BenQ M2400HD - 24" LCD Monitor Service Manual Download Page 19 | Manualshive

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24” LCD Color Monitor BenQ M2400HD

19

d. Click

icon, it will auto run. If burn in success, it will show as the follow picture:

http://www.wjel.net

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Summary of Contents for M2400HD - 24" LCD Monitor

Page 1: ...1st Date 05 08 2008 Notice For RO to input specific Legal Requirement in specific NS regarding to responsibility and liability statements Please check BenQ s eSupport web site http esupport benq com t...

Page 2: ...nformation 7 5 Product Overview 8 5 1 Monitor Specifications 8 5 2 Packing 9 Level 1 Cosmetic Appearance Alignment Service 12 Visual Inspection Cleaning 12 Software Firmware Upgrade Process 12 Adjustm...

Page 3: ...namic RAM DVI Digital Video Interface DVI I Digital Video Interface Integrated E EEPROM Electrically Erasable and Programmable Read Only Memory F FLASH FLASH memory G G TXT Green Teletext H HDMI High...

Page 4: ...lours Y C are ROM Read Only Memory S SDA Data signal on I2 C bus SDRAM Synchronous DRAM SW Sub Woofer Software T THD Total Harmonic Distortion V VGA Video Graphics Array Y YPbPr Component video Y Lumi...

Page 5: ...ho are familiar with this BenQ Product shall perform service or maintenance to it Before performing any maintenance or service the engineer MUST read the Important Safety Information 1 2 Trademark 2 I...

Page 6: ...ctrical components are sensitive to electrostatic discharge ESD Follow ESD safety procedures while handling these parts 8 Some products contain more than one battery Do not disassemble any battery or...

Page 7: ...ts for the 24 MICROPROCESSOR based Multi mode supported high resolution color LCD monitor This monitor can be directly connected to general 15 pin D sub VGA connector 24 pin DVI connector and 19 pin H...

Page 8: ...ronization TTL separate signal connection 15 pin mini D sub cable H Frequency 30 83 kHz Multi frequency monitor Input V Frequency 50 76 Hz modes within these parameters Display Colors 16 7M Colors Ima...

Page 9: ...or BenQ M2400HD 9 5 2 Packing When packing the monitor into the carton please follow the pictures as below Using the EPE bag to pack the monitor without base Putting the base into the PE bag h t t p w...

Page 10: ...24 LCD Color Monitor BenQ M2400HD 10 Using the EPS to pack the monitor Putting the base and user manual in the position as the picture shows above h t t p w w w w j e l n e t...

Page 11: ...24 LCD Color Monitor BenQ M2400HD 11 Putting the monitor and accessories into the carton Power cord Signal cable Audio cable USB cable Webcam h t t p w w w w j e l n e t...

Page 12: ...uld never beplacednear or over aradiatoror heat source orinabuilt ininstallation unlessproperventilation is provided Never push objects or spill liquid of any kind into this product Software Firmware...

Page 13: ...24 LCD Color Monitor BenQ M2400HD 13 h t t p w w w w j e l n e t...

Page 14: ...24 LCD Color Monitor BenQ M2400HD 14 h t t p w w w w j e l n e t...

Page 15: ...24 LCD Color Monitor BenQ M2400HD 15 h t t p w w w w j e l n e t...

Page 16: ...24 LCD Color Monitor BenQ M2400HD 16 Click to complete the installation Note After installation you must restart the PC to take the setup to effect h t t p w w w w j e l n e t...

Page 17: ...tor BenQ M2400HD 17 3 Connect the ISP board as follow 4 The process of ISP write is as follows a Double click running the program as follows Connect to the PC LPT Connect to the BenQ model h t t p w w...

Page 18: ...24 LCD Color Monitor BenQ M2400HD 18 b Click icon running the program as follows c Click icon load the program M2400W TSUMU88EDI M240HW01 V0x_20080801_V027_B1CB BIN h t t p w w w w j e l n e t...

Page 19: ...24 LCD Color Monitor BenQ M2400HD 19 d Click icon it will auto run If burn in success it will show as the follow picture h t t p w w w w j e l n e t...

