Applicable Country & Regions: Global Service Manual for BenQ: G2450HM: D-SUB + HDMI + DVI + AUDIO P/N: 9H.L7NLA.TBW GL2450HM: D-SUB + HDMI + DVI + AUDIO P/N: 9H.L7CLA.TBE GL2450HE: D-SUB + HDMI + DVI + AUDIO P/N: 9H.L7CLA.FBE Glossy Black Chassis Colors Product Service Manual – Level 1~2 Version: 2nd Date:10-31-2012 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.
Content Index Abbreviations & Acronyms ........................................................................................................................................3 1. About this Manual ...................................................................................................................................................5 1.1 Important .......................................................................................................................................................
Abbreviations & Acronyms A ADC Analog to Digital Converter AFC Automatic Frequency Control: control signal used to tune to the correct frequency B BenQ BenQ Corporation BTSC Broadcast Television System Committee C CPU CVBS Central Process Unit Composite Video Blanking and Synchronization D DLP Digital Light Processing / Texas Instruments® DMD Digital Micro mirror Device DRAM DVI Dynamic RAM Digital Visual Interface DVI-D Digital Visual Interface-digital DVI-I Digital Visual Interface-Inte
NC NVM Not Connected Non Volatile Memory: IC containing TV related data (for example, options) O OSD On Screen Display P PC PCB Personal Computer Printed Circuit Board (or PWB) R RC RGB ROM Remote Control transmitter Red, Green and Blue. The primary color signals for TV.
1. About this Manual The purpose of Service Manual is to provide a guide line to engineers to repair different models. The appearance and capability is introduced in this Service Manual. It is better for repair engineer to have a rough idea of this model through reading the Service Manual. Please do pay attention to the item part of the disassembly when repair the machine and also do the protection of panel any time.
2. Introduction This section contains general service information, please read through carefully. It should be stored for easy access place. 2.1 RoHS (2002/95/EC) Requirements – Applied to all countries require RoHS. The RoHS (Restriction of Hazardous Substance in Electrical and Electronic Equipment Directive) is a legal requirement by EU (European Union) for the global electronics industry which sold in EU and some counties also require this requirement.
Operation 1. To protect your eyesight, please refer to the user manual to set the optimal screen resolution and the viewing distance. 2. To reduce eye fatigue, take a break on a regular basis while using the monitor. Avoid taking either one of the following actions for a long time. Otherwise, burn marks may occur. Use the monitor in the aspect ratio of 16:9. Place a still image (such as an OSD menu, fixed text or image) on the screen. 3.
3.
5. Product Overview 5.1 Monitor Specifications G2450HM GL2450HM/GL2450HE Conf. 2 Conf. 3 D-sub (include component source) + D-sub (include component source) + DVI-D + HDMI + speaker DVI-D + HDMI + speaker TN + CCFL TN + LED Panel Size 24"W(16:9) 24"W(16:9) Display Area 531.36x298.89 531.36x298.89 Max. Resolution 1920X1080 1920X1080 Pixel Pitch 0.276 0.276 Brightness (Typ.
Power Supply Audio line in Yes Yes Earphone Jack Yes Yes Voltage Rating AC: 100~240V (Built-in) AC: 100~240V (Built-in) Power-On Mode <35W (max) <35W (max) Standby Mode <0.3W (max) <0.3W (max) Power Off Mode <0.3W (max) <0.
5.1.
and VCCI Vender provide V J-Moss GP relevant information and report If VOC Class Level: ★ ★★ PC3R GP ★★★ Vender test is provide requested, relevant V please information provide 1 and report sample for Meet the PC3R requirement of 2009 version. testing.
Including BSMI certificate, BSMI report and BSMI authorization letter for V Taiwan V BSMI Safety & EMC BENQ if the V applicant of BSMI certificate is vendor and vendor will perform the clearance for BenQ. V Saudi Arabia V SASO Safety V Vender V V Turkey provide EEE GP Directive relevant V TR RoHS information and report V Argentina V CE Safety & EMC V V S Mark Safety V Same as the CE of EU.
