LG 26LC2R Service Manual

LG 26LC2R Manual

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  • LG 26LC2R | Service Manual - Page 1
    website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html LCD TV SERVICE MANUAL CHASSIS : LP61C FACTORY MODEL : 26LC2R-TJ / 32LC2R-TJ MODEL : 26LC2R / 32LC2R CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. R
  • LG 26LC2R | Service Manual - Page 2
    CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 12 TROUBLE SHOOTING 21 BLOCK DIAGRAM 28 WIRING ...30 EXPLODED VIEW 31 REPLACEMENT PARTS LIST 35 SVC. SHEET -2-
  • LG 26LC2R | Service Manual - Page 3
    in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line. Use
  • LG 26LC2R | Service Manual - Page 4
    voltage interlocks with which receivers covered by this service manual might be equipped. 6. Do not apply AC power to this instrument and/or any of its ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with
  • LG 26LC2R | Service Manual - Page 5
    not necessary to reapply acrylic coating to the areas). "Small-Signal" Discrete Transistor Removal/Replacement 1. Remove the defective transistor by Power Output, Transistor Device Removal/Replacement 1. Heat and remove all solder from around the transistor leads. 2. Remove the heat sink mounting
  • LG 26LC2R | Service Manual - Page 6
    % 5. Storage Environment 6. Input Voltage 3) Temp. : -20 ~ 60 deg 4) Humidity : 0 ~ 85 % AC100 ~ 240V, 50/60Hz 7. Power Consumption Power on (White) ≤ max 160W (32") ≤ max 130W (26") St-By (Red) : 1.0 W LCD Remark MAKER : AUO/CMO/LPL LGE SPEC Volume: 1/8 volume of sound distortion point -6-
  • LG 26LC2R | Service Manual - Page 7
    -PC, RGB-DTV HDMI-DTV PC Audio, Component (2EA), AV (2EA) Remark 26/32LC2R-TJ 26/32/37LC2R-CJ 4 System : PAL, SECAM, NTSC, PAL60 4 System : PAL, SECAM, NTSC, PAL60 4 System : S-video Priority PAL, SECAM, NTSC, PAL60 EXCEPT 26/32/37LC2R - CJ (CJ : NO HDMI - Spec. Out) L/R Input 5. Chroma
  • LG 26LC2R | Service Manual - Page 8
    (0.145) 0.064 (0.065) 800 / 1200 / 1000 600 / 1000 800 (1600) 8300 9300 10300 6200 7200 8200 10000 11000 12000 Maker Remark CMO 27" (32") LPL 26" (32") AUO 26"/ 32" / 37" CMO 27" / 32" LPL 26, 32" (with AI) - 85IRE Full White Pattern -8-
  • LG 26LC2R | Service Manual - Page 9
    SDTV 480P SDTV 480P SDTV 576P 50Hz HDTV 720P HDTV 720P HDTV 720P 50Hz HDTV 1080I HDTV 1080I HDTV 1080I 50Hz Remarks 9. HDMI input ( DTV ) No Resolution 1. 720x480 2. 720x480 3. 720x576 4. 720x480 5. 720x480 6. 720x576 7. 1280x720 8. 1280x720 9. 1280x720 10. 1920x1080 11. 1920x1080 12
  • LG 26LC2R | Service Manual - Page 10
    XD Demo Auto Config. Manual Config. XGA Mode ARC Reset Setting System BG Storage from 1 Search To start Storage 1 System BG Band V/UHF Channel 69 Fine / Search / Name _ _ _ _ _ To set -- ----- TBD Dynamic Normal For ZJ Cool For TJ, CJ For MJ Auto Cinema : Off Black
  • LG 26LC2R | Service Manual - Page 11
    Specification 11.1 26LC2R No Item 1. Product Dimension Before Packing After Packing 2. Product Weight Only SET With BOX 11.2 32LC2R No 1. Product Dimension 2. Product Weight Item 22 25.5 Remark Unit mm SET(With Stand) mm Kg Kg Remark Unit mm SET(With Stand) mm Kg Kg - 11 -
  • LG 26LC2R | Service Manual - Page 12
    ADJUSTMENT INSTRUCTION 1. Application Range This spec sheet is applied all of the26/32" LCD TV, LP61A/C, LN61A chassis(HURRICANE 3 MIDDLE) by manufacturing LG TV Plant all over the world. 2. Specification 2.1 Because this is not a hot chassis, it is not necessary to use an isolation transformer.
