Acer D240H Page 77 Service Manual Download

Page: 77 / 79

S10: Fix the chassis in the bezel.

S9:

Use a screwdriver to screw the 4 screws

to fix the VGA and DVI connecter.

S11: Set up the speaker.

S12: Release the LVDS cable
between main board and panel.

Red left and
green right

S12: Set up the keypad board and the
touchpad board.

Summary of Contents for D240H

Page 1: ...Acer Acer LCD D240H Service Manual LCD Monitor Acer D240H ...

Page 2: ...2 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 D240H Service Manual ...

Page 3: ...lug the power cable immediately and consult your closed dealer z 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 z Do not place heavy objects on the monitor or power cord 2 Product safety notice Many electrical and mechanical parts in this chassis have special safety visual inspe...

Page 4: ...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 m TYP Contrast ratio 1000 1 TYP DCR 80000 1 Max Response time Tr Tf 5ms TYP ON OFF 2ms Gray to Gray Viewing angle 170 H 160 V TYP Input interface Analog D sub 15 pin Digital Option DVI D 24 pin HDMI 19Pin Power management Compatible with VESA DPMS Plug Play VESA DDCCI OSD language Engli...

Page 5: ...n operating conditions in any sequence 2 1 Environmental conditions Operating Specification Temperature range 0 C to 50 C Relative humidity 5 to 90 Altitude 0 to 3048M 10000 ft Storage Temperature range 20 C to 60 C Relative humidity 5 to 90 not condense Altitude 0 to 9144M 30000 ft 2 2 Safety EMC Ergonomics and Compatibility Requirements Items Description UL c CB TUV G CCC Other Safety FCC CE CCC...

Page 6: ...wer Efficiency DC output full loading 79 Note2 Before each test the buck capacitor need to be discharged Before each test it must be 10 minutes at least after the latest test Hot star not component be damaged 3 1 2 Output characteristics Items Condition Spec Note 25V output 800mv 5V output USB 5V output Audio 5V output 500mv 150mv 500mv With system See note 3 25V output 480mv Ripple and Noise 5V o...

Page 7: ...ort circuit protection with auto recovery function OVP Over voltage protection Auto recovery output capacitor voltage OTP Over temperature protection NA Fuse protection NA Table 1 Status H sync V sync Video Power LED Power On on on active 70W White off on blanked 2W Amber on off blanked 2W Amber Power Saving off off blanked 2W Amber Power Off 1W Off 3 2 Backlight Power Supply Panel AUO M240HW01 V2...

Page 8: ...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 3 3 White balance The test standard conditions refer to Sec 3 3 Brightness and contrast are under default value Chromaticity Coordinate Mode x y Cool 9...

Page 9: ...nge 200Hz 10kHz 4 3 USB in Option The USB 2 0 includes 4 pins pin1 VBUS pin2 DM pin3 DP pin4 GND 4 4 HDMI in HDMI type A Connector Pin assignment 19 18 17 16 15 14 13 12 10 9 8 7 6 5 4 3 2 1 11 19 18 17 16 15 14 13 12 10 9 8 7 6 5 4 3 2 1 11 Pin Symbol Pin Symbol 1 TMDS Data2 11 TMDS Clock shield 2 TMDS Data2 shield 12 TMDS Clock 3 TMDS Data2 13 CEC 4 TMDS Data1 14 No connect 5 TMDS Data1 shield 1...

Page 10: ...ta 0 5 shield 5 20 6 DDC Clock 21 7 DDC Data 22 Clock shield 8 Analog Vertical Sync 23 Clock 9 TMDS Data 1 24 Clock 10 TMDS Data 1 11 TMDS Data 1 3 shield 12 13 14 5V Power 15 GND 4 6 VGA in 4 6 1 D sub Connector Pin assignment Pin Symbol 1 Red Video 2 Green Video 3 Blue Video 4 N C 5 Ground 6 Red Ground 7 Green Ground 8 Blue Ground 9 PC 3 3 5V 10 Sync Ground 11 N C 12 DDC SDA 13 H sync 14 V sync ...

