer Acer –LCD-H243H 17 Acer Acer –LCD-H243H 18 Acer Acer –LCD-H243H 19 Acer Acer –LCD-H243H 20 Acer Acer –LCD-H243H 21 Acer Acer –LCD-H243H 22 Acer Acer –LCD-H243H 23 Acer Acer –LCD-H243H 24 Acer Acer –LCD-H243H 25 Acer Acer –LCD-H243H 26 Acer Acer –LCD-H243H 27 Acer Acer –LCD-H243H 28 Acer Acer –LCD-H243H 29 Acer Acer –LCD-H243H 30 Acer Acer –LCD-H243H 31 Acer Acer –LCD-H243H 32 Acer Acer –LCD-H243H 33 Acer Acer –LCD-H243H 34 Acer Acer –LCD-H243H 35 Acer Acer –LCD-H243H 36 Acer Acer –LCD-H243H 37 Acer Acer –LCD-H243H 38 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±0.25 For D-SUB CON&DVI 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 0.85V NG Change R815, R 809, R848, R 849, R850,R851,C809, yes END 40 Acer Acer –LCD-H243H 4.2 No raster 41 Acer Acer –LCD-H243H 4.2 Black screen Black Screen Check power supply: Pin 1, 2 of CN104 NG POWER Fail NG Check U101, U102 NG Check C161, R183 OK Check power supply: For U104 OK Check reset: pin 8 of U104 OK Check Crystal waveform Pin 25,26 of U104 Check X101, C156, C157,R191 NG OK Check CCFL_Enable Pin 101 of U104 OK Check Pin 7 of CN104 NG Inverter Fail OK Check Q102, R101, R102 NG U104 fail 42 Acer Acer –LCD-H243H 4.4 Bad Screen Bad Screen Check LVDS cable OK Workmanship OK LVDS cable NG OK Check the pins of U104 NG Change LVDS cable NG Check Crystal: Pin 25,26 of U104 NG Change X101, C156, C157 43 Acer Acer –LCD-H243H 4.5 White screen White Screen Check LVDS Cable Insert OK? OK Workmanship NG OK Change LVDS Cable LVDS cable NG NG Check VLCD is +5V? OK Check LVDS cable NG Check Panel Enable of U104 NG NG U104 Fail OK Check Q101, Q104, Q105, R105, R108 NG Q101, Q104, Q105, R105, R108 fail 44 OK Panel NG 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 BOARD,LP2441 ROHS 50 PWRCORD 16A/250V BLK 6FT VDE/KTL H05VV-F 50 CABLE,DVI-D 18+1P MALE 6FT BLACK , ROHS 50 CABLE,DVI-D 18+1P MALE 6FT BLACK 50 CABLE,D-SUB 15P MALE 6FT BLACK/BLUE, ROH 50 CABLE AUDIO 1P 6FT BLACK/GREEN 50 CP03B06P0 HRN LVDS FFC 30P 166.5mm W/TASTE 50 HRN ASS'Y 4P 27MM UL1571#28 50 HRN ASSY, 2X4P TO 1X8P ,220mm,UL1571#28 50 ASSY BACK COVER,LP2441 50 ASSY BEZEL ,LP2441 50 ASSY STAND ,LP2441 50 ASSY BASE,LP2441 50 COVER,BACK,LP2441 50 HINGE,LP2441 50 STAND, LP2441 50 CHASSIS,W /HDMI, W/DVI,LP2441 50 LCP 24" M240HW01-V0-00(A)(AUO)ROHS 50 45 N/A 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Acer Acer –LCD-H243H 06 Schematics and Layouts 6.1 PI BD Layout 46 Acer Acer –LCD-H243H 6.2 Switching Mode Power Supply circuit 47 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±0.5cm ; the diameter of screwdriver top is Φ5*H5mm 48 Acer Acer –LCD-H243H Assembly and Disassembly (continue) 49 Acer Acer –LCD-H243H Assembly and Disassembly (continue) 50 Acer Acer –LCD-H243H Assembly and Disassembly (continue) 51 Acer Acer –LCD-H243H Assembly and Disassembly (continue) 52 Acer Acer –LCD-H243H Assembly and Disassembly (continue) 53
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