TFT-LCD TV Chassis Model VE15EO LW15M23C SERVICE Manual TFT-LCD TV 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.
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Samsung Electronics Co.,Ltd. ❈ This Service Manual is a property of Samsung 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Kyungki-Do, Korea, 443-742 Electronics Co., Ltd. Printed in Korea Any unauthorized use of Manual can be punished P/N : BN82-00103M-00 under applicable International and/or domestic law.
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. LW15M23C...
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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. LW15M23C...
– MAX Internal speaker Output : Right => 2.5W Left => 2.5W Sound Characteristic – Headphone Out: 10mW max (3.50 Stereo Jack 32) – Output Frequency : RF => 80 Hz ~ 15 kHz at -3dB A/V => 80 Hz ~ 20 kHz at -3dB LW15M23C...
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2-2-4 D-SUB 2-2-3 A/V Separate RCA Yellow CVBS Audio L Green RCA White Blue GND (DDC Return) Audio R RCA Red GND-Red GND-Green GND-Blue No Connection GND-Sync / Self Test DDC Data H - Sync V - Sync DDC Clock LW15M23C...
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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 LW15M23C...
3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the LW15M23C TFT-LCD monitors. 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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2. Remove 2 screws for the lamp unit. Slide the lamp unit out. 3. Slide the lamp unit out. Please take out the lamp unit from the LCD module. Slide the lamp unit out. LW15M23C...
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3 Disassembly and Reassembly 4. Please fix the new lamp units on the LCD module : opposite process 2 and 3. 3-3 Reassembly Reassembly procedures are in the reverse order of disassembly procedures. LW15M23C...
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3 Disassembly and Reassembly Memo LW15M23C...
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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 transform. LW15M23C...
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7 . A u t o F M 8 . A C C / A C M 9 . G a m m a L U T 1 0 . E S M 11 . S y s t e m LW15M23C...
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L o w e r E n d F r A p p M i d S t a r t E s m C t r l 1 2 7 M i d E n d 1 0 0 LW15M23C...
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- Display the current check sum size of the MICOM. 10. Reset - Initializes the data in the MICOM. 11. T-VNCNEU-0007 2004/03/02 - Display the MICOM program version. 4-2-3 White Balance High 285, 295 285, 295 x, y x, y LW15M23C...
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4 Alignments and Adjustments Memo LW15M23C...
Check IC101 and IC105. appear at FT144? Does proper B3.3V Check IC111. appear at Pin 2 of IC111? Does proper DC B1.8V Check IC112. appear at Pin 4 of IC112? Does proper DC B8V Check IC109. appear at FT130? LW15M23C...
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5 Troubleshooting Does proper DC 5V_P appear Check IC104. at Pin 2 of IC104? Does proper DC 9V_S Check IC110. appear at FT127? Does proper DC B5V Check IC108. appear at FT131? Check IC704 and IC802. LW15M23C...
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5 Troubleshooting 5-2 No Picture (TV, Video, S-Video, DVD) Check C800(TV) Check C822(Video) Check the input signal. Check C824(S-Video) Check C821(SCART)? Check the IC802. WAVEFORMS LW15M23C...
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Does the signal appear at Pin 123, Check IC802. 124 of IC802 (VCTj)? Does the signal appear Check the IC600 (Audio amp) at Pin 2, 5 of Pin 16, 19 IC600? and related circuit of IC600. Replace the speaker. LW15M23C...
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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 LW15M23C...
7 Electrical Parts List ❈ You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ 7-1 Main PCB Parts Level Loc. No. Code No. Description Specification Remarks VE15EO S3-VE15EO SEC,XH-L06 BN94-00527X ASSY PCB MAIN-S3 VE15EO 0204-002420...
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IC803 Fo r VCTIF No n- Flash versio n M27W401 EPROM ADR[ 19;0] DATA[ 7;0] IC600 Main TUNER IF L/ R TDA7266D So und Am p AV CVBS IC802 So und Am p S- VHS Y,C Head p ho ne IC601 L/ R SCART CVBS,RGB...
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MP1410 _TUNER Ad justab le _VCTI IC108 _S3C9428 BA178M08 Po wer Fixed DC14V _VCTI IC109 600m A SI9993ADY MP1410 FT101 Pin 2 Ad justab le IC110 _SOUND AMP IC100 LM1085- 3. 3 _17, 20inc h Panel Fixed (o p tio n) 3.
11 Schematic Diagrams 11 Schematic Diagrams ❈ This Document can not be used without Samsung’s authorization. 11-1 Input Power Sound Schematic Diagram B3.3V IC105 A1.8V A3.3V IC101 AP1117D-18A C111 IC111 AP1117D-33A 100uF AP1117D-33A IN 3 TP127 C163 100nF GND 1...
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11 Schematic Diagrams ❈ This Document can not be used without Samsung’s authorization. 11-3 Output Scaler, LVDS Schematic Diagram A3.3V 3.3V_AVDD C723 C722 C721 C739 C738 C711 C724 C726 C725 C741 C740 C742 C749 C710 C748 C752 FT703 22uF 100nF...
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11 Schematic Diagrams ❈ This Document can not be used without Samsung’s authorization. 11-4 Power Supply, Inverter Board Schematic Diagram R809 3.9ohm 1/2W SVC561D-10A VX802S 11-6 LW15M23C...
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11 Schematic Diagrams ❈ This Document can not be used without Samsung’s authorization. 11-5 Power Supply, Inverter Board Schematic Diagram LW15M23C 11-7...
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11 Schematic Diagrams ❈ This Document can not be used without Samsung’s authorization. 11-6 IR Board Schematic Diagram KEY2 KEY1 HP_R HP_L IDENT_H/P R101 R102 R103 R104 R105 7.5K 3.3K 6.8K 4.7K 1.5K 3.3V_A LED_RED LED_GRN JACK1 SW101 SW102 SW103...