Magnavox 19MDTR20 - Dvd-video Player, Руководство по обслуживанию

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1-4-3 TD857EA
5. V. Shift Adjustment
Purpose: To obtain correct vertical position of screen
image.
Symptom of Misadjustment: If V. shift is incorrect,
vertical position of image on the screen may not be
properly displayed.
1. Enter the Service mode. (See page 1-4-1.)
Press "9" button on the service remote control unit
and select V-P mode. (Press "9" button then dis-
play will change to V-P and V-S).
2. Input monoscope pattern.
3. Press "CH
o
/
p
" buttons on the service remote
control unit so that the top and bottom of the mono-
scope pattern are equal to each other.
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.
1. Enter the Service mode. (See page 1-4-1.)
Press "8" button on the service remote control unit
and select H-P mode.
2. Input monoscope pattern.
3. Press "CH
o
/
p
" buttons on the service 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.
Notes: Screen Control FBT --- H.V. CBA
FBT= Fly Back Transformer
Use the service remote control unit
1. Degauss the CRT and allow CRT to operate for 20
minutes before starting the alignment.
2. Input the Black raster signal from EXT. input.
3. Enter the Service mode. (See page 1-4-1.)
4. Press the "VOL
p
" button.
(Press "VOL
p
" then display will change CUT OFF/
DRIVE, 7Fh adjustment and DVD-KEY).
5. Choose CUT OFF/DRIVE mode then press "1" but-
ton. This adjustment mode is CUT OFF (R).
6. Increase the screen control so that the horizontal
line just appears on the CRT.
7. Press the "CH
o
/
p
" button until the horizontal line
becomes white.
8. Choose CUT OFF/DRIVE mode then press "2" but-
ton. This adjustment mode is CUT OFF (G). Press
"CH
o
/
p
" until the horizontal line becomes white.
9. Choose CUT OFF/DRIVE mode then press "3" but-
ton. This adjustment mode is CUT OFF (B). Press
"CH
o
/
p
" until the horizontal line becomes white.
10.Choose CUT OFF/DRIVE mode then press "4" but-
ton.
11.Input the White Raster Signal from Video In.
Adj. Point Input
CH
o
/
p
buttons Monoscope
M. EQ.
Pattern Generator
Adj. Point Input
CH
o
/
p
buttons Monoscope
M. EQ.
Pattern Generator
Adj. Point Mode Input
Screen-Control Ext.
Black Raster /
White Raster
M. EQ. Spec.
Pattern Generator
Color Analyzer
See Reference
Notes below
Figure
PATTERN
GENERATOR
EXT. INPUT
Color Analyzer
Fig. 3