LG 37LC2RR Series Service Manual Download Page 25 | Manualshive

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Summary of Contents for 37LC2RR Series

Page 1: ... MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MF 056M FACTORY MODEL 37LC2RR ZL MODEL 37LC2RR website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...TENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 11 SERVICE REMOTE CONTROL 17 TROUBLE SHOOTING GUIDE 18 BLOCK DIAGRAM 25 EXPLODED VIEW 28 EXPLODED VIEW PARTS LIST 29 REPLACEMENT PARTS LIST 30 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: ... specification by part number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA IEC specification EMC FCC ICES IEC specification No Item Specification Remark 1 Video input applicable system PAL D K B G I NTSC M SECAM NTSC 4 43 2 Receivable Broadcast...

Page 7: ...t China 3 Pb 5 Pr 7 LINE1 Ready 9 LINE2 11 LINE3 13 LINE3 Ready 5 H V Sync Video Power consumption LED Power ON 250W White Stand by 3 0W Red Rec on Stand by 3 0W Amber AC Power off 6 LCD Module Type Size 37 877 0 x 516 8 x 55 5 H x V x D Pixel Pitch 37 0 200 x 0 600 x RGB Pixel Format 1366 horiz By 768 vert Pixels RGB strip arrangement Coating Hard coating 3H Anti glare reatment of the front polar...

Page 8: ...Resolution H freq kHz V freq kHz Pixel clock MHz Proposed 1 720 480 15 73 59 94 13 500 SDTV DVD 480I 525I 2 720 480 15 75 60 00 13 514 SDTV DVD 480I 525I 3 720 576 15 625 50 00 13 500 SDTV DVD 576I 625I 4 720 480 31 47 59 94 27 000 SDTV 480P 5 720 480 31 50 60 00 27 027 SDTV 480P 6 720 576 31 25 50 00 27 000 SDTV 576P 7 1280 720 44 96 59 94 74 176 HDTV 720P 8 1280 720 45 00 60 00 74 250 HDTV 720P ...

Page 9: ... 59 94 HDTV 720p 60Hz HDCP 13 1920 1080 28 13 50 00 HDTV 1080i 50Hz HDCP 14 1920 1080 33 72 59 94 HDTV 1080i 60Hz HDCP No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed PC 1 720 400 31 468 70 8 28 321 2 640 480 31 469 59 94 25 17 VESA 37 684 75 00 31 5 VESA 3 800 600 37 879 60 31 40 00 VESA 46 875 75 49 5 VESA 4 832 624 49 725 74 55 57 283 5 1024 768 48 363 60 00 65 00 VESA XGA 56 47 70 ...

Page 10: ...75 Ω 17 Ground Video input Output 18 Ground RGB Switching Control 19 Video output Composite 1V including sync 75 Ω 20 Video input Composite 1V including sync 75 Ω 21 Common ground Shield Table 2 Scart Arrangement 2 Half Scart Pin Signal Signal Level Impedance 1 Audio Output B right 0 5 Vrms 1KΩ 2 Audio Input B right 0 5 Vrms 10KΩ 3 Audio Output A left 0 5 Vrms 1KΩ 4 Ground audio 5 Ground audio 6 A...

Page 11: ...n Model dialog and check your connection in Communication dialog If your connection is NG then set your PORT COM1 2 3 correctly If your connection has completed you can see READY 6 Select proper CH_memory file nvm for each model at Channel Download Write Batch Next select proper binary file bin including the CH information for each model at Channel Download NVRAM File 7 Click the Download button I...

Page 12: ...Ready 6 First select proper Batch file flm for each model at ROM Download Batch File Second select proper RAM file hex for each model at ROM Download RAM File Third select roper Flash File hex for each model at ROM Download Flash File 7 Click the Download button It means the completion of the Hudson download if all items show OK and Status is changed by PASS at the lower right corner of the window...

