JVC AV-2750S User manual

BASIC CHASSIS
AV-27505...
AV-2 7 60 Su
CONTENTS
ME SPECIFICATIONS ......... ec e eee eee renee isda ak silalatierien dt ae Wie iaite “eis in 9: ORR SEN Hts 2
MI SAFETY PRECAUTIONS ........- 22 -e cence cece rete cere cette e neste ene eeenees 3
Mi OPERATING INSTRUCTIONS ........ 02 cece cect eee eee rete tee teeter eens 4
M@ SPECIFIC SERVICE INSTRUCTIONS .... 2... eee eee eee e ee eee e eens seis 18
M SERVICE ADJUSTMENTS .. 1... cc ccc ccc cette te eee eee eee ene t eens 20 ©
M PARTS LIST 2... ecw ccc ccc cee eee reser reece ene e emer en eneeensens 25
% SCHEMATIC DIAGRAM(APPENDED) ........- ccc ce cece ence ce nene Liaaws ys reese O~@
e AV-2750S and AV-2760S are electrically identical,but their colors are different.Both models
are described in this service manual.

AV-2750S |
AV-2760S
SPECIFICATIONS _
Dimensions
Weight.
Tv System and Color, Sound System
TV RF System :
Color, Sound System
TV Receiving Channels and Frequency
VL Band
“VH Band
UHF Band
CATV Receiving Channels and Frequency
(Quartz Synthesizer System)
Low Band
High Band
Mid Band
Super Band
Hyper Band
ULTRA Band
Sub Mid Band
TV / CATV Total Channel
Imtermediate Frequency
Video iF Carrier
Sound IF Carrier
Color SUb Carrier
Antenna Input Impedance
Power Input
Power Consumption
Picture Tube
Viewable Picture Size
High Voltage
Speaker
Audio Power Output
Video External Input
Audio External input
Video Line Output
Audio Line Output
S-VIDEO IN
Variable Audio Output
"2 (No.50360)
‘Design
&
specification
subject
to
change
without
notice.
65.10m(W) x 52.0cm(D) x 57.5em(H)
37.8kg
CCIR(M)
NTSC,BTSC (Multichannel Sound)
(02~06) 54MHz~88MHz
(07~ 13) 174MHz~216MHz
(14~69) 470MHz~ 806MHz
(02~06, A-8) by (02~06, 01)
(07~13) by (07~13)
(A~l) by (1422)
(J~W) by (23~36)
(W +1~W + 28) by (37~64)
(W + 29~W +84) by (65~ 125)
(A8, A4~A1) by (01, 96~99)
180 Channels
45.75MHz
41.25MHz (4.5MHz)
3.58MHz
75Q (VHF / UHF) Terminal, F-Type Connector
120V AC, 60Hz
147W (max. ), 103W (avg. )
27”In-Line Type, Full-Square Tint Tube
54.1 cm (W) X40.6em (H)
27.5KV ~ 30KV
8x 12cm oval Type x2
SW +3W
4 Vp-p 75Q
500 mV rms (-4dBs), High impedance
1 Vp-p 752
500 mV rms (-4dBs)
Low Impedance (400Hz, 100% modu. )
Y:1 Vp-p (Positive) , 752 (Negative sync provided)
C:0.286 Vp-p ( burst signal ), 752 ;
More than 0~1550mV rms (+ 6dhbs)
Low Impedance (400Hz, 100% modu.)
(54MHz~804MHz)

SAFETY
PRECAUTIONS
The
design
of
this
product
contains
special
hardware,
many
circuits
and
components
specially
for
safety
purposes.
For
continued
pro-
tection,no
.changes
should
be
made
to
the
original
design
unless
authorized
in
writing
by
the
manufacturer.
Replacement
parts
must
be
identical
to
those
used
in
the
original
circuits.
Service
should
be
(1)
Dielectric
Strength
Test
:
performed
by
qualified
personnel
only.
The
isolation
between
the
AC
primary
circuit
and
all
metal
parts
ex-
2.
Alterations
of
the
design
or
circuitry
of
the
products
should
not
be
posed
to
the
user,
particularly
any
exposed
metal
part
having
a
re-
made.
Any
design
alterations
or
additions
will
void
the
manufactur-
turn
path
to
the
chassis
should
withstand
a
voltage
of
1100V
AG
er’s
warranty
and
will
further
relieve
the
manufacturer
of
responsi-
(r.m.s.)
for
a
period
of
one
second.
bility
for
personal
injury
or
property
damage
resulting
therefrom.
