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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 Display Corp. Ltd. MW22 Wide Service Manual - 0 -...
MW22 Service Manual 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 usage or installation may cause damage to the monitor as well as to the user.
01 Product Specification 1. General: MW22 series LCD monitor is designed with a wide screen 22” WSXGA+ TFT LCD panel, LVDS interface, RGB analog and digital input(option). It featured with embedded universal AC power supply. This monitor can support maximum resolution up to 1680x1050@60Hz.
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MW22 Service Manual 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...
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MW22 Service Manual AC input frequency rating 100~240Vac 50~60Hz 100Vac 1.2A AC Input Current 240Vac 0.6A 100 V AC cold star,25°C <35A Inrush Current See Note1 240 V AC cold star,25°C <70A DC output full loading ≥80% Regulator Efficiency Before each test, the buck capacitor needs to be discharged.
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MW22 Service Manual Table-1 H-sy V-sy Status Video Power Power On(with audio) active ≤40W Blue blanked < 2W Amber Power Saving blanked < 2W Amber blanked < 2W Amber Power Off < 1W 3.2 Backlight Power Supply Items Specification Panel...
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MW22 Service Manual Note Items Condition Spec 15 pin D-Sub ● Monitor side should be Color: BLACK blue right angle. Length: 1800 20 mm Signal Cable DVI-D(option) NO DVI cable in carton Color: BLACK Length: 1800 20 mm Signal type Separate analog R,G,B ●...
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MW22 Service Manual 1360x768@60Hz 47.712 60.015 85.500 1440x900@60Hz 55.935 59.887 106.500 1440x900@75Hz 82.306 74.892 WXGA+ 1680*1050@60Hz 65.290 59.954 146.250 WSXGA+ IBM MODES 720x400@70Hz 31.469 70.087 28.322 MAC MODES 66.667 30.24 640*480@66.7Hz SVGA 832*624@74.55Hz 49.722 74.55 57.283 1152*870@75Hz 68.681 75.062 Note: 1. Non-interlace signals only (An interlace signal cannot be display) 2.
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MW22 Service Manual Number of Pixel 1680x1050 pixels Pixel Arrangement RGB vertical stripe Brightness 250cd/m (Typ.) Contrast Ratio 1000:1 (Typ.) Viewing Angle Hor:160°, Ver: 160°(Typ) Brightness Uniformity ≧75% Display Mode Normally White Response Time(Tr+Tf) 5ms (Typ.), 8ms (Max.) Surface Treatment...
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MW22 Service Manual Item Condition SPEC Brightness=100% ≧ 200 cd/m Brightness Contrast = 100% Brightness=100% the last 3~8 levels of 32 Grey Scale grey scales is combined Contrast = 100% 4.4 White balance The test standard conditions refer to Sec 3.3. (Brightness control is at 100 contrast control is at 50.)
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MW22 Service Manual Items Specification ≧ 10K ohm Input impedance 200Hz –20kHz Frequency response range ≧ 40 dB Signal to noise ratio Output power ≦1 W + 1 W(±20% tolerance), THD 10%. Loading impedance 4 ohm Note: The low pass RC Filter (R=100Ω / C=0.047uF) for Class-D output power and THD+N measurement, and under 1KHz, 1Vrms and sine wave input.
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MW22 Service Manual Press [AUTO] at the same time, and then press FACTORY [POWER] for DC power on. OSD menu will be ● MODE shown with “F” on the left top. Select “F” for entering factory mode ● Volume Adjust Volume ●...
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MW22 Service Manual tructure OSD S 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.
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MW22 Service Manual DVI(option): If our monitor is in Dual mode, the gray area below will be the function which could not be adjusted. First Second Third Fourth Control Value Default Auto Input Audio Volume Brightness Contrast Picture Gamma Gamma2.0 Gamma 2.2...
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MW22 Service Manual Theme Mode Brightness Contrast Movie Game Picture User(After Reset all) Remark: 1. Main OSD will Show 10 Second on the Screen,if there is No Operation on the OSD,And ±1 Second is accepted. 2.Gamma 2.0(2.0±0.2), Gamma 2.2(2.2±0.2), Gamma 2.4(2.4±0.2).
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MW22 Service Manual SOP of PCBA ISP Programming 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_V4.4.2.4 Manufacture of FW IC:PMC/SST/MX 6.2 Operational steps: 1.
