EasyManua.ls Logo

Panasonic AG-7350 Series - Normal Audio Bias Current Adjustment (for Ag-7350); Normal Audio Rec Current Adjustment

Panasonic AG-7350 Series
214 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
5-3-49.
NORMAL AUDIO
BIAS
CURRENT
ADJUSTMENT
(FOR
AG-7350)
TP ADJ.
MODE INPUT
VR4003
(S-VHS
CH1)
X
A/C
HEAD
VR4009
(S·VHS
CH2)
PAL
VHS,
S-VHS
VR4002
(VHS
CH
1)
RECORDEING
VR4004
(VHS
CH2)
TAPE M.
EO.
SPEC.
S-VHS, VHS
V.T.V.M
S-VHS:
5.5±0.1
mVrms
BLANK
TAPE
VHS:
4±0.1
mVrms
1.
Insert a
S-VHS
blank
tape
and place
the
unit
in
S-VHS
recording mode.
2.
Connect
the
V.T.V.M
to
the
A/C Head
as
shown
in
Figure E47.
3.
Adjust
VR4003 (CH1)
and
VR4009 (CH2)
for
5.5
+/-0.1
mVrms.
4.
Insert a VHS blank
tape
and
place the
unit
in
normal VHS recording mode.
5.
Adjust
VR4002
(CH
1)
and VR4004 (CH2)
for
4
+/-0.1
mVrms.
VV1
VV2
CH2
CH1
I
HOT GND HOT GND
\ \ I
TP
Figure E47
5-3-50.
NORMAL AUDIO REC CURRENT
ADJUSTMENT
TP
ADJ.
MODE INPUT
TP4007
(CH1),
1kHz,
-8dBv
TP4012
(CH2)
VR4010 (CH1)
PAL
SELF
SINEWAVE
NORM/Hi·Fi
OUT
VR4011 (CH2)
RECORDING
COLOUR
BAR
(CH1/CH2)
TAPE M.
EO.
SPEC.
BLANK
TAPE
V.T.V.M
S-VHS:
0±0.5dBv
VHS:
0±1.0dBv
1.
Insert a
blank
tape
and
place
the
unit
1n
recording mode.
2.
Connect
two
V.T.V.M.s
as
follow.
V.T.V.M.(1).
NORM/HI-FI
CH1/CH2 OUTPUTS
V.T.V.M.(2):
TP4007 (CH1) I TP4012(CH2)
3.
Set
the
signal
generator
to
1kHz,
-8dBv
and
supply it
to
the
NORM/Hi-Fi
Audio Input
(CH1/CH2).
4.
Pre-adjust
VR4010 (CH1)
and
VR4011 (CH2) so
that
the
reading
of
V.T.V.M (2)
are
approx.
400mVp-p.
And it suppose
the
reading
of
V.T.V.M.(1)
would
be
OdBm
in
this
time.
5.
After
this
adjustment,
record a colour
bar
and
1KHz,
-8dBv
sinewave signal
for
a few minute.
And
playback
the
just
recorded
portion
and
confirm
that
the
audio
level
at
the
NORM/HI-FI
CH
1 /CH2
output
for
Odbm.
6.
If
the
playback
audio
level
at
the
NORM/HI-FI
CH
1 /CH2
outputs
are
not
Odbm,
re-adjust
VR401
O(CH
1), VR4011 (CH2) based on
400mVp-p
at
TP4007/TP4012
and
repeat
steps
3
to
6.
5-3-51.
NORMAL AUDIO TIME CODE METER
LEVEL
ADJUSTMENT
(AG-7350)
TP ADJ.
MODE INPUT
CH2AUDIO
VR4001
PAL
TIME
CODE
METER RECORDING
SIGNAL
TAPE M. EO.
SPEC.
BLANK
TAPE
X
0±0.5Vu
1.
Install
RS-232
interface
with
time
code
generator/Reader
board
(AG-IA232TC)
into
the
VTR.
2.
Set
the
Audio CH2 selection on
the
OSD
to
the
Time Code mode.
3.
Set the
Meter
select SW
to
the
Normal.
4.
Place
the
unit
in
the
time
code recording
5.
Adjust
VR4001 so
that
the
audio
CH2 level
meter indicates 0
+/-~_5VU
point
on the
front
panel.
5-19
1-
z
w
::E
l-
en
:::;)
...,
c
<
...J
<
0
a:
1-
0
w
...J
w

Table of Contents

Related product manuals