LG Electronics 42LN548C/549C Exploded View, Copyright, LG Electronics. Inc. All rights reserved

Page 22

EXPLODED VIEW

IMPORTANT SAFETY NOTICE

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and EXPLODED VIEW.

It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.

Do not modify the original design without permission of manufacturer.

	400
521					510
521
	540			120
LV1	530	123
		122
200
				910
					900
300		301	500	A10	* Stand Base+Body * Set + Stand
				A2

Copyright ©	LG Electronics. Inc. All rights reserved.	- 22 -	LGE Internal Use Only
Only for training and service purposes

Image 22

Contents LED TV SERVICE MANUALREAD THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL 42LP360H/361H 42LN548C/549CLG Electronics. Inc. All rights reserved Only for training and service purposesCopyright LGE Internal Use OnlyBefore returning the receiver to the customer SAFETY PRECAUTIONSGeneral Guidance Leakage Current Cold CheckAntenna Cold CheckSERVICING PRECAUTIONS Electrostatically Sensitive ES DevicesSmall-Signal Discrete Transistor Removal/Replacement IC Remove/ReplacementReplacement Removal1. Application range SPECIFICATION4. Model General Specification 3. Test methodGuard IntervalBitrateMbit/s Symbolrate 4.0Msymbols/s to 7.2Msymbols/sDVB-T 1/4, 1/8, 1/16, 1/325.2. RGB Input PC - HD Model 5. Video resolutions 2D5.1. Component Input Y, CB/PB, CR/PR 5.3. RGB Input PC - FHD Model5.3. HDMI InputPC/DTV PCDVI2. Designation ADJUSTMENT INSTRUCTION1. Application Range 3. Main PCB check process3.2. EDID Download After downloading, have to adjust Tool Option again3.1. ADC Process 3.3. EDID data4.1. White Balance adjustment 4. Total Assembly line process3.4 Function Check 6.1. Signal Table 5. GND and HI-POT Test6. Model name & Serial number D/L 4.5. Outgoing condition Configuration7.1. Communication Prot connection 7. CI+ key download6.3. Method & notice 7.2. CI+ Key Download8.1. External speaker8OHM, 1W, Single-End 8. Check Commercial Features8.2. IR OUT 1. Check the booting Voltage TROUBLE SHOOTING GUIDE2. Digital TV Video 3. Analog TV Video 4. AV Video5. RGB Video 6. HDMI Video7. Audio of All iput 8. TV Audio9. AV Audio 10. RGB AudioS7LR2 LGE211A-T8 BLOCK DIAGRAMTuner DVB- T/C EXPLODED VIEW 2012 2013 S7LR2Copyright 2013 LG Electronics. Inc. All rights reserved VDDC SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS Normal+1.5VDDR FROM LIPS & POWER B/DPowerDET +3.3VNormal780 mAIC501 NTP-7500LTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION CONTROL IR & LED30Pin LVDS Connector LVDS51Pin LVDS Connector For FHD 60Hz FOR FHD REVERSE10bit Change in S7LRHDMI2 HDMI EEPROMHDMI1 For CECRS232C RS - 232CSIDE USB HEADPHONERGB PC PC AUDIODDR13331GHYNIX S7LRDIVXMS10DDR256 EAN61828901SFLASH S c a r t REAR COMPONENT PHONE JACKF u l l SCART AUDIO MUTEEXTSPK EXTSPEAKERAMPSPEAKER OUT JACK IC1800Option name of this page CI SLOT because of Hong Kong CI POWER ENABLE CONTROLCI Region PCMCITU2603 GP4RGLOBALTUNERBLOCKTU2602 TDSS-G101D