LG 15LC1R-ZG Service Manual Download Page 6 | Manualshive

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DISASSEMBLY

#1

#2 Detached stand assy (Remove the screws)

#3 Disassembly stand assy

#4 Detached Backcover (Remove the screw)

#5 Open the Backcover's latch with jig

#6 Unlock latch between Cabinet and Backcover

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Summary of Contents for 15LC1R-ZG

Page 1: ...D TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS CL 81 MODEL 15LC1R ZG website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...ENTS 2 PRODUCT SAFETY 3 DISASSEMBLY 6 SPECIFICATION 7 ADJUSTMENT INSTRUCTION 12 SERVICE OSD 14 SVC REMOCON 15 TROUBLE SHOOTING 16 BLOCK DIAGRAM 20 WIRING DIAGRAM 22 EXPLODED VIEW 23 REPLACEMENT PARTS LIST 25 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: ...y 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 grounded ...

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: ... 6 DISASSEMBLY 1 2 Detached stand assy Remove the screws 3 Disassembly stand assy 4 Detached Backcover Remove the screw 5 Open the Backcover s latch with jig 6 Unlock latch between Cabinet and Backcover ...

Page 7: ...o Item Specification Remark 1 TFT Color LCD Module 15 0 inches 380 16mm diagonal Aspect 4 3 0 297mm H x0 297mm V xRGB LVDS 6BIT 16 777 216 colors 332 8 H x 262 2 V x 18 D Anti Glare HAZE 3 Hard Coating 3H Normally Black 4 CCFL 4 lamps R T 5ms F T 11ms Typ LPL NOTE Specifications and others are subject to change without notice for improvement No 1 Product Width W Lengh D Height H Dimension Before P...

Page 8: ...04 0 316 No 1 2 3 4 5 Reference table Function No Item Specification Remark 1 Teletext TOP FLOF TOP option 2 REMOCON NEC Code PAL 3 AV Input 1 Rear 4 S Video Input 1 Rear 5 Component Input 1 Rear Option Non EU 6 PERI TV Connector Full SCART 1 Rear Option EU 7 RGB Input 1 D Sub 15 pin 8 H P Input 1 Rear 9 PC Audio Input 1 10 RS 232 YES Only Commercial Model 11 Discrete IR YES Only Commercial Model ...

Page 9: ... Program Manual Program Program Edit Favorite Program None 7 Picture PSM Dynamic CSM Normal Dynamic Contrast 100 Brightness 50 Colour 70 Sharpness 50 Tint 0 NTSC OPTION 8 Sound SSM Flat AVL Off Balance 0 9 Special Input TV Child Lock Off Power Indicator On Language English Area Management 10 Time Clock Off Time Off On Time Pr 1 Vol 30 Off Auto Sleep Off ...

Page 10: ... Off Off Spectification 1 RED 3 Blue 5 S T GND 7 Green GND 9 N C 11 ID0 GND 13 H Sync 15 SCL 1 Contrast Brightness 2 H Position V Position 3 Tracking Clock Phase 4 Auto Configure 5 RESET 1 Y 3 Pb 5 Pr 2 Green 4 ID2 GND 6 RED GND 8 Blue GND 10 D GND 12 SDA 14 V Sync Shell GND 10 Digital GND PAL Multi Only Video Active Off Power Consumption 40W 2W 0W Item Specification Remark No LED Color BLUE AMBER...

Page 11: ...nsk 01 deutsch 09 suomi 02 francais 10 portugues 03 italiano 11 romaneste 04 espanol 12 polski 05 nederlands 13 magyar 06 svenska 14 chesky 07 norsk 15 pyccknn 2 TG 00 english 01 deutsch 02 francais 03 italiano 04 espanol 05 pyccknn 06 chineese 3 TXT Lang 0 According to Nation 0 WEST EU English Deutsch Svenska Italiano Francais Espanol Turkey 1 EAST EU Polski Deutsch Estonia Slovenia Chesky Romane...

