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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

website:http://biz.LGservice.com

e-mail:http://www.LGEservice.com/techsup.html

Содержание 26LC2R Series

Страница 1: ...L CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LP61C FACTORY MODEL 26LC2R TJ 32LC2R TJ MODEL 26LC2R 32LC2R website http biz LGservice com e mail http www LGEservice com techsup html ...

Страница 2: ... 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 ...

Страница 3: ...et such as antennas terminals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead i...

Страница 4: ...vely 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 unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a ground...

Страница 5: ...not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit boa...

Страница 6: ... Performance LGE TV test method followed 3 2 Demanded other specification Safety CE IEC Specification EMC CE IEC SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 4 Electrical Specification 4 1 Module Specification 4 1 1 General Specification 26 32 37 LCD MODULE No Item Specification Remark 1 Display Screen Device 26 32inch wide Color Display Module ...

Страница 7: ...t Input 2EA Y Cb Cr Y Pb Pr 9 RGB Input 1EA RGB PC RGB DTV 10 HDMI Input 1EA HDMI DTV EXCEPT 26 32 37LC2R CJ CJ NO HDMI Spec Out 11 Audio Input 5 EA PC Audio Component 2EA AV 2EA L R Input 12 Wired Control 1EA 13 Variable Audio out 1EA 5 Chroma Brightness Optical 5 1 LCD Module No Item Min Typ Max Unit Maker Remark 1 Luminance 350 500 cd m2 AUO 26 32 37 50cm from the surface LPL 26 32 Full White P...

Страница 8: ...0 072 0 068 White X Typ 0 275 Typ LPL 26 0 03 0 285 0 03 32 Y 0 279 0 293 Red X 0 630 0 640 Y 0 338 0 343 Green X 0 283 0 280 Y 0 607 0 605 Blue X 0 147 0 145 Y 0 064 0 065 4 Contrast ratio 800 1200 AUO 26 32 37 1000 600 1000 CMO 27 32 800 1600 LPL 26 32 with AI 5 Color Normal 8300 9300 10300 85IRE Full White Pattern Temperature Warm 6200 7200 8200 Cool 10000 11000 12000 ...

Страница 9: ...768 47 720 59 799 84 75 WXGA XGA only 8 1366x768 47 720 59 799 84 75 WXGA XGA only No Resolution H freq kHz V freq kHz Pixel clock MHz Proposed Remarks 1 720x480 31 47 59 94 27 000 SDTV 480P 2 720x480 31 50 60 00 27 027 SDTV 480P 3 720x576 31 25 50 00 27 000 SDTV 576P 50Hz 4 1280x720 44 96 59 94 74 176 HDTV 720P 5 1280x720 45 00 60 00 74 250 HDTV 720P 6 1280x720 37 50 50 00 74 25 HDTV 720P 50Hz 7 ...

Страница 10: ...For ZJ Cool For TJ CJ For MJ XD Auto Advanced Cinema Off Black Level Low Reset 3 Sound SSM Flat AVL Off TV Speaker On 4 Time Clock Off Time Off On Time PR 1 Vol 30 Off Auto Sleep Off 5 Special Language English Following Buyer s demand PR Child Lock Off Set ID 1 XD Demo To Start 6 Screen Auto Config Available For RGB PC mode Manual Config Phase 0 Available For RGB PC mode Clock 0 H Position 0 Avail...

Страница 11: ...sion Before Packing 681 235 550 mm SET With Stand After Packing 749 275 640 mm 2 Product Only SET 16 8 Kg Weight With BOX 18 9 Kg No Item Content Remark 1 Product Width Length Height Unit Dimension Before Packing 811 235 630 mm SET With Stand After Packing 896 300 720 mm 2 Product Only SET 22 Kg Weight With BOX 25 5 Kg ...

Страница 12: ...3 1 PCB assembly adjustment items Download the VCTP main software IC601 VCPT Channel memory IC603 EEPROM Colorcarrier Adjustment 3 2 SET assembly adjustment items DDC Data input Adjustment of White Balance Factoring Option Data input 4 PCB assembly adjustment 4 1 PCB assembly adjustment method Using VCTP Download program 4 1 1 Download program installation 1 Extract a Zip file 2 Visual I2C LPT Dri...

Страница 13: ...rsion as 40 4 Click the Erase Flash button 5 Double click the download file low then edit window will be opened 6 Click the choice button in the edit window then file choice window will be opened 7 Choose the Hex file in folder and execute downloading with click open button Select the Bootloader bat file install VCTP_download Bootloader Push OK Finish the program after saving the file download_cs ...

