LG LG 42LH50 [TM][SM] free download

File name LG_42LH50_[TM][SM].pdf

1080P Direct View LCD 42LH50 Direct View LCD 42LH50 TABLE OF CONTENTS TOPICS PRELIMINARY ... 2 BACKLIGHT SECTION ... 29 MAIN BOARD SECTION ... 48 Outline ... 2 EEFL Introduction ... 30 Removing the Main board ... 49 Overview ... 3 EEFL to CCFL ... 31 Main board layout ... 50 Safety Notice and Cautions ... 4 Ballast Section of the SMPS ... 32 Front side component voltages ... 51 ESD Notice ... 5 Ballast Turn on signals ... 33 Main board (Back Side) layout ... 52 Regulatory Info... 5 P-DIM Effect on the drive ... 34 Back side component voltages ... 53 Contact Information ... 6 P201 Connector checks ... 35 Crystal checks ... 54 Handling and Safety ... 7 SK100 and SK101 checks ... 36 LD2400 functions ... 55 Basic Troubleshooting Steps ... 8 Tuner with shield off ... 56 T-CON SECTION ... 37 Tuner signal checks ... 57 PRODUCT INFORMATION ... 9 Removing the T-CON board ... 38 Clock and Data lines ... 58 Feature List ... 10 Removing the LVDS cables ... 39 P2400 connector check ... 59 Pixel Count Explained ... 11 Removing locking tabs ... 40 P1100 connector check ... 60 Product Logos ... 12 T-CON layout ... 41 P1101 connector check ... 61 Remote Control ... 13 T-CON component locations ... 42 P3400 connector check ... 62 Accessing Service Menu ... 14 T-CON voltage checks ... 43 P2300 connector check ... 63 Rear and Side Inputs ... 15 T-CON panel voltage generation .. 44 Software Download Screen ... 16 CN4 and CN5 voltage checks ... 45 FRONT IR AND LED ...