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2.2. Screen Adjustment
Adjustment is change according to SW versions. New SW versions start from SB8643_A05,
SB8643_B04, SB8643_C04, SB8643_D04, SB8645_A05, SB8645_B04, SB8645_C03 and SB8645_D04.
•
If CRT brand is Philips and SW is old version, then Set Brightness value to "00" in the Picture
menu and store.
•
Enter the Service Menu with the Service RC and select "SCRN" option with P+ / P- buttons and
switch to ON with V+ / V- button.
For new SW versions (or Philips CRT) "BRI 00" is shown on the screen.
For old SW versions "BRI 32" is shown on the screen.
•
Adjust the screen potentiometer to the level where the screen is just black.
•
By pressing one of V+ / V- buttons, get the picture (SCRN is switched to Off).
•
Exit from the Service menu.
•
If CRT brand is Philips and SW is old version, Set Brightness value to "32" in the Picture menu
and store.
2.3. Geometry Adjustments
•
Apply a Cross Hatch Test pattern.
•
Enter Service Menu with Service RC and select "VSLP" option with P+ / P- buttons (In this option,
the upper half part of the pattern is shown and lower half part is blanked).
•
Adjust VSLP such that middle line of the pattern is cut.
•
For 16/9 sets, adjust VZOM to 25. On 4/3 sets, when VZOM is selected, set switches to 16/9
mode. In this case, adjust the circle of the pattern just touches to the upper and lower edges.
Re adjust the VSLP if required.
•
Adjust vertical position with VSHT, vertical linearity with SCOR and vertical height with VAMP.
•
For 4/3 sets, adjust the horizontal amplitude with EWW.
For 16/9 sets, adjust the 16/9 horizontal amplitude with EWW1 and 4/3 horizontal amplitude with
EWW (EWW value is 21 lower than EWW1 value).
•
For 16/9 sets, find the VZM1 option and adjust such that second lines from top and bottom just
touches to the edges.
•
Adjust horizontal centering with HSHT, parabola with EWPW and trapezium with EWT.
•
For 4/3 sets, adjust the 16/9 general parabola with EWP1.
•
Adjust the upper corner parabola with EWCU and lower corner parabola with EWCL, vertical
parallelogram with HPAR, horizontal bow with HBOW.
For PIP versions : Select "PIP PRESS OK" and press "OK" button in the service menu. Adjust
"HORPOS0" for horizontal shift of PIP window, "VERPOS0" for vertical shift of PIP window (press
"POS" button to place PIP to the left-top corner), "HORPOS1" for 12-window PIP horizontal shift,
"HORPOS2" for 11-window PIP horizontal shift, "HORPOS4" for right PIP horizontal shift.
2.4. White Balance Adjustment
•
Enter the Service Menu with the Service RC and select "GRN" option with P+ / P- buttons and
adjust it to "32" V+ / V- button.
•
Adjust RED and BLUE for white balance. If white balance can not be adjusted properly
change GRN value.
•
Adjust BLOR and BLOG for red and green cut off.
•
Exit from the Service menu.
2.5. Feature Options
Tuner
: Panasonic, Phillips, Sharp, Temic
STD
: STBY-On (Default, Automatic switch off is active), STBY-Off (can be used during repair)
Head
: Yes (Headphone available), No
SCRN
: Off, On (used for screen adjustment)
AV
: 01 (1 Scart), 03 (2 Scarts), 04 (2 Scarts + Front AV), 05 (2 Scarts + Front AV+ SVHS)
SSTD
: BG only, I only, BG+DK, BG + LL', All SYS
STYP
: NICAM On (available), NICAM Off
Toptext
: Yes (available), No
Fasttext
: Yes (available), No
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