Page 13: ...08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 00 C 11 61 35 40 48 00 FF C 49 40 00 80 d 38 FF 01 4B 01 BC 37 d 4B FF 03 A5 01 88 00 d 1F FF 80 6E 01 21 BC d 3D FF 46 80 01 00 88 d 09 FF 27 31 1B 00 21 d 00 00 78 40 21 1C 00 d 0A 1E 0A 01 50 4E 00 d 20 6D D9 01 A0 1F 18 0A 20 a B0 01 51 00 00 20 20 a A3 01 00 80 00 20 20 b 57 45 1E 51 00 00 20 b 49 40 30 00 FC 00 20 ...

Page 14: ... adjustment 2 MSPG 925F Pattern Generator Model 217 Pattern 33 Which has 720p 60Hz YPbPr output Pattern shown in Fig 2 2 Method of Auto Component Color Balance 1 Input the Component 720p 60Hz 100 Color Bar MSPG 925F model 217 pattern 33 signal into Component 2 Set the PSM to Dynamic mode in the Picture menu 3 Press the IN START key on R C for adjustment 4 Press the G Vol key to operate the set the...

Page 15: ...R Color Balance 1 Input the Component 576i 100 Color Bar signal into Component1 CL TL 2 Set the PSM to Dynamic mode in Picture menu 3 Press the IN START key and then TURBO PICTURE Key on R C for adjustment 4 Press the G Vol key operate To set then it becomes automatically 5 Auto RGB OK means completed adjustment 6 Auto RGB OK means adjustment is completed 7 If the result is NG Try once more Before...

Page 16: ...h the ADJ key in a Adjust Remocon 2 Input the AREA Code Tool Option Number that was specified in the BOM into the Shipping area 3 The work is finished Push V Key 9 Language Group 10 Teletext Language Group It is not active when EU All is selected on language group Then all teletext Language can be choose on user Øs menu This is the default XB J J J J J J B A B C D E F Input Select R Gain G Gain B ...

Page 17: ...onent input 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 t...

Page 18: ... No Is the Line Filter and Power Board Cable connected Connect the Cable Yes No Is the Fuse on Power Board normal Replace the Fuse Yes No Is the Power Board and 13P of VSC Board Cable connected Connect the Cable Yes No After the cable connect is remved to Power Board except the CN101 connection cable the AC voltage marking is authorized on manual When ST BY 5V is not operated replace Power Board ...

Page 19: ...Is the VSC Board normal After remove P1001 P1100 normal operation Replace VSC Board Is the output voltage normal after remove P10001 P1100 No Yes 3 No Raster 1 Symptom Ø Does t minute discharge at module Ø It maintains the condition where the front LED is white 2 Check following Is the Power Board normal Replace the Power Board Is output the normality Low High voltage except Stand by 5V Yes No No ...

Page 20: ...rged continuously becomes accomplished from module 2 Check following Is the LVDS cable normal Is the VSC Board normal Is the LVDS cable connected well Cable inserts well Yes No No Yes Does the FIL8532 IC IC800 Operates Replace FIL8532 IC IC800 No Is the Ctrl Board of Module normal Replace Ctrl B D No No Yes Replace VSC B D Replace the cable Yes ...

Page 21: ...s the Tuner Cable connected well Cable inserts well Yes No No Yes Is the FIL8532 normal Replace the Tuner No Is the Input voltage IIC Communication and CVBS output normal Yes Is the Input voltage IIC Communication and HV sync normal No Replace the IC No Is the Input voltage IIC Communication and HV sync normal No Replace the IC No Is the CXA2069Q normal Yes Is the FIL8532 normal Is the Input volta...

Page 22: ... not output 2 Check following Is the SPK cable normal Is the SPK cable connected well Cable inserts well No No Replace IC400 No Replace IC404 No Replace SPK cable Yes Yes Is the RF AV Component RGB HDMI sound normal No Does IC400 Operates Does IC404 Operates Replace VSC B D Yes Yes ...

