Zenith 32LC2DA, Service Manual

Page 1: ...A Model Series CONTENTS Specifications 6 Adjustment Instructions 10 Trouble Shooting 13 Exploded View 23 Schematics Published Oct 2003 by Technical Publications LG Electronics USA Inc 201 James Record...

Page 2: ...2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 TROUBLE SHOOTING 15 BLOCK DIAGRAM 22 EXPLODED VIEW 23 REPLACEMENT PARTS LIST 29 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 l...

Page 4: ...ely 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 a...

Page 5: ...ot 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 c...

Page 6: ...idity 0 90 1 Application range 1 1 This spec sheet is applied all of the 32 37 42 LCD TV with LA63E chassis 1 2 Not included spec and each product spec in this spec sheet apply correspondingly to the...

Page 7: ...00 10 300 Test Signal Cool 11 000 12 000 13 000 HDMI input Warm 5 500 6 500 7 500 Daylight Cool85 IRE No Item Min Typ Max Unit Remark 1 White peak brightness 400 500 cd m2 HDMI input full white 2 Cont...

Page 8: ...28 32 DOS O 3 640 480 31 469 59 94 25 17 VESA VGA O 4 800 600 37 879 60 31 40 00 VESA SVGA O 5 1024 768 48 363 60 00 65 00 VESA XGA O 6 1280 768 47 776 59 87 79 50 VESA WXGA O 7 1360 768 47 712 60 01...

Page 9: ...HDTV 1080I 13 1920 1080 27 24 00 74 25 HDTV 1080P 14 1920 1080 33 75 30 00 74 25 HDTV 1080P 8 HDMI Input PC DTV 9 Mechanical specification 32LC2D 37LC2D No Item Content Remark 1 Product Dimenson Widt...

Page 10: ...key on the adjustment R C B 100 FULL WHITE PATTERN appears if pressing the OK key after selecting the 3 WHITE PATTERN with the CH KEY It is possible to heat run the set without a separate signal gene...

Page 11: ...Verity Jig Option Myson Transmit Speed Medium 3 Check Just do it with blank micom 4 PORT Chose Parallel Port normal LPT1 Attention You must chose EPP when select Rom BIAS at LPT 3 5 Download Method 1...

Page 12: ...RGB Pressing the Enter Key to adjust automatically 6 When the adjustment is over MST3361 Component Success is displayed If the adjustment has errors MST3361 Configuration Error is displayed 7 After t...

Page 13: ...01 01 66 21 50 B0 51 00 1B 30 40 70 40 36 00 C4 8E 21 00 00 1E 0E 1F 00 80 51 00 1E 30 50 40 80 37 00 C4 8E 21 00 00 1C 00 00 00 FD 00 38 60 4B 1F 3C 09 00 0A 20 20 20 20 20 20 00 00 00 FC 70 00 33 3...

Page 14: ...92 Warm Min Max Deci mal 64 64 64 Cool 64 64 64 Mid 64 64 64 Warm 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 00 10 01 03 80 73 41 96 0A CF 74 A3 57 4C B0 23 2...

Page 15: ...Language Off EZ Sound Normal Balance 0 Treble 50 Bass 50 Front Surround Off TV Speaker On 7 Timer Auto clock Off Manual Clock Off Off Timer Off On Timer Off Sleep Time Off Auto Off Off 8 Option Aspec...

Page 16: ...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 m...

Page 17: ...n you see the normal waveform After checking the Power of AV switch you should decide to replace AV switch or not Check the input Pin1 of LPF IC4006 Can you see the normal waveform After checking the...

Page 18: ...cking the Power of AV switch you should decide to replace AV switch or not Check the input Pin1 of LPF IC4006 Can you see the normal waveform After checking the Power of LPF you should decide to repla...

Page 19: ...switch you should decide to replace component switch or not Yes Check the input of MST3361 IC7004 Pin41 44 46 Can you see the normal waveform After checking the Power of MST3361 you should decide to...

Page 20: ...should decide to replace component switch or not Yes Check the input of MST3361 IC7004 Pin41 44 46 Can you see the normal waveform After checking the Power of MST3361 you should decide to replace MST3...

Page 21: ...e input of MST3361 IC7004 This signal is TMDS Can you see the normal waveform After checking the trace of TMDS lines and power of MST3361 you should decide to replace MST3361 or not Check the output o...

Page 22: ...BLOCK DIAGRAM 22...

Page 23: ...23 EXPLODED VIEW 32LC2DA 010 020 050 070 080 090 100 030 150 040 140 120 130 060 060 110...