(....
Withstand
a
voitage
of
1100V
AC
(r.m.
s.)
to
an
appliance
‘rat-
3.
Many
electrical
and
mechanical
parts
in
the
products
have
special
oF
up
to
120V,
and
3000V
AC
(r.m.s.)
to
an
appliance
rated
200V
safety-related
characteristics.
These
characteristics
are
often
not
or
more,
for
a
period-of
one
second.)
evident
from
visual
inspection
nor
can
the
protection
afforded
by
This
method
of
test
requires
a
test
equips
not
generally
f
found
them
necessarily
be
obtained—by—using
replacement-components—————~-in-
_the_service_trade.
rated
for
higher
voltage,
wattage,
etc.
Replacement
parts
which
(2)
Leakage
Current
Check
have
these
special
safety
characteristics
are
identified
in
the
parts
Plug
the
AC
line
cord
directly
into
the
AC
outlet
(do
not
use
a
line
list
of
Service
manual.
Electrical
components
having
such
fea-
isolation
transformer
during
this
check.)
Using
a
"Leakage
Current
tures
are
identified
by
shading
on
the
schematics
and
by
Tester”,
measure
the
leakage
current
from
each
exposed
metal
part
(
A)
on
the
parts
list
in
Service
manual.
The
use
of
a
substi-
of
the
cabinet,
particularly
any
exposed
metal
part
having
a
return
tute
replacement
which
does
not
have
the
same
safety
characteris-
path
to
the
chassis,
to
a
known
good
earth
ground
(water
pipe,
tics
as
the
recommended
replacement
part
shown
in
the
parts
list
etc.).
Any
leakage
current
must
not
exceed
0.5mA
AC
(r.m:s.).
of
Service
manual
many
create
shock,
fire,
or
other
hazards.
'
@
Alternate
Check
Method
,
4.
Use
isolation
transformer
when
hot
chassis.
Plug
the
AC
line
cord
directly
into
the
AC
outlet
(do
not
use
a
line
The
chassis
and
any
sub-chassis
contrained
in
some
products
are
isolation
transformer
during
this
check.).
Use
an
AC
voltmeter
hav-
connected
to
one
side
of
the
AC
power
line.
An
isolation
transform-
ing
1,000
ohms
per
volt
or
more
sensitivity
in
the
following
manner.
er
of
adequate
capacity
should
be
inserted
between
the
product
Connect
a
1,5002
10W
resistor
paralleled
by
a
0.15yF
AC-type
ca-
and
the
AC
power
supply
point
while
performing
any
service
on
pacitor
between
an
exposed
metal
part
and
a’
known
good
-earth
some
products
when
the
HOT
chassis
is
exposed.
ground
(water
pipe,
etc.).
Measure
the
AC
voltage
across
the
resis-
5.
Don’t
short
between
the
LIVE
side
ground
and
NEUTRAL
tor
with
the
AC
voltmeter.
Move
the
resistor
connection
to
each
ex-
side
grounding
or
EARTH
side
ground
when
repairing.
posed
metal
part,
particularly
any
exposed
metal
part
having
a
re-
Some
model's
power
circuit
is
partly
different
in
the
GND.
The
dif-
”
turn
path
to
the
chassis,
and
measure
the
AC
voltage
across
the
re-
ference
of
the
GND
is
shown
by
the
LIVE
(1)
side
GND,
the
NEU-
sistor.
Now,
reverse
the
plug
in
the
AC
outlet
and
repeat
each
mea-
TRAL
(ar)
side
GND
and
EARTH
(Q)
side
GND.
Don’t
short
be-
surement,
Any
voltage
measured
must
not
exceed
0.35V
AG
tween
the
LIVE
side
GND
and
NEUTRAL
side
GND
or
EARTH
side
(r.m.s.).
This
corresponds
to
0.5mA
AC
(r.m.s.}.
GND
and
never
measure
with
a
measuring
apparatus
{oscilloscope
:
k
LIVE
side
GND
NEUTRAL
si
AR
i
ae
ee
ices
and
NEU
side
GND
or
EARTH
side
AC
VOLTMETER
; -
(HAVING
10002/V,
If
above
note
will
not
be
kept,
a
fuse
or
any
parts
will
be
broken.