Class Level: Vender provide gold silver EPEAT GP relevant V information cuprum V Mexico and report V NOM Safety V V CE Safety & EMC V Vender provide V EuP GP relevant information and report Vender Member V EU European provide countries of V WEEE GP relevant information Union and report Vender provide V REACH GP relevant information and report V Eastern Europe Germany V Russia V Ukraine GS Safety V V Bauart Safety V V ISO9241-307 Safety V V MPR II Safety
Vender International V International V provide BenQ ecoFACTS GP relevant information and report Follow ecoFACTS Checklist in RFQ Including Test Report by EPA recognition of Accreditation Laboratory and Certificate by EPA International V All V Energy Star GP V recognition of Certification Body (CB). Effective date: 2011-1-1. BenQ phase in date: 2010-12-06. International V International V TCO'03 Safety & GP V TCO'06 Safety & GP V Safety & GP V TCO Displays 5.
GL2450HM//GL2450HE Certification / Requirement Shipment Region Country (Pls Country select) Request for Certification Regulatory (Black is Type Certification mandatory (Pls select) and blue is (safety/safety & Applied by vendor Applied BenQ by Sample BenQ Reguest Remark voluntary) EMC/EMC/GP) Must include Australia, V New radiation test V C-Tick EMC V result for Zealand frequency above 1GHz Including CCC certificate, V CCC Safety & EMC CCC report V and CCC label printing per
and VCCI Vender provide V J-Moss GP relevant information and report If VOC Class Level: ★ ★★ PC3R GP ★★★ Vender test is provide requested, relevant V please information provide 1 and report sample for Meet the PC3R requirement of 2009 version. testing.
Including BSMI certificate, BSMI report and BSMI authorization letter for V Taiwan V BSMI Safety & EMC BENQ if the V applicant of BSMI certificate is vendor and vendor will perform the clearance for BenQ. V Saudi Arabia V SASO Safety V Vender V V Turkey provide EEE GP Directive relevant V TR RoHS information and report V Argentina V CE Safety & EMC V V S Mark Safety V Same as the CE of EU.
Class Level: Vender provide gold silver EPEAT GP relevant V information cuprum V Mexico and report V NOM Safety V V CE Safety & EMC V Vender provide V EuP GP relevant information and report Vender Member V provide countries of EU V WEEE GP relevant European information Union and report Vender provide V REACH GP relevant information and report V Eastern Europe Germany V Russia V Ukraine GS Safety V V Bauart Safety V V ISO9241-307 Safety V V MPR II Safet
Vender International V International V provide BenQ ecoFACTS GP relevant information and report Follow ecoFACTS Checklist in RFQ Including Test Report by EPA recognition of Accreditation Laboratory and Certificate by EPA International V All V Energy Star GP V recognition of Certification Body (CB). Effective date: 2011-1-1. BenQ phase in date: 2010-12-06. International V International V TCO Displays 5.
5.2 Panel Inspection Specification 1. Scope: 1.1 The incoming inspection standards shall be applied to TFT-LCD Modules (hereinafter called "Modules") that supplied by AU Optronics Corporation (hereinafter called "seller"). 1.2 Specifications contains _ Electrical inspection specification _ Appearance specification _ Outside dimension specification 2. Incoming inspection: The buyer (customer) shall inspect the modules within twenty calendar days of the delivery date (the "inspection period”) at its own cost.
Major defects: A major defect is a defect that is likely to result in failure, or to reduce materially the usability of the product for its intended purpose. Minor defects: A minor defect either is a defect that is not likely to reduce materially the usability of the product for its intended purpose, or is a departure from an established having little bearing on the effective use or operation of the product. 6.
Test Pattern Defect Full Black For bright dot(s) Full White For dark dot(s) Monotone Red /Green /Blue For bright and dark dot(s) Note 4: The judgment criteria of particle occurred bright dot is the same as bright dot judgment criteria. Note 5: The display uniformity (general mura) symptoms will use 8% ND Filter. That is, the definition of Not Noticeable means the symptom can be covered by 8% ND Filter.
Note 1: When L>=2W, defect count as liner defect. Note 2: D=1/2(W+L) Note 3: To verify the responsibility of following defects was caused by supplier, the IQC checks as requested on above items before mass production such as the Polarizer Scratch, Gap Mura, TFT Glass broken…etc. 6.3 Outside dimension specification: Inspection Item Testing Specification Note Order Name Unit 1 Outside dimension (vertical) mm ± 0.8 mm Please refer to the product 2 Outside dimension (horizontal) mm ± 0.
