Service Manuals, User Guides, Schematic Diagrams or docs for : LG Monitor LG_42PG20_startup_sequence_[TM]

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.

Image preview - the first page of the document

>> Download LG_42PG20_startup_sequence_[TM] documenatation <<

Text preview - extract from the document
                                   50PG20/42PG20 POWER SUPPLY
                                TURN ON COMMANDS FROM MAIN PWB

                                                                                                       M5V (DC Voltage)
                                                                                     Reg               To Y-SUS, then to
                                                                                                         Control PWB.
                            In Stand-By            In Run (Relay On)                          8
           AC In           Primary side is           Primary side is
                                90V                      370V                        Vs               Vs/Va (DC Voltage)
1                    Stand
                                                   5        12V/16V              9

                   By 5V Reg                               Regulators                Va               To Y-SUS, Z-SUS
                                                                                     Reg             Va routed to X-PWBs

    AC        Stand                                                                          10
    Det.      By 5V                                 12V 16V
                                                   Note1                             NOTE 1:
                               5V        Relay                     M5V      Vs       50PG20 has 12V and 16V to Main at turn on.
                               Det.       On                       On       On       42PG20 only has 16V.

     3             2           5           5           6       6        7   9

                                                        12V 16V
                                                       Video Audio
            Turns on               5V
            Red LED                Reg

                                           Relay                                       At point 3 TV is in
                         Turns on           On                                         Stand-By state.
                    5                                                                  Energy Star compliant.
                        Green LED
                                               5                                       Less than 1 Watt
    AC      Both LEDs On
    Det.    Looks Amber

            Resets               Microprocessor            7
           Main Board                  or                  9

                               Power           Remote
                               Button          Or Key

◦ Jabse Service Manual Search 2020 ◦ Jabse Pravopis ◦ Other service manual resources online : FixyaeServiceinfo