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Notes: Screen Control FBT --- MAIN CBA
F.B.T= Fly Back Transformer
Use the Remote Control Unit
1. Degauss the CRT and allow CRT to operate for 20
minutes before starting the alignment.
2. Set the screen control to minimum position. Input
the Black raster signal from RF input.
3. Enter the Service mode. (See page 1-4-1.)
Dimmed horizontal line appears on the CRT.
4. Press the "VOL p" button.
(Press "VOL p" then display will change CUT OFF/
DRIVE adjustment).
5. Choose CUT OFF/DRIVE mode then press "1" but-
ton. This adjustment mode is CUT OFF (R).
6. Press the "CH o / p" button until the horizontal line
becomes white.
7. 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.
8. 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.
9. Input the White Raster Signal from Video In.
10.Choose CUT OFF/DRIVE mode then press "4."
Adjust the RED DRIVE as needed with the "CH o /
p" buttons to get the following value, X= 286, Y=
294.
11.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.
12.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.
Test point
Adj. Point
CH o / p
---
Tape
---
Generator
White
Note: SYMPTE Setup level --- 7 IRE
1. Enter the Service mode. (See page 1-4-1.)
Then input SYMPTE signal from RF input.
2. Press MENU button. (Press MENU button then dis-
play will change BRT, CNT, COL, TNT and V-T).
Select BRT and press "CH o / p" buttons so that
the bar is just visible (See above figure).
3. Turn the power off and on again.
1-6-5
Mode
SYMPTE
---
buttons
7.5IRE
M. EQ.
Spec.
Pattern
See below
Figure
T5553EA
Input
Black
This bar
just
visible
Fig. 4
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