Symphonic FUNAI SYLVANIA Emerson SC309C Service Manual page 25

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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
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.
Test point
Adj. Point
D304
CH o / p
CATHODE
buttons
(B-OUT)
Tape
M. EQ.
Oscilloscope
---
Pattern Generator
minimum
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.
display
is
closest
Mode
Input
---
Color Bar
Spec.
---
Figure
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.
to
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.
"0"
button
Fig. 2
1-7-3
C-TRAP Adjustment (Factory mode)
CH
button
C-TRP 0
CH
button
"0" button
Y DL Time Adj TV Adjustment
CH
button
D-T TV 0
CH
button
"0" button
Y DL Time Adj EXT/PB Adjustment
CH
button
D-T
EXT 0
CH
button
C-TRP 1
D-T
TV 1
D-T EXT 1
T4300EA

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