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

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1-4-4 TD857EA
12.Set the color analyzer to the CHROMA mode and
after zero point calibration, bring the optical recep-
tor to the center on the tube surface (CRT).
13.Adjust the RED DRIVE as needed with the CH
o
/
p
buttons to get the following value, X= 286, Y=
294.
14.Choose CUT OFF/DRIVE mode then press "5."
Adjust the BLUE DRIVE as needed with the CH
o
/
p
buttons to get the following value, X= 286.
15.Turn the power off and on again.
8. Sub-Brightness Adjustment
Purpose: To get proper brightness.
Symptom of Misadjustment: If Sub-Brightness is
incorrect, proper brightness cannot be obtained by
adjusting the Brightness Control.
Note: SMPTE Setup level --- 7.5 IRE
1. Enter the Service mode. (See page 1-4-1.)
Then input SMPTE signal from RF input.
2. Press "PICTURE" button. (Press "PICTURE" but-
ton then display will change B R T, C N T, COL, T N
T and V-T ). Select BRT and press "CH
o
/
p
" but-
tons so that the bar is just visible (See above fig-
ure).
3. Turn the power off and on again.
9. Focus Adjustment
Purpose: Set the optimum Focus.
Symptom of Misadjustment: If Focus Adjustment is
incorrect, blurred images are shown on the display.
Notes: Focus VR (FBT) --- H.V. CBA
FBT= Fly Back Transformer
1. Operate the unit more than 30 minutes.
2. Face the unit to the East and degauss the CRT
using a degaussing coil.
3. Input the monoscope pattern.
4. Adjust the Focus Control on the FBT to obtain a
clear picture.
10. SIF Adjustment
Purpose: To set the SIF (Sound Intermediate Fre-
quency).
Symptom of Misadjustment: Audio may not sound
correctly.
Note: This adjustment automatically done by the
chrominance IC (IC1301).
11. CCS Text Box Location
Note: This adjustment automatically done by the
microcomputer.
Adj. Point Input
CH
o
/
p
buttons
SMPTE 7.5IRE
M. EQ. Spec.
Pattern Generator See below
Figure
Black
White
This bar
just
visible
Fig. 4
Adj. Point Input
Focus Control Monoscope
M. EQ. Spec.
Pattern Generator See below.