Emerson Magnavox EWC20D5 Service Manual page 24

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3. Setting for CONTRAST,
COLOR, TINT, V-TINT and
SHARP data Values
General
1. Enter the Service mode. (See page 1-7-1)
2. Press "PICTURE" button on the service remote con-
trol unit. Display changes "BRIGHT," "CONTRAST,"
"COLOR," "TINT," and "V-TINT" cyclically when "PIC-
TURE" button is pressed.
CONTRAST (CNT)
1. Press "PICTURE" button on the service remote con-
trol unit. Then select "CONTRAST" (CNT) display.
2. Press "CH o / p" buttons on the service remote
control unit so that the value of "CONTRAST"
(CNT) becomes 76.
COLOR (CLR)
1. Press "PICTURE" button on the service remote
control unit. Then select "COLOR" (CLR) display.
2. Press "CH o / p" buttons on the service remote
control unit so that the value of "COLOR" (CLR)
becomes 55.
TINT (TNT)
1. Press "PICTURE" button on the service remote
control unit. Then select "TINT" (TNT) display.
2. Press "CH o / p" buttons on the service remote
control unit so that the value of "TINT" (TNT) be-
comes 58.
V-TINT (V-TNT)
1. Press "PICTURE" button on the service remote
control unit. Then select "V-TINT" (V-TNT) display.
2. Press "CH o / p" buttons on the service remote
control unit so that the value of "V-TINT" (V-TNT)
becomes 57.
Note: BRIGHT data value does not need to be adjust-
ed at this moment.
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 1-7-1.)
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. 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.
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 1-7-1)
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, using the main
power button on the TV unit.
1-7-2
Mode
Input
---
Monoscope
Spec.
90±5%
Mode
Input
RF
Monoscope
Spec.
90±5%
TD808EA

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