Page 11: ... 72Hz 48 077 P 72 188 P 50 SVGA 800 600 75Hz 46 875 P 75 P 49 5 1024 768 60Hz 48 363 N 60 004 N 65 1024 768 70Hz 56 476 N 70 069 N 75 XGA 1024 768 75Hz 60 023 P 75 029 P 78 75 1152 864 75Hz 67 5 P 75 P 108 1280 960 60Hz 60 P 60 P 108 1280 720 60Hz 44 955 P 59 94 P 74 176 1280 1024 60Hz 63 981 P 60 02 P 108 SXGA 1280 1024 75Hz 79 976 P 75 025 P 135 WXGA 1360 768 60Hz 47 712 P 60 015 P 85 5 1440 900...

Page 12: ... 75Hz 68 681 N 75 062 N 100 Other MODES WXGA 1280 800 60Hz 49 702 N 59 81 P 83 5 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 ...

Page 13: ...utput impedance Ω 3 4 4 4 6 AT 1KHz 1Vrms Total harmonic distortion plus noise 10 Po 2 0W at 1KHz 1Vrms 200HZ f 10KHZ Signal to noise ratio dB 40 THD N 5 PWM frequency KHz 200 250 300 Note The low pass RC Filter R 100Ω C 0 047uF for Class D Output Power and THD N Measurement 4 10 DDC data EDID File Format VESA s EDID Standard Version 3 Revision 0 EDID Structure Version 1 Revision 3 EDID Data Table...

Page 14: ... 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 0A 01 95 0 02 03 22 F2 23 09 7F 07 4E 01 02 03 84 05 06 07 1 10 11 12 15 93 1F 14 83 01 00 00 66 03 0C 00 10 2 00 10 8C 0A D0 8A 20 E0 2D 10 10 3E 96 00 06 23 3 21 00 00 18 01 1D 00 72 51 D0 1E 20 6E 28 55 00 4 06 23 21 00 00 1E 01 1D 80 18 71 1C 16 20 58 2C 5 25 00 06 23 21 00 00 9E 01...

Page 15: ...devices that in the DPF all can be operation by PC 4 11 2 Memory card test 1 Insert SD MS XD MMC card Select the memory on input source menu 2 Play photo the performance should be no color shift the other function such as Rotate effect slideshow next forward pause also should be passed Notes 1 SD card family include mini SD mobile SD MMC memory card include RS MMC RS MMC Plus RS MMC mobile 2 MS ca...

Page 16: ...Acer Acer LCD D240H 4 11 4 DPF function test 4 11 4 1 DPF Monitor keypad control flow 1 Switch to DPF keypad flow 2 DPF play photo mode keypad flow Category ext Yes No jpg Photo bmp ...

Page 17: ...Acer Acer LCD D240H 3 DPF select photo mode flow 4 DPF setting menu flow ...

Page 18: ...Acer Acer LCD D240H ...

Page 19: ...Acer Acer LCD D240H Setting menu layer 1 ...

Page 20: ...Acer Acer LCD D240H Setting menu layer 2 Setting menu layer 3 ...

Page 21: ... and confirm the function is OK 2 Test the setting menu as below items 1 Slideshow time 2 Slideshow effect 3 Auto sleep time 4 Reset 5 Random paly 6 Auto copy 7 Delete all 8 Background color 9 Language Check and confirm the function is OK 3 Special define for DPF 1 Monitor Switch to DPF mode 2 Monitor language must sync with DPF language 3 If Auto sleep timer progress finished DPF mode will switch...

Page 22: ...DPF Acer logo 5 If hot_plug any card on DPF mode the display screen will change to input source select mode 6 If always press rotate key on play back mode the photo will rotate one time 7 If always press left or right key on browser mode if photo less memory range will show the photo else show the last photo 3 Warning message ...

Page 23: ...Acer Acer LCD D240H 4 11 5 DPF System Profile 1 DPF functions overview 2 DPF Input support image support ...

Page 24: ...s 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 5 1 1 General specifications Item Describe 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 ...

Page 25: ...n 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 2 2 Hot Key Operation HOT KEY OPERATION FUNCTION e Color AUTO MENU POWER DESCRIPTION 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 facto...