7. Inspection judgment: 7-1 The judgment of the shipped lot (acceptance or rejection) should follow the sampling plan of MIL-STD-105E, single sampling, normal inspection, level II. 7-2 If the number of defects is equal to or less than the applicable acceptance level, the lot shall be accepted. 7-3 If the number of defects is more than the applicable acceptance level, the lot shall be rejected and the buyer should inform the seller of the result of incoming inspection in writing 8.
Level 1 Cosmetic / Appearance / Alignment Service Visual Inspection & Cleaning Cleaning. Always unplug your monitor from the wall outlet before cleaning. Clean the LCD monitor surface with a lint-free, non-abrasive cloth. Avoid using any liquid, aerosol or glass cleaners. Slots and openings on the back or top of the cabinet are for ventilation. They must not be blocked or covered.
2.Connection 3.Install USB driver. 3.1. When insert the USB cable to PC USB port, will pop up a Hardware Wizard to help you install the USB driver if you use this ISP board first time. You can install it successfully as the below instruction step by step. Remark: The USB driver files path: D:\FTC100103(Mstar)\FTCUSB.
Click “Finish” to complete the USB serial port driver installation. 4. Install the ISP tool. 4.1.Copy the three files in one folder.
4.2. Double-click to run the ISP tool. 4.3. Set the parameters in “Device” window. Tick “WP Pin pull to high during ISP”.
4.4. Connect to the monitor. Click “Connect”. If the tool communicate with monitor successfully, the tool will detect the flash type of monitor. 4.5. Load the F/W you want to upgrade.
4.6. Set the restore address. Please fill “0x03F000” and “4KB” as follow. 4.7. Set parameter in “Auto” window. If you have set “Restore address”, please tick “Restore Data”.
4.8.Processing of upgrade. After clicking “Run”, the tool start to program. It is forbided to power off monitor or switch off connection during programming. 4.9.Successful upgrade. When upgrade successful, there will be green Pass letter appearing.
5. Check the FW version after upgrade.（Take below figure as an instance） (1)Connect signal source and power cable to monitor and DC off it. (2) Press “menu” key and “power on” key synchronously as below figure. When the screen lights, release the two buttons and then press “menu” again to open below factory menu. Menu key Power on key Check this F/W version. (3) If the version is right, please do factory reset in user menu as below, or re-upgrade F/W as the above steps.
6. Troubleshooting. 6.1. Can’t Entry ISP Mode!! The method to cure it: (1) Click “Config” to check the port type is USB. If no selection of USB as below please disconnect the JIG and then link it again. (2) Check the cables and ISP JIG are connected fluently. (3) Click the “Dis Con” and click “Connect” again. (4) AC off the monitor for a while and retry it. (5) Change advanced ISP tool. (6) Change ISP JIG or cable. (7) Change PC.
Upgrade by 715GT034-D 1. Materials list LPT cable (male to male) VGA cable TPV P/N: N/A TPV P/N: 089G728 GAA DB ISP JIG: 715GT034-D PC LPT driver ISP tool: V4.5.0.8.
2. Connection Don’t press down these two buttons. 3.Install LPT driver. 3.1. Double-click to install it. And restart PC after that. 4. Install the ISP tool. 4.1.Copy the three files in one folder.
4.2. Double-click to run the ISP tool. 4.3.Click the “Config” to set the relevant parameters as below. (1).Click “Config” item. (2).Select “AOC” and click “Apply” in JIG column. (3).The speed should be less than 50kHz. (4).Select “LPT1” in port type and click “Auto Detect” until the OK appears.
4.4. Set the parameters in “Device” window. Tick “WP Pin pull to high during ISP”. 4.5. Connect to the monitor. Click “Connect”. If the tool communicate with monitor successfully, the tool will detect the flash type of monitor.
4.6. Load the F/W you want to upgrade. 4.7. Set the restore address. Fill “0x03F000” and “4KB” for BENQ G2450HM/GL2450HM//GL2450HE.