Страница 14: ...V Plate Ass y 1 Push S W ON connect SCL to GND using switch at Jig and connect the download jig to D sub jack 2 Supply the power Stand by 5V and wait for 3 seconds 3 Push the S W off Disconnect SCL to GND using switch at jig 4 Execute Download vi2c program in PC then a main widow will be opened 5 Double click the blue box and confirm Bootloader Version as 40 Push S W Double click Push S W ...

Страница 15: ...ose the Hex file in folder and execute downloading with click open button 10 Click OK button at the edit window 11 Under Downloading progress 12 If download is failed for example No acknowledge from 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 2 Connect Zig to TV using a D sub cable 15 ...

Страница 16: ... 8 Chick the choice button I n the edit window then file choice window will be opened 9 Choose the Hex file in folder and execute downloading with click open button 10 Click OK button at the edit window 11 Under Downloading progress 12 If download is failed for example No acknowledge from slave execute download again from 1 16 Double click If you don t push the go the Hex file would not be downloa...

Страница 17: ...RF signal ZJ TJ CJ PAL Philips Pattern with Color Bar MJ NTSC Digital Pattern with Color Bar b push the adj key in the adjustment remocon 4 2 SET assembly adjustment method Caution Each PCB assembly must be checked by check JIG set Because power PCB Assembly damages to LCD Module especially be careful 4 2 1 EDID The Extended Display Identification Data DDC Display Data Channel download 1 Extract a...

Страница 18: ...rol 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 or AV2 Input 50Hz 26 32LC2R MJ VIDEO1 or VIDEO2 Input 60Hz 3 Press the POWER ON KEY on R C for converting input mode 4 Enter the White Balance adjustment mode by pressing the IN STA...

Страница 19: ...me None 8 Picture PSM Dynamic Dynamic Contrast 100 Brightness 50 Colour 50 Sharpness 50 CSM Normal XD Auto Advanced Reset 9 Sound SSM Flat Off AVL Off Balance 0 50 50 Speaker On 10 Time Clock User control Off time Off On time Off Auto sleep Off 11 Special Language English Area management Child Lock Off Set ID 1 XD Demo To start 12 Screen Auto config Manual config XGA VGA mode Variable by each mode...

Страница 20: ...put To check the front AV To move channel up down or to select a function displayed on the screen To adjust the volume or accurately control a specific function To set a specific function or complete setting To move the channel down in the PIP screen To use as a red key in the teletext mode To move the channel in the PIP screen To use as a green key in the teletext mode To switch between the main ...

Страница 21: ... No Yes Is connect the line filter cable to PSU Connect a cable No Yes Is normal the Fuse F901 on PSU Exchange the Fuse No Yes Is connect the PSU and Main board with 13P cable 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 Connect a 13p cable No Yes ...

Страница 22: ...tirely you can watch the LED on a main 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 Connect cables No Yes Is normal the IR board and Local key Exchange the IR and Local key No Yes Is normal the Main board Check voltages of P900 in main board Exch...

Страница 23: ...le click 3 The front LED turn Green to Red 2 Check process Exchange the PSU No Yes Is normal cables Do cable connect well each wafer Is normal Main B D Is normal PSU Does the Low High voltage operate normally No No No No Yes Disconnecting cable P301 P900 P1001 at main B D are Voltages normal Exchange the cable Yes Exchange main board ...

Страница 24: ...process 24 Exchange the PSU No Yes Is normal cables Do cable connect well each wafer Is normal Main B D Is normal PSU Does the Low High voltage operate normally No No No No Yes Disconnecting cable P301 P900 P1001 at main B D are Voltages normal Exchange the cable Yes Exchange main board ...

Страница 25: ...No Is sound at Scart1 2 or Component2 RGB or Side AV Good Are good some elements C R L or Diode at Sound path Is IC800 good Switching IC If it dead or short exchange this elements No No Is sound at RF AV or Component1 Good Are good some elements C R L or Diode at Sound path If it dead or short exchange this elements Yes Yes Is IC601 good VCT P Exchange IC601 Is IC801 good Amplifier Exchange IC801 ...