Page 24: ...38 5 LUG EBR32682101 PCB Assembly SUB T T LA63E 32LC2D UE Side AV AUO DMS 6709900016C SMPS AC DC LGLP2637HEP 90VTO264V 215W 47TO63HZ UL CSA SEMKO YY AT H E YUYANG TELECOM CO LTD or 6709900016A Power S...

Page 25: ...25 EXPLODED VIEW 37LC2DA 010 020 070 111 110 120 130 140 150 160 170 100 090 080 060 050 040 030...

Page 26: ...0160B Plate FIX SIDE AV FOR 37LC2 68719ST914B PCB Assembly Sub SUB T T PA63E 42LC2DA UE AUSLZAX IR TOTAL ASSY 49509K0222A Plate PRESS SBHG T2 0 SUPPORT STAND 37LC2 35509K0217A Cover MOLD HIPS 37LC2 ST...

Page 27: ...27 EXPLODED VIEW 42LC2DA 010 020 090 110 120 130 140 150 030 040 080 100 070 061 061 060 050...

Page 28: ...W 8OHM 82DB 100HZ 193 X 57 X 50 LUG MACOM EAB30825601 Speaker Tweeter D013d02k1400 ND 15W 8OHM 84DB 0HZ 50 X 39 6 X 12 4 LUG 68719ST914B PCB Assembly Sub SUB T T PA63E 42LC2DA UE AUSLZAX IR TOTAL ASSY...

Page 29: ...VK6 3TP16VC100M 100uF 20 32LC2DA C6006 0CE476WF6DC MVK6 3TP16VC47M 47uF 20 16 37 42LC2DA C6007 0CK104BF56A C1005X7R104KET 100nF 10 16 37 42LC2DA C6010 0CE106WFKDC MVK4 0TP16VC10M 10uF 20 16 C6021 0CE1...

Page 30: ...0CK102BK56A 0402B102K500CT 1nF 10 50V C3067 0CK104BF56A C1005X7R104KET 100nF 10 16 DATE 2006 11 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C3068 0CK475CC94A C1608Y5V0J475ZT 4 7uF 20TO C4033 0CK...

Page 31: ...05KT 1uF 10 10V C2030 0CC471CK41A C1608C0G1H471JT 470pF 5 50 C3007 0CC080CK11A C1608C0G1H080DT 8pF 0 5PF 5 DATE 2006 11 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C3008 0CC080CK11A C1608C0G1H080...

Page 32: ...ISO206900A CXA2069Q 8 5TO9 5V 1 3W DATE 2006 11 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION IC7017 0IPRP00700A TPA3100D2PHPR 10TO26V 2 IC4007 0ISTLPH026A 74LVC14APW 1 2TO3 6V 0 01mA IC5004 0IPRPC...

Page 33: ...IY80001A 2SC3052 NPN 6V 50V 50V 200M 37 42LC2DA Q7012 0TR102009AJ KRC102S NPN 30V 0V 50V 100M Q7013 0TR102009AJ KRC102S NPN 30V 0V 50V 100M AR3021 0RJ1001C687 RCA86TRJ1K00 1KOHM 5 1 16W DATE 2006 11 0...

Page 34: ...RJ1001D477 MCR03EZPF102 1KOHM 1 1 10W DATE 2006 11 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R4184 0RJ1001D477 MCR03EZPF102 1KOHM 1 1 10W R4185 0RJ1001D477 MCR03EZPF102 1KOHM 1 1 10W R5001 0RJ0...

Page 35: ...01MZPJ000 0OHM 5 1 16W R2044 0RJ4991D477 MCR03EZPF4991 4 99KOHM 1 1 R2045 0RJ4991D477 MCR03EZPF4991 4 99KOHM 1 1 DATE 2006 11 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R2046 0RJ4991D477 MCR03EZ...

Page 36: ...ZPJ101 100OHM 5 1 16 R5020 0RJ1000C678 MCR01MZPJ101 100OHM 5 1 16 R5029 0RJ2201D677 MCR03EZPJ222 2 2KOHM 5 1 1 DATE 2006 11 06 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R5030 0RJ6800D677 MCR03EZPJ...

Page 37: ...MZPJ102 1KOHM 5 1 16W R7193 0RJ0182D677 MCR03EZPJ180 18OHM 5 1 10W R7196 0RJ0182D677 MCR03EZPJ180 18OHM 5 1 10W R7197 0RJ0182D677 MCR03EZPJ180 18OHM 5 1 10W R7198 0RJ0182D677 MCR03EZPJ180 18OHM 5 1 10...

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