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(3)
Adjust
the VP (vertical)
and the HP (horizontal)
position
using
the 4,
buttons.
(4)
Press
the Memory
Initialize
key of the R/C to store
the
value
in memory.
If you do not have this key, short
the
pins of the 2 pin connector
PI1 for one second,
then
remove.
(5)
Select
PIP mode
and shift the sub-picture
using
the
SHIFT
button.
Distance
between
PIP and edge
of screen
should
be equal
when
shifted.
if it is not, repeat
(i)-(5).
2.5
Surround
Operation
Check
Adjustment
Preparation
Input the following
audio
signals
to the audio
input of the
VIDEO
INPUT
terminals.
When
checking
surround:
L CH: 400Hz
sine wave
475mVrms
R CH: 5kHz
sine wave
475mVrms
Set the INT. SPEAKER
: ON
Set the volume
controls
of FRONT
and REAR to center.
Set the BASS, TREBLE
and BALANCE
to center.
Note:
Front waveform:
Front
speaker
output
of the set.
Rear waveform:
Rear speaker
output
of the set.
2.5.1
Surround
Off Check
(1)
Set to SURROUND:
OFF and check
that the waveform
shown
below
is obtained.
Front
OSms/div
@KHz)
Front
(400Hz)
Note:
REAR
output
is no signal.
2.5.2
Surround
Off/Monaural
Check
Adjustment
Preparation
Check
that the following
waveform
is obtained.
The amplitudes
of 2 channels
are equal.
Front
Note:
Monaural
check
can be omitted.
REAR
output
is no signal.
400Hz
400Hz
2.5.3
Matrix
Surround
Check
Adjustment
Preparation
(1)
Set to SURROUND
: MATRIX
Check
that the following
waveforms
are obtained.
Front
: Check
that the phases
of R and L are different
and 400H.z
is superimposed
on 5kHz.
The amplitudes
of R and L are different.
Rear
: Check
that the phases
of R and L are
opposite
and 400Hz
is superimposed
on
SkHz.
Front
Rear
O.Sms/div+
0.5ms/div+
2.5.4
Matrix
Surround/Monaural
Check
Adjustment
Preparation
Check
that the following
waveforms
are obtained.
Front
: R and
L waveforms
are almost
equal.
Rear
: R and L waveforms
are almost
zero.
Rear
400Hz
400Hz
2.5.5
Hall Surround
Check
Adjustment
Preparation
(1)
Set to SURROUND
: HALL.
Check
that the following
waveforms
are obtained.
Front
: Check
that the phases
of R and L signals
are
different
and 4OOHz
is superimposed
5kHz.
Rear
: Check
that the phases
of R and L are
opposite
and 400Hz
is superimposed
on
5kHz.
The amplitudes
of R and L are equal.
Front
Rear
0.5ms/div-t
O.Eims/div+
Note:
Amplitude
levels
of front
R and L are not even.
18
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