5-4
L6250EA
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. V-LINIARITY and S CORRECTION
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 " 9 " button on the Service remote control unit
and select " V-P " mode. (Display change " V-S ", "
V-P ", " V-LI " and " V-SC " cyclically when " 9 " but-
ton is pressed).
5. Press " CH
o
/
p
" buttons on the Service remote
control unit so that " V-LI " value becomes 11 and
" V-SC " value becomes 20.
6. Turn the Power off and on again. (Main power but-
ton on the TV unit.)
9. 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 VR561 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.)
10. PIN Cushion Adjustment
Purpose
: To obtain correct straight vertical line of
screen image.
Symptom of Misadjustment:
If H.Pin cushion is incor-
rect, vertical line 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 Cross hatch Pattern.
3. Adjust VR562 so that the cross hatch pattern will
be straight line of display.
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 [ H-P ]
Mode
RF
Mono-
scope
Tape
M. EQ.
Spec.
---
Monoscope
---
Test Point
Adj. Point
Mode
Input
---
VR561
RF
Mono-
scope
Tape
M. EQ.
Spec.
---
Monoscope
90±5%
Test Point
Adj. Point
Mode
Input
---
VR562
RF
Cross
hatch
Tape
M. EQ.
Spec.
---
Cross hatch
