1-7-3
T4300EA
4. Press "2" button on the remote control unit and
select H-Adj Mode. (Press "2" button, then display
will change H-Adj and AGC.)
5. Press CH
o
/
p
buttons on the remote control unit
so that the display will change "0" to "7."
At this moment, choose display "0" to "7" when the
Frequency counter display is closest to
15.734kHz
±
300Hz.
6. Turn the power off and on again.
4-2. 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:
D304 CATHODE (B-Out)--- Main CBA
1. Connect Oscilloscope to D304 CATHODE.
2. Input a color bar signal from RF input.
Enter the Service mode. (See page 1-4-1.)
3. Press "0" button on the remote control unit and
select C-TRAP Mode.
4. Press CH
o
/
p
buttons on the remote control unit
so that the carrier leakage B-Out (3.58MHz) value
becomes minimum on the oscilloscope.
5. Turn the power off and on again.
4-3. Y DL Time Adjustment
Purpose:
To get minimum leakage of the color signal
carrier.
Symptom of Misadjustment:
If Y DL Time Adjust-
ment is incorrect, stripes will appear on the screen.
1. Enter the Service mode. (See page 1-4-1.)
2. Press "0" button on the remote control unit twice to
show "D-T" on the display.
3. Select "2" by pressing CH
o
/
p
buttons on the
remote control to enter Y DL Time Adjustment
mode.
4. If needed, perform the following.
Test point
Adj. Point
Mode
Input
D304
CATHODE
(B-OUT)
CH
o
/
p
buttons
---
Color Bar
Tape
M. EQ.
Spec.
---
Oscilloscope
Pattern Generator
---
Figure
minimum
Fig. 2
Y DL Time Adj TV Adjustment
CH
button
D-T TV 0
D-T TV 1
button
CH
Y DL Time Adj EXT/PB Adjustment
CH
button
D-T EXT 0
D-T EXT 1
button
CH
"0" button
"0"
button
C-TRAP Adjustment (Factory mode)
CH
button
C-TRP 0
C-TRP 1
button
CH
"0" button