Page 20: ...splay menu to adjust all the settings on your monitor Press the MENU key to display the following main OSD menu There are four main OSD menus 1 Display 2 Picture 3 Picture Advanced 4 Audio 5 System Us...

Page 21: ...djusts the screen settings automatically for you The AUTO key is a hot key for this function Press the ENTER key to select this option and make adjustment H Position Adjusts the horizontal position of...

Page 22: ...not available for use when Dynamic Contrast is on Press the key to increase the brightness and press the key to decrease the brightness 0 to 100 Contrast Adjusts the degree of difference between dark...

Page 23: ...of the image e g if you reduce the Blue level the image will gradually take on a yellowish tint If you reduce Green the image will become a magenta tint Press the or keys and the ENTER key to select...

Page 24: ...eys to select PICTURE ADVANCED and then press the ENTER key to enter the menu 3 Press the or keys to move the highlight to a menu item and then press the ENTER key to select that item 4 Press the or k...

Page 25: ...andard Movie Dynamics Photo sRGB Display Mode This feature is provided to allow aspect ratio s other than 16 10 to be displayed without geometric distortion Full Scales the input image to fill the scr...

Page 26: ...m 4 Press the or keys to make adjustments or selections 5 To return to the previous menu press the MENU button Item Function Operation Range Volume Adjusts the audio volume Press the or keys to change...

Page 27: ...D sub analog or DVI digital input Use this to change the input to that appropriate to your video cable connection type Analog only models do not have the Input function Press the or keys to change th...

Page 28: ...y changed When this function is activated the OSD controls and hotkey operations will be disabled Press the or keys to change the settings To unlock the OSD controls when the OSD is preset to be locke...

Page 29: ...erwise HDMI can only be selected by input select or by hot key Press the ENTER key to select this option Press the the or keys to change the settings ON OFF Reset All Resets all mode color and geometr...

Page 30: ...nction The timer should record up to 99999 hours 7 Add one select item for HDCP DVI port Mode1 Mode2 at Service menu Mode1 To enable the hot plug pin detection HDMI port default Mode 2 To disable the...

Page 31: ...24 LCD Color Monitor BenQ M2400HD 31 Level 2 Circuit Board and Standard Parts Replacement Product Exploded View Six angles view h t t p w w w w j e l n e t...

Page 32: ...injury during the uninstall And then remove the four screws as below to remove the stand base ASS Y Fig1 2 Remove the rear cover Remove the rear cover as Fig2 The arrows in blue are the hook that we...

Page 33: ...or BenQ M2400HD 33 3 Remove the Bezel Release the four screws marked in red as below to remove the bezel Remove the USB shield Fig 3 Remove this screw to remove the shield Remove this shield h t t p w...

Page 34: ...4 LCD Color Monitor BenQ M2400HD 34 4 Remove the Panel Remove the 4 screws on the side of main frame first and then disconnect the Lamp Connections and LVDS Cable connection h t t p w w w w j e l n e...

Page 35: ...Q M2400HD 35 5 Remove the Main Board and Power Board Remove the screws in red and disconnect the all connections at last you can get the Main Board and Power Board as follow POWER BOARD MAIN BOARD h t...

Page 36: ...c V sync RGB VGA_SDA VGA_SCL LCD Interface CN403 Key Board Control CN401 Crystal 14 318MHz X401 EEPROM U107 DVI_SCL DVI_SDA Digital Video Data HDMI Connector CN501 EEPROM U504 HDMI_SDA HDMI_SCL USB251...

Page 37: ...and Filter Start Circuit R904 R905 PWM Control IC Transformer Over Voltage Protect Rectifier Diodes AC input 5V 12V ON OFF Control PWM Control IC Feedback Circuit Output Circuit DC Convert Circuit MOS...

Page 38: ...W 5 R706 10K 1 16W 5 C705 0 1uF 16V C702 220uF 25V R707 10K 1 16W 5 C710 0 22uF R705 22K 1 16W 5 C714 0 1uF 16V R708 56K 1 16W 5 C709 0 1uF 16V R703 10K 1 16W 5 C707 100uF 25V Q702 AO3401 C715 0 1uF 1...