4.8. Set parameter in “Auto” window. If you have set “Restore address”, please tick “Restore Data”. 4.9.Processing of upgrade. After clicking “Run”, the tool start to program. It is forbided to power off monitor or switch off connection during programming.
4.9.Successful upgrade. When upgrade successful, there will be green Pass letter appearing. 5. Check the FW version after upgrade. (1)Connect signal source and power cable to monitor and DC off it. (2) Press “menu” key and “power on” key synchronously as below figure. When the screen lights, release the two buttons and then press “menu” again to open below factory menu. Menu key Power on key Check this F/W version.
(3)If the version is right, please do factory reset in user menu as below, or re-upgrade F/W as the above steps. The reset will turn off burn in mode. 6. Troubleshooting. 6.1. Can’t Entry ISP Mode!! Methods to cure: (1) Check the cables and ISP JIG are connected fluently. (2) Click the “Dis Con” and click “Connect” again. (3) AC off the monitor for a while and retry it. (4) Change advanced ISP tool. (5) Change ISP JIG or cable. (6) Change PC.
Adjustment / Alignment Procedure The Control Panel 1. AUTO: Adjusts vertical position, phase, horizontal position and pixel clock automatically. 2. MENU key: Activates OSD main menu and return to the previous menu or exit OSD. 3.▲ /Volume key: For Up/Increase adjustment. The key is the hot key for Volume. 4.▼ /Mode key: For Down/Decrease adjustment. The key is the hot key for Mode. 5. ENTER key: Enters sub menus and select items. 6. Power: Turns the power on or off. OSD = On Screen Display.
Mode hot key Press the ▼ key continually to switch between the 6 modes for the main window, including Standard, Movie, Game, Photo, sRGB, and Eco. The setting will take effect immediately. Input hot key (not available for analog-only models) Press the ENTER key to toggle between different PC video signal inputs that may be connected to your monitor. The setting will take effect immediately. The setting will take effect immediately. The setting will take effect immediately.
Display Menu Available menu options may vary depending on the input sources, functions and settings. Menu options that are not available will become grayed out. 1. Press the MENU key to display the main menu. 2. Press the ▲ or ▼ keys to select DISPLAY 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 ▼ keys to make adjustments or selections. 5.
Picture Menu Available menu options may vary depending on the input sources, functions and settings. Menu options that are not available will become grayed out. 1. Press the MENU key to display the main menu. 2. Press the ▲ or ▼ keys to select PICTURE 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 ▼ keys to make adjustments or selections. 5.
User Mode: The blend of the Red, Green and Blue primary colors can Press the ▲ or ▼ keys and the ENTER be altered to change the color tint of key to select Red, Green, or Blue. Then the image. Go to the succeeding use the ▲ or ▼ keys to make the color Red, Green, and Blue menus to adjustments. change the settings. Red Green Tailors the image color tint. Decreasing one or more of the colors will reduce their respective influence on the color tint of the image. (e.g.
Item Function Operation Range Selects a picture mode that best suits the type of images shown on the screen. • Standard - for basic PC application. • Movie - for viewing videos. • Standard • Game - for playing video games. Picture Mode • Photo - for viewing still images. • sRGB - for better color matching Press ▲ or ▼ keys to change the settings. • Movie • Game • Photo representation with the peripheral devices, such • sRGB as printers, DSCs, etc.
Determines the color space (RGB or YUV) based on the following detected video signal: • D-Sub (VGA) from PC: The default Color Format is RGB. • D-Sub (Component) from a video device: The default Color Format is YUV. Press the ENTER key You might need to manually set the Color Color Format Format if colors shown on the monitor screen do not display properly. • DVI (for models with DVI inputs): Color Format to select this option. • RGB Press the ▲ or ▼ keys • YUV to change the settings.
decrease the volume. Press the ▲ or ▼ Mute Mutes the audio input keys to change • OFF the settings. • Auto Audio Select (for models with HDMI • ON Allow users to select the audio source or let the monitor detect it automatically Press the ▲ or ▼ keys to change Detect • PC Audio the settings. •HDMI inputs) Audio System menu Available menu options may vary depending on the input sources, functions and settings. Menu options that are not available will become grayed out. 1.
