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

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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

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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 methodSymbolrate 4.0Msymbols/s to 7.2Msymbols/s DVB-TGuard IntervalBitrateMbit/s 1/4, 1/8, 1/16, 1/325. 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 2. Digital TV Video TROUBLE SHOOTING GUIDE1. Check the booting Voltage 3. Analog TV Video 4. AV Video5. RGB Video 6. HDMI Video7. Audio of All iput 8. TV Audio9. AV Audio 10. RGB AudioTuner DVB- T/C BLOCK DIAGRAMS7LR2 LGE211A-T8 EXPLODED VIEW Copyright 2013 LG Electronics. Inc. All rights reserved 2013 S7LR22012 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF ISVDDC NormalFROM 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 CONTROL IR & LEDLVDS 51Pin LVDS Connector For FHD 60Hz30Pin LVDS Connector FOR FHD REVERSE10bit Change in S7LRHDMI EEPROM HDMI1HDMI2 For CECRS232C RS - 232CHEADPHONE RGB PCSIDE USB PC AUDIOS7LRDIVXMS10 DDR256DDR13331GHYNIX EAN61828901SFLASH REAR COMPONENT PHONE JACK F u l lS c a r t SCART AUDIO MUTEEXTSPEAKERAMP SPEAKER OUT JACKEXTSPK IC1800CI POWER ENABLE CONTROL CI RegionOption name of this page CI SLOT because of Hong Kong PCMCIGP4RGLOBALTUNERBLOCK TU2602TU2603 TDSS-G101D