  • LG 26LC2R | Service Manual - Page 13
    low, then "edit" window will be opened (6) Click the choice button in the "edit window", then "file choice window" will be opened (1) Connect the download jig to D-sub jack (2) Execute 'Download.vi2c' program in PC, then a main window will be opened (7)Choose the Hex file in folder and execute
  • LG 26LC2R | Service Manual - Page 14
    (8) Click OK button at the "edit window" (2) Supply the power (Stand-by 5V) and wait for 3 seconds. (9) Under Downloading process (10) If download is failed, for example "No acknowledge from slave". Execute download again from(1) (3) Push the S/W off (Disconnect SCL to GND using switch at jig)
  • LG 26LC2R | Service Manual - Page 15
    slave", execute download again from (1) 4.1.2.2 Download method 3 (SET) (1) Push the "Tilt" button in an Adjust Remocon Then the LCD TV will change a "slave mode" (9) Choose the Hex file in folder and execute downloading with click "open button" (2) Connect Zig to TV using a D-sub cable - 15 -
  • LG 26LC2R | Service Manual - Page 16
    file choice window' will be opened Double click (4) Click "GO" button If you don't push the "go", the Hex file would not be downloaded although the download proceeds normally at first glance (5) Double click the blue box and confirm "Bootloader Version" as 40. (9) Choose the Hex file in folder and
  • LG 26LC2R | Service Manual - Page 17
    RF signal ZJ, TJ, CJ : PAL Philips Pattern (with Color Bar) MJ : NTSC Digital Pattern (with Color Bar) (3) Push the button change and select the Channel memory data (4) Check the communication is OK or not. => Push the Read area (Ackn. Check) and check Cyan area is OK message. (5) Push the Update
  • LG 26LC2R | Service Manual - Page 18
    1) Select RF no signal by pressing "POWER ON" key on remote control for adjustment then operate heat run more than 15 minutes. 2) As below Fig. 7, Supply 216Level (85 IRE) Gray pattern to Video input. 26/32LC2R-ZJ : AV3 or AV4(Input 50Hz) 26/32LC2R-TJ : AV1or AV2(Input 50Hz), 26/32/37LC2R-CJ : AV1
  • LG 26LC2R | Service Manual - Page 19
    Lock Set ID XD Demo Auto config. Manual config. XGA/VGA mode ARC PFP Transparency Reset Off 30 TV Pr 01 Off 16 : 9 Condition None Dynamic 100 50 50 50 Normal Auto Flat Off Off 0 50 50 On --:-Off Off Off English Off 1 To start Variable by each mode Remark User control Area management - 19 -
  • LG 26LC2R | Service Manual - Page 20
    after manufacturing the TV set. To halt the main screen in the normal mode, or the sub screen at the PIP screen. Used as a hold key in the teletext mode (Page updating is stopped.) 31 TIME Displays the teletext time in the normal mode Enables to select the sub code in the teletext mode 32 SIZE
  • LG 26LC2R | Service Manual - Page 21
    Is connect the PSU and Main board with 13P cable ? Yes After remove the cable connect to PSU (except the EL11 connection cable), authorizes the AC voltage marking on manual. When ST-BY 5V does not operate, replace PSU. No Plug in a power cord No Connect a cable No Exchange the Fuse No Connect a 13p
  • LG 26LC2R | Service Manual - Page 22
    board through a Back cover. If LED is off, a discharge is finished) Then plug in the power cord again. Has it still a problem? Yes Is connect the IR board, Local key, and main board with 10p and 4pin cable? Yes Is normal the IR board and Local key? Yes Is normal the Main board
