LG 26LK310 Service Manual

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Owner's manual (64 pages)

Table Of Contents

SERVICE MANUAL

CHASSIS : LP91J

MODEL : 26LK310/310Y

MODEL :

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

P/NO : MFL62461531 (1104-REV01)

North/Latin America

Europe/Africa

Asia/Oceania

26LK311

Internal Use Only

http://aic.lgservice.com

http://eic.lgservice.com

http://biz.lgservice.com

26LK310/310Y-TA

26LK311-TB

Printed in Korea

Table of Contents

Summary of Contents for LG 26LK310

Page 1: Service Manual
North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LCD TV SERVICE MANUAL CHASSIS : LP91J MODEL : 26LK310/310Y 26LK310/310Y-TA MODEL : 26LK311 26LK311-TB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL62461531 (1104-REV01) Printed in Korea...
Page 2: Table Of Contents
SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ..............9 TROUBLE SHOOTING ................14 BLOCK DIAGRAM...................17 EXPLODED VIEW .................. 18 SCHEMATIC CIRCUIT DIAGRAM .............. Copyright © 2011 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...
Page 3: Product Safety
An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright © 2011 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
Page 4: Servicing Precautions
Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed to prevent potential shock reasons prior to applying power to the Copyright © 2011 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only...
Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright © 2011 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
Page 6: Specification
L/R Input (22LK310/311: AV Audio Input 1EA) 10. RS-232C Remote control, Commercial control Rear 11. USB Input (1EA) Divx, MP3, JPEG Only Side Copyright © 2011 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
Page 7 48.363 60.004 VESA( XGA) 1280* 768 47.776 59.87 79.5 VESA( WXGA) 1360* 768 47.72 59.799 84.75 VESA( WXGA) Copyright © 2011 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
Page 8 148.5 HDTV 1080P 1920 x 1080 24.00 74.25 HDTV 1080P 1920 x 1080 33.75 30.00 74.25 HDTV 1080P Copyright © 2011 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
Page 9: Adjustment Instruction
1) Connect the download jig to D-sub(RGB) jack Click “(1)Read” tab, and then load download file (XXXX.bin) by clicking “Read”. Filexxx.bin Filexxx.bin Copyright © 2011 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
Page 11 ENTER( 6) ADC adjustment is executed automatically . 7) When ADC adjustment is finished, this OSD appear. Copyright © 2011 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
Page 12 - Enter the white balance adjustment mode with aging command(F3, 00, FF) * Luminance min value is 150cd in the Cool/Medium/Warm mode(For LCD) Copyright © 2011 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
Page 13 0.295 ± 0.002 0.305 ± 0.002 8,000 K 0.000 Warm 0.313 ± 0.002 0.329 ± 0.002 6,500 K 0.003 Copyright © 2011 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
Page 14: Troubleshooting
Or Inverter Or Inverter Pass Check Output of IC802 Change IC802 Fail Pass Check LVDS Cable Change Module Fail Copyright © 2009 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
Page 15 Change the defect part Fail of IC800 Repeat [A], & [B] Process Pass Repeat [A], & [B] Process Copyright © 2009 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
Page 16 Change the defect part Of IC600 Pass Change Speaker Check The Speaker Fail Pass Check The Speaker Wire Copyright © 2009 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
Page 18: Exploded View
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
