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TP183
1
(SW-P)
(1
/
I
l:;
. .
6-
VP-1 PWB Assembly
Fig. 2-1-2
Note:
Set the RECIPLAY 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.
I Measuring Point I Measuring Equipment I Adj. Condition
I
TP101
Oscilloscope
PLAY (SP) mode
(VIDEO OUT)
Alignment tape
TP183
VHJ-0009
(RF
SW-P)
(PM-S6)
Adj. Location
Adj. Value
REC
button
CHANNEL (+/–) button
6.5 H ~ 0.5 H
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
6.5 H adjustment is done. When this value stops, adjustment
value almost becomes 6.5 H.
3.
Observe
the video output
signal
by the oscilloscope,
triggered by the fall down point of RF SW PULSE (TPI 83),
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-l-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 theE2PROM.
(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.
I
I
Start of play
REC button
back display
ON
,
sees.
, sees.
I
Fig. 2-1-3
1.
T=6.5H ~0.5H
4
]
lH
0.5H
'1
I
Front edge of
vertical eync signal
1 l%,,
RF. SW PULSE
Fig. 2-1-4
2-1-4.
SP STILL
V-LOCK
ADJ.
Measuring
Point
Measuring Equipment
Adj. Condition
Picture of
Monoscope
pattern
Self-recording
monitor
(SP mode)
STILL
mode
Adj. Location
Adj. Value
CHANNEL
(+)
or (–) button
The minimum vertical shake
1.
Set the REC/PLAY SPEED button to the SP mode.
2.
Play back the own recorded portion of the tape and then set
the
VCR
in the STILL mode.
3.
Press the CHANNEL (+) or (–) button so that the vertical
shake of picture becomes its minimum.
"w
–lo–
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