from those shown on the right, • Polish depending on the product supplied • Japanese in your region. • Czech • Traditional Chinese • Hungarian • Simplified Chinese • Serbo-Croatian • Romanian • Dutch • Russian • Swedish • Portuguese H. Position V. Position Display Time Adjusts the horizontal position of 0 to 100 the OSD menu. Adjusts the vertical position of the Press ▲ or ▼ keys to change the OSD menu. settings. 0 to 100 Adjusts the display time of the OSD 5 / 10 / 15 / 20 / menu.
by hot key. Auto Power off Sets the time to power off the Press the ENTER key to select monitor automatically in power this option. Press the ▲ or ▼ keys saving mode. to change the settings. • OFF • 10min. • 20min. • 30min. • Input • Current Resolution Information Displays the current monitor • Optimum property settings. Resolution (best with the monitor) • Model Name Resets all mode, color and Reset All geometry settings to the factory default values.
Display Timing Table For G2450HM/GL2450HM//GL2450HE Note: P: Preset Mode NP: None Preset Mode FS: Fail Save Mode (show “out of range”, but still can see picture) O: Out of Range (only show “out of range”, without picture) BenQ Preferred Pixel clock H-sync V-sync (unit: MHz) (unit: kHz) (unit: Hz) 640x350 25.18 31.47 70.09 FS 640x350 31.50 37.86 85.08 NP 640x400 25.18 31.47 70.09 FS 640x400 31.5 37.86 85.08 NP 640x480 30.24 35.00 66.67 P 640x480 25.17 31.47 59.
P 1024x768 80.00 60.24 74.93 DMT-8 P 1024x768 78.75 60.02 75.03 DMT-9 FS 1024x768 94.50 68.68 85.00 DTV P 1152x720 66.75 44.86 60 NP 1152x864 94.50 63.85 70.01 DMT-10 P 1152x864 108.00 67.50 75.00 GTF-7 FS 1152x864 119.651 77.09 85.00 P 1152x870 100.00 68.68 75.06 P 1152x900 92.94 61.80 65.95 NP 1152x900 105.59 71.73 76.07 P 1280x720 74.25 45.00 59.94 P 1280x720 74.50 44.77 59.86 P 1280x720 95.75 56.46 74.78 P 1280x768-R 68.25 47.
P 1440x900 136.75 70.6 75 P 1600X900-R 97.75 55.54 59.98 P 1600x1000-R 108.5 61.648 59.910 NP 1600x1000 132.25 62.14 59.87 NP 1600x1000 169.25 78.356 74.83 CVT-2 NP 1600x1200-R 130.25 74.01 59.92 DMT-14 P 1600x1200 162.00 75.00 60.00 NP 1600x1200 175.50 81.25 65.00 NP 1600x1200 189.00 87.50 70.00 DMT-15 NP 1600x1200 202.50 93.75 75.00 DMT-16 O 1600x1200 229.50 106.25 85.00 DMT-22 NP 1680x1050-R 119.00 64.67 59.88 DMT-23 P 1680x1050 146.
HDMI CEA-861D General Parameters Freq. 59.94Hz 60Hz 50Hz Code HDMI I/p Pixel Clock H-Sync Horizontal V-Sync (unit: MHz) (unit: kHz) (unit: Hz) V-Sync Parameters H-Total H-Active H Blank V-Total V-Active V Blank 1 Y Prog 25.175 31.469 59.940 800 640 160 525 480 45 2,3 Y Prog 27.000 31.469 59.940 858 720 138 525 480 45 4 Y Prog 74.176 31.469 59.940 1650 1280 370 750 720 30 5 Y Int 74.176 44.955 59.940 2200 1920 280 1125 1080 23 6,7 NA Int 27.
Factory OSD Menu The service page needs to include that information: Model name, S/N, Vender, panel, scalar, F/W version, Monitor on time, Backlight on time. 1. Trigger method: Press “Menu” key and Power on. 2. Press the Menu key will display the service page 3. Press menu key will close the service page. 4. power off will quit the service mode 5. At the service mode, the key function is same as normal OSD define. 6.
Level 2 Circuit Board and Standard Parts Replacement Product Exploded View Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv.com.cn/hello1.asp for the latest information.