Page 12: ...try again and again 2 5 7 After finishing ISP Must AC Off ON 8 Amber LED is blink during write default value in EEPROM 24C32 9 ALL ISP process is finished when Amber LED is off and Blue LED is ON EEPROM 24C32 write 3 3 ADC Process IIC_ SW must set 0 for Auto Adjust After ISP automatically set 0 3 3 1 PC input ADC 3 3 1 1 Auto Gain Offset Adjustment Convert to PC in Input source Signal equipment di...

Page 13: ...l 9300K Confirm whether x 0 283 0 030 y 0 298 0 03 or not After Confirming color coordinate and luminance IIC_ SW must set 1 4 4 Other quality Confirm that each items satisfy under standard condition that was written product spec Confirm Video and Sound at each source 1 AV Select input AV1 and whether picture is displayed or not Select input AV2 and whether picture is displayed or not Select input...

Page 14: ... factory side 1 EDID Read and Write and shipping condiition Write Protect 0 EDID write 1 EDID write protection Full Reset Factory Reset 200X 0X 0X Firmware update date PAL XX inchi LOC Ver Video Audio Decoder Firmware Version Sedna Ver Scaler Firmware Version How to enter SVC Menu 1 Push IN Start key in SVC remote controller 2 Push Menu key in remote controller over 5 seconds the while pushing Men...

Page 15: ...o move channel up down or to select a functiondisplayed on the screen 16 VOL To adjust the volume or accurately control a specific function 17 ENTER To set a specific function or complete setting 18 CH OP1 To use as a red key in the teletext mode 19 CH OP2 To use as a green key in the teletext mode 20 SWAP OP3 To use as a yellow key in the teletext mode 21 INPUT OP4 To use as a blue key in the tel...

Page 16: ...off Check short of main B D or Change Lips Change U406 Change LED Assy Check 15V or 5V of Lips Check Output of U406 Check LED Assy Check J103 J125 J126 Connector Fail Fail Change Q402 Check Output of Q402 Fail Pass Fail Pass Pass Pass A Process ...

Page 17: ...7 U409 Check inverter Connector or inverter Check input source cable and jack Repeat A PROCESS Fail Change U401 U405 U407 U409 Fail Change U301 Fail Change inverter connector or inverter Fail Change panel link cable or module Fail Check panel link Cable or module Pass Pass Pass Pass Pass B Process ...

Page 18: ...12 R194 R198 R184 Repeat A Process Check the output of TU701 Check the input output of U301 Check the input output of U101 Check input source cable and jack Fail Fail Fail Fail Re soldering or Change the defect part Check X301 Fail Re soldering or Change the defect part Check 5V 33V of TU701 Re soldering or Change the defect part Pass Pass Pass Pass ...

Page 19: ...input Check the input source Fail Pass Re soldering or Change the defect part Check X301 Check the input output of U301 Fail Pass Re soldering or Change the defect part Check the input output of U201 Fail Pass Change speaker Check the speaker Fail Pass ...

Page 20: ... 20 BLOCK DIAGRAM ...

Page 21: ...l like Contrast Brightness Sharpness Color tint signals including Adaptive Comb Filter 2 Audio Decoder This block analyzes audio input signal through A V Jack and PC audio and Tuner IF The analyzed signals transmitted to audio amplifier On decoding We can control signal like Bass treble 3 IF Decoder This block can change IF signal to audio and video signal that transmitted to Video audio decoder 4...

Page 22: ... 22 WIRING DIAGRAM 5 7 3 4 6 6 2 6631T20010F 3P 6631V00040A 2P 6631900024D 3P 6631900042B 11P 6631T20029S 5P 6631900026B 4P 6631900026B 4P 1 6631T11012R 20P ...

Page 23: ... 23 EXPLODED VIEW 010 060 020 070 080 090 100 030 120 110 050 040 041 ...

Page 24: ...8719ST957A PWB PCB ASSEMBLY SUB SUB T T CL81 15LC1R SNRULFT LED IR 68719ST956A PWB PCB ASSEMBLY SUB SUB T T CL81 15LC1R SNRULFT CONTROL 49519S0004F METAL ASSEMBLY FRAME MAIN ASSY 15LC1 LPL TN C SKD 6871TPT318A PWB PCB ASSEMBLY POWER MFT 4 LAMP POWER TOTAL BRAND 33139P1006A MAIN TOTAL ASSEMBLY 15LC1R ZG SNRULFT BRAND CL 81 49519K0117A METAL ASSEMBLY SHIELD AV 15LC1 6400GTTX02A SPEAKER FULLRANGE EF1...

