TFT-LCD MONITOR Chassis Model AS15SO LS15E33C AS17SO LS17E34C 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. Block Diagram 9.
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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...
A substitute replacement that does not have the same safety characteristics as the recommended replacement part might create shock, fire and/or other hazards. Product safety is under review continuously and new instructions are issued whenever appropriate. LS15E33C/LS17E34C...
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Use only an anti-static solder removal device. Some brushing clothes together, or lifting your foot from solder removal devices not classified as “anti-static” a carpeted floor can generate enough static can generate electrical charges sufficient to damage electricity to damage an ESD. ESDs. LS15E33C/LS17E34C...
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GND-Green GND-Blue GND-Blue GND-Blue No Connection No Connection Not Used GND-Sync./Self Test GND-Sync./Self Test GND-Sync./Self Test DDC Data DDC Data DDC Data Horizontal sync. H/V-Sync. Not Used Vertical sync. Not Used Not Used DDC Clock DDC Clock DDC Clock LS15E33C/LS17E34C...
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B : Horizontal sync width O : Frame time total P : Vertical sync width C : Back porch D : Active time Q : Back porch R : Active time E : Front porch S : Front porch 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.
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TV and pull the rear cover by pressing a hand. 2. Remove power cable on the hand and signal cable on the driver. 3. Remove 2 screws on the rear cover and remove the rear cover by using opening jig. LS15E33C/LS17E34C...
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6. Remove 6 screws from the shield. (see illustrations) 7. Remove IR PCB cable from the shield and lift up the shield. (see illustrations) 8. Remove LVDS cable from the main shield and lift up the panel. (see illustrations) 9. Remove the panel. LS15E33C/LS17E34C...
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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...
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3. PC Auto Color : Used to adjust PC image color. 4. Reset : Used after all adjustments. 5. Other functions shown are not service related. 4-2-3 Adjustment Sequence for ROM change only EEPROM Clear TV auto color PC auto color RESET (For ROM change only) LS15E33C/LS17E34C...
Does proper DC 14V appear at Check IC11. Pin 1 of IC11? Does proper DC 3.3 V appear at Check IC14. Pin 3 of IC14? Does proper DC 2.5 V appear at Check IC109 and IC17. Pin 4 of IC109 and IC17? Check IC23. LS15E33C/LS17E34C...
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Does the clock pulse appear at output of <RA35~RA39, RA310>15” Check related circuit of IC32. <RA35~RA39, RA310, RA313~318>17”? Does the clock pulse appear at output of <R611~R620>15” Check related circuit of IC61, IC62. <R611~R620, R61~R69, R610>17”? Replace LCD panel. LS15E33C/LS17E34C...
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Check IC401 (VSP9407) appear at RA33, RA34? and related circuit. Does signal appear at <RA35~RA39, RA310>15” Check IC32 and related circuit. <RA35~RA39, RA310, RA313~RA318>17” of related IC32? Check IC61, 62 and <R611, 612, ~R620>15” <R611, 612, ~R620, R61~R69, R610>17”. LS15E33C/LS17E34C...
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Pin 53,54(component) of CN25(component connector). IC53 (MSP3411G)? Does the signal appear at Pin 27, Check IC32 and related circuit. 28 of IC53 (MSP3411G)? Does the signal appear Check IC55 (Audio amp) and related circuit. at L53~L56? Replace the speaker. LS15E33C/LS17E34C...
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6 Exploded View and Parts List You can search for updated part codes through CMS web site. URL : http://ecms. samsungelectronics. com/ 6-1 LS15E33C LS15E33C/LS17E34C...
SPK OUT R + CN53 SPK OUT -R- CN13 SPK OUT L + CN52 SPK OUT L- AUDIO R IN LED_GRN AUDIO L IN LED_RED CN22 VCR CVB S IRRCVR CN26 HP-R HP-L MODE CN12 CN11 CN51 CN24 CN25 LS15E33C/LS17E34C...
11 Schematic Diagrams This Document can not be used without Samsung’s authorization. 11-1 Power Ares_ASIA Part Schematic Diagram +5V_CPU IS ALWAYS ACTIVE +3.3V_JAG IS ALWAYS ACTIVE +2.5V_A_JAG & +2.5V_D_JAG IS ALWAYS ACTIVE +5V_CPU +14V_IN +14V_IN +5V_CPU +2.5V_A_JAG +5V_CPU +2.5V_D_JAG CN12...
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11 Schematic Diagrams This Document can not be used without Samsung’s authorization. 11-5 Audio Part Schematic Diagram +14V_OUT +8V_AUDIO QSS_IF IC52 +12V_AUDIO BA178M08FP C538 C528 100nF 10uF R547 100nF C558 150nF C5244 C521 C522 C527 10uF 3.3uF 56PF 100nF C562...
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11 Schematic Diagrams This Document can not be used without Samsung’s authorization. 11-6 LVDS & RAM Ares_ASIA Part Schematic Diagram +3.3V_JAG +3.3V_PANEL R640 CN61 slcon22p_1 FT64 TP188 BLM41P600S TP189 TP190 TP191 Tx0- Tx0+ C617 C618 C619 C620 C621 C622 C611...
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11 Schematic Diagrams This Document can not be used without Samsung’s authorization. 11-7 Function Part Schematic Diagram Bottom Only CN101 slcon10p POWER VIDEO VOL- VOL+ MENU 11-12 LS15E33C/LS17E34C...
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