15 SPEAKER 1 PCS 16 PLATE 4 PCS 17 REAR COVER 1 PCS 18 HINGE 1 PCS 19 STAND 1 PCS 20 BASE 1 PCS 21 FOOT PAD 6 PCS SCREW Item Part No. Description Qty Unit 6 0D1G1030 6120 POWER BOARD & MAINFRAME 2 PCS 7 0M1G1740 8120 POWER BOARD & MAINFRAME 1 PCS 8 0D1G1030 6120 MAIN/POWER BOARD & MAINFRAME 4 PCS 22 AM1G1740 10 47 CR3 STAND & HINGE 3 PCS 23 0M1G 130 10 47 CR3 MAIN FRAME & REAR COVER 2 PCS Part No.
Six Angles’ View 60
Product Disassembly/Assembly Disassembly 1) Remove the base Place the monitor face down on a smooth surface. Be careful to avoid scratch and injury during the process of uninstall. And then remove the base. 2) Remove the stand. Press the hole; pull at the stand strongly at the same time. The hole.
3) Remove the rear cover Remove the screw in red to remove the rear cover: Pull apart bezel & rear cover. Note: Be careful, the BEZEL CLIP is easy to break.
Note: The positions of the clips on the rear cover are as follow. There are some small gaps between CLIPS. It’s suggested to separate bezel and rear cover from the gaps. Example: You can separate the bezel and rear cover from here. 4) Remove the main frame from the panel. Remove the black rubberized fabric and aluminum foil; pull out the wire to remove the mainframe. Note: When you assembled the LCD, you must tidy the wire as follow picture.
5) Remove the AC cover from the mainframe. 6) Remove the boards from the main frame. Remove screws in red; remove the black rubberized fabric, and then pull out the wire. The power board The main board Connect main board Connect main board and speaker. and power board.
7) Remove the speaker. Pull at the foot of the speaker strongly as follow picture. The foot of the speaker 8) The panel 9) The bezel.
Assembly 1) Assemble the speaker on the main frame. Pull at the foot of the speaker strongly. The wire of the speaker will be traversed from the middle hole as follow picture. The wire will connect power board and speaker. The foot of the speaker The wire of the speaker 2) Assemble the wire to the main board. Connect main board and panel. Connect main board and key board.
3) Assemble the main board and power board on the main frame. Connect main board and power board; connect speaker and power board. Lock the main board and power board on the mainframe. Stick the black rubberized fabric. Connect main board and power board. Connect main board and speaker. 4) Assemble the AC-COVER.
5) Assemble the panel on the bezel. 6) Assemble the main frame and the key board. Connect key board and main board, panel and power board, panel and main board. Stick the black rubberized fabric and aluminum foil. Connect panel and main board. Connect panel and power board.
7) Assemble the rear cover. Lock the mainframe and rear cover as follow picture. 8) Assemble the stand. Push the stand as follow picture.
9) Assemble the base.
Block Diagram Main Board Crystal 14.
Power Board GL2450HM//GL2450HE 715G5000P01000003H AC input EMI filter Bridge Rectifier and Filter Transformer 16V Rectifier diodes 5V Start Resistor (R908) PWM Control (IC901) Feedback Circuit Power Switch (Q901) Photo coupler (IC902) D801 L802 +16V MOSFET (Q806) Connector (CN802) PWM Control MP3389EY (U801) Feedback Circuit 72 ON/OFF DIM
G2450HM 715G5000P01001003H AC input EMI filter Bridge Rectifier and Filter Transformer 16V Rectifier diodes 5V Start Resistor (R908) PWM Control (IC901) Power Switch Feedback Circuit (Q901) Photo coupler (IC902) MOSFET (Q805/Q806) +16V Inverter Connector (CN801/ CN802/ CN803/ CN804) Feedback Circuit PWM Control ta9687GN-A-3-TR (IC801) 73 5V ON/OFF DIM
Schematic Diagram Main Board 715G4997M0E000004L VCC3.3 ADJ(GND) VOUT(TAB) VIN R702 100R SOT 252 ADJ_BACKLIGHT 5 +5V CO-Lay R710 NC NC/47K 1/16W 5% PANEL_ID R711 100UF16V C706 GND 1 + 120OHM 2 VCC1.8 R720 150R U706 100UF16V C708 G5622ADJT11U 0.1UF 16V C701 R721 30K VCC1.8 C721 GND 5 10uH + 15K +5V L701 R722 G S S S + VFB 3 2 5 6 7 8 AO4411 4 3 2 1 220N16V C711 R714 NC U701 LX EN 0.