Page 39: ...16W I O1 1 GND 2 I O2 3 I O3 4 VDD 5 I O4 6 U102 AZC099 04S 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 CN101 DB15 R128 0R05 1 16W ZD104 RLZ5 6B R126 0R05 1 16W C104 1000pF R125 0R05 1 16W Q101 2N3906S...

Page 40: ...PS KEY1 C432 0 1uF 16V C402 0 1uF 16V R442 3 9K OHM 1 16W R446 NC C410 0 1uF 16V R419 100R 1 16W 5 X401 14 3 Mhz C434 0 1uF 16V R431 10K 1 16W 5 R435 NC C418 0 1uF 16V C408 22uF 50V R441 3 9K OHM 1 1...

Page 41: ...p Victory Electronics Co Ltd Key Component C A 5 8 Wednesday July 23 2008 715G3155 D 5 0 PANEL INTERFACE G3155 D X X 1 080619 RXE1 LVA1P RXO0 LVB0P LVA0P RXE0 RXE0 LVA0M C435 100uF 25V LVB2M RXO2 1 2...

Page 42: ...099 04S R518 10K 1 16W 5 R504 0R05 1 16W R515 100R 1 16W 5 A0 1 A1 2 A2 3 VSS 4 SDA 5 SCL 6 WP 7 VCC 8 U504 M24C02 WMN6TP R505 0R05 1 16W Line 1 1 Line 2 2 VDD 3 Line 3 4 Line 4 5 NC 6 NC 7 GND 8 NC 9...

Page 43: ...5 2S 10 VCC 11 1B1 12 1S 13 VCC 14 2B0 6 NC 7 2B1 9 NC 8 U603 FSA2257MTCX C619 1uF 10V DATA 2 BCK 1 LRCK 3 SCK 16 FMT 15 MUTE 14 DEMP 13 DGND 4 AGND 9 VOUTR 8 VCOM 10 NC 5 TEST 12 ZEROA 11 VOUTL 7 VC...

Page 44: ...C1 UGND USB5V UGND USB5V UGND UGND UGND VBUS1 UGND UGND USB5V VBUS3 UGND USB3 3V UGND USB3 3V UGND VBUS3 USB3 3V USB5V VBUS0 1 2 FB823 120 OHM C852 0 1uF 16V 1 2 ZD851 NC VPORT0603 102M V05 1 2 ZD852...

Page 45: ...01 R942 1K 1 10W 1 1 2 ZD921 MTZJ T 72 16B R914 0 33 OHM 5 D903 IN4148 1 2 HS1 NC 3 1 2 D905 BAV70 4 5 6 7 8 9 10 11 12 4 6 1 3 T901 POWER X FMR C939 1000uF 16V C930 0 1uF C911 1500PF2KV D909 31DQ06FC...

Page 46: ...OHM 1 8W C820 NC 47pF 3KV C821 NC 47pF 3KV C822 NC 47pF 3KV C811 0 1uF R808 300 OHM 1 1 10W C805 0 047uF 1 2 ZD802 GDZJ5 6B R812 12K 1 8W 5 12V ON OFF R824 10K 1 8W 5 5V DIM 1 2 ZD803 GDZJ5 6B R802 22...

Page 47: ...C 02 KEY BOARD G3169 C X X 1 0080508 MENU RIGHT CONNECTOR LEFT ENTER Power LED 3 4 2 1 6 5 SW005 SW 1 2 ZD005 UDZSNP5 6B AUTO GND GND 3 4 2 1 6 5 SW004 SW GND 3 4 2 1 6 5 SW003 SW GND 3 4 2 1 6 5 SW0...

Page 48: ...roubleshooting Guide Equipments and Tools Requirement 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with and Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual 8 Us...

Page 49: ...einsert and make sure the AC of 100 240 is normal Reinsert or check the power section Check if X401 oscillate waveforms are normal Measure U701 Pin2 3 3V U702 Pin2 1 8V OK OK NG NG NG Replace U701 U70...