Page 26: ...00 Clock 0 100 50 1 Warm Cool Red 0 100 80 Green 0 100 80 Color Temp User 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 Full Wide Mode Aspect Full ON DDC CI OFF ON 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 Languag...

Page 27: ...Acer Acer LCD D240H Reset Resolution H Freq 2 V Freq Input Type S N Notes 1 Clock default 50 is for Visa timing Others depend on timing 2 Depend on timing S N ...

Page 28: ...Verde Verde 绿色緑 Blue 藍色 Blau Bleu Azul Blu 蓝色青 Auto Config 自動調整 Autom Abgl Autoréglage Autoajuste Autoregolazione 自动调整自動調整 OSD OSD OSD Timeout OSD 顯示時間設定 OSD Dauer Délai de l OSD T de espera OSD Intervallo OSD OSD 显示时间设定 OSD 表示時間設定 Setting 設定 Einstellung Réglages Configuración Impostazione 设置設定 Wide Mode 寬螢幕模式 Vollbild Plein écran Completa Schermo intero 宽屏模式ワイドモード Full 全螢幕 Vollbild Plein ...

Page 29: ...avor Autoregolazione Attendere prego 自动调整请稍待自動調整お待ちください Cable Not Connected 無訊號線連接 Leitung nicht angeschlossen Câble non connecté Cable no conectado Cavo non connesso 信号线无连接ケーブルが接続されていません Input Not Supported 不支援輸入訊號 Frequenzen nicht unterstützt Fréquences non supportées Frequencias no soportadas Frequenza non supportata 输入不支援入力はサポートされていません No Signal 無訊號 Kein signal Pas de signal Sin s...

Page 30: ...eä Blue Синий Blau Bleu Azul Blu Blauw Sininen Auto Config Автонастро йка Autom Abgl Autoréglage Autoajuste Autoregolazione Autom conf iguratie Autom asetukset OSD OSD OSD Timeout Вр отобр Меню OSD Dauer Délai de l OSD T de espera OSD Intervallo OSD Time out OSD Aikakatkaisu Setting Настр Einstellung Réglages Configuración Impostazione Instelling Asetus Wide Mode Широкоэк р еж Bildformate Mode Lar...

Page 31: ...niet aangesloten Kaapeli ei kiinni Input Not Supported Вход не поддержива ется Frequenzen nicht unterstützt Fréquences non supportées Frequencias no soportadas Frequenza non supportata Ingang niet ondersteund Tuloa ei tueta No Signal Нет сигнала Kein signal Pas de signal Sin señal Assenza segnale Geen signaal Ei signaalia Color management OSD scenario OSD language EMEA English 英语 Russian 俄语 Deutsc...

Page 32: ...erial ABS HB PMMA Front Bezel BLACK Back Cover BLACK Base BLACK Cabinet Texture ACER SPECIFICATION 6 3Mechanical Specification Mechanical Spec Bezel Gap Specification 1 3mm Screen printed Parts Front bezel 6 4Base Mechanical Interface items Spec Tilt Compliance with TCO03 4 1 14 1 Wall Mount 100mm x 100 mm ...

Page 33: ...Unit Packing Vibration Testing with vibration shall be done in each of three mutually perpendicular axes Axes are referenced to the position of system as it normally sits in front of user i e Front to back side to side and top to bottom 7 1 2 1 Random Vibration Items Description Sweep Frequency 1 200Hz Amplitude 1 14 Grms Duration Time 30 minute each axis Direction 3 mutually perpendicular axes x ...

Page 34: ...ackage Corner Step 2 Edge 3 5 of package Edge Step 3 Edge 2 3 of package Edge Step 4 Edge 2 5 of package Edge Step 5 Face bottom 3 of package Flat Step 6 Face left 4 of package Flat Step 7 Face front 5 of package Flat Step 8 Face right 2 of package Flat Step 9 Face rear 6 of package Flat Step 10 Face Top 1 of package Flat Mechanical and electrical damage should not exist after vibration test and s...

Page 35: ......

Page 36: ...Acer Acer LCD D240H 02 Flat Panel Specification ...

