Sylvania SRC2213X Service Manual page 25

5. 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.
Test point Adj. Point
CH o / p
---
buttons
Tape M. EQ.
--- Pattern Generator
1. Enter the Service mode. (See page 1-4-1.)
Press "8" button on the remote control unit and
select H-P Mode.
2. Input monoscope pattern.
3. Press CH o / p buttons on the remote control unit
so that the left and right side of the monoscope pat-
tern are equal to each other.
4. Turn the power off and on again.
6. 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.
Test point Adj. Point
--- Screen-Control
Tape M. EQ.
--- Pattern Generator
Figure
PATTERN GENERATOR
EXT. INPUT
Notes: Screen Control FBT --- MAIN CBA
1. Degauss the CRT and allow CRT to operate for 20
2. Set the screen control to minimum position. Input
Mode Input
3. Enter the Service Mode. (See page 1-4-1.)
--- Monoscope
4. Press the "VOL p" button.
Spec.
90±5%
5. Choose CUT OFF/DRIVE Mode then press "1" but-
6. Press the "CH o / p" button until the horizontal line
7. Choose CUT OFF/DRIVE mode then press "2" but-
8. Choose CUT OFF/DRIVE Mode then press "3" but-
9. Input the White Raster Signal from Video In.
10.Choose CUT OFF/DRIVE mode then press "4."
11.Choose CUT OFF/DRIVE mode then press "5."
Mode Input
Black
Raster /
Ext.
12.Turn the power off and on again.
White
Raster
Spec.
See Reference
Notes below
Fig. 3
1-7-4
F.B.T= Fly Back Transformer
Use the Remote Control Unit
minutes before starting the alignment.
the Black raster signal from RF input.
Dimmed horizontal line appears on the CRT.
(Press "VOL p" then display will change CUT OFF/
DRIVE, VCO adjustment, Analog OSD adjust-
ment).
ton. This adjustment mode is CUT OFF (R).
becomes white.
ton. This adjustment mode is CUT OFF (G). Press
"CH o / p" until the horizontal line becomes white.
ton. This adjustment mode is CUT OFF (B). Press
"CH o / p" until the horizontal line becomes white.
Adjust the RED DRIVE as needed with the CH o /
p buttons to get the following value, X= 286, Y=
294.
Adjust the BLUE DRIVE as needed with the CH o /
p buttons to get the following value, X= 286.
T5408EA