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

LG Electronics 39LN548C/549C-ZA, 39LP360H-ZA Block Diagram, S7LR2 LGE211A-T8, Tuner DVB- T/C

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

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BLOCK DIAGRAM

DDR2 1Gb x 2

NAND Flash 1Gb

NVRAM

Side HDMI

HDMI2

HDMI1

Module

MAX3232

LVDS

74.25M

650M

TVLink

S7LR2 (LGE211A-T8)

Analog

Digital

RGB

COMP

SCART

USB

PC/COMP L/R

SPIDIF

Headphone

AMP

Amp

FE TS Parallel

Sub

Tuner DVB- T/C

Speaker

EXT Speaker

Copyright ©	LG Electronics. Inc. All rights reserved.	- 21 -	LGE Internal Use Only
Only for training and service purposes

Page 20

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LG Electronics 39LN548C/549C-ZA, 39LP360H-ZA, 39LN549C-ZA service manual Block Diagram, S7LR2 LGE211A-T8, Tuner DVB- T/C

Contents

SERVICE MANUAL READ THE SAFETY PRECAUTIONS IN THIS MANUALLED TV MODEL 39LP360H 39LN548C/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 Copyright9. AV Audio 10. RGB AudioOnly for training and service purposes CopyrightTuner DVB- T/C BLOCK DIAGRAMS7LR2 LGE211A-T8 7. Audio of All iput 8. TV AudioOnly for training and service purposes CopyrightEXPLODED 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