LG 42LC2RR Series Service Manual Download

Page: 1 / 49

LCD TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : MF-056M
FACTORY MODEL : 42LC2RR-ZL

MODEL : 42LC2RR

website:http://biz.LGservice.com

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

Summary of Contents for 42LC2RR Series

Page 1: ... MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MF 056M FACTORY MODEL 42LC2RR ZL MODEL 42LC2RR website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 11 SVC REMOCON 17 TROUBLE SHOOTING GUIDE 18 AUDIO TROUBLE SHOOTING 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: ...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 the mai...

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: ... 28 010 020 050 100 130 060 070 090 080 120 140 160 150 030 040 070 071 071 170 EXPLODED VIEW ...

Page 29: ... EAB30825601 Speaker Tweeter D013d02k1400 ND 15W 8OHM 84DB 0HZ 50 X 39 6 X 12 4 LUG 68719ST500B PCB Assembly Sub SUB T T MF056L 42LC2RR ZL A PVR IR Assy 68719ST500F PCB Assembly Sub SUB T T MF056L 42LC2RR ZL A PVR IR Assy CKD 35519K0030B Cover Assembly 42LC2 STAND 35509K0220B SUPPORT 35519K0030D Cover Assembly 42LC2 STAND 35509K0220B SUPPORT C SKD 35519K0030E Cover Assembly 42LC2 ALL 42 LGENT LOCA...

Page 30: ...6 3TP16VC100M 100 C1194 0CE477WF6DC MVK10TP16VC470M 470u C1195 0CE107WF6DC MVK6 3TP16VC100M 100 C1199 0CE107WF6DC MVK6 3TP16VC100M 100 C120 0CE106SH6DC VMV106M025S0ANB010 1 C1200 0CE106SH6DC VMV106M025S0ANB010 1 C1201 0CE106SH6DC VMV106M025S0ANB010 1 C121 0CE106SH6DC VMV106M025S0ANB010 1 C122 0CZZTAT006H RV3 16V470ME55U R4 4 C1225 0CE106SH6DC VMV106M025S0ANB010 1 C123 0CZZTAT006H RV3 16V470ME55U R...

Page 31: ...500CT 100nF C1012 0CK104CK56A 0603B104K500CT 100nF C1013 0CK104CK56A 0603B104K500CT 100nF DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1014 0CK104CK56A 0603B104K500CT 100nF C1015 0CK103CK51A 0603B103K500CT 10nF C1016 0CK103CK51A 0603B103K500CT 10nF C1017 0CK103CK51A 0603B103K500CT 10nF C1018 0CK104CK56A 0603B104K500CT 100nF C102 0CH5010K116 0805N1R0D500LT 1pF 0 C1023 0CK104CK56A ...

Page 32: ... 0603B104K500CT 100nF C1229 0CK104CK56A 0603B104K500CT 100nF C1230 0CK105CF94A 0603F105Z160CT 1uF DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1231 0CK105CF94A 0603F105Z160CT 1uF C1232 0CK104CK56A 0603B104K500CT 100nF C1233 0CK104CK56A 0603B104K500CT 100nF C1234 0CK104CK56A 0603B104K500CT 100nF C1235 0CK104CK56A 0603B104K500CT 100nF C1236 0CK102CK56A 0603B102K500CT 1nF 1 C1237 0C...

Page 33: ...7nF C225 0CK103CK56A 0603B103K500CT 10nF C227 0CK104CK56A 0603B104K500CT 100nF C229 0CC271CK41A C1608C0G1H271JT 270p DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C230 0CC271CK41A C1608C0G1H271JT 270p C231 0CK104CK56A 0603B104K500CT 100nF C232 0CK272CK46A 0603B272J500CT 2 7nF C233 0CK103CK56A 0603B103K500CT 10nF C234 0CC101CK41A C1608C0G1H101JT 100p C239 0CK104CK56A 0603B104K500CT ...

