LG Electronics 42LN548C/549C-ZA Analog TV Video, AV Video, Copyright, LGE Internal Use Only

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3. Analog TV Video

3. Analog TV Video

	ʹΙΖΔΜ͑ΥΙΖ͑΃ͷ͑ΔΒΓΝΖ͑ΒΟΕ͑΃ͷ͑ΤΚΘΟΒΝ͑
	Ί ΖΤ
	ʹΙΖΔΜ͑ΥΙΖ͑΅ΦΟΖΣ͑ͤͤ͟· ͑	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑ͽͤͨͤ͡
	ʹΙΖΔΜ͑ΥΙΖ͑΅ΦΟΖΣ͑ͤͤ͟· ͑
	ͬ͑ͽͤͨͤ͡
	Ί ΖΤ
	ʹΙΖΔΜ͑ΥΙΖ͑΅ΦΟΖΣ͑ͩ͢͟·	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑ͺʹͤͨͤ͡
	ʹΙΖΔΜ͑ΥΙΖ͑΅ΦΟΖΣ͑ͩ͢͟·	ͿΠ
	ͺʹͤͨͤ͑ͣ͡ΡΚΟ͑ͫ͑ͩ͢͟·
	Ί ΖΤ
	ʹΙΖΔΜ͑ΥΙΖ͑ʹ· ͳ΄͑ΤΚΘΟΒΝ͑	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑΅ΦΟΖΣ
	ʹΙΖΔΜ͑ΥΙΖ͑ʹ· ͳ΄͑ΤΚΘΟΒΝ͑	ͿΠ
	΅Άͤͨͥ͑ͩ͡ΡΚΟ
	Ί ΖΤ
	ʹΙΖΔΜ͑ΥΙΖ͑ͽ· ͵΄͑ΠΦΥΡΦΥ͑ΤΚΘΟΒΝ͑ΠΗ͑;ΤΥΒΣ͑ͺʹ	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑;ΤΥΒΣ͙ͺʹ͚͢͢͡
	ʹΙΖΔΜ͑ΥΙΖ͑ͽ· ͵΄͑ΠΦΥΡΦΥ͑ΤΚΘΟΒΝ͑ΠΗ͑;ΤΥΒΣ͑ͺʹ	ͿΠ	΀Σ͑;ΒΚΟ͑ΓΠΒΣΕ
			΀Σ͑;ΒΚΟ͑ΓΠΒΣΕ

4. AV Video

;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ΚΟΡΦΥ͑ΤΚΘΟΒΝ͑ΥΪΡΖ͑ΒΟΕ͑

΀ΦΣ͑΅·͑ΔΒΟ͑ΤΦΡΡΠΣΥ͑ΥΙΖ͑ΤΚΘΟΒΝ

Ί ΖΤ
ʹΙΖΔΜ͑ΥΙΖ͑Ͳ·͑ΔΒΓΝΖ͑ΕΖΗΖΔΥ͑ΠΣ͑
Τ ΥΒΥΦΤ͑ΠΗ͑ΔΠΟΕΦΔΥΠΣ
Ί ΖΤ
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ͻͼͧͥ͑͢͡͝ʹ· ͳ΄͑ΤΚΘΟΒΝ	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑Ͳ·͑ͻΒΔΜ
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ͻͼͧͥ͑͢͡͝ʹ· ͳ΄͑ΤΚΘΟΒΝ	ͿΠ
Ί ΖΤ
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ʹ·ͳ΄ΐ͵Ͷ΅͑ΤΚΘΟΒΝ	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑΃ͧͧ͢͡
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ʹ·ͳ΄ΐ͵Ͷ΅͑ΤΚΘΟΒΝ	ͿΠ

Ί ΖΤ

;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ͽ·͵΄͑ΠΦΥΡΦΥ͑ΤΚΘΟΒΝ͑ΠΗ͑;ΤΥΒΣ͑ͺʹ ͿΠ ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑;ΤΥΒΣ͙ͺʹ͚͢͢͡ ΀Σ͑;ΒΚΟ͑ΓΠΒΣΕ

Copyright ©	LG Electronics. Inc. All rights reserved.	- 17 -	LGE Internal Use Only
Only for training and service purposes

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Contents READ THE SAFETY PRECAUTIONS IN THIS MANUAL SERVICE MANUALLED TV MODEL 42LP360H/361H 42LN548C/549CCopyright Only for training and service purposesLG Electronics. Inc. All rights reserved LGE Internal Use OnlyGeneral Guidance SAFETY PRECAUTIONSBefore returning the receiver to the customer Leakage Current Cold CheckAntenna Cold CheckElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSReplacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Removal4. Model General Specification SPECIFICATION1. Application range 3. Test methodDVB-T Symbolrate 4.0Msymbols/s to 7.2Msymbols/sGuard IntervalBitrateMbit/s 1/4, 1/8, 1/16, 1/325.1. Component Input Y, CB/PB, CR/PR 5. Video resolutions 2D5.2. RGB Input PC - HD Model 5.3. RGB Input PC - FHD ModelPCDVI 5.3. HDMI InputPC/DTV1. Application Range ADJUSTMENT INSTRUCTION2. Designation 3. Main PCB check process3.1. ADC Process After downloading, have to adjust Tool Option again3.2. EDID Download 3.3. EDID data3.4 Function Check 4. Total Assembly line process4.1. White Balance adjustment 6. Model name & Serial number D/L 5. GND and HI-POT Test6.1. Signal Table 4.5. Outgoing condition Configuration6.3. Method & notice 7. CI+ key download7.1. Communication Prot connection 7.2. CI+ Key Download8.2. IR OUT 8. Check Commercial Features8.1. External speaker8OHM, 1W, Single-End 2. Digital TV Video TROUBLE SHOOTING GUIDE1. Check the booting Voltage 4. AV Video 3. Analog TV Video6. HDMI Video 5. RGB Video8. TV Audio 7. Audio of All iput10. RGB Audio 9. AV AudioTuner DVB- T/C BLOCK DIAGRAMS7LR2 LGE211A-T8 EXPLODED VIEW Copyright 2013 LG Electronics. Inc. All rights reserved 2013 S7LR22012 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESVDDC NormalPowerDET FROM LIPS & POWER B/D+1.5VDDR +3.3VNormal780 mANTP-7500L IC501SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC CONTROL IR & LED51Pin LVDS Connector For FHD 60Hz LVDS30Pin LVDS Connector FOR FHD REVERSE10bit Change in S7LRHDMI1 HDMI EEPROMHDMI2 For CECRS - 232C RS232CRGB PC HEADPHONESIDE USB PC AUDIODDR256 S7LRDIVXMS10DDR13331GHYNIX EAN61828901SFLASH F u l l REAR COMPONENT PHONE JACKS c a r t SCART AUDIO MUTESPEAKER OUT JACK EXTSPEAKERAMPEXTSPK IC1800CI Region CI POWER ENABLE CONTROLOption name of this page CI SLOT because of Hong Kong PCMCITU2602 GP4RGLOBALTUNERBLOCKTU2603 TDSS-G101D