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LG Electronics 39LN548C/549C Control Ir & Led, 2013 S7LR2, 2012 . 11, Ir/Control, Ir Out

Models: 39LP360H-ZA 39LN549C-ZA 39LN548C/549C-ZA 39LN548C 39LN548C/549C

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Page 27

CONTROL

CONTROL

IR & LED

+3.5V_ST
		CONTROL_NO_FILTER
R602	R603	R614
R602	R603	0
10K	10K
1%	1%	CONTROL_FILTER
		L601
		BLM18PG121SN1D
KEY1						P600
		L602				P600
		L602				12507WR-08L
		BLM18PG121SN1D	CONTROL_FILTER			12507WR-08L
KEY2			CONTROL_FILTER
KEY2
		CONTROL_FILTER		CONTROL_FILTER
				CONTROL_FILTER
		R615	C608	C609		1
		0	0 . 1 u F	0 . 1 u F
		CONTROL_NO_FILTER				2
						2
			+3.5V_ST			3
				L600
			BLM18PG121SN1D
						4
				C602	C603
				0 . 1 u F	1000pF
				16V	50V	5
				R610
		LED_R		1.8K		6
		LED_R				6
			+3.5V_ST			7
			R607			8
			47K
			R604			9
		IR	22			9
		IR
					C604	D603
					100pF	D603
					50V	5.6V
IR OUT
		+3.5V_ST
	IR_OUT		+3.5V_ST
		R606	+3.5V_ST
		R606
IR_OUT		10K
R605		IR_OUT
22		IR_OUT
22			R608
IR_OUT		IR_OUT	R608
IR_OUT			47K

Q600 C		R609
Q600 C		10K
2SC3052		B		IR_OUT
2SC3052	E			IR_OUT
IR_OUT	E			R612
IR_OUT				R612
			C	47K
			IR_OUT	B
		R611	Q601 E
		0	2SC3052

OPT

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES

SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.

FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR

THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

							2013 S7LR2														2012 . 11 . 12




							IR/CONTROL														6

Copyright © 2013 LG Electronics. Inc. All rights reserved.	LGE Internal Use Only
Only for training and service purposes

Image 27

LG Electronics 39LN548C/549C Control Ir & Led, The Symbol Mark Of This Schemetic Diagram Incorporates, 2013 S7LR2, Ir Out

Contents

MODEL 39LP360H 39LN548C/549C SERVICE MANUALREAD THE SAFETY PRECAUTIONS IN THIS MANUAL LED TVLGE Internal Use Only Only for training and service purposesCopyright LG Electronics. Inc. All rights reservedLeakage Current Cold CheckAntenna Cold Check SAFETY PRECAUTIONSGeneral Guidance Before returning the receiver to the customerElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSRemoval IC Remove/ReplacementReplacement Small-Signal Discrete Transistor Removal/Replacement3. Test method SPECIFICATION4. Model General Specification 1. Application rangeOnly for training and service purposes SpecificationSymbolrate 4.0Msymbols/s to 7.2Msymbols/s Interactive mode support5.3. RGB Input PC - FHD Model 5. Video resolutions 2D5.1. Component Input Y, CB/PB, CR/PR 5.2. RGB Input PC - HD ModelPCDVI 5.3. HDMI InputPC/DTV3. Main PCB check process ADJUSTMENT INSTRUCTION1. Application Range 2. Designation3.3. EDID data After downloading, have to adjust Tool Option again3.1. ADC Process 3.2. EDID Download4. Total Assembly line process 4.1. White Balance adjustment3.4 Function Check 4.5. Outgoing condition Configuration 5. GND and HI-POT Test6. Model name & Serial number D/L 6.1. Signal Table7.2. CI+ Key Download 7. CI+ key download6.3. Method & notice 7.1. Communication Prot connection8. Check Commercial Features 8.1. External speaker8OHM, 1W, Single-End8.2. IR OUT Only for training and service purposes TROUBLE SHOOTING GUIDE1. Check the booting Voltage 2. Digital TV VideoCopyright 3. Analog TV Video4. AV Video Only for training and service purposesCopyright 5. RGB Video6. HDMI Video Only for training and service purposesCopyright 9. AV Audio10. RGB Audio Only for training and service purposesBLOCK DIAGRAM S7LR2 LGE211A-T8Tuner DVB- T/C Copyright 7. Audio of All iput8. TV Audio Only for training and service purposesLG Electronics. Inc. All rights reserved EXPLODED VIEWOnly for training and service purposes CopyrightCopyright 2013 LG Electronics. Inc. All rights reserved Only for training and service purposes2013 S7LR2 2012 . 11VDDC SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS Only for training and service purposes+3.3VNormal780 mA FROM LIPS & POWER B/DPowerDET +1.5VDDRNTP-7500L IC501Only for training and service purposes THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETICOnly for training and service purposes LVDS51Pin LVDS Connector For FHD 60Hz 30Pin LVDS ConnectorHDMI2 Only for training and service purposesHDMI EEPROM HDMI1RS - 232C RS232C2013 S7LR2 2012 . 11SIDE USB Only for training and service purposesHEADPHONE RGB PC2012 . 11 Only for training and service purposesS7LRDIVXMS10 2013 S7LR2Only for training and service purposes THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETICTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS2013 S7LR2 EXTSPEAKERAMPSPEAKER OUT JACK Only for training and service purposesOption name of this page CI SLOT because of Hong Kong Only for training and service purposesCI POWER ENABLE CONTROL CI RegionTU2603 GP4RGLOBALTUNERBLOCKOnly for training and service purposes TU2602