" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set. This document has been published to be used for after sales service only. SHARP CORPORATION The contents are subject to change without notice.
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If a user erroneously allows an overcurrent to flow through an USB device, the PTC101 cuts off the current. When repaired, it returns to normal. Note this operation of the PTC 101 in case of an USB error. LL-T1820-H/B SERVICE PRECAUTION...
Upward 0° - 30° ; downward 0° - 5° Digital signal cable: Approx. 2.0 m • Screen swivel Analogue signal cable: Approx. 2.0 m 90° from left through right USB cable: Approx. 1.8 m LL-T1820-H/B OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION 1 – 1...
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TMDS clock - TMDS data 1+ Analogue red image signal TMDS data 1/3 shield Analogue green image signal N.C. Analogue blue image signal N.C. Analogue horizontally synchronised signal Analogue GND LL-T1820-H/B OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION 1 – 2...
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These buttons are used to adjust backlight brightness . 5. Power button 6. Power LED: This LED is lit green when in use and orange when in power-saving mode. 7. USB port (downstream: 2 ports) LL-T1820-H/B OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION 1 – 3...
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Adjust to an easy to view height. 80mm Note: The orientation of the display can be changed using Pivot Soft- ware. Angle adjustment Adjust to an easy to view angle. LL-T1820-H/B OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION 1 – 4...
If it cannot be turned, rehouse the cable with sufficient slack. (If there is insufficient cable length, rotation will be impossible. Forcing rotation may cause cable disconnection.) LL-T1820-H/B 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. 4. Press the power button, and turn off the monitor power. USB cable This completes setting. LL-T1820-H/B CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 2...
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MS-DOS screen may not be able to display properly. In this case, change the settings so that only the monitor is displaying. LL-T1820-H/B CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 3...
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Using different screws could lead to a malfunction. Caution: Do not disassemble the stand. Parts may spring out and cause injury. LL-T1820-H/B CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 4...
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VERSION 1.00 2001. 12. 10 CHECKSUM BOOT 7) Aging (for service) Power ON INPUT MENU SELECT Green Blue Yellow Purple Light Blue White Black When the test is terminate, Power off. LL-T1820-H/B CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 5...
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ITALIANO, NETHER- Dutch, English, French, German, Spanish, Italian, LAND, SVENSKA Swedish. SELECT Select the item < > 0~31 Adjusting the backlight POWER OFF LL-T1820-H/B CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS 2 – 6...
8) Remove the seven harnesses N. Remove the three screws O and remove the inverter PWB G. 9) Remove the six screws P Q. Remove the angles H, I, J from the LCD unit K. LL-T1820-H/B DISASSEMBLY AND ASSEMBLY 3 – 1...
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9) Remove one screw G and remove the *** G. 10) Remove the three screws H and remove the *** H. 11) Remove the 17 screws and remove the *** I, *** J and *** K. LL-T1820-H/B DISASSEMBLY AND ASSEMBLY 3 – 2...
(Yes) 4th pin of IC602 is in H level (DC+5 V)? (No) Check RESET circuit around IC602. (Yes) C610-side terminal signal of X600 is normal? (No) Check IC601 and clock circuit around X600. (Yes) LL-T1820-H/B TROUBLE SHOOTING 4 – 1...
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PWB unit is about 750 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-T1820-H/B TROUBLE SHOOTING 4 – 2...
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(Yes) Check circuits around IC501. 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 IC300, IC301, and IC401. LL-T1820-H/B TROUBLE SHOOTING 4 – 3...
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17th, 18th, 23rd, and 24th pins) are normal? and digital signal cable. (Yes) IC101 and IC203 signal output (ID0 ID47, (No) Check circuits around IC101 and IC203. HIS, IVS,ICK, IACT) are normal? (Yes) Check circuits around IC501. LL-T1820-H/B TROUBLE SHOOTING 4 – 4...