H Blanking Adjustment; Blk Adjustment - Sony TRINITRON PVM-14L2 Service Manual

2-12. H Blanking Adjustment

The following adjustment sub menus are located in the
layer under the DEFLECTION menu of the Service Mode.
RASTER H
H SIZE
H BLK LEFT
H POSITION
1. Connect the 480/60I cross hatch signal to the Y/G
terminal of RGB/COMPONENT IN connector.
2. Press the UNDER SCAN button to enter the under
scanned mode. (The UNDER SCAN button lights in
orange.)
3. Set the BRIGHT knob to MAX.
4. Enter the service mode.
5. Adjust [H|SIZE] of the menu until the entire raster
becomes visible on screen.
Adjust [H|BLK|LEFT] so that the left-end of the
6.
raster is just before starting to fold back.
7. Adjust [H|POSITION] so that the right-end of the
video signal is positioned 1 mm inside of the right-end
of the raster.
8. Adjust H CENTER VR (G board: RV1501) so that the
center of the video signal comes to the center of the
effective screen.
9. Switch the input video signal to the 575/50I crosshatch
signal and repeat adjustment from steps 5 to 8 (exclud-
ing step 6 RV1501/G board adjustment) in the same
way as described above.
PVM-14L2/20L2
2-13. V BLK Adjustment
The following adjustment sub menus are located in the
layer under the DEFLECTION menu of the Service Mode.
RASTER V
V SIZE
V CENTER
V BLK TOP
1. Connect the 480/60I crosshatch signal to the Y/G
terminal of RGB/COMPONENT IN connector.
2. Adjust the BRIGHT knob on the front panel until the
raster becomes visible.
3. Press the UNDER SCAN button to enter the under-
scan mode.
4. Adjust V BLK TOP so that the upper blanking is
aligned with the video signal scarcely.
5. Switch the video input to the 575/50I signal and
perform the same adjustment.
2-13