OR
MORE
SENSITIVITY)
6.
If
any
repair
has
been
made
to
the
chassis,
it
is
recommended
that
the
B,
setting
should
be
checked
or
adjusted
(See
ADJUSTMENT
OF
B,
POWER
SUPPLY).
7.
The
high.
volliege
applied
to
the
picture
tube
must
conform
with
that
PLACE
THIS
PR
OBE
specified
in
Service
manual.
Excessive
high
voltage
can
cause
an
increase
in
X-Ray
emission,
arcing
and
possible
component
dam-
15002
10W
ON
EACH
EXPOSED
age,
therefore
operation
under
excessive
high
voltage
conditions
GOOD
EARTH
GROUND
METAL
PART
should
be
kept
to
a
minimum,
or
should
be
prevented.
If
severe
ar-
cing
occurs,
remove
ihe
AG
power
immediately
and
determine
the
11.
High
voltage
hold
down
circuit
check.
cause
by
visual
inspection
(incorrect
installation,
cracked
or
meited
high
voltage
harness,
poor
soldering,
etc.).
To.
aisiniala:
he:
propel
After
repair
of
the
high
voltage
hold
down
circuit,
ae
circuit
shall
a
-—
:
fe
be
checked
to
operate
correctly.
minimum
level
of
soft
X-Ray
emission,
components
in
the
high
volt-
.
af
oa:
Meccan
; ,
See
item
"How
10
check
the
high
voltage
hold
down
circuit".
age
circuitry
including
the
picture
tube
must
be
the
exact
replace-
ments
or
alternatives
approvided
by
the
manufacturer
of
the
com-
,
plete
product.
8.
Do
not
check
high
voltage
by
drawing
an
arc.
Use
a
high
voitage
meter
or
a
high
voltage
probe
with
a
VTVM.
Discharge
the
picture
tube
before
attempting
meter
connection,
by
connecting
a
clip
lead
to
the
ground
frame
and
connecting
the
other
end
of
the
lead
|
ONLY
CANADA
through
a
10kQ2
2W
resistor
to
the
anode
button.
-
9.
When
service
is
required,
observe
the
original
lead
dress.
Extra
pre-
This
mark
shows
a
fast
operating
fuse,
the
letters
indicated
caution
should
be
given
to
assure
correct
lead
dress
in
the
high
below
show
the
rating.
voltage
circuit
area.
Where
a
short
circuit
has
occurred,
those
com-
.
ponents
that
indicate
evidence
of
overheating
should
be
replaced.
Always
use
the
manufacturer's
replacement
components.
10. Isolation Check
(Safety for Electrical Shock Hazard)
After
re-assembling
the
product,
always
perform
an
isolation
check
| AV-2750S
AV-2760S
on
the
exposed
metal
parts
of
the
cabinet
(antenna
terminals,
vid-
eo/audio
input
and
output
terminals,
Control
knobs,metal
cabinet,
screwheads,
earphone
jack,
control
shafts,
etc.)
to
be
sure
the
prod-
uct
is
safe
to
operate
without
danger
of
electrical
shock.
(No.50360) 3

(qagos oN) y
uw
.
COLOR
MONITOR!
RECEIVER

§ (o9¢0S°0N)
—_
h CAUTION ‘
USK OF ELECTRIC SHOCK / | \
00 NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK}.
NO USERSERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
The lightning flash with arrowhead sym-
bol, within an equilateral. triangle, is in-
tended to alert the user to the presence
of uninsulated “dangerous voltage” ~
within the product's enclosure that may
be of sufficient magnitude to constitute a
tisk of electric shock to persons.
The exclamation point within an-
equilateral triangle is intended to alert the
user) to the. presence of important
operating and maintenance (servicing) in-
structions in the literature accompanying
the appliance.
Caution:
Changes and modifications not approved by JVC could void the
user's authority to operate the equipment.
WARNING: :
TO PREVENT FIRE OR SHOCK HAZARD, DO
NOT EXPOSE THIS TV SET TO RAIN OR
MOISTURE.
CAUTION: TO INSURE PERSONAL SAFETY, OBSERVE
THE FOLLOWING RULES REGARDING
THE USE OF THIS UNIT.
. Operate only from the power source specified on the
unit.
. Avoid damaging the AC plug and power cord.
