Monday, June 18, 2012

SHARP - 70FW53E SERVICE ADJUSTMENTS PART-2



Part-2

The following geometry adjustments can be carried out. The receiver requires a full geometry setup, ensure that vertical adjustments are carried out first.  It is important that the adjustments are made in the order shown below.

HORIZONTAL SHIFT

  • Adjust the Horizontal shift so that the picture is centered.
  • When the volume Up button is pressed, the picture moves to right.
  • When volume Dn button is pressed, the picture moves to left.
  • Press Standby button to store the data into memory.
E-W WIDTH
Adjust the E-W Width, so that 8% over scan is achieved. 
  • When volume Up button is pressed, horizontal scanning decreases.
  • When volume Dn button is pressed, horizontal scanning increases.
  • Press Standby button to store the data into memory.
PIN-PHASE
Adjust Pin-Phase so that the picture is symmetrical top and bottom.
  • When volume Up button is pressed, side pincushion changes.
  • When volume Dn button is pressed, side pin cushion changes
  • Press Standby button to store it in memory.
PIN AMP
Adjust  Pin-Amplitude so that the picture is centered. 
  • When the volume up button is pressed side pincushion changes from pincushion to barrel shape.
  • When volume Dn button is pressed, side pincushion changes from barrel shape to pincushion.
  • Press Standby button to store the data into memory.
UPPER CORNER CORRECTION
Adjust upper corner correction, so that the picture is centered.
  • When Volume Up button is pressed, side pincushion changes to barrel shape.
  • When volume Dn button is pressed, side pincushion changes from barrel to pincushion.
  • Press Standby button to store the data into memory.
LOWER CORNER CORRECTION
Adjust lower corner correction so that the picture is centered.

  • When volume Up button is pressed, side pincushion changes from pincushion to barrel shape.
  • When volume Dn button is pressed, side pincushion changes from barrel shape to pincuchion.
  • Press Standby button to store the data into memory.
VERTICAL LINEARITY
Adjust vertical linearity so that the upper and lower part of the picture are symmetrical. 
  • When volume Up button is pressed, the upper picture scanning decreases and the lower increases.
  • When volume Dn button is pressed, the the upper picture scanning increases, and the lower decreases.
  • Press Standby button to store the data into memory.
VERTICAL AMPLITUDE
Adjust vertical amplitude so that the picture is over-scanned.
  • When Volume Up button is pressed, the vertical size of picture increases.
  • When volume Dn button is pressed, the vertical size of the picture decreases.
  • Press Standby button to store the data value to memory.
S-CORRECTION
Adjust S-Correction so that the picture symmetrical between the top, center and the bottom.
  • When volume Up button is pressed, the top and bottom scanning increases, and the center scanning decreases.
  • When volume Dn button is pressed, the top and bottom scanning decreases, and the center scanning increases.
  • Press Standby button to store the data into memory.
VERTICAL SHIFT
Adjust vertical shift so that the picture is vertically centered.
  • When volume Up button is pressed, the picture moves up.
  • When volume Dn button is pressed, the picture moves down.
  • Press Standby button to store the data into memory.