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Sanyo VHR-420 Service Manual page 7

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SI.14B29(N)
2J2
P1B08800C.S1
Shield case
'0
+
J~T
~
'1
-.
0
-——
TP181
REC Current
TP183 SW-P
VR182 REC-YIC
TP182 ENV
VP-1 PWB Assembly
Fig. 2.1.2
Note:
Self-recording
means 'Record any broadcasting
or video
signal and play back the just-recorded
portion=.
2-1-3.
SWiTCH[NG
POSITION ADJ.
Measuring Point
Measuring
Equipment
ADJ. Condition
TPIOI
Oscilloscope
PLAY mode
(Video Out)
Alignment
tape
TP183 (SW-P)
(VHJ-0009 or
VHJ-0023)
ADJ. Location
AIM. Value
VR351 (SW-P)
6.5 H kO.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
of 'T" becomes
6.5 H f 0,5 H as shown
in Fig. 2.1.3.
WS.SWP
T= 6,5 H f 0.5 H
I
verticalsync signal
+
t
Rise
RF. SW. PULSE
Fig. 2.1.3
2-1-4.
STILL V-LOCK ADJ.
]Measuring Point I Measuring
Equipment
I ADJ. Condition
I
Picture of
Color bar generator
Self-recording
monitor
TV
or
STILL mode
Broadcasting
Blank tape
Monitor
I
ADJ. Location
I
ADJ. Value
I
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 orthe CHANNEL(-)
button
so that any vertical shake of the picture is brought
to its
minimum.
–7–

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