Page 23: ...nnected well 12pin 4pin 400pin Insert cables well No No HDD jumper is located in Master Yse Power B D works well Yes Yes Change power B D No Place jumper to maste position No 31pin flat cables are connected well Yes Connect 31pin cabel No Check U1 U7 U11 Are these ICs wrong Yes Change ICs Yes Change the DVR B D No Change the HDD Is it right No Change time shift mode from off to on ...

Page 24: ... right No No No Yes Connect 31p cable No Check speakers Are they right Yes Check U13 U14 U1 U7 Check MSP IC406 IC404 Is it right Yes Yes No Connect 31pin cabel No Change the ICs Is it right Change the Board Check 31pin flat cable Is it right check 40pin 4pin HDD cable Is it right Connect cable well Connect 31pin well Check U11 U1 U7 Is it right Remove the recorded lists and record one more time an...

Page 25: ... 25 Europe BLOCK DIAGRAM ...

Page 26: ... 26 DVR ...

Page 27: ...MEMO 27 ...

Page 28: ... 28 010 020 120 110 111 130 150 100 040 030 060 090 080 170 160 180 190 140 050 EXPLODED VIEW ...

Page 29: ...K0217B Cover MOLD HIPS 37LC2R ZH HIPS 405AF LGEMA PHANTOM 49509K0023C Plate PRESS SBHG T1 6 SIDE SUPPORTER RIGHT FOR 37LC2 49509K0023D Plate SIDE SUPPORTER RIGHT FOR 37LC2 C SKD 49509K0024E Plate PRESS SBHG T1 6 SIDE SUPPORTER LEFT FOR 37LC2 49509K0024F Plate PRESS SBHG T1 6 SIDE SUPPORTER LEFT FOR 37LC2 C SKD 4950TKA361X Plate PRESS SBHG 1 6 FRAME SBHG A 37LC2RR ZL 68719ST300C PCB Assembly Sub SU...

Page 30: ... 50 C1070 0CK104CK56A 0603B104K500CT 100nF 10 50V C1071 0CE477WF6DC MVK10TP16VC470M 470uF 20 16 C1072 0CK104CK56A 0603B104K500CT 100nF 10 50V C1073 0CE477WF6DC MVK10TP16VC470M 470uF 20 16 C1074 0CK104CK56A 0603B104K500CT 100nF 10 50V C1075 0CK104CK56A 0603B104K500CT 100nF 10 50V C1076 0CK104CK56A 0603B104K500CT 100nF 10 50V C1077 0CK104CK56A 0603B104K500CT 100nF 10 50V C1078 0CK103CK51A 0603B103K5...

Page 31: ...0M 100uF 20 1 C120 0CE106SH6DC VMV106M025S0ANB010 10uF 20 C1200 0CE106SH6DC VMV106M025S0ANB010 10uF 20 DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1201 0CE106SH6DC VMV106M025S0ANB010 10uF 20 C1202 0CK104CK56A 0603B104K500CT 100nF 10 50V C1203 0CK104CK56A 0603B104K500CT 100nF 10 50V C1204 0CK104CK56A 0603B104K500CT 100nF 10 50V C1205 0CC102CK41A C1608C0G1H102JT 1nF 5 50V C C1206 ...

Page 32: ...20 1 C1800 0CK104CK56A 0603B104K500CT 100nF 10 50V C1801 0CK104CK56A 0603B104K500CT 100nF 10 50V C1802 0CK104CK56A 0603B104K500CT 100nF 10 50V C1803 0CK104CK56A 0603B104K500CT 100nF 10 50V C1804 0CK104CK56A 0603B104K500CT 100nF 10 50V C1805 0CK104CK56A 0603B104K500CT 100nF 10 50V C1806 0CK104CK56A 0603B104K500CT 100nF 10 50V C1807 0CK104CK56A 0603B104K500CT 100nF 10 50V C1808 0CK104CK56A 0603B104K...