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MW22 Service Manual Secondly﹐download FW software: first select “READ”, and then load FW software in Rooter (Fig.2). Software Checksum value FW BIN file Thirdly, select “AUTO”, and keep its default value. Click “RUN” for beginning programming. There will be prompting if programming is OK.
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MW22 Service Manual ◆Note: if programming fails or success rate is not high, click “Config” and adjust its speed to lower in “I2C Speed Setting”and check Communication Setting. If connect port is print port, please check port type.
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MW22 Service Manual 7. SOP of EDID 7.1 Request of hardware and software: 1. Software a.port95nt.exe b.Edid.exe c.MW22 model 2. Hardware a. PC(winXP or win2000)1PCS; b. Tool(EDID Card、VGA cable & DVI cable) 7.2 Operational steps: 1. First set up Port95nt.exe...
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MW22 Service Manual 2. Click next button continually then can finish setting.
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MW22 Service Manual EDID Tool Set up A : USB interface provide +5V DC power(No Power is ok ) B : Connect DDC Card and PC with collateral interface ; C :VGA、DVI use different cable to link DDC and PC...
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MW22 Service Manual EDID ISP Card: A:Collateral printing interface (connect with PC) B : VGA interface (one VGA connect with PC to provide signal for monitor the other one connect with PC VGA interface to write VGA EDID, Write EDID can without providing signal)
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MW22 Service Manual 3. Write EDID Process: 3.1 Choose File menu in main menu ,choose Auto Write button,click S/N blank . MW22...
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MW22 Service Manual 3.2 Cloose the Model in main menu, and the password is 1234. MW22...
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MW22 Service Manual 3.3 Choose the model, MW22_A(Update VGA) ,MW22_D(Update DVI) . MW22 MW22_D MW22_A...
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MW22 Service Manual 3.4 Input S/N in the Blank , eg:ETLA10C109805111D94023,the program can write directly. MW22...
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MW22 Service Manual 3.5 After the process is ok , the program can check that automatically MW22...
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MW22 Service Manual 3.6 If write successfully , you can see PASS in the right MW22 MW22...
MW22 Service Manual 02. Flat Panel Specification...
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Approval Specification Approval Specification Mechanical Information Item Min. Typ. Max. Unit Note Horizontal (H) 493.2 493.7 494.2 Module Vertical (V) 319.6 320.1 320.6 w/o inverter ass’y size Depth (D) 17.0 Weight 2,600 LCD module only Note (1) Mechanical tolerance is ± 0.5mm unless there is a special comment. 1.
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Approval Specification Approval Specification (2) Temperature and relative humidity range are shown in the figure below. a. 90 % RH Max. (Ta ≤ 39 °C) b. Maximum wet-bulb temperature at 39 °C or less. (Ta ≤ 39 °C) c. No condensation (3) 11ms, sine wave, one time for ±X, ±Y, ±Z axis (4) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis (5) At vibration and shock test, the fixture which holds the module to be tested has to be...
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Approval Specification Approval Specification 2. Optical Characteristics The optical characteristics should be measured in a dark room or equivalent. Measuring equipment : SR-3, RD-80S (TOPCON), EZ-Contrast (Eldim) (Ta = 25 ± 2°C, VDD=5V, fv= 60Hz, fDCLK=59.6MHz, IL = 7.5mArms) Item Symbol Condition Min.
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Approval Specification Approval Specification Item Symbol Condition Min. Typ. Max. Unit Note Color Temperature 6500 θ Hor. θ Viewing CR≥10 Degrees Angle θ Contrast Ver. θ Brightness Uniformity (9 Points) SR-3 Note (1) Test Equipment Setup The measurement should be executed in a stable, windless and dark room between 30min after lighting the back light at the given temperature for stabilization of the back light.
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Approval Specification Approval Specification Note (2) Definition of test point 1512 Active Area : Test Point Note (3) Definition of Contrast Ratio (C/R) : Ratio of gray max (Gmax) & gray min (Gmin) at the center point⑤ of the panel Gmax : Luminance with all pixels white Gmin : Luminance with all pixels black Note (4) Definition of 9 points brightness uniformity...
