Wednesday, October 03, 2012

SAMSUNG WS-32Z316VBXXEC CTV FOCUS SCREEN ADJUSTMENT

Contn:
                                            [2]
FOCUS ADJUSTMENT
     Since the S62A chassis a built in dynamic Focus Circuit, take care when adjusting Focus.  When the CRT PCB or CRT has been replaced, the focus has to be adjusted.
  • Display the cross hatch pattern.
  • Set the screen adjustment to "view as standard".
  • Turn the static focus VR clockwise to maximum postion.
  • Turn the dynamic focus VR counter clockwise to maximum position.
  • Slowly turn the Static Focus VR, counter clockwise so that the center vertical line is most clearly displayed.
SCREEN VOLTAGE ADJUSTMENT
  • Select "Info => Menu => Mute => Power On" to enter Service Mode.
  • Initialize all settings to the values appropriate to the corresponding model.
  • Display Toshiba pattern.
  • Using an oscilloscope, measure the size of RK, BK & GK to the pedestal level.
Adjust the Screen VR of FEB so that the highest point of pedestal  level is 175V.
                                                              CRT base Board
                                                            Deflection Board
Power supply Board.
The system board that controls various signals for video signals for video signal processing and product operations.
Circuit Description 
Audio Out Schematic
Audio Out PCB