LG 47LB2RF Page 2 Service Manual Download

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CONTENTS

CONTENTS .............................................................................................. 2

PRODUCT SAFETY ..................................................................................3

SPECIFICATION ........................................................................................6

ADJUSTMENT INSTRUCTION................................................................11

TROUBLE SHOOTING ............................................................................16

BLOCK DIAGRAM...................................................................................23

EXPLODED VIEW .................................................................................. 24

REPLACEMENT PARTS LIST ............................................................... 26

SVC. SHEET ...............................................................................................

Summary of Contents for 47LB2RF

Page 1: ...E MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LP62H FACTORY NAME 47LB2RF ZH MODEL 47LB2RF website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ... 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 11 TROUBLE SHOOTING 16 BLOCK DIAGRAM 23 EXPLODED VIEW 24 REPLACEMENT PARTS LIST 26 SVC SHEET ...

Page 3: ...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 in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a ...

Page 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...

Page 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...

Page 6: ...SECAM DK 3 PAL I I 4 PAL N M Middlesouth America 5 NTSC M only CH 3 RF Input Channel VHF E2 E12 PAL UHF E21 E69 CATV S1 S20 HYPER S21 S47 L L B C D FRANCE VHF 2 13 NTSC UHF 14 69 CATV 1 125 4 Input Voltage AC 100 240 V 50Hz 60Hz 5 Market CHINA 6 Active Screen Size 46 96 inch 1192 78mm diagonal 46 96 inch 7 Tuning System FVS 100 program FS 8 Operating Environment 1 Temp 0 40 deg 2 Humidity 10 90 9 ...

Page 7: ... 6200 7200 8200 APC Standard Cool 10000 11000 12000 5 Color pull in Range PAL 500 500 Hz NTSC 500 500 Hz 6 Color killer Sensitivity 80 dBm 2 General Specification No Item Specification Remark 1 Panel 47 TFT WUXGA LCD 2 Frequency range H 31 78Khz PC Input V 56 75Hz 3 Control Function 1 Contrast Brightness 2 H Position V Position 3 Tracking Clock Phase 4 Auto Configure 5 Reset 4 Component Jack Y Pb ...

Page 8: ...le out 1EA 4 Model Specification 5 Chroma Brightness Module No Parameter Symbol Min Typ Max Unit Remark 1 Contrast Ratio CR 600 800 Normal Mode CR with AI 1200 1600 100IRE Full white window pattern 2 Surface Luminance LWH 450 550 Cd m2 Normal Mode white 100IRE Full white window pattern APC Clear Dynamic 3 Luminance Variation 5WHITE 5P 1 3 4 Response Timer Rise Time TrR 8 16 ms Decay Time TrD 10 14...

Page 9: ...0 576 31 25 50 00 27 000 SDTV 576P 4 1280 720 44 96 59 94 74 176 HDTV 720P 5 1280 720 45 00 60 00 74 250 HDTV 720P 6 1280 720 37 50 50 00 74 25 HDTV 720P 50Hz 7 1920 1080 33 75 60 00 74 250 HDTV 1080I 8 1920 1080 67 5 60 00 148 5 HDTV 1080P 9 1920 1080 28 125 50 74 25 HDTV 1080I 50Hz 10 1920 1080 56 25 50 148 5 HDTV 1080P 50Hz 7 RGB Input PC No Resolution H freq kHz V freq Hz Pixel clock MHz Propo...

Page 10: ...20 576 31 25 50 00 27 000 SDTV 576P 4 1280 720 44 96 59 94 74 176 HDTV 720P 5 1280 720 45 00 60 00 74 250 HDTV 720P 6 1280 720 37 50 50 00 74 25 HDTV 720P 50Hz 7 1920 1080 33 75 60 00 74 250 HDTV 1080I 8 1920 1080 67 5 60 00 148 5 HDTV 1080P 9 1920 1080 28 125 50 74 25 HDTV 1080I 50Hz 10 1920 1080 56 25 50 148 5 HDTV 1080P 50Hz No Item Content Remark 1 Product Dimenson Width W Length D Height H Un...

Page 11: ...n3 exists Caution Never connect HDMI DVI D DVI A Cable at the same time Use the proper cables below for EDID Writing 4 1 EDID Data 4 2 Data 4 2 1 ANALOG 256 Bytes BLOCK1 128BYTE 4 2 2 HDMI 256 Bytes BLOCK1 128BYTE BLOCK2 128BYTE Detail EDID Options are below a b c d e 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 00 00 FF FF FF FF FF FF 00 1E 6D 10 01 03 01 46 27 78 EA D9 B0 A3 57 49 9C 25 20 11...