Page 34: ...0603B104K500CT 100nF C749 0CK104CK56A 0603B104K500CT 100nF C751 0CK104CK56A 0603B104K500CT 100nF DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C753 0CK104CK56A 0603B104K500CT 100nF C754 0CK104CK56A 0603B104K500CT 100nF C755 0CK104CK56A 0603B104K500CT 100nF C756 0CK104CK56A 0603B104K500CT 100nF C757 0CK104CK56A 0603B104K500CT 100nF C758 0CK104CK56A 0603B104K500CT 100nF C759 0CK104CK...

Page 35: ...04CK56A 0603B104K500CT 100nF C993 0CC101CK41A C1608C0G1H101JT 100p R1952 0CK104CK56A 0603B104K500CT 100nF R1953 0CK104CK56A 0603B104K500CT 100nF DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION D1200 0DD184009AA KDS184 KDS184 TP KEC D1012 0DD200009AF RU2M 400V 1 2V 10UA D1013 0DD200009AF RU2M 400V 1 2V 10UA D1005 0DD226239AA KDS226 1 2V 85V 300M D1006 0DD226239AA KDS226 1 2V 85V 300M ...

Page 36: ...B 321611 0500P N2 L1133 6200J000013 MLB 321611 0500P N2 DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L114 6200JB8010L MLB 201209 1000L N2 L115 6200JB8010L MLB 201209 1000L N2 L119 6200JB8010L MLB 201209 1000L N2 L1204 6200J000013 MLB 321611 0500P N2 L1205 6200J000013 MLB 321611 0500P N2 L1206 6200J000013 MLB 321611 0500P N2 L1207 6200J000013 MLB 321611 0500P N2 L1208 6200J000013 M...

Page 37: ...SPECIFICATION AR702 0RJ0222C687 RCA86TRJ22R0 22OHM 5 AR703 0RJ0222C687 RCA86TRJ22R0 22OHM 5 AR704 0RJ0222C687 RCA86TRJ22R0 22OHM 5 AR705 0RJ0222C687 RCA86TRJ22R0 22OHM 5 AR806 0RRZVTA001B MNR14E0ABJ510 51OHM AR807 0RRZVTA001B MNR14E0ABJ510 51OHM AR808 0RRZVTA001B MNR14E0ABJ510 51OHM AR809 0RRZVTA001B MNR14E0ABJ510 51OHM AR810 0RRZVTA001B MNR14E0ABJ510 51OHM AR811 0RRZVTA001B MNR14E0ABJ510 51OHM AR...

Page 38: ...CR03EZPJ000 0OHM 5 R1444 0RJ1000D677 MCR03EZPJ101 100OHM R1445 0RJ0222D677 MCR03EZPJ220 22OHM 5 DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1446 0RJ0222D677 MCR03EZPJ220 22OHM 5 R1447 0RJ0000D677 MCR03EZPJ000 0OHM 5 R1448 0RJ2001D677 MCR03EZPJ202 2KOHM 5 R1449 0RJ2001D677 MCR03EZPJ202 2KOHM 5 R145 0RJ0822D677 MCR03EZPJ820 82OHM 5 R1450 0RJ0222D677 MCR03EZPJ220 22OHM 5 R1451 0RJ0...

Page 39: ...3EZPJ000 0OHM 5 R195 0RJ2700D677 MCR03EZPJ271 270OHM R1950 0RJ0000G676 MCR18EZHJ000_ 0OHM 5 R1951 0RJ0000G676 MCR18EZHJ000_ 0OHM 5 DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1957 0RJ0000D677 MCR03EZPJ000 0OHM 5 R196 0RJ0822D677 MCR03EZPJ820 82OHM 5 R1961 0RJ0000D677 MCR03EZPJ000 0OHM 5 R1964 0RJ0222D677 MCR03EZPJ220 22OHM 5 R1965 0RJ0222D677 MCR03EZPJ220 22OHM 5 R1967 0RJ4701D6...

Page 40: ...EZPJ430 43OHM 5 R408 0RJ4701D677 MCR03EZPJ472 4 7KOHM R409 0RJ4701D677 MCR03EZPJ472 4 7KOHM DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R410 0RJ1501D677 MCR03EZPJ152 1 5KOHM R411 0RJ4700D677 MCR03EZPJ471 470OHM R412 0RJ0432D677 MCR03EZPJ430 43OHM 5 R413 0RJ0432D677 MCR03EZPJ430 43OHM 5 R414 0RJ1000D677 MCR03EZPJ101 100OHM R415 0RJ1000D677 MCR03EZPJ101 100OHM R416 0RJ0432D677 MCR0...