Страница 26: ...ecific mode 2 Check process 1 Noise appears at RF mode 26 Are input voltage I2C and CVBS output good No No Is the Tuner part good Is the Tuner cable connected well Insert the cable exactly Add the Gasket No Exchange the Tuner Re assemble the SET Is Gaskets added well Yes No No Yes ...

Страница 27: ...le exactly Insert the Tuner cable exactly If it dead or short exchange this elements Yes Yes No No No Is the LVDS cable connected Are good some elements C R L or Diode at path Insert the LVDS cable exactly Is VCT P IC good Exchange the VCT P IC If it dead or short exchange this elements Exchange the Tuner Exchange the VCT P IC Yes Yes Yes Yes No No No No Is the LVDS cable connected Check the EDID ...

Страница 28: ...H P AV_AUDIO_L R COWP1 REAR BECAW L WO SC 1_R G B FB COMP 2 Y PB PR COMP 1 Y PB PR SIDE_V SC 2_V YIN C REAR_V TV_V REAR Y C IC601 VCT6973 SC 1_V AV_AUDIO _L R IC800 AUDIO SWITCH TEA STM HDMI_VS HS VGA_HS VS DS_ H V R G B FB V L R in TV_LV R out MNT_V L R out V L R in Y C VGA_ HS VS IC301 74HC14D AV1 FULL AV2 HALF WIRED IR PC A IN RS 232C HDMI VAR AUD OUT PDP D L RF INPUT COMP 2 Y PB PR COMP 1 Y PB...

Страница 29: ... R MNT_OUT REAR_YC REAR_V COMP1_Y Pb Pr COMP2_Y Pb Pr COMP1 2_RIN LIN SCART1 2_RIN LIN SCART1 2_ID MNT_OUT Sil9011 SIDE_R L SIDE_YC R L_Head R_Audio L_Audio R_SPK_OUT L_SPK_OUT TDA3008D2 Amp TDA2822M Amp R L_Head R_Head VCTP 32P_LVDS Tx0 1 2 3 4 C 12v Panel 31P_LVDS L_Head A V S A V H Phone SCL SDA 24C02 Variable_audio_out L R Variable_audio_out L R RX 0 1 2 CLK TV_OUT HDMI_HS VS RS232 RGB PC DTV ...

Страница 30: ...WIRING 30 14P PSU Main B D 2P 13P 10P 10P 30P 4P 3P 4P 4P IR B D Local Key 10P AC inlet SPK L SPK R 12P 13P 10P Inverter 14P 12P T con 30P ...

Страница 31: ... 31 EXPLODED VIEW 26LC2R 010 020 060 070 080 090 100 030 140 150 040 130 110 050 120 ...

Страница 32: ...ZJ LOCAL 49519S0021B Plate Assembly FRAME 26LC2 BRAND AUO MODULE 49519S0021D Plate Assembly FRAME 26LC2 BRAND AUO MODULE CSKD 68719STA75A PCB Assembly Sub SUB T T LP61C 26LC2R CJ AUO GUMI MFG EBR30397401 PCB Assembly Sub SUB PAKING LP61C 26LC2R TJ SIDE AV SKD 6709900016A Power Supply Assembly FREE H3 E2 LCD MODEL LCD LG ELECTRONICS LB LC 33139L2017A Main Total Assembly 26LC2R AUO BRAND LC61A DMS 3...

Страница 33: ... 33 EXPLODED VIEW 32LC2R 010 020 050 070 080 090 100 030 150 040 140 120 130 060 060 110 ...

Страница 34: ...50 FERRITE 15W 8OHM 93DB 170HZ 116X42X38 5mM LUG 68719ST892A PCB Assembly Sub SUB T T LP61A 32LC2R Z SIDE AV EBR30375201 PCB Assembly Sub SUB T T LP61A 32LC2R SIDE AV for DMS 6709900016C SMPS AC DC LGLP2637HEP 90 0VTO264 0V 215W 47TO63HZ UL CSA SEMKO YY AT H E or 6709900016A Power Supply Assembly FREE H3 E2 LCD MODEL LCD LG ELECTRONICS LB LC 33139L3028A Main Total Assembly 32LC2R AUO BRAND LC61A N...