  • LG 26LC2R | Service Manual - Page 23
    3. Protect mode (1) Symptom 1) After once shining, it does not discharge minutely from module 2) The Rely falls down (The sound is audible "click") 3) The front LED turn Green to Red (2) Check process Is normal PSU? Yes Is normal cables? Yes Is normal Main B/D? No Does the Low/High voltage
  • LG 26LC2R | Service Manual - Page 24
    little (2) Check process Is normal PSU? No Does the Low/High voltage operate normally? Yes Is normal cables? No Do cable connect well each wafer? Yes Is normal Main B/D? No Disconnecting cable(P301, P900, P1001) at main B/D, are Voltages normal? No Exchange the PSU No Exchange the
  • LG 26LC2R | Service Manual - Page 25
    output (2) Check process 1) Speaker part Yes Are Speaker Cables Good? No Are Speaker Cables connect normally? No Exchange the cable Insert the cable exactly Yes Are Speaker units good? 2) Main board part Is sound at HDMI No Good? Is EDID download Yes Is IC401 good? good? (AD9381) No No
  • LG 26LC2R | Service Manual - Page 26
    (1) Symptom 1) Display the screen abnormally at specific mode (2) Check process 1) Noise appears at RF mode. No Is the Tuner part good? Is the Tuner cable connected well? No Yes Are input voltage, I2C, and CVBS output good? No Yes Insert the cable exactly Exchange the Tuner No Is Gaskets
  • LG 26LC2R | Service Manual - Page 27
    Insert the LVDS cable exactly If it dead or short, exchange this elements 3) RGB/HDMI-mode doesn' Exchange the VCT-P IC Is the LVDS cable Yes connected? Yes (only _ HDMI) No Is VCT-P IC good? No Insert the LVDS cable exactly If it dead or short, exchange this elements Download the EDID data
  • LG 26LC2R | Service Manual - Page 28
    TV_LV/R out MNT_V/L/R out TV_L/R MNT_L/R H/P_L/R SPK_L/R HDMI P600(LPL) LVDS_JAE P601(PDP) JAE STRAIGHT P602(CMO) LVDS_JAE OUT BECAW-L-WO) H/P 12S 12S IC800 AUDIO SWITCH TEA STM R/G/B/FB V/L/R in V/L/R in Y/C SC 1/2_L/R COMP2_L/R PC_A_L/R SIDE_L/R TJ/MJ COMP 2 Y,PB,PR COMP2 L/R REAR
  • LG 26LC2R | Service Manual - Page 29
    - 29 - CABLE IR RS232 RGB (PC/DTV) PC_Audio RF MNT_OUT S-AV AV COMP 1 RT COMP 2 SCART 1 RZ SCART 2 HDMI (PC/DTV) Variable Audio_out TX IR Tx 0/1 Rx 0/1 ST3232C TXD/RXD SCL/SDA 24C02 COMP1_Y/Pb/Pr VGA_RGB COMP2_Y/Pb/Pr VGA_HS/VS HDMI_HS/VS
  • LG 26LC2R | Service Manual - Page 30
    WIRING 13P 10P 13P 10P 14P 12P - 30 - 12P 14P PSU Inverter Local Key 4P SPK(R) 10P 4P IR B/D 2P AC-inlet T-con 30P 30P 10P 4P 3P Main B/D SPK(L)
  • LG 26LC2R | Service Manual - Page 31
    EXPLODED VIEW (26LC2R) - 31 - 010 020 050 120 110 060 080 090 070 130 030 100 140 150 040
  • LG 26LC2R | Service Manual - Page 32
    PAKING LP61C 26LC2R TJ SIDE AV SKD 080 6709900016A Power Supply Assembly, FREE H3/E2 LCD MODEL LCD LG ELECTRONICS LB LC 090 33139L2017A Main Total Assembly, 26LC2R(AUO) BRAND LC61A -DMS 33139L2017C Main Total Assembly, 26LC2R(AUO) BRAND LC61C for China Language support 100 49519S0030B Plate
  • LG 26LC2R | Service Manual - Page 33
    - 33 - EXPLODED VIEW(32LC2R) 010 020 050 100 070 080 090 060 110 120 060 130 140 030 150 040
  • LG 26LC2R | Service Manual - Page 34