Page 37: ... 11 5 0 Electrical characteristics 12 5 1 TFT LCD Module 12 5 1 1 Power Specification 12 5 1 2 Signal Electrical Characteristics 13 5 2 Backlight Unit 14 6 0 Signal Characteristic 16 6 1 Pixel Format Image 16 6 2 The input data format 16 6 3 Signal Description 17 6 4 Timing Characteristics 18 6 5 Timing diagram 19 6 6 Power ON OFF Sequence 20 7 0 Connector Pin Assignment 21 7 1 TFT LCD Module 21 7...

Page 38: ...r do not press the center of the CCFL reflector edge Instead press at the far ends of the CCFL Reflector edge softly Otherwise the TFT Module may be damaged 10 At the insertion or removal of the Signal Interface Connector be sure not to rotate nor tilt the Interface Connector of the TFT Module 11 After installation of the TFT Module into an enclosure do not twist nor bend the TFT Module even momen...

Page 39: ...FICATIONS Screen Diagonal mm 609 7 24 0 Active Area mm 531 36 H x 298 89 V Pixels H x V 1920 x3 x 1080 Pixel Pitch um 276 75 per one triad 276 75 Pixel Arrangement R G B Vertical Stripe Display Mode TN Mode Normally White White Luminance Center cd m 2 300 cd m 2 Typ Contrast Ratio 1000 Typ Optical Response Time msec 5ms Typ on off Nominal Input Voltage VDD Volt 5 0 V Power Consumption VDD line CCF...

Page 40: ...40 160 2 Contrast ratio Normal Direction 600 1000 3 Raising Time TrR 3 5 7 5 Falling Time TrF 1 5 2 5 Response Time msec Raising Falling 5 10 4 Red x 0 619 0 649 0 679 Red y 0 308 0 338 0 368 Green x 0 259 0 289 0 319 Green y 0 579 0 609 0 639 Blue x 0 116 0 146 0 176 Color Chromaticity Coordinates CIE Blue y 0 040 0 070 0 100 White x 0 283 0 313 0 343 Color Coordinates CIE White White y 0 299 0 3...

Page 41: ...d dark room Note 2 Definition of viewing angle measured by ELDIM EZContrast 88 Viewing angle is the measurement of contrast ratio 10 at the screen center over a 180 horizontal and 180 vertical range off normal viewing angles The 180 viewing angle range is broken down as follows 90 θ horizontal left and right and 90 Φ vertical high up and low down The measurement direction is typically perpendicula...

Page 42: ... respectively The response time is interval between the 10 and 90 1 frame at 60 Hz of amplitudes TrR TfF 5 msec typ Note 5 Color chromaticity and coordinates CIE is measured by TOPCON SR 3 Note 6 Central luminance is measured by TOPCON SR 3 Note 7 Luminance uniformity of these 9 points is defined as below and measured by TOPCON SR 3 9 1 Points 9 in Luminance Maximum 9 1 points 9 in Luminance Minim...

Page 43: ...location without gray level 0 pattern cd m2 YB Luminance of measured location with gray level 0 pattern cd m2 Note 9 Test Patern Subchecker Pattern measured by TOPCON SR 3 R G B R G B R G B R G B R G B R G B Method Record dBV DC value with TRD 100 Level DC Hz 30 Level at AC log 20 dB Flicker Gray Level L127 Gray Level L0 Amplitude Time DC AC ...

Page 44: ...ent version 1 0 10 NUMPAGES 29 M240HW01 V2 3 0 Functional Block Diagram The following diagram shows the functional block of the 24 0 inch Color TFT LCD Module I F PCB Interface JAE FI XB30SSL HF15 STM MSBKT2407P30HB Mating Type FI X30HL Locked Type LVDS ...

Page 45: ...3 Absolute Ratings of Environment Item Symbol Min Max Unit Conditions Operating Temperature TOP 0 50 o C Operation Humidity HOP 5 90 RH Storage Temperature TST 20 60 o C Storage Humidity HST 5 90 RH Note 3 Note 1 With in Ta 25 Note 2 Permanent damage to the device may occur if exceeding maximum values Note 3 For quality perfermance please refer to AUO IIS Incoming Inspection Standard Operating Ran...

