Symphonic ST27S3, Service Manual

Page: 16 / 52

5-3 L6609EA
5. V. Size Adjustment
Purpose: To obtain correct vertical width of screen image.
Symptom of Misadjustment: If V. Size is incorrect, vertical
size of image on the screen may not be properly displayed.
Note: Use service remote control unit.
1. Operate the unit for at least 20 minutes.
2. Enter the Service mode. (See page 5-1)
3. Receive the Monoscope Pattern.
4. Press " 9 " button on the Service remote control unit
and select " V-S " 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 monoscope pattern will be
90±5% of display size and the circle is round.
6. Turn the power off and on again. (Main power but-
ton on the TV unit.)
6. V. Position Adjustment
Purpose: To obtain correct vertical width of screen
image.
Symptom of misadjustment: If V. Position is incor-
rect, vertical height of image on the screen may not be
properly displayed.
Note: Use Service remote control unit
1. Operate the unit for at least 20 minutes.
2. Enter the Service Mode. (See page 5-1)
3. Receive the Monoscope Pattern.
4. Press " 9 " button on the Service remote control unit
and select " V-P "mode. (Display change " 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 mono-
scope pattern will be equal of each other.
6. Turn the Power off and on again. (Main power but-
ton on the TV unit.)
7. 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.
Note: Use Service remote control unit
1. Operate the unit for at least 20 minutes.
2. Enter the Service mode. (See page 5-1)
3. Receive the 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 will be
90±5% of display size and the circle is round.
6. Turn the Power off and on again. (Main power but-
ton on the TV unit.)
8. H. Size Adjustment
Purpose: To obtain correct horizontal size of screen
image.
Symptom of Misadjustment: If H. Size is incorrect,
horizontal size of image on the screen may not be
properly displayed.
Note: Use Service remote control unit
1. Operate the unit for at least 20 minutes.
2. Receive the Monoscope Pattern.
3. Adjust VR562 so that the monoscope pattern will
be 90±5% of display size and circle is round.
4. Turn the Power off and on again. (Main power but-
ton on the TV unit.)
Test Point Adj. Point Mode Input
---
Screen Control
CH
o
/
p
buttons [ V-S ]
Mode
RF
Mono-
scope
Tape M. EQ. Spec.
--- Monoscope 90±5%
Test Point Adj. Point Mode Input
---
Screen Control
CH
o
/
p
buttons [ V-P ]
Mode
RF
Mono-
scope
Tape M. EQ. Spec.
--- Monoscope 90±5%
Test Point Adj. Point Mode Input
---
Screen Control
CH
o
/
p
buttons [ H-P ]
Mode
RF
Mono-
scope
Tape M. EQ. Spec.
--- Monoscope 90±5%
Test Point Adj. Point Mode Input
--- VR562 RF
Mono-
scope
Tape M. EQ. Spec.
--- Monoscope 90±5%