. Avoid improper installation and never position the unit
where good ventilation is unattainable.
. Do not allow objects or liquid into the cabinet openings.
. In the event of trouble, unplug the unit and call a service
technician. Do not attempt to repair it yourself or
remove the rear cover
Caution:
When you do not use this TV set for a Jong period of time, be
sure to disconnect the power plug from the AC outlet for your
safety. If the TV set is plugged into an AC outlet, a small
amount of current is applied to the TV set even if the TV set’s
power is turned off.
Thank you for purchasing a JVC color monitor/receiver (TV).
Your JVC TV carries many useful features including the MAS-
TER COMMAND system which allows operation of ‘all TV
functions via a single remote contro} unit.
To ensure your complete understanding, please read all instruc-
tions in this booklet before operation.
FEATURES
@ 27-inch FS (Full-Square) picture tube
Comb filter for improved picture quality
e 180-Channel cable-compatible frequency synthesizer tuner
with built-in MTS decoder
®@ S-VIDEO input terminal for taking best advantage of Super
VHS
® Video/audio input, line output and variable audio output
terminals
@ Surround sound capability with external speaker terminals
@ MASTER COMMAND remote control with multi-color on-
screen “Menu” display, allowing interactive, total TV opera-
tion
Installation oe ee eee eee eee eee eee
Remote Control Use :
Controts and Their Locations . .
TV Operation .......:....
Function Buttons .,........
Menu Button . 2... 2. eee ee te eee
Menu PAGE -1
1. Choice Programing 10
2. Channei Scan WW
-3. Set-up AV Status 12
Menu PAGE-2
4. Sleep Timer... ccc eee eee e ee eee eene 13
5, Set On Timer ~. 14
6. Set Clock 2... 0. ccc eee ee eee eens 15
Menu PAGE-3
7, Home Sitter... 6... ee eee eee ens 16
8. Channel Guard -. 17
9. Initial Set-up ...... .. 19
More Useful Functions ... .- 2i
Connecting to External Equipment - 22
Before You Cail for Service 27
Specifications 2... 2... 0.20.02 ee eee eee eee 27
ANTENNA CONNECTIONS
An outdoor antenna is recommended for good TV picture recep-
tion. (For installation of the outdoor antenna system, consult your
focal dealer.)
VHF/UHF outdoor. antenna
Ss
Antenna terminal
INSTALLATION
MOTE CONTROL
GABLE TV CONNECTIONS
Incoming
cable
Antenna terminal
| Some cable companies require a converter box to receive all
‘available programs, Others may require it for subscription
or “premium” programing. Consuit your local cable com-
pany for correct installation,
@| When connecting both a cable {75-ohm coaxial) and a UHF
antenna (300-ohm feeder), use the optional antenna mixer
{CE41467) to make a single connection.
From From
UHF antenna ~~ s ble
To Antenna terminat
Note: With this antenna mixer, reception of cable channels higher than
“Channel W + 1.7" is not possible.
Correct Use
@ Point to the Remote Control sensor of the TV set.
@ The maximum operable distance is approximately 23 ft
from. the Remote Control sensor, and no more than 30°
to either side of center.
®@ Operation of the Remote Control is most effective when
there is nothing between it and the Remote Control sensor.
® Duration of the batteries is approximately 6 months to
1 year. (Duration varies depending on frequency of use.) Re-
place the batteries when the remote operation becomes un-
stable.
Remote Control sensor
Front Penel
DISPLAY
aa 3
case VIDEO
Oo
mas
1 2 3
setuan "Sar 0, 2 O,
SCO00
Battery Installation/Notes
@| Press the tab and lift up the cover in the direction of the
arrow.
| Correctly install the batteries, observing (+/-) polarities as
shown.
@| Do not use a combination of old and new batteries or bat-
teries of different types.
@) If batteries become exhausted, remove and replace them
soon. :
©| If Remote Control will not be used for more than 2 weeks,
remove batteries.
®@) When battery leakage occurs, clean the battery compart-
ment with’a soft cloth and replace the batteries.
S09Zc-AV S0SZ2-AV

(o9€0S°0N) :9
‘CONTROLS AND THEIR LOCATIONS
Front
Panel
Contro!
Section
Remote
Control!