Page 46: ...1 47K R2 1K VR1 47K SW1 SW MAG SPST 1 2 F1 Q3 AO6402 G D2 S D1 D5 D6 C1 1uF 16V Q3 AO6402 G D2 S D1 D5 D6 C3 0 01uF 25V C2 1uF 25V High to Low Control Signal LCD Module Input Symbol Parameter Min Typ Max Unit Conditions VDD Logic LCD Drive Voltage 4 5 5 0 5 5 Volt 10 IDD1 Input Current 0 6 1 2 A VDD 5 0V All black Pattern At 60Hz PDD1 VDD Power 3 6 Watt VDD 5 0V All black Pattern At 60Hz IRush Inr...

Page 47: ...f SN75LVDS82DGG Texas Instruments in detail Characteristics of each signal are as following Symbol Parameter Min Typ Max Units Condition VTH Differential Input High Threshold 50 100 mV VICM 1 2V Note 1 VTL Differential Input Low Threshold 100 50 mV VICM 1 2V Note 1 VID Input Differential Voltage 100 600 mV Note 1 VICM Differential Input Common Mode Voltage 1 0 1 2 1 5 V VTH VTL 200MV max Note 1 No...

Page 48: ...t low power may happen 3 While designing an inverter it is suggested to check safety circuit very carefully Impedance of CCFL for instance becomes more than 1 M ohm when CCFL is damaged 4 Generally CCFL has certain delay time after applying kick off voltage It is recommended to keep on applying kick off voltage for 1 Sec until discharge 5 Reducing CCFL current will increase CCFL discharge voltage ...

Page 49: ... LCD Note 4 The frequency range will not affect lamp life and reliability characteristics Note 5 CCFL inverter should be able to release power that has generating capacity exceeding 2000 volt Lamp units need minimum voltage 2000 Volt for ignition Note 6 The variance of CCFL power consumption is 10 IRCFL VCFL 4 PCFL Note 7 Definition of life time brightness becomes 50 The minimum life time of CCFL ...

Page 50: ...al Characteristic 6 1 Pixel Format Image Following figure shows the relationship of the input signals and LCD pixel format R G B R G B R G B R G B R G B R G B R G B R G B 1 2 1919 1920 1st Line 1080 Line 6 2 The input data format Note 1 R G B data 7 MSB R G B data 0 LSB O Odd Pixel Data E Even Pixel Data ...

Page 51: ... RxOCLK Negative LVDS differential clock input Odd clock 9 RxOCLK Positive LVDS differential clock input Odd clock 10 RxOIN3 Negative LVDS differential data input Odd data 11 RxOIN3 Positive LVDS differential data input Odd data 12 RxEIN0 Negative LVDS differential data input Even data 13 RxEIN0 Positive LVDS differential data input Even data 14 GND Power Ground 15 RxEIN1 Positive LVDS differentia...

Page 52: ...escribed here is not actual input timing of LCD module but close to output timing of SN75LVDS82DGG Texas Instruments or equivalent Item Symbol Min Typ Max Unit Data CLK Tclk 40 75 90 MHz Period Th 1034 1060 2047 Tclk Display Area Tdisp h 960 960 960 Tclk H section Blanking Tblk h 74 100 1087 Tclk Period Tv 1088 1120 2047 Th Display Area Tdisp v 1080 1080 1080 Th V section Blanking Tblk v 8 40 967 ...

Page 53: ...6 M 2 M 1 RGB Data X Pixel DE Pixel Pixel CLK N 3 Line Line 3 2 Tdisp v Pixel RGB Data Odd RGB Data Even Line 8 M Pixel M pixel M 4 Invalid Data Th Tv Pixel N Tclk Pixel M 5 Invalid Data 4 Pixel 5 Invalid Data 12 Pixel Invalid Data 1 DE 4 Pixel 11 9 Line N Line Tblk h 10 Pixel Pixel Y Tblk v M 1 Pixel Pixel M Pixel M 3 M 2 Pixel Pixel Pixel 1 4 Pixel 3 Pixel 2 M 4 Pixel Pixel M 5 M 6 Pixel M 7 Pix...

