Sylvania 6313CG Service Manual page 23

3-1. 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.
Test point Adj. Point
CH o / p
R583
buttons
Tape M. EQ.
--- Frequency Counter 15.734kHz±300Hz
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 1-4-1.)
3. Operate the unit for at least 20 minutes.
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.
Mode Input
Video ---
Spec.
display is closest to
3-2. 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
J271 CH o / p
(B-OUT) buttons
Tape M. EQ.
Oscilloscope
---
Pattern Generator
minimum
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 1-4-1.)
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.
1-6-2
Mode Input
--- Color Bar
Spec.
---
Figure
Fig. 2
T5553EA