Page 50: ...f the sync signal from computer is output and video cable is connected normally Input the sync signal of computer or change the cable NG OK NG Check U401 Replace U401 Measure U701 Pin2 3 3V U702 Pin2...

Page 51: ...w level X401 oscillate waveform is normal Check Correspondent component Replace Panel Check Correspondent component OK OK Replace X401 NG NG NG NG Check reset circuit of U401 is normal OK Check Q702 Q...

Page 52: ...e rectified circuit and F901 circuit Check start voltage for the pin8 of IC901 Check R904 R905 Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V 1 Check IC901 2 Check...

Page 53: ...OFF signal Check Interface board or main board NG OK Check U801 PIN 11 5V NG OK Change ON OFF circuit Check U801 PIN8 PIN9 PWM wave NG OK Check U801 Check Q805 Q806 Drain wave NG Check the output of T...

Page 54: ...ard OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y N N Is Key Pad Board normally Replace Key Pad Board Y N...

Page 55: ...24 LCD Color Monitor BenQ M2400HD 55 PCB LAYOUT Main Board h t t p w w w w j e l n e t...

Page 56: ...24 LCD Color Monitor BenQ M2400HD 56 Power Board h t t p w w w w j e l n e t...

Page 57: ...24 LCD Color Monitor BenQ M2400HD 57 h t t p w w w w j e l n e t...

Page 58: ...LL BOARDS MAIN FRAME 9 6 1 KGF CM 0M1G1740 10120 M4 10 FOR HINGE REAR COVER 4 12 2KGF CM 0Q1G 930 8120 Q3 8 FOR STAND BKT BEZEL 2 6 1KGF CM 0Q1G 930 8120 Q3 8 FOR POWER KEY BOARD BEZEL 2 6 1KGF CM 0M1...

Page 59: ...SCREW 42 D020523 0M1G1740 10120 SCREW 42A9940008 0Q1G 930 8120 SCREW 0Q1G 930 8120 SCREW 750GLU240H1013N000 PANEL M240HW01 V00 XM AUO 756GQ8CB BU001 MAIN BOARD CBPCRA2BQQ1 U402 056G1133120 IC MX25L20...

Page 60: ...067G 4152214KT EC 220UF 25V M 8 12MM C435 067G215Y1014KT EC CAP 105 105 C706 067G215Y1014KT EC CAP 105 105 C712 067G215Y1014KT EC CAP 105 105 C711 067G215Y1014KT EC CAP 105 105 C707 067G215Y1014KT EC...

Page 61: ...120 IC MX25L2025MC 12G 2MB SOP 8 Q403 057G 417 12 T KEC 2N3904S RTK PS Q405 057G 417 12 T KEC 2N3904S RTK PS Q502 057G 417 12 T KEC 2N3904S RTK PS Q503 057G 417 12 T KEC 2N3904S RTK PS Q504 057G 417 1...

Page 62: ...1 16W R434 061G0402101 RST CHIPR 100 OHM 5 1 16W R436 061G0402101 RST CHIPR 100 OHM 5 1 16W R437 061G0402101 RST CHIPR 100 OHM 5 1 16W R514 061G0402101 RST CHIPR 100 OHM 5 1 16W R515 061G0402101 RST C...

Page 63: ...10 KOHM 5 1 16W R828 061G0402103 RST CHIPR 10 KOHM 5 1 16W R853 061G0402103 RST CHIPR 10 KOHM 5 1 16W R854 061G0402103 RST CHIPR 10 KOHM 5 1 16W R119 061G0402103 RST CHIPR 10 KOHM 5 1 16W R129 061G040...

Page 64: ...5 1 16W R601 061G0402220 RST CHIPR 22 OHM 5 1 16W R114 061G0402222 RST CHIPR 2 2 KOHM 5 1 16W R113 061G0402222 RST CHIPR 2 2 KOHM 5 1 16W R614 061G0402223 RST CHIPR 22 KOHM 5 1 16W R612 061G0402223 R...

