Sony AV-3420CE Service Manual page 8

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Releases
the pinch roller from
the capstan temporarily
to pro-
duce a still-frame picture.
STILL knob:
Automatic shut-off
Power
to the VTR is shut
off
switch:
by
a
microswitch
when
tape
slackens or runs out.
1-4.
OPERATION
1-4-1.
Power Source
The AV-3420CE
Videocorder
operates
from
a
built-in
rechargeable
battery
pack.
Ac
power
is
supplied
by connecting
the
AC-3420CE
ac Power
Adaptor
which also permits battery charging.
Oper-
ation from a 12V car battery is also possible using
the DCC-2400
Car Battery Cord (optional).
Battery installation
1.
Open
the
battery
compartment
cover
by
turning the screw with a coin.
Fig. 1-5
3.
Install
the battery
pack
and close the com-
partment
cover.
Battery life
A
fully-charged
battery
allows
approximately
30 minutes of continuous operation of both Video
corder and camera.
The pointer of the BATTERY
meter shows battery condition when the Videocorder
is turned
on; a white-zone
reading shows
that the
1-4
battery
is in good
condition,
a red-zone
reading
shows
that the battery is discharged.
The Video-
corder
and
camera
will not perform properly with
a weak
battery.
If the pointer of the BATTERY
meter
is in the
red
zone,
recharge
the
battery
at once.
Note: The
battery
is fully charged
when
it
leaves the factory.
However,
an idle
battery will discharge slowly over a long
period of time.
Therefore, the battery
may not yield a full 30 minute operation
when it is first put into service.
Full
capacity will be restored, however, after
the first recharge.
Car battery operation
Insert
the
cigarette-lighter
plug
of
the
car
battery cord into the cigarette lighter socket in the
car and
male
plug of the other end into the EXT
POWER
IN connector
on
the Videocorder.
For
further
details,
refer
to
the
instruction
manual
included
with
the
DCC-2400
Car
Battery
Cord.
Ac power operation
1.
Plug
the power
cord
of the
AC-3420CE ac
Power Adaptor into an ac outlet.
2.
Insert the round plug of the adaptor into the
EXT
POWER
IN
connector
on
the
Video-
corder.
3.
Press the adaptor POWER
switch on.
The red
Pilot
Lamp
will light and power
will be sup-
plied to the Videocorder.
(EXT POWER IN)
AC-3420CE
Fig. 1-6
AC-3420CE connection
1-4-2.
Tape Threading
1,
Place
an
empty
reel
on
the
Take-Up
Reel
Spindle
and
a full reel on the
Supply
Reel
Spindle.

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