Sony TRINITRON KV-A2121D Service Manual page 9

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1-5.
CONNECTIONS
AND OPTIONAL FUNCTIONS
Video programme playback
Using the input selector, pictures coming from a video taperecorder connected to
the TV sets input, may be played back.
Operation
This TV set may be connected to other audio/video machines, such as videocameras, VTRs, videodisc players,
or stereo systems.
Connection to an external audio/video system
This TV set incorporates three groups of connectors, for input and output to the TV signal. Each group has the
following characteristics.
Select the desired video
ven
The symbol of the selected
input by pressing 2
'4:|
input appears on the screen
repeatedly.
.
(see table hereunder).
Normal audio/video signal or RGB
TV tuner audio/video signal
signal
Normal audio/video signal and
Audio/video signal from a selectable
S-video signal
source
+3, ©, -S front pane!
Normal audio/video signal and
No signal
S-video signal
Press © button to revert to TV mode.
Selectable inputs
Selected input
Connection of a TV set
Temporary connection of video apparatus
-
-
For a temporary connection (e.g. of a videocamera)
use the front panel terminals.
Audio/video signal from &-1 connector.
RGB signal from &1 connector.
Auclio/video signal from ~2/6- connector.
Television set
S-video signal (from a VTR with S-video output)
from G-2/6- connector.
Audio/video signal from ©, -connector located
on the front panel.
Connection cabie with 21-pin
* Use this connector to
connector (commercially
connect a video set
¢ available)
with S-video output.
S-video singal from S-video -¢3 (4 pin) connector
located on the front panel.
VTRs, 8 mm.
Videocameras,
Videodisc
players, ecc.
|
Input can be selected also with p_J-- €) buttons of the TV set.
tos
lormal only
:
as
For S-video connector use YC-15
or YC-15E cable (optional).
In this case, first select <), and then press the + /— buttons to select the desired
input.
Connection of an audio unit
Connection of a video taperecorder through the 1r
Selection of video output from a GE 2/G connector
connector
Connect the antenna input (AERIAL-IN) of the TV set
to the antenna output (AERIAL-OUT) of the video
taperecorder.
S-video input (Y/C input)
The video signal is formed by two separate signals:
the luminance (Y) and the chrominance (C). Through
the separation of the two signals it is possible to
improve picture quality (jiuminance in particular),
preventing reciprocal interferences. This TV set
features two S-video sockets able to directly receive
this type of signal.
Pictures with distortion
Move the TV set away from the video taperecorder if
The G: 2/&- connector may output 4 video signals. Setect the outgoing video signal
Audio set
in the following way.
Operation
"Connection cable
{eee
:RK-74A (optional)
_
3
Press G+ repeatedly to
select the desired video
input.
The selected video input
symbol appears on the screen
(see the table following).
Output signal
pictures or sound become distorted.
Selected output
1G
Audio/Video signal from &--1 connector.
=)
Ea
2G
Audio/video signal from G- 2/63- connector.
Connection cable wih 21-pin
Ae
30°
Audio/video signal from € and ~) connectors.
connector (commercially available). *
:
5
fee
Wo
Audio/video signal from T-type antenna
connector
+.

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