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P55900B
"'82?1
I-'TP'8''"P'V'"V'"
TP183
m
Shield case m-
\\
I
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. SWITCHING
POSITION ADJ.
Measuring
Point
Measuring Equipment
TPIO1
Oscilloscope
(VIDEO OUT)
TP183 (SW-P)
1
7
Adj. Condition
PLAY mode
Alignment tape
(VHJ-0009 or
VHJ-0023)
Adj.
Location
Adj. Value
VR351 (SW-P)
6.5 H + 0.5 H
1.
Play back the alignment tape.
2.
Set the tracking control position to the center by pressing
CHANNEL buttons (+) and (–) simultaneously.
3.
Adjust VR351 (SW-P) so that the width of "T' becomes 6.5
H * 0.5 H as shown in Fig. 2-1-3.
I
WS-SWP
r
T=6.5H 20.5H
lH
0.5H
1
Front edge of"
vertical sync signal
?
t
J
' Rise
RF. SW. PULSE
Fig. 2-1-3
2-1-4. SLOW TRACKING
ADJ.
F
Measuring Point
Picture of
monitor TV
L
pleasuring Equipment
Color bar generator
or
broadcasting
monitor
I
Adj. Condition
Self-recording
(SP mode)
SLOW
mode
Blank tape
Self-recording
(LP mode)
SLOW mode
Blank tape
I
Adj. Location
I
Adj. Value
I
1
CHANNEL (+) button
I CHANNEL (-) button
I
.
-
'
I
1.
2.
3,
4.
5.
6.
Set the tracking control to the center position by pressing
CHANNEL buttons (+) and (–) simultaneously.
Play back the self-recorded
portion and set the VCR in the
_
SLOW mode with the remote control unit.
Confirm that there is no noise on the slow playback display.
Press the CHANNEL
button (+) about three times and
check that noise dose not appear at the upper part of the
display,
Adjust the tracking control to the center again.
Press the CHANNEL button (–) the same number of times
as in the step 4 (about three times) and check that noise
dose not appear at the lower part of the display.
Note:
.
CHANNEL button also servers as a TRACKING
button.
I
–lo–
—
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