Page 25: ...50V 10 X7R 2012 R TP C3064 0CH3474H946 0 47UF 25V 80 20 F Y5V C3082 0CK225DH94A 2 2UF 2012 25V 80 20 F Y C3083 0CK225DH94A 2 2UF 2012 25V 80 20 F Y C3084 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C3093 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C3102 0CK475DD57A 4 7UF 2012 10V 10 X5R R TP C313 0CH3104K566 0 1UF 50V 10 X7R 2012 R TP C331 0CH3103K516 10000PF 50V 10 B Y5P 2012 C332 0CH3104K566 0 1UF 50V 10 ...

Page 26: ...7 0CK103CK51A 0 01UF 1608 50V 10 R TP B C710 0CK103CK51A 0 01UF 1608 50V 10 R TP B C114 0CH6470K416 47PF 2012 50V 5 NP0 R TP DATE 2005 11 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C115 0CH6470K416 47PF 2012 50V 5 NP0 R TP C116 0CH6101K416 100PF 50V 5 NP0 2012 R TP C150 0CH6101K416 100PF 50V 5 NP0 2012 R TP C156 0CH6680K416 68PF 2012 50V 5 NP0 R TP C191 0CH6331K416 330PF 2012 50V 5 NP0 R TP ...

Page 27: ...ZD151 0DZ560009DA UDZ S 5 6B TP ROHM K SOD323 ZD703 0DZRM00448A UDZS33B ROHM REEL TAPING UM ZD704 0DZRM00448A UDZS33B ROHM REEL TAPING UM DATE 2005 11 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION ZD101 0DZ560009DA UDZ S 5 6B TP ROHM K SOD323 ZD105 0DZ560009DA UDZ S 5 6B TP ROHM K SOD323 ZD106 0DZ560009DA UDZ S 5 6B TP ROHM K SOD323 ZD108 0DZ560009DA UDZ S 5 6B TP ROHM K SOD323 ZD110 0DZ560009D...

Page 28: ...E 2005 11 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R1028 0RH3900D622 390 OHM 1 10 W 2012 5 00 R1029 0RH3900D622 390 OHM 1 10 W 2012 5 00 R1031 0RH1500D622 150 OHM 1 10 W 2012 5 00 R1032 0RH0752D622 75 OHM 1 10 W 2012 5 00 R1033 0RH0752D622 75 OHM 1 10 W 2012 5 00 R1034 0RH0752D622 75 OHM 1 10 W 2012 5 00 R1039 0RH1001D622 1K OHM 1 10 W 2012 5 00 R1040 0RH1001D622 1K OHM 1 10 W 2012 5 00 R1...

Page 29: ...0D622 470 OHM 1 10 W 2012 5 00 R705 0RH1000D622 100 OHM 1 10 W 2012 5 00 DATE 2005 11 13 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R706 0RH1000D622 100 OHM 1 10 W 2012 5 00 R711 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R715 0RH0000D622 0 OHM 1 10 W 2012 5 00 D R728 0RH1501D622 1 5K OHM 1 10 W 2012 5 00 R740 0RH4702D622 47K OHM 1 10 W 2012 5 00 R741 0RH4700D622 470 OHM 1 10 W 2012 5 00 R742 0RH1002...

Page 30: ... 4 7K OHM 1 10 W 5 1608 R T R534 0RJ4701D677 4 7K OHM 1 10 W 5 1608 R T R714 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R720 0RJ1201D677 1200 OHM 1 10 W 5 1608 R T R729 0RJ4702D677 47000 OHM 1 10 W 5 1608 R R770 0RJ0562D677 56 OHM 1 10 W 5 1608 R TP R771 0RJ1501D677 1 5K OHM 1 10 W 5 1608 R T R773 0RJ3000D677 300 OHM 1 10 W 5 1608 R TP R774 0RJ0682D677 68 OHM 1 10 W 5 1608 R TP X301 6202TST003G HC 49 ...

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Page 36: ...Nov 2005 Printed in Korea P NO 38289S0022X ...

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