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Approval Specification Approval Specification Note (6) Definition of Luminance of White : Luminance of white at center point⑤ Note (7) Definition of Color Chromaticity (CIE 1931, CIE1976) Color coordinate of Red, Green, Blue & White at center point⑤ Note (8) Definition of Viewing Angle : Viewing angle range (CR ≥10) MODEL LTM220MT05...
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Approval Specification Approval Specification Note (9) Color Grayscale Linearity a. Test image : 100% full white pattern with a test pattern as below b. Test pattern : Squares, 40mm by 40mm in size, filled with 255, 225, 195, 165, 135 and 105 grays steps should be arranged at the center⑤...
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Approval Specification Approval Specification 3. Electrical Characteristics 3.1 TFT LCD Module The connector for display data & timing signal should be connected. Ta = 25°C Item Symbol Min. Typ. Max. Unit Note Voltage of Power Supply High +100 Differential Input Voltage for LVDS Receiver Threshold -100...
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Approval Specification Approval Specification Differential receiver voltage definitions and propagation delay and transition time test circuit a. All input pulses have frequency = 10MHz, t or t =1ns b. C includes all probe and fixture capacitance Note a. Note b. (3) LVDS Receiver DC parameters are measured under static and steady conditions which may not be reflective of its performance in the end application.
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Approval Specification Approval Specification (5) fV=60Hz, fDCLK = 59.6MHz, VDD = 5.0V, DC Current. (6) Power dissipation check pattern (LCD Module only) a) Black Pattern b) White Pattern c) Dot Pattern (7) Measurement Condition 100% =470㎲ RUSH Rush Current I can be measured when T .
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Approval Specification Approval Specification 3.2 Back Light Unit The back light unit is an edge - lighting type with 2 dual CCFTs ( Cold Cathode Fluorescent Tube ) The characteristics of two dual lamps are shown in the following tables. Ta=25 ±...
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Approval Specification Approval Specification (2) Lamp frequency which may produce interference with horizontal synchronous frequency may cause line flow on the display. Therefore lamp frequency should be detached from the horizontal synchronous frequency and its harmonics as far as possible in order to avoid interference. (3) Life time (Hr) is defined as the time when brightness of a lamp unit itself becomes 50% or less than its original value at the condition of Ta = 25±2°C and I = 7.5mArms...
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Approval Specification Approval Specification 4. BLOCK DIAGRAM 4.1 TFT LCD Module RSDS Source Driver ICs Control signal S1680 LVDS pair #1 Column Driver Circuit Control signal LVDS(Tx) LVDS pair #2 TFT-LCD (30pin) (1680 x RGB x 1050 pixels) Timing Controller +5.0V Power Circuit...
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Approval Specification Approval Specification 5. Input Terminal Pin Assignment 5.1. Input Signal & Power ( Connector : UJU IS100-L30O-C23 or Compatible ) PIN NO SYMBOL FUNCTION RXO0N Negative LVDS differential data output RXO0P Positive LVDS differential data output RXO1N Negative LVDS differential data output RXO1P Positive LVDS differential data output RXO2N...
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Approval Specification Approval Specification Note) Pin number starts from Left side ▼ Pin No. 1 Pin No. 30 ▼ UJU IS100-L30O-C23 or JAE FI-XB30SSL-HF15 Fig. Connector diagram a. All GND pins should be connected together and also be connected to the LCD’s metal chassis.
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Approval Specification Approval Specification 5.2 LVDS Interface 5.2.1 Odd Pixel Data (1st pixel data) LVDS Transmitter ( DS90C383, DS90C385 ) Signal Interface To LTM220MT Device Input Pin Device Input Signal Output Interface ( CN101 ) Signal Symbol Symbol Function Terminal Symbol TXIN0 Red Odd Pixel Data (LSB)
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Approval Specification Approval Specification 5.2.2 Even Pixel Data (2nd pixel data) LVDS Transmitter ( DS90C383, DS90C385 ) Signal Interface To LTM220MT Device Input Pin Device Input Signal Output Interface ( CN101 ) Signal Symbol Symbol Function Terminal Symbol TXIN0 Red Even Pixel Data (LSB) TXIN1 Red Even Pixel Data TXOUT0-...
