1-6-4
T7500EA
4. V. Size Adjustment
Purpose:
To obtain correct vertical height of screen
image.
Symptom of Misadjustment:
If V. Size is incorrect,
vertical height of image on the screen may not be
properly displayed.
1. Enter the Service mode. (See page 1-4-1.)
Press "9" button on the remote control unit and
select V-S mode. (Press "9" button then display will
change to V-P and V-S).
2. Input monoscope pattern.
3. Press "CH
o
/
p
" buttons on the remote control
unit so that the monoscope pattern is 90
±
5% of dis-
play size and the circle is round.
5. V. Shift Adjustment
Purpose:
To obtain correct vertical position of screen
image.
Symptom of Misadjustment:
If V. position is incor-
rect, vertical position of image on the screen may not
be properly displayed.
1. Enter the Service mode. (See page 1-4-1.)
Press "9" button on the remote control unit and
select V-P mode. (Press "9" button then display will
change to V-P and V-S).
2. Input monoscope pattern.
3. Press "CH
o
/
p
" buttons on the remote control
unit so that the top and bottom of the monoscope
pattern are equal to each other.
6. H. Shift Adjustment
Purpose:
To obtain correct horizontal position and
size of screen image.
Symptom of Misadjustment:
Horizontal position and
size of screen image may not be properly displayed.
1. Enter the Service mode. (See page 1-4-1.)
Press "8" button on the remote control unit and
select H-P mode.
2. Input monoscope pattern.
3. Press "CH
o
/
p
" buttons on the remote control
unit so that the left and right side of the monoscope
pattern are equal to each other.
4. Turn the power off and on again.
7. 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
Mode
Input
---
CH
o
/
p
buttons
---
Monoscope
Tape
M. EQ.
Spec.
---
Pattern Generator
90
±
5%
Test point
Adj. Point
Mode
Input
---
CH
o
/
p
buttons
---
Monoscope
Tape
M. EQ.
Spec.
---
Pattern Generator
90
±
5%
Test point
Adj. Point
Mode
Input
---
CH
o
/
p
buttons
---
Monoscope
Tape
M. EQ.
Spec.
---
Pattern Generator
90
±
5%
Test point
Adj. Point
Mode
Input
---
Screen-Control
Ext.
Black
Raster /
White
Raster
Tape
M. EQ.
Spec.
---
Pattern Generator
See Reference
Notes below
Figure
PATTERN GENERATOR
EXT. INPUT
Fig. 3
Содержание 6319CE
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