Page 12: ...ttern shown in Fig 2 Model 217 Pattern 33 It is very import to use correct adjustment pattern like Fig 2 Within the pattern color sequence should be aligned W Y C G M R BLUE BLACK If color sequence is reversed Black White reverse the pattern with REV key when using Master pattern generator like MSPG 925 If Minimum Black Level and or Maximum White Level is not correct Do select 100 Color Bar Patter...

Page 13: ...y fixed Cool 11000K 1000K Warm 7200K 1000K 6 1 Manual white Balance AV 1 Execute CA 110 Zero Calibration 2 Execute the SET Heat Run for 30minutes 3 As below Fig 4 Supply 216Level 85 IRE full screen pattern to Video input Input 50Hz 4 Press the FRONT AV KEY on R C for converting input mode 5 Set the PSM to Standard mode in Picture menu 6 Enter the White Balance adjustment mode by pressing the INSTA...

Page 14: ...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...

Page 15: ...k 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 and sub scr...

Page 16: ...e output circuit Yes No Yes No No No Doesn t the screen whole come out It is identical with power off condition Is the Interface signal operated Doesn t the 5V monitor signal come out Doesn t the VSC signal RL_ON come out Doesn t the VSC Low pressure output come out Doesn t the Vs Va voltage output come out Doesn t the St by 5V signal come out Doesn t the VSC signal Vs ON come out When remove the ...

Page 17: ...ord No No No No Yes Is the Line Filter and PSU connected Connect Cable SC101 Yes Is the Fuse F101 of PSU is normal Replace Fuse Yes Is it connect that PSU and 13Pin cable in VSC board After remove the cable connect to Power Board except the CN101 connection cable authorizes the AC voltage marking on manual When ST BY 5V does not operate replace Power Board Connect Cable Yes ...

Page 18: ...o No No Is output the normality Low High voltage except stand by 5V No Inverter_On Signal is High of 5 th pin in P1000 on Main board Yes On Yes Is the link cable normal 1 Check the Inverter connector 2 Check the LCD Module Yes 1 Check the Main Board 1 Reconnect the link cable in P804 No 1 Check the Main board 1 Change the Power Board 1 Change the Main Board Yes Is the Power Board normal Yes Is the...

Page 19: ...Replace VSC B D No No Yes Replace Ctrl Board in Plasma panel No Replace LCD Module No Yes Yes Is the LCD Module normal Yes Plasma LCD TV No Cable inserts well No Replace FIL8668 IC IC800 2 3 In case of occur strange screen into specific mode 2 3 1 In case of doesn t display the OSD 1 Symptom 1 LED is White 2 The minute discharge work continuously 2 Check follow ...

Page 20: ...uble Window if it display normally Re Check it Swap 3 In case of unusual situation from RF mode Is the Tuner normal No Yes Yes Cable inserts well Replace Tuner Replace IC300 Is the Tuner Cable connected well No Is the Input voltage IIC Communication and HV sync normal No No Is normal the Input voltage IIC Communication and CVBS output No No Is the IC300 normal Replace IC800 No Is the Input voltage...

Page 21: ...HV sync normal No Is the IC1200 normal Replace IC800 No Is the Input voltage IIC Communication and HV sync normal No Is the IC800 normal Replace IC800 No Is the Input voltage IIC Communication and HV sync normal No Is the IC800 normal Yes Replace IC300 No Is the Input voltage IIC Communication and HV sync normal No Is the IC300 normal Replace IC800 No Is the Input voltage IIC Communication and HV ...

Page 22: ... IC300 Replace VSC B D Set on speaker in menu Download the EDID data Check the speaker cable No Only RF is no sound Check the Tuner In Out No No No Replace IC402 No Is the Speaker on in Menu Yes No No Check the signal after IC300 refer to circuit diagram Is the output 52nd 53rd of IC300 normal Yes Yes Yes Yes Is the speaker cable normal Yes Yes Yes Yes IC400 operate normally IC401 operate normally...

Page 23: ...BLOCK DIAGRAM 23 ...

Page 24: ... 24 EXPLODED VIEW 010 020 080 100 120 140 110 050 060 130 180 170 160 150 040 030 070 ...