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Approval Specification Approval Specification 5.2 LVDS Interface (2) 5.2.3 Odd Pixel Data (1st pixel data) LVDS Transmitter ( DS90C387 ) Signal Interface To LTM220MT Device Input Pin Device Input Signal Output Interface ( CN101 ) Signal Symbol Symbol Function Terminal Symbol Red Odd Pixel Data (LSB) Red Odd Pixel Data...
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Approval Specification Approval Specification 5.2.4 Even Pixel Data (2nd pixel data) LVDS Transmitter ( DS90C387 ) Signal Interface To LTM220MT Device Input Pin Device Input Signal Output Interface ( CN101 ) Signal Symbol Symbol Function Terminal Symbol Red Even Pixel Data (LSB) Red Even Pixel Data No.
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Approval Specification Approval Specification 5.2.5 Timing Diagrams of LVDS For Transmitting LVDS Receiver : Integrated T-CON MODEL LTM220MT05 Doc. No 05-000-G-080902 Page 24/39...
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Approval Specification Approval Specification 5.3 Back Light Unit Pin No. Input Color Function High Voltage Upper Cold White Ground High Voltage Lower Cold White Ground Connect YEONHO 35001HS-02L Part No. MODEL LTM220MT05 Doc. No 05-000-G-080902 Page 25/39...
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Approval Specification Approval Specification 5.3 Input Signals, Basic Display Colors and Gray Scale of Each Color DATA SIGNAL GRAY DISPLAY GREEN BLUE COLOR SCALE (8bit) LEVEL BLACK BLUE GREEN CYAN BASIC COLOR MAGENTA YELLOW WHITE BLACK DARK ↑ GRAY SCALE R252 ↓...
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Approval Specification Approval Specification 6. Interface Timing 6.1 Timing Parameters ( DE only mode ) SIGNAL ITEM SYMBOL MIN. TYP. MAX. Unit NOTE Clock 52.6 59.6 77.5 Hsync Frequency 57.2 64.8 83.2 Vsync Active Display 1050 1050 1050 lines Vertical Period Display Term Vertical Total...
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Approval Specification Approval Specification 6.2 Timing diagrams of interface signal ( DE only mode ) DATA SIGNALS DISPLAY DATA MODEL LTM220MT05 Doc. No 05-000-G-080902 Page 28/39...
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Approval Specification Approval Specification 6.3 Power ON/OFF Sequence To prevent a latch-up or DC operation of the LCD Module, the power on/off sequence should be as the diagram below. 300㎲≤T1≤10msec 0≤T2≤50msec 0≤T3≤50msec 1sec≤T4 Back-Light (Recommended) 500msec≤T5 100msec≤T6 T1 : V rising time from 10% to 90% T2 : The time from V to valid data at power ON.
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Approval Specification Approval Specification 6.4 VDD Power Dip Condition 4.5V ≤ V ≤ 5.5V (typ.) x 80% ≤ V ≤ V If V (typ) x 90% Then, 0<Td ≤20msec Note (1) The above conditions are for the glitch of the input voltage. (2) For stable operation of an LCD Module power, please follow them.
MW22 Service Manual 04. TROUBLE SHOOTING 1. Common Acknowledge If you change the interface board, make sure that the U103, U105, U106, U108and U201 these five components also changed to the new I/F board because there are program and data insides. If not, please re-write EDID or upload firmware into MCU via VGA or DVI Cable.
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MW22 Service Manual 2. Backlight can’t be turned on No raster? LED orange? Backlight can’t be turned on. Is there 24Vdc Check power supply voltage on pin9 of IC501? Is there high-level voltage Check I/F on pin4 of IC501? board...
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MW22 Service Manual 3. No Power & Power LED Off Unstable power Check sampling Check R822, R824, Circuit R825,R826 Change R822, R824, R825,R826 Check the C pin Check the R pin voltage of IC803 voltage of IC803 Change if 3V IC803 about 2.5V...
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MW22 Service Manual 4. Black Screen and backlight turn on Black Screen Check power supply: Power Fail Pin1, 2 of0 CN101 Check FB105 Check pin53, 74,104, and126 And U102 Of U105 Check pin40, 54, 58,59,60, Check FB102, 65,66,71,87,107,112,114,8,14 And U101...
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MW22 Service Manual 5. White Screen White Screen LVDS Cable Workmanship Reinsert Change LVDS LVDS Cable NG Cable Check VLCD Check LVDS Panel Fail Is 5V? Signals Check Panel - Enable Check the HW Reset Check C164 Of U105 (pin73) is High?
