1-9-4
TD603EA
10.Set the color analyzer to the CHROMA mode and
after zero point calibration, bring the optical recep-
tor to the center on the tube surface (CRT).
11.Choose CUT OFF/DRIVE mode then press "4" but-
ton on the service remote control unit for Red adjust-
ment. Press "5" button on the service remote control
unit for Blue adjustment.
12.In each color mode, press "CH
o
/
p
" buttons to
adjust the values of color.
13.Adjust Red and Blue color so that the temperature
becomes 9200K (x : 286 / y : 294) ±3%.
14.At this time, re-check that horizontal line is white. If
not, re-adjust Cut-off Adjustment until the horizon-
tal line becomes pure white.
15.Turn the power off and on again.
9. H. Size Adjustment
Purpose:
To obtain correct size of screen image.
Symptom of Misadjustment:
Size of screen image
may not be properly displayed.
Note:
VR531 --- H.V. CBA
1. Input monoscope pattern.
2. Adjust VR531 so that the monoscope pattern is
90+1%/-5% of the display size and the circle is
round.
10. H. Pincushion Adjustment
Purpose:
To obtain straight line on the screen.
Symptom of Misadjustment:
Straight line image may
not be properly displayed.
Note:
VR530 --- H.V. CBA
1. Input crosshatch pattern.
2. Adjust VR530 so that the line of the crosshatch pat-
tern becomes straight.
11. Sub-Brightness Adjustment
Purpose:
To get proper brightness.
Symptom of Misadjustment:
If Sub-Brightness is
incorrect, proper brightness cannot be obtained by
adjusting the Brightness Control.
Note:
SYMPTE Setup level --- 7.5 IRE
1. Enter the Service Mode. (See page 1-9-1.)
Then input SYMPTE signal from RF input.
2. Press "PICTURE" button. (Press "PICTURE" but-
ton then display will change B R T, C N T, T N T, V-
T and SHP). Select BRT and press "CH
o
/
p
" but-
tons so that the bar is just visible (See above fig-
ure).
3. Turn the power off and on again.
12. Focus Adjustment
Purpose:
Set the optimum Focus.
Symptom of Misadjustment:
If Focus Adjustment is
incorrect, blurred images are shown on the display.
Notes:
Focus VR (FBT) --- H.V. CBA
FBT= Fly Back Transformer
1. Operate the unit more than 30 minutes.
2. Face the unit to the East and degauss the CRT
using a degaussing coil.
3. Input the monoscope pattern.
4. Adjust the Focus Control on the FBT to obtain a
clear picture.
Adj. Point
Input
VR531
Monoscope
M. EQ.
Spec.
Pattern Generator
90+1%/-5%
Adj. Point
Input
VR530
Crosshatch
M. EQ.
Spec.
Pattern Generator
See below
Adj. Point
Input
CH
o
/
p
buttons
SYMPTE 7.5IRE
M. EQ.
Spec.
Pattern Generator
See below
Figure
Adj. Point
Input
Focus Control
Monoscope
M. EQ.
Spec.
Pattern Generator
See below.
Black
White
This bar
just
visible
Fig. 4
