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Note:
• Set the REC/PLAY SPEED button to indicator panel in
the SP mode.
• Self-recording means "Record any broadcasting or video
signal and playback the just-recorded portion."
2-1-3. SWITCHING POSITION ADJ.
Measuring Point
Measuring Equipment
TP101
Oscilloscope
(VIDEO OUT)
TP183
(RF SW-P)
Adj. Location
REC button
CHANNEL (4/$) button
PLAY button
1. At playback starts, press the REC button 3 times within
3 seconds after the playback picture comes out. However,
these 3-push must be done within 2 seconds, and last
push must be kept pressed for 0.5 seconds. (Fig. 2-1-3)
2. "P 0:00" is appeared in FLD, and it becomes the
adjustment mode. This indication value changes
automatically, and 6.5H adjustment is done. When this
value stops, adjustment value almost becomes 6.5H.
3. Observe the video output signal by the oscilloscope,
triggered by the fall down point of RF SW PULSE
(TP183), and confirm that a front edge of V-SYNC is
delayed for 6.5 H ± 0.5 H from the fall down point of RF
SW PULSE. (Fig. 2-1-4)
4. After the adjustment data is fixed (it should be within 15
seconds from the adjustment mode start), press the
PLAY button more than 1 second. Then the indication
changes to "P – : – ", it writes the data (delay quantity)
to theE
2
PROM. (If it passes through 15 seconds before
pushing the PLAY button, the intake of the data isn't
done, and it finishes the adjustment mode.)
5. If it is not in 6.5 H ± 0.5 at the time of the confirmation by
the above 3., make manual fine adjustment by pressing
the CHANNEL button, and do the operation of 4.
VP-1 PWB Assembly
Adj. Condition
PLAY (SP) mode
Alignment tape
(KRV-51P)
Adj. Value
6.5 H ± 0.5 H
6-5
TP183
TP182
(ENV.)
(SW-P)
Start of play
REC button
back display
ON
Within 3
Within 2
secs.
secs.
T = 6.5H ± 0.5H
1H
RF. SW. PULSE
Fall
2-1-4. SP STIL V-LOCK ADJ.
Measuring Point
Measuring Equipment
Picture of
Monoscope pattern
monitor
Adj. Location
CHANNEL (4) or ($) button
1. Set the REC/PLAY SPEED button to the SP model.
2. Play back the own recorded portion of the tape and then
set the VCR in the STILL mode.
3. Press the CHANNEL (4) or ($) button so that the vertical
shake of picture becomes its minimum.
Fig. 2-1-2
More
Adjusting
than
period
0.5
15 secs.
secs.
Fig. 2-1-3
0.5H
Front edge of
vertical sync signal
Fig. 2-1-4
Adj. Condition
Self-recording
(SP mode)
STILL mode
Adj. Value
The minimum vertical shake
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