Page 54: ... OFF Sequence VDD power and lamp on off sequence are as follows Interface signals are also shown in the chart Signals from any system shall be Hi Z state or low level when VDD is off Value Parameter Min Typ Max Unit T1 0 5 10 msec T2 0 15 msec T3 300 msec T4 200 msec T5 0 16 50 msec T6 100 msec T7 1000 msec ...

Page 55: ...nterface Connector Interface card Manufacturer STM JAE Type Part Number MSBKT2407P30HB FI XB30SSL HF15 Mating Housing Part Number FI X30HL Locked Type 7 1 1 Pin Assignment Pin Signal Name Pin Signal Name 1 RxOIN0 2 RxOIN0 3 RxOIN1 4 RxOIN1 5 RxOIN2 6 RxOIN2 7 GND 8 RxOCLKIN 9 RxOCLKIN 10 RxOIN3 11 RxOIN3 12 RxEIN0 13 RxEIN0 14 GND 15 RxEIN1 16 RxEIN1 17 GND 18 RxEIN2 19 RxEIN2 20 RxECLKIN 21 RxECL...

Page 56: ...ector Name Designation Lamp Connector Backlight lamp Manufacturer CVILUX Type Part Number CP0502SL090 Mating Type Part Number CP0502P1ML0 7 2 1 Signal for Lamp connector Connector No Pin No Input Color Function 1 Hot1 Pink High Voltage CN1 2 Cold1 White Low Voltage 1 Hot2 Blue High Voltage Upper CN2 2 Cold2 Black Low Voltage Connector No Pin No Input Color Function 1 Hot1 Pink High Voltage CN3 2 C...

Page 57: ... one time for each Axis Drop Test Height 46 cm package test Thermal Shock Test TST 20 30min 60 30min 100 cycles 1 On Off Test On 10sec Off 10sec 30 000 cycles Contact Discharge 8KV 150pF 330Ω 1sec 15 points 25 times point ESD Electro Static Discharge Air Discharge 15KV 150pF 330Ω 1sec 15 points 25 times point 2 Altitude Test Operation 10 000 ft Non Operation 30 000 ft Note 1 The TFT LCD module wil...

Page 58: ...panel as shown below Note 1 For Pb Free products AUO will add for identification Note 2 For RoHS compatible products AUO will add for identification Note 3 For China RoHS compatible products AUO will add for identification Note 4 The Green Mark will be presented only when the green documents have been ready by AUO Internal Green Team ...

Page 59: ...Ver 0 2 10 0 Mechanical Characteristics ...

Page 60: ...Ver 0 2 ...

Page 61: ...Ver 0 2 ...

Page 62: ...R SCREW P CROSS W WAS M3 6 Zn Cc 10 6 5 0 5 For NVBD PWRBD HDMI 2 509216608 110R SCREW F CROSS M4 8 BL ACK NL ROHS NYLOK 4 12 1 For Hingle toBack cover 3 509412610 500R SCREW B CROSS T T 4 10 BLK ROHS 3 9 5 0 5 For Hingle to Stand Front 4 509000000 700R BOLT 4 40x11 8 Ni 4 4 0 0 25 For D SUB CON DVI 3 2 LCD Exploded drawing All ...

Page 63: ...WER Fail Check U101 U106 Check C125 R133 Check X101 C126 C114 R134 Inverter Fail U102 fail Black Screen Check power supply For U102 Check reset pin114 of U102 Check Crystal waveform Pin 116 117 of U102 Check CCFL_Enable Pin 100 of U102 Check Pin 105 of CN102 NG NG NG NG NG OK OK OK OK OK NG OK ...

Page 64: ...cer Acer LCD D240H 4 2 Bad Screen Bad Screen Check LVDS cable Change LVDS cable Check Crystal Pin 114 126 of U102 Workmanship LVDS cable NG Check the pins of U102 Change X101 C114 C126 OK OK OK NG NG NG ...

