V. Size Adjustment; H. Position Adjustment; V. Shift Adjustment - Magnavox CMWC13D6 Service Manual

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. Operate the unit for at least 20 minutes.
2. 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).
3. Input monoscope pattern.
4. 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
Screen Control,
--- CH. o / p
buttons
Tape M. EQ.
--- Pattern Generator
Note: Use service remote control unit
1. Operate the unit for at least 20 minutes.
2. Enter the Service mode. (See page 1-6-1.)
3. Input monoscope pattern.
4. Press "9" button on the service remote control unit
and select "V-P" mode. (Display changes "V-S" and
"V-P" cyclically when "9" button is pressed.)
5. Press "CH. o / p" buttons on the service remote
control unit so that the top and bottom of the
monoscope pattern are equal to each other.
6. Turn the power off and on again, using the main
power button on the TV unit.
Mode Input
--- Monoscope
Spec.
90±5%
Mode Input
RF Monoscope
Spec.
90±5%
1-6-3

6. 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
CH. o / p
--- buttons
[ H-P ] mode
Tape M. EQ.
--- Pattern Generator
Note: Use service remote control unit
1. Operate the unit for at least 20 minutes.
2. Enter the Service mode. (See page 1-6-1.)
3. Input 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 is
90±5% of display size and the circle is round.
6. Turn the power off and on again, using the main
power button on the TV unit.
Mode Input
Mono-
RF
scope
Spec.
90±5%
T8200EA