Page 33: ...56pF 5 50V C409 0CC560CK41A C1608C0G1H560JT 56pF 5 50V C410 0CK103CK56A 0603B103K500CT 10nF 10 50V DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C411 0CE476SF6DC VMV476M016S0ANC010 47uF 20 C412 0CE226SF6DC VMV226M016S0ANB010 22uF 20 C413 0CE335WK6D8 MVK4 0TP50VC3 3M 3 3uF 20 5 C414 0CH5010K116 0805N1R0D500LT 1pF 0 5PF 50V C417 0CK474CH94A 0603F474Z250CT 470nF 20TO 8 C418 0CH5010K11...

Page 34: ... 10 50V C809 0CH5101K416 C2012C0G1H101JT 100pF 5 50V C810 0CC300CK41A C1608C0G1H300JT 30pF 5 50V DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C811 0CC300CK41A C1608C0G1H300JT 30pF 5 50V C812 0CK104CK56A 0603B104K500CT 100nF 10 50V C813 0CK104CK56A 0603B104K500CT 100nF 10 50V C814 0CK104CK56A 0603B104K500CT 100nF 10 50V C815 0CK104CK56A 0603B104K500CT 100nF 10 50V C816 0CK104CK56A ...

Page 35: ... 1 2V 85V 300MA 2A 4NS D1008 0DD226239AA KDS226 1 2V 85V 300MA 2A 4NS DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION D1009 0DD226239AA KDS226 1 2V 85V 300MA 2A 4NS D1010 0DD226239AA KDS226 1 2V 85V 300MA 2A 4NS D1012 0DD200009AF RU2M 400V 1 2V 10UA 20A 400N D1013 0DD200009AF RU2M 400V 1 2V 10UA 20A 400N D102 0DD226239AA KDS226 1 2V 85V 300MA 2A 4NS D105 0DD226239AA KDS226 1 2V 85V 3...

Page 36: ... 500OHM 3 L114 6200JB8010L MLB 201209 1000L N2 1000OHM L115 6200JB8010L MLB 201209 1000L N2 1000OHM L117 0LCML00020G MLI 201209 3R3K 3 3UH 10 0V DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L118 0LCML00020G MLI 201209 3R3K 3 3UH 10 0V L119 6200JB8010L MLB 201209 1000L N2 1000OHM L1204 6200J000013 MLB 321611 0500P N2 500OHM 3 L1205 6200J000013 MLB 321611 0500P N2 500OHM 3 L1206 620...

Page 37: ...ON SPECIFICATION AR806 0RRZVTA001B MNR14E0ABJ510 51OHM 5 1 16W AR807 0RRZVTA001B MNR14E0ABJ510 51OHM 5 1 16W AR808 0RRZVTA001B MNR14E0ABJ510 51OHM 5 1 16W AR809 0RRZVTA001B MNR14E0ABJ510 51OHM 5 1 16W AR810 0RRZVTA001B MNR14E0ABJ510 51OHM 5 1 16W AR811 0RRZVTA001B MNR14E0ABJ510 51OHM 5 1 16W AR812 0RRZVTA001B MNR14E0ABJ510 51OHM 5 1 16W AR813 0RRZVTA001B MNR14E0ABJ510 51OHM 5 1 16W AR814 0RRZVTA00...

Page 38: ...R03EZPJ202 2KOHM 5 1 10W R1449 0RJ2001D677 MCR03EZPJ202 2KOHM 5 1 10W R145 0RJ0822D677 MCR03EZPJ820 82OHM 5 1 10W DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1450 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W R1451 0RJ0102D677 MCR03EZPJ100 10OHM 5 1 10W R1452 0RJ0102D677 MCR03EZPJ100 10OHM 5 1 10W R1453 0RJ0102D677 MCR03EZPJ100 10OHM 5 1 10W R1454 0RJ0102D677 MCR03EZPJ100 10OHM 5 1 10W...