Page 65: ...eck LVDS Cable Insert OK Change LVDS Cable Check VLCD is 5V Check Panel Enable of U102 Check Q101 Q104 Q102 R160 R162 R157 Check LVDS cable U102 Fail Workmanship LVDS cable NG Panel NG Q101 Q104 Q102 R160 R162 R157 fail OK OK OK OK NG OK NG NG NG NG NG ...

Page 66: ... LVDS FFC 30P 166 5mm W TASTE 50 LEW0J 003 430300400390R HRN ASS Y 4P 27MM UL1571 28 50 LE40J 001 430300802060R HRN ASSY 2X4P TO 1X8P 220mm UL1571 28 50 LJR0J 001 430303003060R HRN LVDS FFC 30P 190mm W CORE TASTE 50 LJR0J 002 430306000010R HRN FFC 60P 50mm 0 5Pitch W TASTE 27 LBN0J 001 453070801190R PWRCORD 16A 250V BLK 6FT VDE KTL H05VV F 50 LA10J 003 453030300370R CABLE DVI D 18 1P MALE 6FT BLAC...

Page 67: ...60 LJR0J 002 701000018401R ASSY CHASSIS DPF LP2441 60 LEW0J 005 501020228600R HINGE COVER LEFT LP2441 60 LEW0J 006 501020228601R HINGE COVER RIGHT LP2441 23 LFV0J 001 618100200430R SPEAKER 2 5W4Ω 230mm 210mm R G B W CASE LK 24005 019 631102240240H LCP 24 M240HW01 V2 00 A AUO HF LK 24005 019 631102240250H LCP 24 M240HW01 V2 0A A AUO HF ...

Page 68: ...Acer Acer LCD D240H 06 Schematics and Layouts 6 1 IF BD Layout ...

Page 69: ...Acer Acer LCD D240H 6 2 Power BD Layout ...

Page 70: ...Acer Acer LCD D240H ...

Page 71: ...Acer Acer LCD D240H 6 3 Keypad BD Layout ...

Page 72: ...Acer Acer LCD D240H 6 4 Touchpad BD Layout 6 5 Card BD Layout ...

Page 73: ...Acer Acer LCD D240H 6 5Switching Mode Power Supply circuit ...

Page 74: ...Y I CF_IORDY GPC1 GPF17 CF_D10 IO CF_D10 CF_D6 IO CF_D6 CF_CS1 O CF_CS1 GPF9 GPF0 CF_CS0 O CF_CS0 CF_D0 IO CF_D0 CF_CD0 I CF_CD0 CF_D5 IO CF_D5 GPC4 GPC3 CF_D9 IO CF_D9 GPC2 GPF3 CF_D7 IO CF_D7 CF_D14 IO CF_D14 GPF7 GPF10 GPC8 CF_D3 IO CF_D3 GPF2 GPC9 GPI8 GPF5 CF_D8 IO CF_D8 CF_D2 IO CF_D2 CF_D4 IO CF_D4 GPF4 GPF19 CF_D12 IO CF_D12 CF_D15 IO CF_D15 CF_D1 IO CF_D1 GPF6 CF_D11 IO CF_D11 GPC7 GPC6 C...

Page 75: ...anel S2 Assemble the panel and the bezel S3 Take out a chassis on the panel and assemble the power board and the chassis S4 Take out the main board and insert the FFC cable and keypad cable 07 Assembly and Disassembly ...

Page 76: ...ssis S6 Use a screwdriver to screw the 5 screws to fix the power board S7 Use a screwdriver to screw the 4 screws to fix the main board and USB board S8 Use a screwdriver to screw the 1 screw to fix the HDMI connecter Card BOARD MAIN BOARD 1 5 4 3 2 1 2 3 4 5 ...

Page 77: ...Use a screwdriver to screw the 4 screws to fix the VGA and DVI connecter S11 Set up the speaker 1 2 3 4 S12 Release the LVDS cable between main board and panel a Red left and green right S12 Set up the keypad board and the touchpad board ...

Page 78: ...S13 Fix the touchpad board and the keypad board Connect the two board S14 Assemble the back cover S15 Assemble the stand and fix it S16 Assemble the left and right hinge cover 4 4 3 2 3 2 1 1 1 2 4 3 ...

Page 79: ...S17 Assemble the base with the stand ...

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