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DAEWOO ELECTRONICS DSL-15C1T Service Manual

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SERVICE MANUAL

LCD Television
SLV65E
CHASSIS :
Model : DSL-15C1T

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Summary of Contents for DAEWOO ELECTRONICS DSL-15C1T

  • Page 1: Service Manual

    SERVICE MANUAL LCD Television SLV65E CHASSIS : Model : DSL-15C1T...

  • Page 2: Table Of Contents

    SLV65E TFT LCD TV CONTENTS INTRODUCTION .............................5 1.1 Scope ..............................5 1.2 Description ............................5 ELECTRICAL REQUIREMENTS ......................5 2.1 Standard Test Conditions........................5 2.1.1 MEASUREMENT SYSTEMS ..................6 2.2 LCD DISPLAY General Specification ....................6 2.3 LCD Panel Specification ........................7 2.3.1 LCD Panel Model ......................7 2.3.2 Optical Characteristics ....................8 2.4 Input Signals .............................12...
  • Page 3 2.7.3 Quick specification review ....................19 2.7.4 Power Management .......................20 2.7.5 Power Consumption ......................20 2.7.6 Power Connector ......................20 2.8 Plug & Play (EDID) .........................20 2.9 Audio Technical specification ......................21 2.9.1 General Description: ......................21 2.9.2 Electrical characteristics (Tamb=25°) ................21 2.9.3 Speakers .........................21 2.9.4 Headphone output ......................21 MECHANICAL REQUIREMENTS .......................22...
  • Page 4 ± 4.5 Impulse Duration: 50 nS 30% .......................26 4.6 Relation to Power Supply: Asynchronous ..................26 ± 4.7 Burst Duration: 15 ms 20% ......................26 ± 4.8 Burst Period: 300 ms 20% ......................26 4.9 Climatic Conditions ..........................26 4.10 Test Procedure ..........................26 Power Line Surge Test (IEC 61000-4-5 Surge) ..................27 5.1 Climatic Condition ..........................28 5.1.1 Ambient Temperature: 15°C to 35°C ................28...
  • Page 5 QUALITY AND RELIABILITY ......................32 8.1 QUALITY ASSURANCE ........................32 8.2 RELIABILITY ............................32 APPANDIX A: P.C.B.A ASSEMBLY ..................33 10 APPANDIX B: DISPLAY UNIT ASSEMBLY ................ 55...

  • Page 6: Introduction

    1. INTRODUCTION 1.1 Scope This specification defines the requirements for the 15” MICRO-PROCESSOR based Multi- mode supported high resolution color LCD DISPLAY, This LCD DISPLAY can be directly connected to general 15 pin D-sub VGA connector, eliminates the requirement of optional special display card.

  • Page 7: Measurement Systems

    2.1.1 MEASUREMENT SYSTEMS The units of measure stated in this document are listed below: 1 gamma = 1 nano tesla 1 tesla = 10,000 gauss cm = in x 2.54 lb = kg x 2.2 degrees F = [°C x 1.8] + 32 degrees C = [°F - 32]/1.8 u' = 4x/(-2x + 12y + 3) v' = 9y/(-2x + 12y + 3)

  • Page 8: Lcd Panel Specification

    2.3 LCD Panel Specification 2.3.1 LCD Panel Model • Display Type TN active matrix color TFT LCD • Resolution V:768 lines , H:1024 pixels • Display Dot 1024 x (RGB) x 768 • Display Area 304.128mm(H) x 228.096mm(V) • Pixel Pitch 0.297mm(H) x 0.297mm(V) •...

  • Page 9: Optical Characteristics

    2.3.2 Optical Characteristics Item Symbol Condition Min. Typ. Max. Unit Note Contrast (1)(2) Response Rising Tr+Tf time msec (1)(3) Falling White Luminance Cd/m (center of screen) θ=0∘ Φ=0∘ 0.613 0.643 0.673 Normal Viewing 0.305 0.335 0.365 Angle 0.267 0.297 0.327 Color Green chromaticity...
  • Page 10 Note (2) Definition of Contrast Ratio (CR): Measured at the center point of panel Luminance with all pixels white (L63) CR= ——————————————— Luminance with all pixels white (L0)
  • Page 11 Note (3) Definition of Response Time: Sum of T and T Note (4) Optical characteristic measurement setup...
  • Page 12 Note (5) Brightness is measured at the center point of brightness value with all pixels displaying white. 90 % 50 % 10 % 10 % 50 % 90 % Unit: percentage of dimension of display area Note 5: Brightness uniformity of these 9 points is defined as below: (Min.

