LG 37LP360H/361H-ZA - Manuals

Page 2 - CONTENTS

- 2 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes CONTENTS CONTENTS .............................................................................................. 2 SAFETY PRECAUTIONS ................................................

Page 3 - General Guidance; isolation Transformer should always be used; Before returning the receiver to the customer,; AC leakage current check; Leakage Current Cold Check(Antenna Cold Check); Do not use a line Isolation Transformer during this check.; Leakage Current Hot Check circuit; IMPORTANT SAFETY NOTICE; SAFETY PRECAUTIONS

- 3 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Exploded View. It is e...

Page 4 - SERVICING PRECAUTIONS; CAUTION

- 4 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this ...

Page 5 - IC Remove/Replacement; Removal; Circuit Board Foil Repair; At IC Connections

- 5 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent flat against the cir- cuit foil. When holes are...

Page 6 - SPECIFICATION; Requirement for Test

- 6 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. 1. Application range This specification is applied to the LED TV used LD3AC ch...

Page 9 - DTV

- 9 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 5.3. HDMI Input(PC/DTV) No. Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remark PC(DVI) DDC 1 640*350 31.468 70.09 25.17 EGA X 2 720*400 31.469 70.08 28.32 DOS O 3...

Page 10 - ADJUSTMENT INSTRUCTION; Main PCB check process

- 10 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes ADJUSTMENT INSTRUCTION 1. Application Range This specification sheet is applied to all of the LED TV with LD3AC chassis. 2. Designation (1) The adjustment is according to the ord...

Page 11 - * If ADC processes as OTP, There is no need to proceed

- 11 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes * After downloading, have to adjust Tool Option again. (1) Push "IN-START" key in service remote control. (2) Select "Tool Option 1" and push "OK" key. (3...

Page 12 - Total Assembly line process

- 12 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes (5) Detail EDID Options are below a. Product ID b. Serial No: Controlled on production line. c. Month, Year: Controlled on production line: ex) Week : '01' -> '01' Year : '201...

Page 16 - TROUBLE SHOOTING GUIDE; Check the booting Voltage

- 16 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes TROUBLE SHOOTING GUIDE 1. Check the booting Voltage ;Β ΜΖ ͑ΤΦΣΖ͑Υ ΙΖ͑΄ΥΒΟΕ͞ΓΪ ͑·ΠΝΥΒΘΖ΁ ͥͤ͑ͪ͡ίͣ͢ΡΚΟ ͑ͫ͑ͤͦ͜͟· ΐ΄ ΅ ͑ ;Β ΜΖ ͑ΤΦΣΖ͑Υ ΙΖ͑;ΚΔΠΞ͑Χ ΠΝΥΒΘΖͽͥͥ͑ͫ͑ͤͦ͜͟͡· ΐ΄ ΅ ͑ ;Β ΜΖ ͑ΤΦΣΖ...

Page 21 - CI; Tuner; BLOCK DIAGRAM

- 21 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes S 7L R 2 (LGE211A-T8) A n al og CI FE _T S _P ara lle l C I A M P S pe ak er N V R AM EX T S pe ak er D ig ita l Tuner D V B -T /C D D R 2 1G b x 2 N A N D Fl as h 1G b RG B S C ...

Page 22 - EXPLODED VIEW

- 22 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 900 200 400 540 521 530 301 500 910 120 300 510 123 122 LV 1 A2 A10 * Set + Stand * Stand Base + Body EXPLODED VIEW Many electrical and mechanical parts in this chassis have spec...

Page 24 - N o r m a l 2 . 5 V

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. D1-_HDMI2 0...

Page 25 - POWER; S 7 L R c o r e 1 . 2 V v o l t

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. + 3 . 5 V _...

Page 27 - CONTROL

1 0 0 0 p F 50V C603 + 3 . 5 V _ S T LED_R 0 . 1 u F 16V C602 10K 1% R603 1 0 0 p F 50V C604 0 . 1 u F C609 CONTROL_FILTER + 3 . 5 V _ S T 0 . 1 u F C608 CONTROL_FILTER + 3 . 5 V _ S T 2 2 R604 10K 1% R602 KEY1 47K R607 I R KEY2 5 . 6 V D603 BLM18PG121SN1D L601 CONTROL_FILTER BLM18PG121SN1D L602 CON...

Page 28 - LVDS; C h a n g e i n S 7 L R

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. RXB4+ 10K O...

Page 31 - SPDIF OPTIC JACK

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. USB DOWN ST...

Page 34 - REAR JACK

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. SC1_ID SC1_...

Page 35 - SPEAKER OUT JACK

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 1 u F 50V E...

Page 36 - * O p t i o n n a m e o f t h i s p a g e : C I _ S L O T; PCMCI

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FORTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 0 . 1 u F16...