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JVC AV-2750S Service Manual page 17

27” color monitor / receiver

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EXT SPKR terminals
Rear Panel
FET a
BAMARBLL! waite pe SURRdUNO
'svioto
1
ot
1)
woo ut
Tt
®
EXT SPKR switch
Listening to surround sound
"Surround sound" is a sound reproduction process resulting
in a three-dimensional aural experience that is a combina-
tion of "surround 'effect sound" and
"normal
sound",
delivered from both of left and right channels at: the same
time.
@ The surround
effect sound
is possible only when the
sound source being listened to is stereo. (In the case of
monaural
sound
source,
no sound
from
the speakers
connected to the external speaker terminals will be out-
put. Therefore, listening to surround sound is impossible.)
@ Set the marker of the scale of the BALANCE adjustment
made to its center position using the FUNCTION button(s}
and/or the AV STATUS/RESET button. See page 13.
(B} When connecting speakers to the EXT SPKR terminals
(t) Connect speakers to the EXT SPKR terminals.
(2) Set EXT SPKR switch @ to SURROUND 2.
{A} When using an external stereo component system
(1) Connect each component as iilustrated.
(2) Set EXT SPKR switch @ to SURROUND 1.
Surround
Surround
effect
sound
Speaker
Speeker
{Left}
(Right)
From
EXT
Surround
|
SeGh
effect
e) teromnats
Surround
< Speaker positioning >
sound
L
effect sound
As shown below, position the speakers so that the
normal sound can be heard in front and
the sur-
round effect sound can be heard in back of the listen-
-ing position,
Speaker
(Left)
From AUDIO OUT
(VARIABLE)
connectors
Speaker
(Right)
Amplifier
vers (@))}
eel
ODE
es
ee ee
a
Speaker
Z1:(09€0S°0N)
~26 —
Picture rolls vertically.
=a
Noise bars on screen,
se
Picture blurred.
Lines or.streaks in picture.
4
Weak picture.
THEN,
CALL
FOR
SER-
VICE
PERSONNEL,
Be sure to disconnect the
power
plug, and
never try
to service the TV yourself.
Important:
An
outdoor
antenna..sys-
tem
of good
quality and
condition is recommended
to eliminate
many
service
problems.
i
reer
oxen | ——+
TV on and off, then check whether the Remote Control is
working or not.
Type
: Color monitor/receiver
Line output terminals
: Video/1 Vp-p, 75 ohms
:
Audio/500 mV rms (-4 dBs), low
impedance (400 Hz when
modulated 100 %).
: Y/1 Vp-p positive, 75 ohms
(negative sync provided)
C/0.286 Vp-p (burst signal), 75 ohms
Reception system
: NTSC system, BTSC system
(Multichannel sound)
: VHF 2 — 13, UHF 14 — 69; Sub-
Mid, Mid, Super, Hyper and Ultra
bands (180-channel frequency
synthesizer system)
: AC 120 V, 60 Hz
: Max. 147 W, Avg. 103 W
Channel coverage
S-VIDEO IN terminal
Power requirement
Power consumption
Variable audio output
terminals
: More than 0 — 1550 mV rms
Design and specifications subject to change without natice,
Pay y ees
SO9L¢-AV
SOSL¢c-AV

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This manual is also suitable for:

Av-2760s