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MW22 Service Manual 6. Bad Screen Bad Screen LVDS Cable Workmanship Reinsert Change LVDS LVDS Cable NG Cable Check Crystal: Pin127, Check: X101, C157, Pin128 Of U105 C158,R147,R148 Check the communication Check :SDO,CSZ, of the U108 and U105 SCK,SDO,Reset Check the Pins of...
MW22 Service Manual 05. Spare parts List 8221T981G120R ACER PART OEM PART NO PART NAME DESCRIPTION ET.C200C.003 PCBA,I/F POWER/INVERTER 55.C200J.001 793281300800H BOARD(EMEA,W/SPK) BOARD W/SPK ,LE22T9-812 PCBA,P/I MAIN BOARD 19.C200J.001 793281400800H BOARD,W/SPK,LE22T BOARD W/SPK 9-812 PCBA,KEYPAD 55.C210J.002 793281500000H KEYPAD BOARD BOARD,LE22T9...
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MW22 Service Manual CABLE AUDIO 1P 6FT CABLE AUDIO 1P 50.L63VF.003 453030300120R BLACK/GREEN CP03B06P0 CABLE DVI-D CABLE,DVI-D 18+1P 50.LA10J.003 453030300370R 18+1P MALE 6FT MALE 6FT BLACK , BLACK ROHS ROHS HRN ASSY 2X4P TO 50.C200J.001 430300803340H KEYPAD CABLE(1) 8P UL3302#28 150mm HRN ASSY 8P 50.C210J.001...
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MW22 Service Manual BACK COVER COVER,BACK,W/D,W/ 60.C200J.002 501020238200R (W/SPK,W/DVI) SW,LE22T9 60.C200J.003 502020310001R STAND (BLACK) STAND,MW22,LE22T9 60.C210J.004 501240218600R BASE BASE,MR19,LE19U1 CHASSIS ASSY,CHASSIS,W/D, 60.C200J.004 701000019300R (W/SPK,W/DVI) W/SW,LE22T9 LCP 19" LCP 22"LTM220MT05- LK.22006.013 631102220960HA LM190E08- A01(A)(SAMSUNG)HF TLJ2(A)(LPL)ROHS...
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SW901 LED B/A TACT-2.5 TACT-2.5 TACT-2.5 TACT-2.5 TACT-2.5 POWER RIGHT LEFT MENU AUTO InnoLux Gateway MW22&MR19 Document Number : SIZE : APPRO BY : KEYPAD TITLE : CHECK BY : Keypad DATE : 2009-02-16 DRAWN BY : Rev : SHEET...
MW22 Service Manual 07. Assembly and Disassembly The tool of Assembly and disassembly: 1) Electrostatic gloves 2) Electric screwdriver: the length of screwdriver top is 6±0.5cm and 15±0.5cm ; the diameter of screwdriver top is Φ5*H5mm Sequence Item Photo Procedures Description (1).Take panel out of box and place it...
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MW22 Service Manual Assembly and Disassembly (continue) 1.Put the bezel on the form,withing it's Assembl key board is on the right hands. e front 2.Put the panel with two hands and put ASSY,FRONT,BEZEL, bezel 714030032800R into the bezel carefully , without...
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MW22 Service Manual Assembly and Disassembly (continue) the cable should 1.insert the connector of power board be turned back 90 into the port of I/F board Connect and not touch 2. place I/F board , with it's port on the...
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MW22 Service Manual Assembly and Disassembly (continue) position hooks chassis Connext insert the FFC cable into the correct cable port of panel with panel link the port Insert the Insert the lamp cable on the correct lamp location of chassis, like the attached...
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MW22 Service Manual Assembly and Disassembly (continue) SPEAKER 2.5W 4Ω Assembl 1.insert the speaker cable into the PIN e the location of chassis like the attached 618100200370H 270mm R/B/G speaker picture W/CASE 1.HRN ASSY 2X4P 1.43030080334 Connect 1.connect keypad cable in bezel with...
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MW22 Service Manual Assembly and Disassembly (continue) Assembl e Hinge Assemble the Hinge with back cover STAND,MW22,LE22T with 502020310001R as the picture Back Cover DVI&VGA &Audio&P ower cable Packing Put monitor into carton like the attached picture...