TFT-LCD MONITOR Chassis Model MH15AS SyncMaster 510MP MH17AS SyncMaster 710MP SERVICE Manual TFT-LCD MONITOR CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Alignment & Adjustments 5. Troubleshooting 6. Exploded View & Parts List 7. Electrical Parts List 8.
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Samsung Electronics Co.,Ltd. ❈ This Service Manual is a property of Samsung 416, Maetan-3Dong, Paldal-Gu, Suwon City, Kyungki-Do, Korea, 442-742. Electronics Co., Ltd. Printed in Korea Any unauthorized use of Manual can be punished P/N : BN82-00107F-00 under applicable International and/or domestic law.
1 Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 1-1-1 Warnings For continued safety, do not attempt to modify the (READING SHOULD circuit board. NOT BE ABOVE 0.5mA) Disconnect the AC power and DC Power Jack before servicing.
1 Precautions 1-2 Servicing Precautions WARNING: An electrolytic capacitor installed with the wrong polarity might explode. Caution: Before servicing units covered by this service manual, read and follow the Safety Precautions section of this manual. Note: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety precautions.
2 Product Specifications 2-2 Pin Assignments Sync 15-Pin Signal Cable Connector Type Separate Composite Sync-on-green Pin No. Green Green Green + H/V Sync Blue Blue Blue GND (DDC Return) GND (DDC Return) GND (DDC Return) GND-Red GND-Red GND-Red GND-Green GND-Green GND-Green GND-Blue GND-Blue...
2 Product Specifications 2-3 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals. Table 2-1 Timing Chart Mode VESA VGA2/ VGA3/ 640/75 Hz 640/85 Hz 800/75 Hz 800/85 Hz 1024/60Hz 1024/75Hz...
3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the MH15AS/MH17AS 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.
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3 Disassembly and Reassembly 5. Remove 7 screws from the MAIN board and remove 7 screws from the panel shield. (MH15AS : Remove 6 screws from the MAIN board and remove 6 screws from the panel shield.) 6. Remove the panel and remove 4 screws from the panel.
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3 Disassembly and Reassembly 3. Slide the lamp unit out. Please take out the Slide the lamp unit out. lamp units from the LCD module. Slide the lamp unit out. 4. Please fix the new lamp units on the LCD module : opposite process 2 and 3.
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3 Disassembly and Reassembly Memo MH15AS/MH17AS...
4 Alignments and Adjustments 4-1 General Alignment Instuction 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.
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4 Alignments and Adjustments Memo MH15AS/MH17AS...
5 Troubleshooting 5-1 No Power Does proper DC 14V appear at DC jack connected Check SMPS PCB and adapter. to at Pin 1, 2 of CN101? Does proper DC 5V Check SMPS PCB and adapter. appear at Pin 6, 7 of CN101? Does proper DC 2.5V Check IC104.
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5 Troubleshooting 5-2 No Video (PC Signal) Power indicator is green. Does the signal appear at R110, R111, Check CN100, R106, R107 and R108. C106, C107 and C108? Does the clock pulse Check related circuit of X200, X201. appear at X200, X201? Does the clock pulse appear at Check related circuit of IC201.
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5 Troubleshooting 5-3 No Picture (TV, Video 1, Video 2) Does the signal appear at Check replace the tuner. Pin 1 of CN300? Does the signal appear Check related circuit of IC302. at Pin 14, 16 of IC302? Does the signal appear at Pin 61, Check related circuit of IC300.
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5 Troubleshooting 5-4 No Sound Does the input signal appear at Check related circuit of IC304, IC307. Pin 4, 9 of IC304? Does the low signal at Check related circuit of R386, R389. R386, R389? Does the output signal appear at Check related circuit of IC304.
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6 Exploded View and Parts List ❈ You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ 6-1 MH15AS MH15AS/MH17AS...
7 Electrical Parts List 7 Electrical Parts List You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ 7-1 MH15ASSS/XST Level Loc. No. Code No. Description & Specification Q'ty SA/SNA MH15ASSS/XST 510MP,MH15A,15,LCD-MO,THAILAND M0002 BN90-00556A ASSY COVER REAR;MH15AS S.N.A...