1. Manuals
  2. Brands
  3. LG Manuals
  4. LCD TV
  5. 17LX1R
  6. Service manual

LG 17LX1R Service Manual

Lcd tv
Hide thumbs Also See for 17LX1R:
Table of Contents

Advertisement

Quick Links

See also: Owner's Manual
LCD TV

SERVICE MANUAL

CHASSIS : ML-041B
FACTORY MODEL : 17LX1R-MB
MODEL : 17LX1R
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

Advertisement

Table of Contents
loading

Related Manuals for LG 17LX1R

Summary of Contents for LG 17LX1R

  • Page 1: Service Manual

    LCD TV SERVICE MANUAL CHASSIS : ML-041B FACTORY MODEL : 17LX1R-MB MODEL : 17LX1R CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    CONTENTS CONTENTS ....................2 PRODUCT SAFETY ..................3 SPECIFICATION ..................6 TIMING CHART ..................10 ADJUSTMENT INSTRUCTION..............11 SVC REMOCON ..................12 TROUBLE SHOOTING ................13 BLOCK DIAGRAM...................18 WIRING DIAGRAM ..................20 EXPLODED VIEW .................. 21 EXPLODED VIEW PARTS LIST ..............22 REPLACEMENT PARTS LIST ............... 23 SVC. SHEET ....................- 2 -...

  • Page 3: Product Safety

    SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.

  • Page 4: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service unit under test. manual and its supplements and addenda, read and follow the 2. After removing an electrical assembly equipped with ES SAFETY PRECAUTIONS on page 3 of this publication. devices, place the assembly on a conductive surface such as NOTE: If unforeseen circumstances create conflict between the aluminum foil, to prevent electrostatic charge buildup or...
  • Page 5 IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through Circuit Board Foil Repair which the IC leads are inserted and then bent flat against the Excessive heat applied to the copper foil of any printed circuit circuit foil. When holes are the slotted type, the following technique board will weaken the adhesive that bonds the foil to the circuit should be used to remove and replace the IC.

  • Page 6: Specification

    SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. 1. Application range This specification is applied to ML-041B chassis. 2. Requirement for Test Testing for standard of each part must be followed in below condition. (1) Temperature : 25°C ±...

  • Page 7: Contents

    DW(Double Window) Mode MW(Multi Window) Mode Film Mode Noise Reduction Progressive Scan Motion Detection SRS WOW wivel Speaker Ez-pip DCDI HDCP LIGHTING LOGO OLNY 17LX1R 4. Mechanical specification Item Content Remark Width (W) Length (D) Height (H) Product Before Packing 553.5 365.7...
  • Page 8 5.Engineering Specification 5-1.General Specification(TV) ITEM CONTENTS REMARK ENERGE SYNC(V/H) VIDEO POWER CONSUMPTION LED COLOR ≤65W Normal On/On Active Green ≤1W(110 V) Stand By, Off/On ≤2W Cut-off Switch off PBP SWAP ON/OFF ITEM Specification Remark D-SUB 1 : RED 2 : Green Pin configuration 3 : Blue 4 : ID2 (GND)

  • Page 9: Specification

    6. Signal Timing(Resolution) 6-1. PC Mode [Table 7] Timming chart of Receivable Mode * H [dot] / V [line] Mode VGA-60 VGA-67 VGA-75 SVGA-56 SVGA-60 SVGA-72 SVGA-75 XGA-60 XGA-70 XGA-75 WXGA-60 H_display 1024 1024 1024 1280 V_display V frequency H_total 1024 1056 1040...

  • Page 10: Timing Chart

    TIMING CHART VIDEO SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >> Total Period Back Porch Video Active Time Front Porch Sync Duration Sync Mode Resolution Frequency Clock Polarity Sort 31.469 25.175 640x480 –...

  • Page 11: Adjustment Instruction

    For the DDC connect an automation equipment and 2.2.2 Component Mode adjustment data is written on DDC. (Model: Only RT/ RM-17LZ40/50/17LX1R which is possible to input Component signal ) (Refer to Working Order for relative setting up) 2.2.2.1 Adjustment preparation Execution of RF no signal during Heat Run over 2.3.1 EDID DATA...

  • Page 12: Svc Remocon

    SVC REMOCON To turn the TV on or off POWER To turn the TV on automatically if the power is supplied to the TV. (Use the POWER ON POWER key to deactivate): It should be deactivated when delivered. To activate the mute function. MUTE To check TV screen image easily.