Page 19 EAX64045802 LP91J COMPONENT / AV IN / AV AUDIO OUT NON_AUDIO_OUT AUDIO_OUT JK101 JK102 PPJ238-01 PPJ239-03 [RD1]E-LUG [RD1]E-LUG [RD1]O-SPRING [RD1]O-SPRING_2 R116 CVBS_RIN D105 R112 R120 220K [RD1]CONTACT [RD1]CONTACT_2 [WH1]O-SPRING [WH1]O-SPRING_2 R115 CVBS_LIN D104 R111 R119 220K [YL1]CONTACT [YL1]CONTACT_1 P_12V_SMALL_15V [YL1]O-SPRING [YL1]O-SPRING_1 GAIN X 4 CVBS_VIN...
Page 20 EAX64045802 LP91J RS-232C JK202 JK200 SPG09-DB-009 SPG09-DB-010 6630TGA004Q +3.5V_MST RED_GND GND_2 IC200 C203 ST3232CDR 0.1uF PC_R R202 R211 D207 GREEN_GND D200 C200 DDC_DATA DSUB_SDA 0.1uF D204 T1OUT GREEN PC_G R212 D208 BLUE_GND R1IN R203 R207 C201 H_SYNC PC_HS 0.1uF D201 R1OUT C213 ZD200...
Page 21 EAX64045802 OPTION LP91J HDMI2_EEPROM_RENESAS IC301-*1 SW_HPD : USE SW HPD (Default) R1EX24002ASAS0A HDMI1_EEPROM_RENESAS MST_HPD : USE MST HPD IC300-*1 R1EX24002ASAS0A +5V_MULTI +5V_MULTI +5V_HDMI_2 +5V_HDMI_1 +5V_HDMI_2 2SC3875S Q301 D301 +5V_HDMI_1 RT1C3904-T112 R303 KDS184S HDMI2_EEPROM_CATAL D300 IC301 R302 R301 CAT24C02WI-GT3 KDS184S HPD_MST_2 HDMI1_EEPROM_CATAL HPD_MST_1 Q300...
Page 22 EAX64045802 LP91J PANEL WAFER TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,TXCE4+,TXCE4-,TXCLKE+,TXCLKE-,TXCLKO+,TXCLKO-,TXCO0+,TXCO0-,TXCO1+,TXCO1-,TXCO2+,TXCO2-,TXCO3+,TXCO3-,TXCO4+,TXCO4- TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,TXCE3-,TXCE4+,TXCE4-,TXCLKE+,TXCLKE- TXCE0+,TXCE0-,TXCE1+,TXCE1-,TXCE2+,TXCE2-,TXCE3+,T +5V_+12V_LCD 51P_FFC_WAFER_FHD P401 P403 +5V_+12V_LCD P402 TF05-51S SMALL_NC5 FF10001-30 FF10001-30 SMALL_NC1 26_32INCH_HD_WAFER SMALL_NC2 SMALL_OPC_OUT HD_normal R425 0 19_22INCH HD_NOT AUO_IPS R414 NON_Small CMO R432 TXCE3- TXCE3+ R435 SMALL_NC5 NON CMO 42FHD R436 TXCLKE- SMALL_NC1 NON CMO 42FHD TXCE0+...
Page 23 EAX64045802 LP91J PAL_TUNER TU500 TAFJ-Z001D NC_1 NC_2 Near the pin +5V_TUNER +B[5V] READY READY R500 C508 C501 C505 C506 0.01uF 10uF 100uF 100uF RF_AGC TU500-*1 READY MOPLL_AS TAFJ-H001F L500 120-ohm R504 M_SCL NC_1 C502 27pF NC_2 R505 M_SDA C500 27pF +B[5V] NC_3 +5V_TUNER...
Page 24 EAX64045802 LP91J +1.8V L606 +16V_NTP 120-ohm MLB-201209-0120P-N2 +1.8V_AVDD 0LCML00003B C612 C640 C642 C615 C617 R604 68uF 68uF 10uF 0.1uF 0.1uF P600 L605 SMAW250-H04R 120-ohm C613 +1.8V_DVDD 0.01uF L608 MLB-201209-0120P-N2 MLB-201209-0120P-N2 0LCML00003B SPK_L+ SPK_R- C672 R608 R611 0.01uF C637 R663 L603 SPK_R+ 0.1uF 4.7K...
Page 25 +3.3V_MULTI_MST +3.3V_MULTI_MST 4.7K R8010 4.7K R8011 R896 4.7K R898 4.7K EAX64045802 Small_HD Non_Small_FHD Small_HD Small_FHD R898-*1 4.7K R8011-*1 R896-*1 4.7K R8010-*1 4.7K 4.7K DDR2_A[0-12] Non_Small_HD 100Hz LP91J Apollo 100Hz R896-*2 4.7K R898-*2 4.7K R8010-*2 R8011-*2 4.7K Close to IC as close as possible 4.7K Small_FHD Apollo...
Page 26 EAX64045802 LP91J DDR2 DDR2_D[0-15] DDR2_D[0-15] +1.8V_DDR V_REF C904 C905 C918 C920 0.01uF 1000pF 0.1uF 2.2uF V_REF IC900 Close to DDR2 IC K4T51163QI-HCF7 DDR2_A[0-12] DDR2_D[0] VREF DDR2_D[1] DDR2_D[2] DDR2_A[0] DDR2_D[3] DDR2_A[1] DDR2_D[4] DDR2_A[2] DDR2_D[5] DDR2_A[3] DDR2_D[6] DDR2_A[4] DDR2_D[7] DDR2_A[5] DDR2_D[8] DDR2_A[6] DDR2_D[9] DDR2_A[7] DDR2_D[10]...
Page 27 **5V_MULTI->3.3V->1.2V EAX64045802 L1003 P_24V_SMALL_15V +16V_NTP LP91J C1043 C1046 C1058 68uF 0.01uF 0.1uF 19_22INCH L1004 +3.5V_MST R1010 P_3.5V +3.5V_MST IC1001 26_32INCH C1045 C1057 C1011 BD9130EFJ-E2 120-ohm 2SC3875S 10uF 0.01uF 0.01uF Q1005 R1044 26_32INCH 26_32INCH R1000 P1000 26_32INCH AUDIO_OUT PVCC 4.7K R1001 FW20020-24S AUDIO_OUT +3.5V_MULTI...

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26lk310y 26lk310y-ta 26lk311 26lk311-tb

LG 26LK310 Service Manual

Table of Contents

SERVICE MANUAL

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Summary of Contents for LG 26LK310

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