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8-9-8. Switching
Position
Adjustment
Tool:
Alignment
tape,
RR5-1SD
Oscilloscope
Extension
board (EX-128)
Preparation:
(1)
Connect
the oscilloscope
as follows:
CH1: TP104/SV-88
CH2:
TP106/SV-88
EXT.TRIG:
TP-106/SV-88
(2)
Set
the Bit 8 of S201
on the SV-88
Board
to
ON.
Check
that
the
Bit
7 of S201
and
S202
on
the
SV-88
Board
are
set
to
OFF.
(Release
the H Lock.)
(3)
Turn the TRACKING
volume
to FIXED.
(4)
Playback
the
color-bar_
signal
portion
of the
alignment
tape.
Check
procedure:
(1)
Cheek
that
switching
pulse
waveform
meets
the
required
specification.
(2)
If
it
meets
the
required
specification,
reset
S201
and
S202
on
the
SV-88
Board
to OFF.
Adjustment
procedure:
(1) Adjust
RV103
and
RV104
on
the
SV-88
Board
to
meet
the
required
specifi-
cation.
(2)
After
adjustment,
reset
S201
and S202
on
the
SV-88
Board
to OFF.
Spec.:
mre
UU
TP106
2.25H + 5us
@ RV104
rere TUL
TP106
2.25H + 5us
@ RV103
8-19
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