Section
:
Front Panel Control Section
@ POWER button
@ POWER/ON TIMER
indicator
@ VOLUME {-/+} buttons
@ LEVEL/CHANNEL {-/+)
buttons
@ FUNCTION button
@ Remote Contro! sensor
Rear Panel Control Section
@ Antenna terminal
@ VIDEO/AUDIO INPUT
connectors
@ LINE OUT connectors
@ AUDIO OUT (VARIABLE)
connectors
@ EXT SPKR switch
@ EXT SPKR terminals
® S-VIDEO IN connector
Remote Control Section
@ MENU button
@ DISPLAY button
@ TV/VIDEO button
@ ANT/CABLE button
@ RETURN button
@ MAIN/SAP button
@ RECALL CHOICE button ©
@ AV STATUS/RESET button
@ MUTE button
@® FUNCTION BACK button
@ FUNCTION (-/+) buttons
@ FUNCTION FORWARD button
@ CHANNEL {-/+) buttons
@ 100+ button
@ 10-Digit Keypad
(FUNCTION
RM-C424 TV REMOTE CONTROL
*Buttons @ and @ on the Remote
Control have the same functions as
those of buttons @ and © on the
front panef control section.
*Please refer to the above numbers on the
following pages.

1 OPERATION |
Front Panel
Basic Operating Procedure
Press POWER button @ on either the Remote Control or
front panel. POWER/ON TIMER indicator @ lights. Press
this button again to turn power off.
Note:Certain channels have been preset at the factory.
!t may be necessary to add or erase some channels in
your areas. See “9, INITIAL SET-UP” on page 19 for
presetting channels,
© Channels can be selected directly by using 10-Digit
Keypad @ on the Remote Control. For example, if you
select channel 5, just press “5”, or press “O” first, then
press “5”. For cable channels of 3-digit numbers, use
100+ button @ . For example, if selecting channel 120,
press 100+ button first, then press “2”, then “0”. Also
refer to the CABLE TV CHANNEL CONVERSION
CHART on the left page.
MASTER Commuane oe Ee VOLUME
Note: If the POWER/ON TIMER indicator remains lit even after the
Power is turned off, it shows the ON TIMER is in operation.
See “5. SET ON TIMER" on page 14 and "7, HOME
SITTER” on page 16.
Remote Control
B Press TV/VIDEO button @ on the Remote Control (or
the FUNCTION and LEVEL/CHANNEL (-/+) buttons on
‘L (09€0¢9°0N)
RMCA2s TY REMOTE CONTROL
First Preparations
® Connect either Antenna or Cable TV by following “Installa-
tion” instructions on page 3.
© Insert. batteries into the Remote Contro! unit by following
“Remote Control Use’ instructions on page 3.
@ Connect the power cord to 120 V, 60 Hz AC outlet. The
power cord is supplied with a potarized plug. Therefore, it
wilt only insert one way into the wall outlet. DO NOT
DEFEAT THE POLARIZED PLUG. If you have difficulty,
consult your local dealer.
CABLE TV.CHANNEL CONVERSION CHART
In addition to normal TV reception from an antenna for VHF
(Channels 2 — 13) and WHF (Channels 14 — 69), your TV set
is equipped to receive non-serambled cable TV channels. Sub-
Mid band (A-8, A-4 — A-1), Mid band (A=I), Super band
(J — W), Hyper band (W + 1 — W +28) and Ultra band (W+29
— W + 84) can be received by using the channel selections as
shown in the following chart.
[25-26 {27 |
{|
yu we
2 x
i a3 _ he aes ner we
39 40 41 45 46
W+12 wae a WHi5, ae ee wa nor wad ae —
48 49 $1 52 55 57
aE wee wat {28 Wize
63
W+31 we wd we | wes | wa aT W438 _ ee
2 73 74_| 75 76_{ 77
si
ss ue nie W+46 heart ne
gi 82 83
67
W+50 Te aa aes wie W+5S {| W+56 | W457 Wess W+59 1 W+60 | W+61 aa W+64 Ws67
a6 | 87 | 83 | ag 31 52 | 93 100 shy to2_| 103 | 104 | 105 [ i06 [| 107 | 108
W+68 | W+69 | W+70 | WH7t | W+72 ear W+74 | W+75 | Wt76. wa W+78 | w+79 | Wee | W+81 | Wt82 | W+83 | Wr8s
12 [| 13 | 14 [ 15 | 116
123 | 124
: Regular cable channel designations
* : Your TV set‘s corresponding on-screen CABLE
channel numbers
Note: Reception of channel A-5 {95° of the TV
set’s on-screen CABLE channel numbers) is
not recommended for your TV set.
the front pane!) to select the TV mode.
