1-6-2
T5515EA
3. H Adjustment
Purpose:
To get correct horizontal position and size of
screen image.
Symptom of Misadjustment:
Horizontal position and
size of screen image may not be properly displayed.
Note:
R583 --- Main CBA
1. Connect frequency counter to R583.
2. Set the unit to the VIDEO mode and no input is
necessary. Enter the Service mode.
(See page 1-6-1.)
3. Operate the unit for at least 20 minutes.
4. Press [2] button on the service remote control unit
and select H-Adj mode.
5. Press [CH
o
/
p
] buttons on the service remote
control unit so that the display will change “0” to
“7.” At this moment, choose one of the numbers
from “0” to “7” when the Frequency counter display
is closest to 15.734 kHz
±
300 Hz.
6. Turn the power off and on again.
4. C-Trap Adjustment
Purpose:
To get minimum leakage of the color signal
carrier.
Symptom of Misadjustment:
If C-Trap Adjustment is
incorrect, stripes will appear on the screen.
Note:
J271(B-OUT) --- Main CBA
1. Connect Oscilloscope to J271.
2. Input a color bar signal from RF input.
Enter the Service mode. (See page 1-6-1.)
3. Press [0] button on the service remote control unit
and select C-TRAP mode. (Fig. 3)
4. Press [CH
o
/
p
] buttons on the service remote
control unit so that the carrier leakage B-Out (3.58
MHz) value becomes minimum on the
oscilloscope.
5. Turn the power off and on again.
Test Point
Adj. Point
Mode
R583
[CH
o
/
p
] buttons
Video
M. EQ.
Spec.
Frequency Counter
15.734 kHz
±
300 Hz
Test Point
Adj. Point
Input
J271(B-OUT)
[CH
o
/
p
] buttons
Color Bar
M. EQ.
Oscilloscope, Pattern Generator
Figure
Fig. 2
minimum
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