OHM 0R05 1/10W +5V VGA_5V C109 47N16V R111 470R C110 1N50V R116 10R C111 47N16V R118 47R C113 47N16V R120 10R C114 47N16V R123 47R C117 47N16V GNDB 5 SOG 5 GIN 5 GNDG 5 RIN 5 GNDR 5 DDCA_SCL DDCA_SDA R130 220N16V C123 3 5 5 1 8 7 6 5 DDCA_SCL DDCA_SDA U101 VCC A0 WP A1 SCL A2 SDA VSS 1 2 3 4 CAT24C02WI-GT3 4,5 DDC_WP WP=high then write protect. NC/0.1uF/16V C122 0.1UF 16V C121 2 1 0.1UF 16V C120 2 1 +5V 0.1UF 16V C119 47R 5 ESD_VGA 22K D104 BAV99 4.
DVI_5V +5V 1 2 DVI_5V NC/0R05 1/16W R504 R503 R502 VCC3.3 D502 ZD502 RLZ5.6B FB502 1 RLZ5.6B ZD504 RLZ5.6B R505 R507 R508 R509 2470R 11 3 19 22 DATA0+ DATA0DATA1+ DATA1DATA2+ DATA2- 18 17 10 9 2 1 13 12 5 4 21 20 23 24 RLZ5.6B ZD509 RLZ5.
R403 390OHM1/16W 44 65 C426 0.1UF 16V 64 10K 1/16W 5% WP R408 R454 SCK 22R SDI 8 7 6 5 VCC CS HOLD SO SCK WP SI GND 1 2 3 4 SDO CSZ SCK SDI CSZ SDO WP 76 77 78 79 GPIO_P05 GPIO_P17 REXT GPIO_P23/PWM1 GPIO_P25/PWM3 R409 10K 1/16W 5% R411 0R05 1/16W 26 NC/1M OHM1/16W R412 0R05 1/16W 25 C405 C406 C407 C408 0.1UF 16V 0.1UF 16V 0.1UF 16V 10uF 16V C404 0.1UF 16V C410 10uF 16V C409 0.1UF 16V C403 10uF 16V C402 0.1UF 16V C419 0.1UF 16V C418 0.1UF 16V C417 0.
CN452 PA[0..9] PA[0..9] PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 PA8 PA9 PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 PB[0..9] PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PB8 PB9 5 5 SCL_PANEL SDA_PANEL VLCD R453 R452 C451 PB[0..9] PB3 PB2 PB1 PB0 PA9 PA8 300 OHM 300 OHM 100UF16V 5 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 T P V ( Top 絬隔瓜絪腹 Victory Electronics Key Component G4997-M0D-000-0040 Panel Interf ace Date Tuesday , May 31, 2011 Co . , Ltd. ) + 0.
AGND 120OHM 1 AGND 88G 30214K --> 88G 30214KD1C FB606 1 ROUTN C613 C612 2120OHM C611 FB604 1 From AMP out (negative) 4 3 2 1 CONN 220pF 50V ROUTP From AMP out (passitive) 220UF 16V HP_ROUT CN606 OUT-L+ OUT-LOUT-R+ OUT-RC610 2120OHM 220pF 50V FB603 1 220pF 50V LOUTN 220pF 50V R607 75R 1/10W 5%C606 HP_OUTR1 220UF 16V HP_LOUT SE NC/220pF 50V C609 R605 75R 1/10W 5% C605 R606 100K 1/10W To Speaker NC/220pF 50V C602 From AMP out (negative) HP_OUTL1 R610 PHONEJACK AGND R602 R62
Power Board GL2450HM//GL2450HE 715G5000P01000003H ! R929 100 OHM 1/4W 1 BD901 GBL408 L905 1.
