SERVICE MANUAL CODE : 00Z LLT2020SME LCD MONITOR LL-T2020 MODEL CONTENTS CHAPTER 1. OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION ....1 - 1 CHAPTER 2.
• Analog signal cable, NL-C02E (purchased separately): Approx. 2.0m • Screen tilt Upward approx. 0 - 30° ; downward approx. 0 - 5° • 2-input cable, NL-C03J (purchased separately): Approx. 0.25m LL-T2020 OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION 1 – 1...
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11 TMDS data 1/3 shield C2 Analogue green image signal 12 N.C. C3 Analogue blue image signal 13 N.C. C4 Analogue horizontally synchronised signal 14 +5V C5 Analogue GND 15 GND LL-T2020 OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION 1 – 2...
11. Power terminal 12. Main power switch 13. Ventilation openings Note: Never block the ventilation openings as this may lead to overheating inside the monitor and result in malfunction. LL-T2020 OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION 1 – 3...
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To set to long width approx. 45 approx. 5 Gently turn in the counterclockwise direction (to 90°). approx. 45 Note: The orientation of the display can be changed using Pivot Soft- ware. LL-T2020 OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION 1 – 4...
Analog signal cable Analog RGB output terminal • Paying attention to connector direction, firmly insert the signal cable to terminal, and then tighten the screws at both sides. LL-T2020 CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 1...
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• Do not set to [ON] if you are not using a Belkin ADC-DVI adapter, as this may result in incorrect display. AC outlet 4. Press the power button, and turn off the monitor power. Power cord This completes setting. LL-T2020 CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 2...
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(analog) (digital) 2. Press the monitor's POWER button. The power LED will light up orange. INPUT INPUT-2-A INPUT-2-D <ANALOG> <DIGITAL> Note: When there is no input signal, [NO SIGNAL] is displayed. LL-T2020 CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 3...
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Securely grasp both the display and stand, and gently tip over. 6~8mm When the monitor is inclined, the stand may suddenly pop out and cause injury. Screw used to attach arm Part of monitor to which arm is attached LL-T2020 CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 4...
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PIVOT] on the [MODE SELECT-2] menu. 7. Drag the [MacPortrait Install] icon onto the desired disk. Installation will begin. 8. When the message indicating installation is finished is displayed, click on [Restart]. LL-T2020 CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 5...
INPUT-2 (Adjust with MENU MODE SELECT-2 OSD H-POSITION (Adjust with OSD V-POSITION OSD PIVOT (Adjust with MENU MENU (Select with LANGUAGE MENU (Adjust with SCALING (Adjust with 400 LINES (Analog only) LL-T2020 CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 6...
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You can specify the horizontal resolution of a 400-line screen when using US text, etc.( buttons) 640: 640 400 dot mode 720: 720 400 dot mode (US text etc.) Select the item 0~31 Adjusting the backlight POWER ON, OFF LL-T2020 CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 7...
12) Remove the board angles ( 13) Remove the connector from the LCD unit 14) Remove the screw . Remove the key switch angle 15) Remove the key unit and then remove the connector LL-T2020 DISASSEMBLY AND ASSEMBLY 3 – 1...
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11) Remove the screw and then remove the hinge covers ( ) from the hinge unit 12) Remove the screw and then remove the stand base plates ( from the stand cover LL-T2020 DISASSEMBLY AND ASSEMBLY 3 – 2...
CN601, SW PWB and cable. (Yes) 4th pin of IC602 is in H level (DC+5 V)? (No) Check RESET circuit around IC602. (Yes) C610-side terminal signal of X601 is normal? (No) Check IC602 and clock circuit around X601. (Yes) LL-T2020 TROUBLESHOOTING 4 – 1...
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PWB unit is about 790 Vrms? (Use caution not to get electric shock accident. Use (No) Replace inverter PWB unit with a new one. a high-voltage probe (more than 100:1) for measuring voltage.) (Yes) Check lamp inside LCD module. LL-T2020 TROUBLESHOOTING 4 – 2...
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(Yes) Check circuits around IC502. ADJUSTMENT and MODE SELECT are set Adjust according to "screen adjustment LCD screen jitters or flickers? (Yes) (No) properly? procedure". (No) (Yes) Check circuits around IC301, IC302, and IC402. LL-T2020 TROUBLESHOOTING 4 – 3...
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17th, 18th, 23rd, and 24th pins) are normal? and digital signal cable. (Yes) IC102 and IC202 signal output (ID0 ID47, (No) Check circuits around IC102 and IC202. HIS, IVS, ICK, IACT) are normal? (Yes) Check circuits around IC502. LL-T2020 TROUBLESHOOTING 4 – 4...
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