  • Page 13: Troubleshooting

    TROUBLESHOOTING No power :[A]Process (LED indicator off) Check short of main B/D Check 15V or 5V or Change Lips Fail of Lips Pass Check Output of Change Q1100 Fail Q1100 Pass Check Output of Change IC1107, IC1104 IC1107, IC104 Fail Pass Change LED Assy Check LED Assy...
  • Page 14 No Raster :[B]Process Check LED Status Repeat A PROCESS on display unit Fail Check L900,L901 Change L900,L901, L902,L903 L902,L903 Fail Pass Check the input/ Change IC901 Output of IC901 Fail Pass Change inverter Check inverter connector or inverter Connector or inverter Fail Pass Change panel link...
  • Page 15 No Raster on Component signal Repeat [A] Process Pass Check the signal of Check JA1200 or L1200, L1202, L1203 RCA CABLE Fail Pass Re-soldering or Check the input/ Change the defect part, Fail output of IC1 Check X11 Re-soldering or Check the input/output Change the defect part Fail...
  • Page 16 No Raster on AV Signal No Raster on TV(RF) signal (Video, S-Video) Check 5V, 33V of TU1000 Repeat Check the output of Re-soldering or [A] Process TU1000 Fail Fail Change the defect part Pass Check the signal of Change L1209, L1210, L1209, L1210, L1212 L1212 Fail...
  • Page 17 No Sound Check the Change source input input source Fail Pass Re-soldering or Check the input/output Change the defect part of IC1 Fail Check X11 Pass Re-soldering or Check the input/output Change the defect part of IC100,IC101 Fail Pass Check the speaker Change speaker Fail Pass...

  • Page 18: Block Diagram

    BLOCK DIAGRAM SIDE_AV POWER - 18 -...
  • Page 19 BLOCK DIAGRAM DESCRIPTION 1. Video Controller Unit & Display Data Conversion Unit The video controller unit receives the video signals inputted through the tuner, AV port (AV1, AV2, S-Video, component), and converts them into an analog RGB signal through the microcomputer (VCTI) combined with the video decoder that integrates various functions in one chip.

  • Page 20: Wiring Diagram

    - 20 -...

  • Page 21: Exploded View

    - 21 -...

  • Page 22: Exploded View Parts List

    LCD(LIQUID CRYSTAL DISPLAY), LC171W03-A4KJ LG PHILPS TFT COLOR LEAD FREE(TV) or 6306V17001B LCD(LIQUID CRYSTAL DISPLAY), LC171W03-A4K4 LG PHILPS TFT COLOR or 6304FLP140B LCD(LIQUID CRYSTAL DISPLAY),LC171W03-A4K7 LG PHILPS TFT COLOR 17.1W,SS D-IC,IMAGE STICKING IMPROVEMENT,450NITS,25MS,6LAMP COST C 3809TKC061S BACK COVER ASSEMBLY, 17LX1R 3808TKC051 ML-041B 3809TKC061T...

  • Page 23: Replacement Parts List

    REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN, CH : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit in the CQ : Polyestor RS : Metal Oxide Film P/No. means as follows; CE : Electrolytic RN : Metal Film CF : Fixed Film RH : CHIP, Metal Glazed(Chip)
  • Page 24 DATE: 2005. 03. 04. DATE: 2005. 03. 04. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C900 0CH3103K516 10000PF 50V 10% B(Y5P) 2012 C1016 0CH5390K416 39PF 50V 5% NP0 2012 R/TP C902 0CH3103K516 10000PF 50V 10% B(Y5P) 2012...
  • Page 25 0LC1032101A 10UH 10% 3216 R/TC FI-C3216- 0LC1032101A 10UH 10% 3216 R/TC FI-C3216- FET & TRANSISTOR IC905 0IZZTSA053A ML-041B WXGA 17LX1R ATMEL 32 0IKE702700D "KIA7027AF 3, SOT-89 TP RESET" IC902 0TF492509AA SI4925DY TP TEMIC 30V 6.1A 0ISA722200A LA7222 (1280 AUDIO) - - - -...
  • Page 26 DATE: 2005. 03. 04. DATE: 2005. 03. 04. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R212 0RH0752D622 75 1/10W 5 D.R/TP R131 0RJ1202D677 12K OHM 1/10 W 5% 1608 R/TP R213 0RH0752D622 75 1/10W 5 D.R/TP...
  • Page 27 R2208 0RN2000F409 200 1/6W 1% TA52 C2303 0CH6471K416 470F 50V J NP0 2012 R/TP SW2200 140-313B TACT 2LEAD 160G(TA) LG C&D N C2306 0CH6391K416 390PF 50V 5% NP0 2012 R/TP SW2201 140-313B TACT 2LEAD 160G(TA) LG C&D N L2303 0LC1032101A...

  • Page 28: Green

    DATE: 2005. 03. 04. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R2306 0RH4703D622 470K 1/10W 5 D.R/TP R2308 0RH5101D622 5.1K 1/10W 5 D.R/TP R2309 0RH5101D622 5.1K 1/10W 5 D.R/TP R2310 0RH0752D622 75 1/10W 5 D.R/TP ZD2306 0DZ620009HB UDZ S 6.2B TP ROHM SOD323 20 IR BOARD C2101 0CH3104K566...
  • Page 29 Date: 2004. 05. 07 P/No.:3854TN1001A...
  • Page 30 Date: 2004. 05. 07 P/No.:3854TN1001A...
  • Page 31 Mar., 2005 P/NO : 3828TSL111D Printed in Korea...

This manual is also suitable for:

17lx1r-mb

Table of Contents