Service Manuals, User Guides, Schematic Diagrams or docs for : LG TV RT-29FB20RB MC021AADJ

<< 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 MC021AADJ documenatation <<

Text preview - extract from the document

                                       ADJUSTMENT INSTRUCTIONS

1.Safety Precautions                                                   5. Purity & convergence Adjustment
  1. It is safe to adjust after using insulating transformer between
     the power supply line and chassis input to prevent the risk of    5-1. Preparation for Adjustment
     electric shock and protect the instrument.                            Adjustment should be operated when using the CPT(without
  2. Never disconnect leads while the TV receiver is on.                   ITC from CPT manufacturing place)
  3. Don't short any portion of circuits while power is on.
  4. The adjustment must be done by the correct appliances.                *This adjustment must follow the sequence as shown picture
  5. Unless otherwise noted, set the line voltage to 220Vac!10%,           below.
     50Hz.
  5. The adjustment of TVshould be performed after warming up          5-2. Purity Adjustment
     for 15 minutes.                                                       1) Degauss the CPT and CABINET enough.

                                                                           CPT Assembling            As preparatory operations before
2.Test Equipment required                                                                            assembling CPT, wind cotton Tape for
  1.   RF signal generator (with pattern generator)                                                  protecting to CPT NECK and DY, CPT
  2.   DC Power Supply                                                                               connection parts. At this moment, end of
  3.   Multimeter (volt meter)                                                                       tape should be over-lapped and wound in
  4.   Oscilloscope                                                                                  direct route to the NECK.
  5.   Color analyzer

                                                                       Assembling DY to CPT          Fix the Magnet to the position as shown
3.DVCO Adjustment                                                                                    picture below. Be careful not to make CPT
                                                                                                     neck shadow while adjusting DY.
  1) This is for adjustment of VPC9407,crystal oscillator
                                                                             HEAT RUN
     frequency after receiving a company Digital
     pattern.(PAL:EU05CH,NTSC:13CH)
                                                                                                                             6pole 4 2
  2) When entering adjustment mode by pressing IN-START                      Degaussing
     button,DVCO adjustment is operating automatically.
     (T/X doesn't operating occassionally during DVCO
     adjustment.)                                                          STC Adjustment
                                                                                                                                     2

◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo