LG 42LA69**-Z* - Manuals - manualsarea.com

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; Before returning the receiver to the customer,; Leakage Current Cold Check(Antenna Cold 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

- 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 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 LD33B ch...

Page 13 - ADJUSTMENT INSTRUCTION; Automatic Adjustment

- 13 - 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 LD33B chassis. 2. Designation (1) Because this is not a hot chassis, it ...

Page 14 - SET

- 14 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 3.2.3. WIDEVINE key Inspection - Confirm key input data at the "IN START" MENU Mode. 3.3. LAN PORT INSPECTION(PING TEST) Connect SET → LAN port == PC → LAN Port 3.3.1. Eq...

Page 19 - Tool Option selection

- 19 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 4.7. LNB voltage and 22KHz tone check (only for DVB-S/S2 model) ▪ Test method (1) Set TV in Adj. mode using POWER ON. (2) Connect cable between satellite ANT and test JIG. (3) Pr...

Page 21 - BLOCK DIAGRAM

- 21 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes Au di o AM P LG E 21 22 C I S lo t P_ TS P_ TS T/ C D em od IF (+ /-) U SB 1 O PT IC LA N D D R 3 H D M I1 H D M I2 H D M I3 (M H L) An al og D em od SY ST EM E EP R O M H D M I ...

Page 22 - EXPLODED VIEW

- 22 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes A22 A10 AT 1 AG1 900 200 400 410 540 521 530 120 560 300 570 580 501 312 310 31 1 500 301 510 121 LV 1 LV 2 * Set + Stand AG2 Dual Play (Option) EXPLODED VIEW Many electrical and...