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SERVICE MANUAL CODE : 00Z LLT15S3SME LCD MONITOR LL-T15S3 MODEL CONTENTS CHAPTER 1. OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION ....1 - 1 CHAPTER 2.
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• If the monitor is not receiving any signal (synch signal), [NO SIGNAL] 338 (W) x 145 (D) x 313 (H) mm will appear. • Weight Approx. 3.9kg (approx. 3.3kg excluding stand) (Excluding analog signal cable.) LL-T15S3 OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION 1 – 1...
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11. Headphone terminal: Headphones (commercially available) can be connected here. 12. Ventilation openings: Note: Never block the ventilation openings as this may lead to overheating inside the monitor and result in malfunction. LL-T15S3 OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION 1 – 2...
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2. Press down on the stand and gently fold back the monitor. • Raise the display section until it stops. (when titled forward approx. 5°) 2. Adjust to an easy to view angle. LL-T15S3 OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION 1 – 3...
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• Depending on the computer or OS, it may be necessary to use the Audio cable computer to install monitor set-up information. If so, follow the steps below to install the monitor set-up information. LL-T15S3 CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 1...
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Using different screws could lead to a malfunction. 4. Follow instruction no.6 to attach the arm to the monitor, then con- nect the analog signal cable, the audio cable and the power cord. LL-T15S3 CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 2...
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Pink 3 Red When the test is terminate, Power off <VERSION & CHECK SUM> AGING TEST VERSION : 1.01 (200XXXXX) > : SET CHECK SUM : OK XXXX MENU : END LL-T15S3 CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 3...
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VIVID: Displays an image with dynamic and VIVID pri- mary colors. Volume: 0~100 Adjusting the backlight and speaker volume Bright: 0~31 POWER OFF LL-T15S3 CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 4...
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2) Remove the screws B, and then remove the frame 2 from the LCD module 3. 3. REMOVING POWER SUPPLY/INVERTER BOARD AND MAIN BOARD 1) Remove the hex. screws A and screws B, and then remove the shield. LL-T15S3 DISASSEMBLY AND ASSEMBLY 3 – 1...
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* Check the path between P5 and U6. * Check the cable for disconnection. Replace LCD module lamp with a new one. Replace any defective unit. [ 1) Power supply PWB, 2) Main PWB, 3) Switch PWB ] with a new one. LL-T15S3 TROUBLESHOOTING 4 – 1...
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CONT is changed after H-POS 1) Check if module control signal is output (U1). or V-POS is set? 2) Check if VLCD voltage is output normally. Switch PWB defective LCD panel defective. Main PWB defective. LL-T15S3 TROUBLESHOOTING 4 – 2...
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Ground Digital ground 075 DIBVSS Ground Digital Input Buffer Ground 035 DTEST Digital test output 076 DISP_DE Display Enable 036 VCCD Power Digital power 077 DISP_VSYNC Display Vertical Sync 037 DGND Ground Digital ground LL-T15S3 APPENDIX : IC DESCRIPTION 6 – 2...
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Display Port B Green Output Bit 2 124 GRN_OUTB_3 Display Port B Green Output Bit 3 125 DOBVDD Power Digital Output Buffer Power 126 GRN_OUTB_4 Display Port B Green Output Bit 4 LL-T15S3 APPENDIX : IC DESCRIPTION 6 – 3...
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YUV/ COMPOSITE CAP_VS Panel TVCLK VSYNC HSYNC/XSYNC VDD Control Power- VBL Control Switching Control VEE Control OSD-FSW OSD-CLK IRQ# MASCOT DOBVDD Micro-controller DOBVSS with EEPROM OSD-R RESET# OSD-G OSD-B DCVDD OSD-I DCVSS LL-T15S3 APPENDIX : IC DESCRIPTION 6 – 4...