Page 65: ...16W 5 R623 061G0402751 RST CHIP 750R 1 16W 5 FB103 061G0603000 RST CHIPR 0 OHM 5 1 10W FB102 061G0603000 RST CHIPR 0 OHM 5 1 10W FB101 061G0603000 RST CHIPR 0 OHM 5 1 10W FB606 061G0805000 RST CHIPR...

Page 66: ...16V X7R C417 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R C418 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R C419 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R C421 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R...

Page 67: ...PO C610 065G0402220 31 CHIP 22PF 50V NPO C115 065G0402224A5T MLCC 0402 0 22UF K 10V X C114 065G0402224A5T MLCC 0402 0 22UF K 10V X C710 065G0402224A5T MLCC 0402 0 22UF K 10V X C502 065G0402224A5T MLCC...

Page 68: ...0 OHM 0805 L803 073G253S 6 R SMD CHOKE 90 OHM 0805 L851 073G253S 6 R SMD CHOKE 90 OHM 0805 CN501 088G 340 19CHA HDMI HEADER 19P D101 093G 64 42 P BAV70 SOT23 BY PAN JIT D102 093G 64 42 P BAV70 SOT23 B...

Page 69: ...W C653 065G0603103 32 CAP CHIP 0603 0 01UF K 50V X7R C652 065G0603103 32 CAP CHIP 0603 0 01UF K 50V X7R C651 065G0603103 32 CAP CHIP 0603 0 01UF K 50V X7R 715G3159 E E EAR BOARD PCB CNPC8QA3 CNPC BOAR...

Page 70: ...T UDZSNP5 6B ROHM 715G3170 E POWER KEY BOARD PCB PWPC8E41AAB6 POWER BOARD 040G 45762412B CBPC LABEL CN804 033G8021 2E F WAFER CN803 033G8021 2E F WAFER CN802 033G8021 2E F WAFER CN801 033G8021 2E F W...

Page 71: ...T SINK 705GQ893038 D907 D908 ASS Y D907 093G 60251 FCQ10U06 D908 093G 60251 FCQ10U06 0M1G1730 8120 SCREW HS2 Q90G6241 1 GP HEAT SINK U901 056G 379107 IC LD7575A PS SOP 8 U801 056G 608 12 IC TA9687GN A...

Page 72: ...223 RST CHIPR 22 KOHM 5 1 8W R943 061G0805471 RST CHIPR 470 OHM 5 1 8W R824 061G0805511 RST CHIPR 510 OHM 5 1 8W R827 061G0805511 RST CHIPR 510 OHM 5 1 8W R803 061G0805512 RST CHIPR 5 1 KOHM 5 1 8W R8...

Page 73: ...CHIP 0 047UF 50V X7R C930 065G0805104 32 CAP CHIP 0805 0 1UF K 50V X7R C924 065G0805104 32 CAP CHIP 0805 0 1UF K 50V X7R C907 065G0805104 32 CAP CHIP 0805 0 1UF K 50V X7R C823 065G0805104 32 CAP CHIP...

Page 74: ...T 72 16B ZD922 093G 3959652T GDZJ5 6B ZD803 093G 3959652T GDZJ5 6B ZD802 093G 3959652T GDZJ5 6B D900 093G 6026T52T RECTIFIER DIODE FR107 D901 093G 6038T52T FR103 D809 093G 64 1152T 1N4148 D903 093G 64...

Page 75: ...2E1818018 32 D022217 2nd source 052G 1211 B AL TAPE Q41G780088125A QSG FOR M2400HD Q41G7800881 5A SAFETY_INSTRUCTIONS 4J L2V03 001 Q45G 76 28A35 PE BAG Q41G780088127A WARRANTY CARD FOR EMEA M2400HD E2...

Page 76: ...rt No Description Remark 089G414A18N IS POWER CORD 32E1818021 089G414A18N YH POWER CORD 32E1818021 2nd source Q41G7800881 2A 4J 06L03 001 CERTIFICATE Q41G780088126A WARRANTY CARD FOR M2400HD E2400HD Q...

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