  • Page 13: Input Signals

    2.4 Input Signals AV1(CVBS,S-VIDEO),AV2(Y,Cb,Cr/Y,PB,PR) INPUTS Composite Type Composite : NTSC/PAL Video Level 0.7Vpp Impedance 75 ohm terminated S-Video Type : NTSC/PAL Level 0.7Vpp Impedance 75 ohm terminated Component Type Y , Cb ,Cr : NTSC/ PAL Y,PB,PR 1080I/720P/480P 60HZ Level 0.7Vpp Impedance 75 ohm terminated...
  • Page 14 Supported Timing FH(KHZ) SYNC TOTAL ACTIVE SYNC FRONT BACK PIXEL FV(HZ) POLARITY (DOT/LINE) (DOT/LINE) WIDTH PORCH PORCH FOREQ.(MHZ) TIMING (DOT/LINE) (DOT/LINE) (DOT/LINE) 640x350 31.469 25.175 VGA-350 70.087 – 640x400 24.83 – 21.05 NEC PC9801 56.42 – 640x400 31.469 – 25.175 VGA-GRAPH 70.087 640x400...

  • Page 15: Support Modes

    2.4.4 Support Modes There will be 16 total support modes to accommodate the above mode and other video modes within the frequency range of the monitor. 2.4.4.1 PC model control function Bright , Contrast , Picture position , OSD position , Auto adjustment , Clock , Phase , OSD Transparence , Language , Color Temperature Graphic/Text select 2.4.5 Video input Connector Analog Video input Connector: 15pins mini D-Sub...

  • Page 16: Standard Accessories

    2.4.6 STANDARD ACCESSORIES ANALOG VGA CABLE Type Worldwide type Length 1.8m + 5cm/-5cm Color black Connectors Monitor -side 15 pin D-Sub Blue compliant with POWER CABLE Type Worldwide type Length 1.8m + 5cm/-5cm Color black Connectors Monitor -side IEC 320 female Mains-side 1.8m + 5cm/-5cm Length...

  • Page 17: Controls

    2.5 CONTROLS Control panel (monitor front panel) 7. Source mode and OSD Menu off function key control. . Power LED, will be green when monitor is on; be amber when in power saving mode. 6. Adjust decrease and volume control. .

  • Page 18: Osd Functions

    2.5.1 OSD Functions • OSD Format: Refer to following figure. • OSD Border: Cyan color • OSD Tunable Item: The 15 icons that around the border. • Selected Item: Yellow background • Comment: Magenta foreground, Blue background page format :Monitor function Description : •...

  • Page 19: White Color Temperature

    User R: Red signal gain by user defined. User G: Green signal gain by user define. User B: Blue signal gain by user defined.  6500: set CIE coordinate at 6500°K color temperature (when use 6500°k color temperature, contrast display cannot change and cannot adjust). ...

  • Page 20: Power Supply: Pk100V0140I Or Pk100V0180I

     User: User R: Red signal gain by user defined. User G: Green signal gain by user define. User B: Blue signal gain by user defined.  6500: set CIE coordinate at 6500°K color temperature (when use 6500°k color temperature, contrast display cannot change and cannot adjust). ...

  • Page 21: Power Management

    2.7.4 Power Management 2.7.4.1 Meet VESA DPMS proposal The monitor must comply with the Microsoft On Now specification, with a minimum of three power management states, as defined by the VESA DPMS document. The front panel of the monitor must appropriately display the DPMS state, For example: DPMS ON : The power LED is Green...

  • Page 22: Audio Technical Specification

    2.9 Audio Technical specification 2.9.1 General Description: Output power : 2.5W + 2.5W maximum Total harmonic distortion : Less than 2 % (except speakers distortion) Input signal sensitivity : 0.5 Vrms for full output Input impedance : 47 Kohm +/- 5 % Frequency response range : 20Hz –...

