Sharp CD-C662 Dokumentacja Pobierz pdf (Strona 23)

Alignment and Adjustment

5-2 Samsung Electronics

Test point

5-2 Electrical Adjustment

Step Adjustment Item

1. Mode and input signal/

alignment tape

2. Test point and ADJ. part

3. Result and Remarks

ADJ. point

5-2-1 Head switching point

1. ÒPBÓ, Alignment tape color bars.

2. TP4 (HÕD S/W), TP7(Video out) and VR601.

3. Connect an oscilloscopeÕs CH-1 to TP4 for

triggering and CH-2 to TP7.

4. Adjust VR601 so that the head switching point is

positioned 6.5 ± 0.5H from the V-SYNC left edge

as shown.

(Main PCB - Component Side)

SWITCHING POINT

SW25HZ

PULSE

CH-2

CH-1

VIDEO OUT

6.5H

0.5H

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 59 60

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