Page 25: ...Plate Assembly ASSY METAL MAIN FRAME 47LB1 CH CKD AGU30990802 Plate Assembly ASSY METAL MAIN FRAME 47LB1 CH EBR32284902 PCB Assembly MAIN1 PAKING LP62H 47LB2RF ZH SKD PACKING 6401900127B Speaker Assembly 42LB1 SIDE LEFT 1350MM 6401900127J Speaker Assembly 47LB1R CH SIDE RIGHT 1250MM 6401900131B Speaker Assembly 42LB1 WOOFER LEFT 970MM 6401900131G Speaker Assembly 47LB1R CH WOOFER RIGHT 850MM EBR32...

Page 26: ...227SF6DC MVG6 3TP16VC220M 220uF 20 C1244 0CE106SH6DC VMV106M025S0ANB010 10uF 20 C125 0CE227SF6DC MVG6 3TP16VC220M 220uF 20 C126 0CE106SH6DC VMV106M025S0ANB010 10uF 20 C127 0CE106SH6DC VMV106M025S0ANB010 10uF 20 C132 0CZZTAT006H RV3 16V470ME55U R4 47uF 20 C135 0CE106SH6DC VMV106M025S0ANB010 10uF 20 C136 0CE106SH6DC VMV106M025S0ANB010 10uF 20 C1402 0CH8106J691 MVK5 0TP35VC10M 10uF 20 35 C1403 0CH810...

Page 27: ...03K500CT 10nF 10 50V C110 0CC221CK41A C1608C0G1H221JT 220pF 5 50 C1100 0CK104CK56A 0603B104K500CT 100nF 10 50 DATE 2006 09 05 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1102 0CK104CK56A 0603B104K500CT 100nF 10 50 C1103 0CK104CK56A 0603B104K500CT 100nF 10 50 C1104 0CK104CK56A 0603B104K500CT 100nF 10 50 C1105 0CK104CK56A 0603B104K500CT 100nF 10 50 C1106 0CK104CK56A 0603B104K500CT 100nF 10 50 C11...

Page 28: ...CK56A 0603B104K500CT 100nF 10 50 C1808 0CK104CK56A 0603B104K500CT 100nF 10 50 C1809 0CK104CK56A 0603B104K500CT 100nF 10 50 DATE 2006 09 05 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1810 0CK104CK56A 0603B104K500CT 100nF 10 50 C1811 0CK104CK56A 0603B104K500CT 100nF 10 50 C1812 0CK104CK56A 0603B104K500CT 100nF 10 50 C1815 0CK104CK56A 0603B104K500CT 100nF 10 50 C1836 0CK471CK56A C1608X7R1H471KT 4...

Page 29: ...0CK103CK56A 0603B103K500CT 10nF 10 50V C922 0CK104CK56A 0603B104K500CT 100nF 10 50 DATE 2006 09 05 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C923 0CK103CK56A 0603B103K500CT 10nF 10 50V C924 0CK104CK56A 0603B104K500CT 100nF 10 50 C925 0CK103CK56A 0603B103K500CT 10nF 10 50V C926 0CK104CK56A 0603B104K500CT 100nF 10 50 C927 0CK103CK56A 0603B103K500CT 10nF 10 50V C928 0CK104CK56A 0603B104K500CT 100...

Page 30: ... 10 5 C462 0CK682CK51A C1608Y5P1H682KT 6 8nF 10 5 C494 0CK104CK56A 0603B104K500CT 100nF 10 50 C511 0CK104CK56A 0603B104K500CT 100nF 10 50 DATE 2006 09 05 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C605 0CK104CK56A 0603B104K500CT 100nF 10 50 C606 0CK104CK56A 0603B104K500CT 100nF 10 50 C607 0CK104CK56A 0603B104K500CT 100nF 10 50 C610 0CK104CK56A 0603B104K500CT 100nF 10 50 C806 0CK104CK56A 0603B10...

Page 31: ...N L1115 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L113 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L115 6200JB8010L MLB 201209 1000L N2 1000OHM L116 6200JB8010L MLB 201209 1000L N2 1000OHM L119 6200JB8010L MLB 201209 1000L N2 1000OHM L1200 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L1201 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L1202 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L1203 6210TCE001G HH 1M3216 501JT ...