    CSA/SEMKO YY / AT / H&E or 6709900016A Power Supply Assembly, FREE H3/E2 LCD MODEL LCD LG ELECTRONICS LB LC 090 33139L3028A Main Total Assembly, , 32LC2R-TJ H3-M 110 49509K0195A Plate, CASTING AL FRAME SUPPORT 32LC2 120 68719ST934A PCB Assembly,Sub, SUB T.T LP61A 26LC2R ZJ LOCAL EBR30372601
  • LG 26LC2R | Service Manual - Page 35
    22uF 20% 16 0CE226WF6DC MVK5.0TP16VC22M 22uF 20% 16 0CE226WF6DC MVK5.0TP16VC22M 22uF 20% 16 *S *AL LOC. NO. PART NO. DATE: 2006. 03. 25. DESCRIPTION / SPECIFICATION C719 C727 C733 C743 C744 C756 C757 C758 C759 C760 C761 C762 C763 C800 C802 C828 C860 C861 C863 C868 C869 C912 C917 C922 C931
  • LG 26LC2R | Service Manual - Page 36
    100nF 10% 50 0603B104K500CT 100nF 10% 50 0603B104K500CT 100nF 10% 50 0603B104K500CT 100nF 10% 50 *S *AL LOC. NO. PART NO. DATE: 2006. 03. 25. DESCRIPTION / SPECIFICATION C506 C507 C508 C509 C511 C512 C514 C515 C516 C517 C518 C520 C521 C524 C638 C643 C645 C649 C652 C662 C663 C664 C665 C666 C687
  • LG 26LC2R | Service Manual - Page 37
    100nF 10% 50 0603B104K500CT 100nF 10% 50 0603B104K500CT 100nF 10% 50 0603B104K500CT 100nF 10% 50 *S *AL LOC. NO. PART NO. DATE: 2006. 03. 25. DESCRIPTION / SPECIFICATION C618 C619 C620 C621 C622 C623 C624 C625 C626 C627 C628 C630 C631 C632 C633 C634 C635 C636 C647 C648 C650 C651 C653 C654 C655
  • LG 26LC2R | Service Manual - Page 38
    LN-15A1 26uH - - 12X9MM LEA HH-1M3216-501JT 500OHM 3.2X HH-1M3216-501JT 500OHM 3.2X *S *AL LOC. NO. PART NO. DATE: 2006. 03. 25. DESCRIPTION / SPECIFICATION L1002 L1007 L1008 L1010 L1011 L1012 L1015 L1017 L1018 L112 L113 L114 L115 L300 L301 L303 L305 L401 L402 L500 L501 L502 L806 L904 L913
  • LG 26LC2R | Service Manual - Page 39
    10W MCR03EZPJ000 0OHM 5% 1/10W MCR03EZPJ750 75OHM 5% 1/10W MCR03EZPJ201 200OHM 5% 1/10 MCR03EZPJ224 220KOHM 5% 1/1 *S *AL LOC. NO. PART NO. DATE: 2006. 03. 25. DESCRIPTION / SPECIFICATION R175 R176 R177 R178 R179 R180 R181 R182 R183 R184 R185 R186 R187 R188 R189 R190 R191 R192 R193 R194 R195 R196
  • LG 26LC2R | Service Manual - Page 40
    MCR03EZPJ102 1KOHM 5% 1/10W MCR03EZPJ102 1KOHM 5% 1/10W MCR03EZPJ102 1KOHM 5% 1/10W MCR03EZPJ102 1KOHM 5% 1/10W *S *AL LOC. NO. PART NO. DATE: 2006. 03. 25. DESCRIPTION / SPECIFICATION R769 R771 R776 R781 R782 R783 R784 R800 R801 R802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R812 R813 R816
  • LG 26LC2R | Service Manual - Page 41
    MCR03EZPJ220 22OHM 5% 1/10W MCR03EZPJ103 10KOHM 5% 1/10 MCR03EZPJ103 10KOHM 5% 1/10 MCR03EZPJ152 1.5KOHM 5% 1/1 *S *AL LOC. NO. PART NO. DATE: 2006. 03. 25. DESCRIPTION / SPECIFICATION R519 R520 R528 R534 R535 R536 R600 R601 R615 R616 R617 R620 R621 R627 R628 R629 R630 R631 R632 R633 R634 R635
  • LG 26LC2R | Service Manual - Page 42
    . 25. DESCRIPTION / SPECIFICATION X600 X600 D1004 D750 SW501 6202VDT002P 6202VDT002E 0DL233309AC 0DL233309AC 6600VR1004A HC-49/SM 20.25000MHZ 20.25M-26LC2R SX-1 20.25MHZ 20.25MHZ 30PP-32LC2R SAM2333 RED/Y-GREEN 2.7V 2. SAM2333 RED/Y-GREEN 2.7V 2. SKHMPWE010 1C1P 12VDC 0.05A CONTROL BOARD SW101
  • LG 26LC2R | Service Manual - Page 43
  • LG 26LC2R | Service Manual - Page 44
  • LG 26LC2R | Service Manual - Page 45
    P/NO : MFL30105597 Jun., 2006 Printed in Korea
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R
LCD TV
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : LP61C
FACTORY MODEL : 26LC2R-TJ / 32LC2R-TJ
MODEL : 26LC2R / 32LC2R