Symphonic WF719 Service Manual page 24

2. 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 --- H.V. CBA
1. Connect Frequency Counter to R583.
2. Operate the unit for at least 20 mintes.
3. Enter the Service mode. (See page 1-8-1.) Press
"2" button on the remote control unit and select H-
ADJ Mode.
4. Press CH o / p buttons on the remote control unit
so that the display will change "0" to "7."
5. 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. 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
D1304
CH o / p
(Cathode)
buttons
(B-OUT)
Tape M. EQ.
Oscilloscope
---
Pattern Generator
minimum
Note: D1304 (Cathode) (B-Out)--- Main CBA
1. Connect Oscilloscope to D1304 (Cathode).
2. Input a color bar signal from RF input.
Enter the Service mode. (See page 1-8-1.)
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.
1-8-2
Mode Input
--- Color Bar
Spec.
---
Figure
Fig. 2
TD851EA