Page 32: ...50 Q302 0TR387500AA 2SC3875S ALY NPN 5V 60V 50 Q303 0TR387500AA 2SC3875S ALY NPN 5V 60V 50 DATE 2006 09 05 S AL LOC NO PART NO DESCRIPTION SPECIFICATION Q304 0TR387500AA 2SC3875S ALY NPN 5V 60V 50 Q400 0TR387500AA 2SC3875S ALY NPN 5V 60V 50 Q401 0TR387500AA 2SC3875S ALY NPN 5V 60V 50 Q402 0TR387500AA 2SC3875S ALY NPN 5V 60V 50 Q404 0TR387500AA 2SC3875S ALY NPN 5V 60V 50 Q408 0TR102009AM KRA102S PN...

Page 33: ...M 5 1 1 R160 0RJ4701D677 MCR03EZPJ472 4 7KOHM 5 1 1 R161 0RJ0822D677 MCR03EZPJ820 82OHM 5 1 10W DATE 2006 09 05 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R162 0RJ0822D677 MCR03EZPJ820 82OHM 5 1 10W R164 0RJ2700D677 MCR03EZPJ271 270OHM 5 1 10 R166 0RJ0822D677 MCR03EZPJ820 82OHM 5 1 10W R168 0RJ0752D677 MCR03EZPJ750 75OHM 5 1 10W R169 0RJ2203D677 MCR03EZPJ224 220KOHM 5 1 1 R170 0RJ0752D677 MCR03...

Page 34: ...MCR03EZPJ202 2KOHM 5 1 10W R465 0RJ1501D677 MCR03EZPJ152 1 5KOHM 5 1 1 R466 0RJ4703D677 MCR03EZPJ474 470KOHM 5 1 1 DATE 2006 09 05 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R467 0RJ1501D677 MCR03EZPJ152 1 5KOHM 5 1 1 R469 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W R474 0RJ2001D677 MCR03EZPJ202 2KOHM 5 1 10W R475 0RJ2001D677 MCR03EZPJ202 2KOHM 5 1 10W R476 0RJ4703D677 MCR03EZPJ474 470KOHM 5 1 1 R477...

Page 35: ...W R1223 0RJ1000D677 MCR03EZPJ101 100OHM 5 1 10 R1224 0RJ1000D677 MCR03EZPJ101 100OHM 5 1 10 DATE 2006 09 05 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1226 0RJ0152D677 MCR03EZPJ150 15OHM 5 1 10W R1227 0RJ0152D677 MCR03EZPJ150 15OHM 5 1 10W R1228 0RJ0152D677 MCR03EZPJ150 15OHM 5 1 10W R1229 0RJ0152D677 MCR03EZPJ150 15OHM 5 1 10W R1230 0RJ0152D677 MCR03EZPJ150 15OHM 5 1 10W R1231 0RJ0152D677 MCR...

Page 36: ...21 220OHM 5 1 10 R315 0RJ1001D677 MCR03EZPJ102 1KOHM 5 1 10W R316 0RJ1001D677 MCR03EZPJ102 1KOHM 5 1 10W DATE 2006 09 05 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R317 0RJ1000D677 MCR03EZPJ101 100OHM 5 1 10 R318 0RJ1000D677 MCR03EZPJ101 100OHM 5 1 10 R319 0RJ1001D677 MCR03EZPJ102 1KOHM 5 1 10W R320 0RJ1001D677 MCR03EZPJ102 1KOHM 5 1 10W R322 0RJ1003D677 MCR03EZPJ104 100KOHM 5 1 1 R323 0RJ2200D...

Page 37: ...5 1 10W R864 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W R867 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10 R868 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10 R870 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W R871 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W R872 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W DATE 2006 09 05 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R873 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W R874 0RJ0222D677 MCR03...

Page 38: ...101 0LC2232101A FI D3216 223KJT 22UH 10 L103 6210TCE001G HH 1M3216 501JT 500OHM 3 2X L104 6210TCE001G HH 1M3216 501JT 500OHM 3 2X Q101 0TR387500AA 2SC3875S ALY NPN 5V 60V 50 Q109 0TR387500AA 2SC3875S ALY NPN 5V 60V 50 R101 0RH4700D622 MCR10EZHJ471 470OHM 5 1 8W R102 0RH4700D622 MCR10EZHJ471 470OHM 5 1 8W R103 0RH0000D622 MCR10EZHJ000 0OHM 5 1 8W 2 R104 0RH0000D622 MCR10EZHJ000 0OHM 5 1 8W 2 R129 0...

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Page 42: ...Sep 2006 Printed in Korea P NO MFL35963401 ...

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