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SI-14S05(N)
2/2
P1B25800B-S 1
DI
o
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.
'w
I Measuring
point
TPIOI
(VIDEO OUT)
TP183 (SW-P)
Measuring Equipment
ADJ. Condition
Oscilloscope
PLAY mode
Alignment tape
(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 is displayed on the indicator
panel as shown "T -:-
")
2.
Adjust VR351 (SW-P) so that the width"~
becomes 6.5 H
~ 0.5 H as shown in Fig. 2.1.3.
WS.SWP
T= 6.5 H t 0.5 H
P
+
M
&fl""u, ,
Front edge of
I
vertical sync signal
\
t
Rise
RF. SW. PULSE
Fig. 2.1.3
2-1-4. SLOW TRACKING
ADJ.
~
Measuring Point
Maasuring Equipment
Broadcasting
Monitor
I
ADJ. Condition
Self-recording
(SP mode)
SLOW mode
Blank tape
.—— ——-— —— —-.
Self-recording
(LP mode)
SLOW mode
Blank tape
AW.
Location
ADJ. Value
CHANNEL (+) button
—
CHANNEL (-) button
1.
2.
3.
4.
5
6.
Set the tracking control to the center position by pressing
CHANNEL buttons (+) and (-) simuhaneouslY.
(Tracking center position is displayed on the indicator
panel as shown "T -:-
")
Play back the self-recoreded
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.
Notes
CHANNEL button also servers as TRACKING button.
.
When the CHANNEL
button is released,
after a few
seconds, the display on the indicator is turned to time
display.
–7–
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