Symphonic CSC313E Service Manual page 24

6. 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.
Test Point Adj. Point
[CH o / p]
---
buttons
Tape M. EQ.
--- Pattern Generator
1. Enter the Service mode. (See page 1-6-1.)
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
display size and the circle is round.
7. V. Shift Adjustment
Purpose: To obtain correct vertical position of screen
image.
Symptom of Misadjustment: If V. position is
incorrect, vertical position of image on the screen may
not be properly displayed.
Test Point Adj. Point
[CH o / p]
---
buttons
Tape M. EQ.
--- Pattern Generator
1. Enter the Service mode. (See page 1-6-1.)
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.
8. 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.
Mode Input
--- Monoscope
Spec.
90±5%
1. Enter the Service mode. (See page 1-6-1.)
2. Input monoscope pattern.
3. Press [CH o / p] buttons on the remote control
4. Turn the power off and on again.
9. 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.
Mode Input
--- Monoscope
Spec.
---
Note: Screen Control FBT --- Main CBA
1-6-4
Test Point Adj. Point
[CH o / p]
---
buttons
Tape M. EQ.
--- Pattern Generator
Press [8] button on the remote control unit and
select H-P mode.
unit so that the left and right side of the
monoscope pattern are equal to each other.
Test Point Adj. Point
Screen-Control
--- [CH o / p]
buttons
Tape M. EQ.
Pattern
---
Generator
Figure
Pattern Generator
F.B.T= Fly Back Transformer
Use the Remote Control Unit
Mode Input
--- Monoscope
Spec.
---
Mode Input
Black
Raster,
EXT.
White
Raster
Spec.
See Reference
Notes below.
EXT. Input
Fig. 4
T5517EA