Adjust The Switching Point - Samsung CXJ1331/TUCX Service Manual

3-5 Circuit (SERVO) Adjustment

3-5-1 Adjust the switching point.

1. Play back the SP standard tape.
2. Connect the oscilloscope CH1 to EYM03 (HÕD)
and CH2 to EYM11 (V.OUT)
3. Set the oscilloscope sync to CH1, and adjust
VRM601 for 6.5H ± 0.5H waveform as shown
in the figure.
SW30Hz
SWITCHING POINT
PULSE
Ch2 Ch1
VIDEO
OUTPUT
VR
TR
Samsung Electronics
+ _
6.5H 0.5H
Fig. 3-20
Alignments and Adjustments (VCR)
Fig. 3-21
3-9