  • Page 23: Mechanical Requirements

    3. MECHANICAL REQUIREMENTS 3.1 Vibration and Shock All testing shall be done in each of three mutually perpendicular axes, referenced to the position of the system as it is in front of the user (i.e., front-to back, side-to-side, and top-to- bottom).

  • Page 24: Dimension Size And Weight

    3.3 Dimension Size and Weight Dimension size 430(W)×325.5(H)×198(D) 4.0 Kg ± 0.3 Kg Net Weight 5.8 Kg ± 0.3 Kg Gross Weight 3.4 Gap Spec. 3.4.1 The step between front bezel and back cover shall be within specification. Back Cover & Bezel Gap Neck Front &...

  • Page 25: Lcd Horizontally

    0.8 mm ≤ E ≤ 1.2 mm SLV85A-E09 Back Cover & Key Plate 0.6 mm ≤ F ≤ 1.2 mm SLV85A-E10 3.4.2 LCD Horizontally The angle between front bezel and LCD unit in bottom side should be not large than 1.0mm.

  • Page 26: Gap Between Panel With Bezel Is 0.2 Mm < Gap <1.5 Mm

    The distance G-H of the LCD display unit from left side to right should be not large than 4.0 mm. SLV85A-E12 3.4.3 Gap between panel with bezel is 0.2 mm < gap <1.5 mm CM870-E18 3.5 Tilt Base Rotation Tilt up 25:1 / down 5:1 3.6 Plastic Material Front Bezel ABS 94HB, 94V-0 Back Cover ABS 94HB, 94V-0...

  • Page 27: Peak Voltage

    TEST CONDITIONS & PROCEDURE: (Follow IEC 61000-4-4) Test Condition: The condition is base on operating with 50Ω load. 4.1 Peak Voltage 2 KV (applies the Level 3 typical Industrial Environment” of IEC 61000-4-4) 4.2 Polarity : + / - 4.3 Repetition Frequency of the impulse: 5 KHz. ±...

  • Page 28: Power Line Surge Test (Iec 61000-4-5 Surge)

    WAVESHAPE 5. Power Line Surge Test (IEC 61000-4-5 Surge)

  • Page 29: Climatic Condition

    5.1 Climatic Condition The climatic conditions shall be within the following ranges: ° ° 5.1.1 Ambient Temperature: 15 C to 35 5.1.2 Relative Humidity: 10% to 75% 5.1.3 Atmospheric Pressure 86kPa (860 mbar ) to 106kPa (1060mbar) Note: The temperature and relative humidity should be recorded in the test report. 5.2 Test Conditions: 5.2.1 Wave-shape of the current surge: (refer to IEC 61000-4-5) Open circuit voltage:...

  • Page 30: Operating

    6.1 Operating Temperature 5°C ~ 40°C Relative Humidity 20% to 80% Altitude Sea level to 8000ft 6.2 Storage or Shipment Temperature -20°C ~ +60°C Relative Humidity 5% to 85% Altitude Sea level to 40,000ft 6.2.1 TEST PROCEDURE: • Put in temperature chamber under 60°C Time:24 hours •...

  • Page 31: Regulation Compliance

    7. REGULATION COMPLIANCE This product complies with the most current revisions of following regulations: UL/CUL Standard for Safety of Information Technology Equipment including Electrical Business Equipment {UL 60950/ CSA C22.2 NO60950-00} EN 60950/CB Scheme Safety of Information Technology Equipment including Electrical Business Equipment MPR 1990:8 Test methods for visual display units.

  • Page 32: Electrostatics Discharge (Esd)

    7.2 Electrostatics Discharge (ESD) E.S.D Test This test follow the IEC 61000-4-2 Discharge Voltage Level : Criteria Contact Discharge (KV) Air Discharge(KV) Class C ±4 ±4 Class B ±6 ±8 Class A ±8 ±15 Class A : Temporary degradation or loss of function or performance which requires operator Intervention or system reset.

