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Sanyo VHR-390EX Service Manual page 7

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"L
P1B102OOD-S1
.;
TP182 ~
1
rvR'8' -
TP183 =
TP181 ~~
Shieldcase
o
I
W-1
PWB ASS'Y
Fig. 2.1.2
NOTE:
.
Self-recording means "Record any broadcasting or video
signal and play back the just-recorded portion".
2-1-3. SWITCHING
POSITION
ADJ.
Measuring Point
Measuring Equipment
ADJ. Condition
TP1OI
Oscilloscope
PLAY(SP)mode
(VIDEO OUT)
Test tape
TP183 (SW-P)
(VHJ-0009 or
VHJ-0023)
ADJ. Location
ADJ. Value
VR351 (SW-P)
6.5 H f 0.5 H
1.
Set the tracking control position to the center by pressing
CHANNEL buttons (+) and (-) simultaneously.
(Tracking
center
position
display
in the indicator
panel "T -:-
")
2.
Adjust VR351 (SW-P) so that the width "T" becomes 6.5 H
~ 0.5 H as shown in Fig. 2.1.3.
WFS101
T=6.5 H t 0.5 H
-
+
0.5 H
wW,,u
,
Front edge
of vertical sync signal
t
f
Rise
RF. SW. PULSE
Fig. 2.1.3
2-1-4. STILL V-LOCK
ADJ.
T
Measuring Point
Picture of
monitor TV
~., ,,,,,
"
.,
:
Measuring Equipment
Color bar generator
or
Broadcasting
Monitor
ADJ. Condition
Self-recording
(SI'
mode)
STILL mode
Blank tape
———————
Self-recording
(LP mode)
STILL mode
Blank tape
I
ADJ. Location
I
ADJ. Value
CHANNEL (+) button
The minimum vertical shake
CHANNEL (-) button
1.
Play back the just-recorded
portion and then set the
VCR in the STILL mode.
2.
Press the CHANNEL (+) button or the CHANNEL (-)
button so that any vertical shake of
the picture is
brought to its minimum.
-7–

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