D802 +16V L802 SB5150-E 1 47UH + C805 R805 1K 1/10W DIM C810 0.1uF 50V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 68NF 10% 50V R807 100KOHM +-1% 1/8W R808 1KOHM +-5% 1/4W U801 MP3389EY R809 20K 1/10W C809 R811 NC NC NC VIN VFAULT VCC GATE COMP PGND EN ISENSE DBRT OVP GND LED1 OSC LED2 ISET LED3 BOSC LED4 LED12 LED5 LED11 LED6 LED10 LED7 LED9 LED8 330K 1% 1/8W R814 30K 1% 1/10W R815 30K 1% 1/10W E-Pad ON/OFF C812 220N 50V C8030.47UF 50V 29 C801 NC 3.
G2450HM 715G5000P01001003H ! R929 100 OHM 1/4W 1 BD901 GBL408 L905 1.
R817 +16V ZD803 RLZ5.6B 2 2 R802 R816 4 3 2 1 2.2 OHM 1/4W +5Vi R804 5K1 1/8W 5% 5 6 7 8 APM4548AK C803 C815 0.1uF/50V 0.1uF C802 47NF/50V C801 47NF/50V R801 10K 1/8W 5% R812 3N3 50V C807 R808 390R 1% R806 100K 1/10W 5% C818 2.2UF 16V R815 C812 C806 NC NC 2.2UF 16V C805 0.
Key Board 715G5048K01000004I LED_RED# 4 2 LED_GRN# 1 CN001 CONN 3 LED001 LED 8 R008 9K1 1/8W 1% R003 R002 1K 1/8W 1% 3K 1/8W +/-1% R007 0R05OHM1/8W R004 R005 1K 1/8W 1% 3K 1/8W +/-1% 2 2 LBADC1 LBADC2 DC_POWERON LED_GRN# LED_RED# ZD008 NC/UDZSNP5.6B NC/UDZSNP5.
Troubleshooting Frequently asked questions (FAQ) The image is blurred: Read the instructions on the link "Adjusting the Screen Resolution" on the CD, and then select the correct resolution, refresh rate and make adjustments based on these instructions. How do you use a VGA extension cable? Remove the extension cable for the test.
Is the prompt on the display illuminated in orange? If the LED is illuminated in orange, the power management mode is active. Press any button on the computer keyboard or move the mouse. If that does not help, check the signal cable connectors. If any pin is bent or broken off, please contact your dealer to get necessary support. Is the prompt on the display not illuminated at all? Check the power supply mains socket, the external power supply and the mains switch.
No Power No power NG Check power cable is tightened? Re-plug the power cable OK NG Check Power “On/Off” Turn on the Power “On/Off” switch is “On”? OK NG Check the LED Check the AC po indicates is OK? OK Replace the power board NG Replace main board and check connections NG Replace key board and check connections 87
No Video (Power LED Green) No Video (Power LED Green) NG Press the power Replace the main board button is OK? OK OK Replace the power The end board NG OK Replace the main The end board and connection NG OK Check the LVDS/FFC Replace the LVDS/FFC cable or panel cable or panel NG Replace the key board 88
DIM DIM (image overlap, focus or flicker) OK Reset in factory mode The end NG OK Set to the optimal frequency, select the recommended frequency The end NG OK Readjust the phase and pixel The end clock in the user mode NG OK Pull out signal cable and check “Self Test Feature Check” is ok? Check the signal cable and the PC NG NG OK Replace the main board The end NG Replace the panel OK 89
Color is not optimal Color is not optimal Color shift Miss color Reset the factory mode Replace the signal cable NG OK NG In the user mode, set the” color The end settings” until customer satisfy Pull out the signal cable and check the screen color display is normal? NG OK NG Replace the signal cable or PC Replace the main board 90
PCB LAYOUT Main Board 715G4997M0E000004L 91
Power Board GL2450HM//GL2450HE 715G5000P01000003H 93
G2450HM 715G5000P01001003H 95
Key Board 715G5048K01000004I 98
Appendix 1 – Screw List / Torque Part No. Type Description Quantity Torque 0D1G1030 6120 D3*6 POWER BOARD & MAINFRAME 2 6 ± 1kgf.cm 0M1G1740 8120 M4*8 POWER BOARD & MAINFRAME 1 6 ± 1kgf.cm 0D1G1030 6120 D3*6 MAIN/POWER BOARD & MAINFRAME 4 6 ± 1kgf.
