Table of Contents
Advertisement
" VC-9OET
Adjusting point | R218 (EE level control)
2.0 + 0.1Vp-p (not terminated)
. Set the unit in record mode.
Adjustment of white clip
1. Place the unit to the redord mode.
4. Observing the output at TP201, adjust R223
(white clip control) so that the white peak
overshoot be 80 + 4%.
5. Make sure that the dark peak overshoot is
50+ 10%.
=
2.0Vp-p
WHITE
CLIP
80%
100%
Soi
Figure 2-8
20psec/div
Adjustment of FM3.8MHz and 4.8MHz
Measuring
| Frequency
'
Recording
Self-recording /
playback
Input signal | External input
ep
colour
;
;
ar (stair-case
inesiana)
waveform)
Test point
TP205 (Signal)
|Video output
TP202 (Ground) | terminal
Adjusting
R227 (FM
R228 (Deviation
point
carrier control) | control)
Specification | 3.8
1.0 + 0.04 Vp-p
MHz + 50KHz
Note.1:
completely adjusted.
Note.2:
with a 75-ohm impedance.
Note:
Do not connect anything to the external input
terminal.
Note:
Make sure the white clip control is not now
applied to the waveform.
4. Feed the colour bar signal and make sei4-
recording and playback.
Advertisement
Table of Contents