Страница 35: ... 0TP16VC22M 22uF 20 16 C727 0CE226WF6DC MVK5 0TP16VC22M 22uF 20 16 C733 0CE226WF6DC MVK5 0TP16VC22M 22uF 20 16 C743 0CE226WF6DC MVK5 0TP16VC22M 22uF 20 16 C744 0CE226WF6DC MVK5 0TP16VC22M 22uF 20 16 C756 0CE476WF6DC MVK6 3TP16VC47M 47uF 20 16 C757 0CE106WH6DC MVK5 0TP25VC10M 10uF 20 25 C758 0CE476WF6DC MVK6 3TP16VC47M 47uF 20 16 C759 0CE476WF6DC MVK6 3TP16VC47M 47uF 20 16 C760 0CE476WF6DC MVK6 3TP...

Страница 36: ... 0603B104K500CT 100nF 10 50 C425 0CK104CK56A 0603B104K500CT 100nF 10 50 C426 0CK104CK56A 0603B104K500CT 100nF 10 50 DATE 2006 03 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C506 0CK103CK56A 0603B103K500CT 10nF 10 50V C507 0CK103CK56A 0603B103K500CT 10nF 10 50V C508 0CC270CK41A C1608C0G1H270JT 27pF 5 50V C509 0CC270CK41A C1608C0G1H270JT 27pF 5 50V C511 0CK103CK56A 0603B103K500CT 10nF 10 50V C5...

Страница 37: ...0CK104CK56A 0603B104K500CT 100nF 10 50 C615 0CK104CK56A 0603B104K500CT 100nF 10 50 C616 0CK104CK56A 0603B104K500CT 100nF 10 50 C617 0CK104CK56A 0603B104K500CT 100nF 10 50 DATE 2006 03 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C618 0CK104CK56A 0603B104K500CT 100nF 10 50 C619 0CK104CK56A 0603B104K500CT 100nF 10 50 C620 0CK104CK56A 0603B104K500CT 100nF 10 50 C621 0CK104CK56A 0603B104K500CT 100...

Страница 38: ...CIFICATION L1002 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L1007 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L1008 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L1010 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L1011 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L1012 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L1015 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L1017 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L1018 6210TCE001G HH ...

Страница 39: ...FICATION R175 0RJ2203D677 MCR03EZPJ224 220KOHM 5 1 1 R176 0RJ0752D677 MCR03EZPJ750 75OHM 5 1 10W R177 0RJ0752D677 MCR03EZPJ750 75OHM 5 1 10W R178 0RJ0752D677 MCR03EZPJ750 75OHM 5 1 10W R179 0RJ2203D677 MCR03EZPJ224 220KOHM 5 1 1 R180 0RJ2203D677 MCR03EZPJ224 220KOHM 5 1 1 R181 0RJ0752D677 MCR03EZPJ750 75OHM 5 1 10W R182 0RJ0752D677 MCR03EZPJ750 75OHM 5 1 10W R183 0RJ0752D677 MCR03EZPJ750 75OHM 5 1...

Страница 40: ...OHM 5 1 10W R767 0RJ1001D677 MCR03EZPJ102 1KOHM 5 1 10W R768 0RJ1001D677 MCR03EZPJ102 1KOHM 5 1 10W DATE 2006 03 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R769 0RJ1001D677 MCR03EZPJ102 1KOHM 5 1 10W R771 0RJ2200D677 MCR03EZPJ221 220OHM 5 1 10 R776 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W R781 0RJ3001D677 MCR03EZPJ302 3KOHM 5 1 10W R782 0RJ3001D677 MCR03EZPJ302 3KOHM 5 1 10W R783 0RJ0000D677 MC...

Страница 41: ...M 5 1 10 R442 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10 R451 0RJ1501D677 MCR03EZPJ152 1 5KOHM 5 1 1 DATE 2006 03 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R519 0RJ2700D677 MCR03EZPJ271 270OHM 5 1 10 R520 0RJ2200D677 MCR03EZPJ221 220OHM 5 1 10 R528 0RJ1800D677 MCR03EZPJ181 180OHM 5 1 10 R534 0RJ1001D677 MCR03EZPJ102 1KOHM 5 1 10W R535 0RJ4702D677 MCR03EZPJ473 47KOHM 5 1 10 R536 0RJ1001D677 MCR0...

Страница 42: ...000 0OHM 5 1 10W R912 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10 R913 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10 R921 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10 R924 0RJ4701D677 MCR03EZPJ472 4 7KOHM 5 1 1 R925 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W R928 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10 R929 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10 DATE 2006 03 25 S AL LOC NO PART NO DESCRIPTION SPECIFICATION X600 6202VDT00...

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Страница 45: ...Jun 2006 Printed in Korea P NO MFL30105597 ...

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