Page 41: ...5 R730 0RJ1002D677 MCR03EZPJ103 10KOHM R731 0RH0202D622 MCR10EZHJ200 20OHM 5 DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R732 0RH0202D622 MCR10EZHJ200 20OHM 5 R733 0RH0202D622 MCR10EZHJ200 20OHM 5 R734 0RJ0562D677 MCR03EZPJ560 56OHM 5 R735 0RH0202D622 MCR10EZHJ200 20OHM 5 R736 0RH0202D622 MCR10EZHJ200 20OHM 5 R737 0RH0202D622 MCR10EZHJ200 20OHM 5 R738 0RH0202D622 MCR10EZHJ200 20O...

Page 42: ...T NO DESCRIPTION SPECIFICATION BC122 0CK104CK56A 0603B104K500CT 100nF BC123 0CK104CK56A 0603B104K500CT 100nF BC124 0CK104CK56A 0603B104K500CT 100nF BC125 0CK104CK56A 0603B104K500CT 100nF BC126 0CK104CK56A 0603B104K500CT 100nF BC127 0CK104CK56A 0603B104K500CT 100nF BC128 0CK104CK56A 0603B104K500CT 100nF BC129 0CK104CK56A 0603B104K500CT 100nF BC13 0CK104CK56A 0603B104K500CT 100nF BC130 0CK104CK56A 0...

Page 43: ...59 0CK104CK56A 0603B104K500CT 100nF C60 0CK104CK56A 0603B104K500CT 100nF C61 0CK104CK56A 0603B104K500CT 100nF DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C62 0CC471CK41A C1608C0G1H471JT 470p C63 0CC471CK41A C1608C0G1H471JT 470p C64 0CK104CK56A 0603B104K500CT 100nF C65 0CC271CK41A C1608C0G1H271JT 270p C66 0CC271CK41A C1608C0G1H271JT 270p C67 0CK104CK56A 0603B104K500CT 100nF C68 0C...

Page 44: ...0RJ0000D677 MCR03EZPJ000 0OHM 5 R145 0RJ4700D677 MCR03EZPJ471 470OHM R146 0RJ1002D677 MCR03EZPJ103 10KOHM DATE 2006 09 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R147 0RJ4700D677 MCR03EZPJ471 470OHM R148 0RJ1002D677 MCR03EZPJ103 10KOHM R149 0RJ0332D677 MCR03EZPJ330 33OHM 5 R15 0RJ1002D677 MCR03EZPJ103 10KOHM R150 0RJ0222D677 MCR03EZPJ220 22OHM 5 R151 0RJ0472D677 MCR03EZPJ470 47OHM 5 R152 0RJ...

Page 45: ...TO5 U15 0IPMGRH001B BA05FP 6TO25V 5V 1W U16 0IMCRRH001A BA033FP E2 4 3TO25V U17 0IPMGRH001D BA15BC0FP E2 3TO16V U18 0IPMG00027A SC156515M 1 8TR 2 2T U19 0IKE702700D KIA7027AF 0 3TO15V U2 0ISTLPH026A 74LVC14APW 1 2TO3 6V U3 0IMMR00080A HY57V161610ETP 6 16M U4 0IMMR00080A HY57V161610ETP 6 16M U5 0IMMR00080A HY57V161610ETP 6 16M U6 0IMMR00080A HY57V161610ETP 6 16M U7 0IPRP00726A MS8301 CMZ 3 3VTO3 3 ...

Page 46: ......

Page 47: ......

Page 48: ......

Page 49: ...Sep 2006 Printed in Korea P NO MFL36002103 ...

Search results

Summary of Contents for 42LC2RR Series

Reviews:

Related manuals for 42LC2RR Series

Brands by name

Popular brands

LG 42LC2RR Series, Service Manual

Search results

Summary of Contents for 42LC2RR Series

Reviews:

Related manuals for 42LC2RR Series

Brands by name

Popular brands