  • Page 33: Quality And Reliability

    Ambient temperature : 15°C to 35°C Relative humidity : 30% to 60% 8. QUALITY AND RELIABILITY 8.1 QUALITY ASSURANCE Unless otherwise specified in this specification or the applicable purchase order, the supplier shall be responsible for maintaining a statistical process program or performing inspections that are sufficient to assure that the parts supplied meet the requirements specified herein.
  • Page 34 Appendix A: PCBA Assembly...
  • Page 47 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 451ADN REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 451ADN30L01 PCBA CTRL/B VTV-L503 SLV65AC 1 431ADN30L01 SMT CTRL/B VTV-L503 SLV65AC - ZZZ 2 BD118P4320I CRYSTAL...
  • Page 48 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 451ADN REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 431ADN30L01 SMT CTRL/B VTV-L503 SLV65AC 1 DA4LV65V003 PCB LV65 VTV-L503 REV0C GP - ZZZ 2 SA00809062I SM IC...
  • Page 49 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 451ADN REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- 32 SD013750ATJ CHIP RES. 1/10W 75 +-5% 0603 - R708 R709 R710 R711 33 SD01412000J S RES 1/10W 120 +-1% 0603...
  • Page 50 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 454AD8 REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 454AD830L01 PCBA KEY/B VTV-K503 SLV65AC 1 DA4LV65V10I PCB LV65 VTV-K503 REV0 GP - ZZZ 2 DC03E00478I WAFER...
  • Page 51 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 454AD9 REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 434AD930L01 SMT IR/B VTV-IR503 SLV65AC 1 DA4LV65V20I PCB LV65 VTV-IR503 REV0 GP - ZZZ 2 SD0131000TJ CHIP RES.
  • Page 52 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 455ADC REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 435ADC30L01 SMT TUNER/B VTV-N503 SLV65AC 1 DA2LV65V10I PCB LV65E VTV-N503E REV0 GP - ZZZ 2 SA01117090I S IC...
  • Page 53 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 455ADD REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 455ADD30L01 PCBA JACK/B VTV-J503 SLV65AC 1 435ADD30L01 SMT JACK/B VTV-J503 SLV65AC - ZZZ 2 DC03E00464I WAFER...
  • Page 54 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 455ADF REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 455ADF30L01 PCBA TUNER/B VTV-N503E SLV65EC 1 435ADF30L01 SMT TUNER/B VTV-N503E SLV65EC - ZZZ 2 CB04703M21I ELE CAP...
  • Page 55 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 455ADF REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 435ADF30L01 SMT TUNER/B VTV-N503E SLV65EC 1 DA2LV65V10I PCB LV65E VTV-N503E REV0 GP - ZZZ 2 SA01117090I S IC...
  • Page 56 Appendix B: DISPLAY UNIT Assembly...
  • Page 60 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 582675 REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- 30 30 L01 L11 REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 58267530L01 DIS UNIT SLV65AC 15"CPT W/O TUNER BOX # 58267530L11 DIS UNIT SLV65EC 15"CPT W/O TUNER BOX...
  • Page 61 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. 6800DK REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- 30 30 L01 L11 REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # 6800DK30L01 PACKING SLV65AC FOR USA # 6800DK30L11 PACKING SLV65EC FOR EUROPE 1 EJ4LV65000I RATING NP...
  • Page 62 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. SLV65A REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # SLV65AC000I SLV65AC ABC MSV16/MBK04 15"CPT W/O TUNER+R 1 DC19001382I CB ASY AW677 AUDIO/2CORE 1.5M BLK-GRN - 301...
  • Page 63 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. X66AWJ REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # X66AWJ30L01 MEC PARTS SLV65AC MSV16/MBK04 1 ECLV151700I CHASSIS LV151(SECC 0.8)(GP) - 001 2 ECLV151500I EMI_SHIELD...
  • Page 64 ==================================================================================================================================== QUANTITY REQUIRED DWG.NO. X66AWK REV. 0A C NO. PART NO. DESCRIPTION SPECIFICATION ------------------ -------------------------------------- REMARKS - ---- ----------- ------------------------ ------------------------------ --- --- --- --- --- ----- ----- ----- ----- ----- ----- # X66AWK30L01 MEC PACKING SLV65AC 1 FJLV151600I EPS FOAM(L) LV1516(GP) - 201 2 FJLV151700I EPS FOAM(R)

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