Disney DT1300-C Service Manual page 19

11. H. Position Adjustment
Purpose: To obtain correct horizontal position of
screen image.
Symptom of Misadjustment: If H. Position is incor-
rect, horizontal position of image on the screen may
not be properly displayed.
Test Point Adj. Point
Screen Control
CHo / p
---
buttons [ H-P ]
Mode
Tape M. EQ.
--- Monoscope
Note: Use Service remote control unit
1. Operate the unit for at least 20 minutes.
2. Enter the Service mode. (See page 5-1)
3. Receive the Monoscope Pattern.
4. Press " 8 " button on the remote control unit and
select " H-P " mode.
5. Press "CH o / p" buttons on the Service remote
control unit so that the monoscope pattern will be
90±5% of display size and the circle is round.
6. Turn the Power off and on again. (Main power but-
ton on the TV unit.)
Mode Input
Mono-
RF
scope
Spec.
90±5%
5-5
12. Cut-off Adjustment
Purpose: To adjust the beam current of R, G, B, and
screen voltage.
Symptom of Misadjustment: White color may be
reddish, greenish or bluish.
Test Point Adj. Point
Screen-Control
--- CHo / p
buttons
Tape M. EQ.
Pattern
---
Generator
Figure
PATTERN GENERATOR
EXT. INPUT
Note: Screen Control FBT --- Main CBA
F.B.T= Fly Back Transformer
Use Service remote control unit
1. Degauss the CRT and allow CRT to operate for 20
minutes before starting the alignment.
2. Input the Black Raster Signal from RF Input.
3. Enter the Service mode. (See page 5-1)
4. Press "VOL p" button on the Service remote con-
trol unit and select " C/D " mode. (Display changes
" C/D ", " VCO ", " 7F " and " FRENCH " cyclically
when "VOL p" button is pressed.) then press " 1 ".
The display will momentarily show " CUT OFF R "
(R= Red). Now there should be a horizontal line
across the center of the picture tube. If needed
gradually turn the screen control on the flyback,
clockwise until the horizontal line appears. Adjust
the Red Cut off by pressing the "CH o / p" buttons.
Proceed to Step 5 when the Red Cut off adjustment
is done.
5. Press the " 2 " button. The display will momentarily
show " CUT OFF G " (G=Green). Adjust the Green
Cut off by pressing the "CH o / p" buttons. Proceed
to step 6 when the Green Cut off adjustment is done.
6. Press the " 3 " button. The display will momentarily
show " CUT OFF B " (B=Blue). Adjust the Blue cut
off by pressing the "CH o / p" buttons. When done
with steps 4, 5 and 6 the horizontal line should be
pure white if not, then attempt the Cut off adjust-
ment again.
Mode Input
Black
RF
Raster
Spec.
See Reference
Notes below.
Fig 2
L6310EA