Page 39: ...D677 MCR03EZPJ820 82OHM 5 1 10W R1961 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W 1 DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1964 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W R1965 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W R1967 0RJ4701D677 MCR03EZPJ472 4 7KOHM 5 1 10 R197 0RJ1001D677 MCR03EZPJ102 1KOHM 5 1 10W R198 0RJ1001D677 MCR03EZPJ102 1KOHM 5 1 10W R199 0RJ0822D677 MCR03EZPJ820 82OHM ...

Page 40: ...2 4 7KOHM 5 1 10 R410 0RJ1501D677 MCR03EZPJ152 1 5KOHM 5 1 10 R411 0RJ4700D677 MCR03EZPJ471 470OHM 5 1 10W DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R412 0RJ0432D677 MCR03EZPJ430 43OHM 5 1 10W R413 0RJ0432D677 MCR03EZPJ430 43OHM 5 1 10W R414 0RJ1000D677 MCR03EZPJ101 100OHM 5 1 10W R415 0RJ1000D677 MCR03EZPJ101 100OHM 5 1 10W R416 0RJ0432D677 MCR03EZPJ430 43OHM 5 1 10W R418 0RJ1...

Page 41: ...200 20OHM 5 1 8W 2 R732 0RH0202D622 MCR10EZHJ200 20OHM 5 1 8W 2 R733 0RH0202D622 MCR10EZHJ200 20OHM 5 1 8W 2 DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R734 0RJ0562D677 MCR03EZPJ560 56OHM 5 1 10W R735 0RH0202D622 MCR10EZHJ200 20OHM 5 1 8W 2 R736 0RH0202D622 MCR10EZHJ200 20OHM 5 1 8W 2 R737 0RH0202D622 MCR10EZHJ200 20OHM 5 1 8W 2 R738 0RH0202D622 MCR10EZHJ200 20OHM 5 1 8W 2 R739 ...

Page 42: ...M 220uF 20 1 CE39 0CE227WF6DC MVK8 0TP16VC220M 220uF 20 1 CE4 0CE476WF6DC MVK6 3TP16VC47M 47uF 20 16V CE40 0CE107WF6DC MVK6 3TP16VC100M 100uF 20 1 CE41 0CE476WF6DC MVK6 3TP16VC47M 47uF 20 16V CE42 0CE227WF6DC MVK8 0TP16VC220M 220uF 20 1 CE43 0CE476WF6DC MVK6 3TP16VC47M 47uF 20 16V CE45 0CE227WF6DC MVK8 0TP16VC220M 220uF 20 1 CE5 0CE476WF6DC MVK6 3TP16VC47M 47uF 20 16V CE6 0CE476WF6DC MVK6 3TP16VC4...

Page 43: ...104K500CT 100nF 10 50V BC94 0CK104CK56A 0603B104K500CT 100nF 10 50V BC95 0CK104CK56A 0603B104K500CT 100nF 10 50V DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION BC96 0CK104CK56A 0603B104K500CT 100nF 10 50V BC97 0CK104CK56A 0603B104K500CT 100nF 10 50V BC98 0CK104CK56A 0603B104K500CT 100nF 10 50V BC99 0CK104CK56A 0603B104K500CT 100nF 10 50V C10 0CK104CK56A 0603B104K500CT 100nF 10 50V C...

Page 44: ...114 0RJ0472D677 MCR03EZPJ470 47OHM 5 1 10W R115 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W 1 DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R116 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W 1 R117 0RJ1002D677 MCR03EZPJ103 10KOHM 5 1 10W R118 0RJ4701D677 MCR03EZPJ472 4 7KOHM 5 1 10 R119 0RJ6200D677 MCR03EZPJ621 620OHM 5 1 10W R12 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W R120 0RJ2000D677 MCR03EZPJ2...

Page 45: ... 33OHM 5 1 10W R84 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W R85 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W R86 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W R87 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W R88 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W R89 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W R9 0RJ0332D677 MCR03EZPJ330 33OHM 5 1 10W R90 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W 1 R91 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W...

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Page 49: ...Sep 2006 Printed in Korea P NO MFL36002101 ...

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