Samsung LS15E33C - LS17E34C free download

File name AS15SO - AS17SO - LS15E - LS17E.pdf

TFT-LCD MONITOR Chassis AS15SO AS17SO Model LS15E33C LS17E34C SERVICE TFT-LCD MONITOR Manual CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Alignment & Adjustments 5. Troubleshooting 6. Exploded View & Parts List 7. Electrical Parts List 8. Block Diagram 9. Wiring Diagram 10. PCB Layout 11. Schematic Diagrams 12. Panel Description This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Paldal-Gu, Suwon City, Kyungki-Do, Korea, 442-742 Printed in Korea P/N : BN82-00098C-00 URL : http://ecms. samsungelectronics. com/ 4 Alignments and Adjustments 4-1 General Alignment Instruction 1. Usually, a color TV-VCR needs only slight touch-up adjustment upon installation. Check the basic characteristics such as height, horizontal and vertical sync. 2. Use the specified test equipment or its equivalent. 3. Correct impedance matching is essential. 4. Avoid overload. Excessive signal from a sweep generator might overload the front-end of the TV. When inserting signal markers, do not allow the marker generator to distort test results. 5. Connect the TV only to an DC power source with voltage and frequency as specified on the backcover nameplate. 6. Do not attempt to connect or disconnect any wire while the TV is turned on. Make sure that the power cord is disconnected before replacing any parts. 7. To protect aganist shock hazard, use an isolation transformer. LS15E33C/LS17E34C 4-1 4 Alignments and Adjustments 4-2 Adjustment Instruction 4-2-1 Service Mode Screen 1. Adjustment RGB Contrast 24 RGB Bright R Gain G Gain B Gain FB Gain 2. Options Help Osd TTX List High D d3 d d d d : on : off : on Channel Table Eeprom Clear 3. Auto Color Auto color (PC) Auto color (TV) 4. Check sum 5. Reset 4-2-2 Service function 1. 2. 3. 4. 5. EEPROM Clear : Initially executed when replacing OTP. TV Auto Color : Used to adjust TV image color. PC Auto Color : Used to adjust PC image color. Reset : Used after all adjustments. Other functions shown are not service related. 4-2-3 Adjustment Sequence for ROM change only EEPROM Clear (For ROM change only) TV auto color PC auto color RESET 4-2 LS15E33C/LS17E34C 3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LS15E33C/LS17E34C monitor. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1 Disassembly Cautions : 1. Disconnect the monitor from the power source before disassembly. 2. Follow these directions carefully; never use metal instruments to pry apart the cabinet. 3. R/Cover opening jig : BH81-00001A 3-1-1 LS15E33C 1. Loacte the monitor on the cushioned table with face down. Remove the stand from LCDTV and pull the rear cover by pressing a hand. 2. Remove power cable on the hand and signal cable