Emerson Symphonic SC1304 Service Manual page 25

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.
Test point Adj. Point
CH o / p
---
buttons
Tape M. EQ.
--- Pattern Generator
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.
Test point Adj. Point
CH o / p
---
buttons
Tape M. EQ.
--- Pattern Generator
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.
Mode Input
--- Monoscope
Spec.
90±5%
Mode Input
--- Monoscope
Spec.
90±5%
1-6-4
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.
Test point Adj. Point
CH o / p
---
buttons
Tape M. EQ.
--- Pattern Generator
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
--- Screen-Control
Tape M. EQ.
--- Pattern Generator
Figure
PATTERN GENERATOR
EXT. INPUT
Mode Input
--- Monoscope
Spec.
90±5%
Mode Input
Black
Raster /
Ext.
White
Raster
Spec.
See Reference
Notes below
Fig. 3
T5553EA