Manuals / LG Electronics / TV and Video / Flat Panel Television

LG Electronics 549C-ZA AV Audio, RGB Audio, Copyright, LG Electronics. Inc. All rights reserved

Models: 42LN548C 42LP360H 361H-ZA 42LN548C/549C-ZA

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9. AV Audio

ʹΙΖΔΜ͑ΥΙΖ͑Ͳ·͑ΔΒΓΝΖ͑ΚΤ͑ΕΖΗΖΔΥΚΧΖ
Ί ΖΤ
ʹΙΖΔΜ͑ΥΙΖ͑ΤΚΘΟΒΝ͑ΠΗ͑ͻͼͧ͢͢͡	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑Ͳ·͑ͻΒΔΜ
΃ͧͩͥ͑͢͝΃ͧͩͦ͢		ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑Ͳ·͑ͻΒΔΜ
΃ͧͩͥ͑͢͝΃ͧͩͦ͢

Ί ΖΤ

ͺΞΡΝΖΞΖΟΥ͑ΥΙΖ͑גͩ͑͟ͲΦΕΚΠ͑ΠΗ͑ΒΝΝ͑ΚΟΡΦΥד͑

΀Η͑;ΒΝΗΦΟΔΥΚΠΟ͑ΘΦΚΕΖ

10. RGB Audio

ʹΙΖΔΜ͑ΥΙΖ͑ʹΠΞΡΠΟΖΟΥ͑ΔΒΓΝΖ͑ΚΤ͑ΕΖΗΖΔΥΚΧΖ
Ί ΖΤ
ʹΙΖΔΜ͑ΥΙΖ͑ΤΚΘΟΒΝ͑ΠΗ͑ͻͼͣ͢͢͡	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑Ͳ·͑ͻΒΔΜ
		ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑Ͳ·͑ͻΒΔΜ

Ί ΖΤ

ͺΞΡΝΖΞΖΟΥ͑ΥΙΖ͑גͩ͑͟ͲΦΕΚΠ͑ΠΗ͑ΒΝΝ͑ΚΟΡΦΥד͑

΀Η͑;ΒΝΗΦΟΔΥΚΠΟ͑ΘΦΚΕΖ

Copyright ©	LG Electronics. Inc. All rights reserved.	- 20 -	LGE Internal Use Only
Only for training and service purposes

Page 20

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LG Electronics 549C-ZA AV Audio, RGB Audio, Copyright, LG Electronics. Inc. All rights reserved, LGE Internal Use Only

Contents

SERVICE MANUAL READ THE SAFETY PRECAUTIONS IN THIS MANUALLED TV MODEL 42LP360H/361H 42LN548C/549COnly for training and service purposes CopyrightLG Electronics. Inc. All rights reserved LGE Internal Use OnlySAFETY PRECAUTIONS General GuidanceBefore returning the receiver to the customer Leakage Current Cold CheckAntenna Cold CheckSERVICING PRECAUTIONS Electrostatically Sensitive ES DevicesIC Remove/Replacement ReplacementSmall-Signal Discrete Transistor Removal/Replacement RemovalSPECIFICATION 4. Model General Specification1. Application range 3. Test methodSpecification Symbolrate 4.0Msymbols/s to 7.2Msymbols/sOnly for training and service purposes Remarks5. Video resolutions 2D 5.1. Component Input Y, CB/PB, CR/PR5.2. RGB Input PC - HD Model 5.3. RGB Input PC - FHD Model5.3. HDMI InputPC/DTV PCDVIADJUSTMENT INSTRUCTION 1. Application Range2. Designation 3. Main PCB check processAfter downloading, have to adjust Tool Option again 3.1. ADC Process3.2. EDID Download 3.3. EDID data3.4 Function Check 4. Total Assembly line process4.1. White Balance adjustment 5. GND and HI-POT Test 6. Model name & Serial number D/L6.1. Signal Table 4.5. Outgoing condition Configuration7. CI+ key download 6.3. Method & notice7.1. Communication Prot connection 7.2. CI+ Key Download8.2. IR OUT 8. Check Commercial Features8.1. External speaker8OHM, 1W, Single-End TROUBLE SHOOTING GUIDE 1. Check the booting Voltage2. Digital TV Video Only for training and service purposes3. Analog TV Video 4. AV VideoOnly for training and service purposes Copyright5. RGB Video 6. HDMI VideoOnly for training and service purposes Copyright7. Audio of All iput 8. TV AudioOnly for training and service purposes Copyright9. AV Audio 10. RGB AudioOnly for training and service purposes CopyrightTuner DVB- T/C BLOCK DIAGRAMS7LR2 LGE211A-T8 EXPLODED VIEW Only for training and service purposesCopyright LG Electronics. Inc. All rights reservedOnly for training and service purposes 2013 S7LR22012 . 11 Copyright 2013 LG Electronics. Inc. All rights reservedSYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF ISOnly for training and service purposes VDDCFROM LIPS & POWER B/D PowerDET+1.5VDDR +3.3VNormal780 mAIC501 NTP-7500LTHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATIONTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Only for training and service purposesLVDS 51Pin LVDS Connector For FHD 60Hz30Pin LVDS Connector Only for training and service purposesOnly for training and service purposes HDMI EEPROMHDMI1 HDMI2RS232C 2013 S7LR22012 . 11 RS - 232COnly for training and service purposes HEADPHONERGB PC SIDE USBOnly for training and service purposes S7LRDIVXMS102013 S7LR2 2012 . 11THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATIONTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Only for training and service purposesTHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATIONFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETICEXTSPEAKERAMP SPEAKER OUT JACKOnly for training and service purposes 2013 S7LR2Only for training and service purposes CI POWER ENABLE CONTROLCI Region Option name of this page CI SLOT because of Hong KongGP4RGLOBALTUNERBLOCK Only for training and service purposesTU2602 TU2603