CHANNEL- II ane
Eq] Press ANT/CABLE button @ on the Remote Control to
select the broadcast mode. Each time it is pressed, the
mode is switched between “CHANNEL” and “CABLE”.
When connected to an antenna, select “CHANNEL” mode
for normal VHF/UHF reception. When connected to cable
TV, select “CABLE” mode. The on-screen display will
show the following:
CHANNEL-O3
a>
CABLE-15
Note: For mode selection using the front panel controls,
see “FUNCTION BUTTONS” on next page.
Select desired channel using CHANNEL {-/+) buttons @
on the Remote Control (or LEVEL/CHANNEL (-/+} but-
tons @ on the. front panel). Pressing the (+) button ad-
vances to higher channels, (~) button to lower channels.
CHANNEL- 10 CHANNEL- it ‘ , a "|
CHANNEL | 9 CHANNEL- 12 ; CHANNEL~ 120
Note: When a video source such as a VCR is connected to the an-
tenna terminal to be viewed on Channel 3 {or Channel! 4),
sometimes channel selection may result in an unclear or dis-
torted picture, In this case, re-select Channel 3 (or 4) by
pressing “3’' (or ‘'4") of the 10-Digit Keypad and the picture
will become clear.
[Gq Press VOLUME (-/+) buttons @ on either the Remote
Control or front panel to adjust volume to your desired
listening level, Pressing the (+) button will increase sound
volume, the (-) button will decrease sound volume. The
volume level is indicated on the screen by reference numbers
{O — 50) and by a bar scale, as shown.
VOL
rains
Note: The volume level can be muted instantly by pressing
MUTE button @ on the Remote Control, See
“MUTE Button" on page 21.
On-Screen Display
®@ Once the on-screen display appears on the screen, it disap-
pears in a few seconds. (Only the clock time can be kept di-
splayed on the screen. See “DISPLAY Button” on page 21.)
@ When tuned to a channel where no program is being
broadcast, the on-screen display may be unclear or blurred.
® On-screen displays are available in two different layouts
{except for displays of the channel number and clock
time). See “9, INITIAL SET-UP” on page 19 for selecting
the display mode. :
®@ Channel numbers of the “CHOICE channels can be
displayed with their station call letters. 1f you prefer to
do so, enter the station cal! letters when you program the
“CHOICE channels”. See “1. CHOICE PROGRAMING”
on page 10.
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Front Panel
The FUNCTION button on the front panel selects the control
modes for TV operation and picture/sound adjustment.
©@ Press FUNCTION button @ on the front panel. The first
time itis pressed, the following display appears on the screen.
HARKER
INNEL
@ At this time, the top line shows the current channel number.
Press FUNCTION button @ to select the desired item for ad-
justment. Each time the FUNCTION button is pressed, the
magenta-colored portion shifts in the order below to show that
the colored item in the list can be adjusted,
Note: Three pages of on-screen displays are available with the
. FUNCTION button.
[1].CHANNEL SELECT mode
[2] ANTENNA/CABLE SELECT mode
[3] TV/VIDEO SELECT mode
[4] MTS SELECT mode
(5) TINT adjustment mode
{6] COLOR adjustment mode
[7] PICTURE adjustment mode
[8] BRIGHT adjustment mode
fg] DETAIL adjustment mode
BASS adjustment mode
(Il) TREBLE adjustment mode
[f2] BALANCE adjustment mode
VOLUME
YORWARO
AM.C404 TV REMOTE CONTROL
Note: The Remote Control’s FUNCTION BACK button @ or
FORWARD button @® selects only picture and sound
adjustment modes: TINT, COLOR, PICTURE, BRIGHT,
DETAIL, BASS, TREBLE and BALANCE. The other
control modes can be selected directly with the Remote
Control's respective buttons. Pressing FUNCTION FOR-
WARD button @ advances the colored portion in the
order as shown on the left for “picture/sound adjust-
ment modes”, pressing FUNCTION BACK button @ ad-
vances in the reverse order.
®@ After selecting the desired mode, press LEVEL/CHANNEL
{-/+) buttons @ on the front panel or FUNCTION (-/+} but-
tons @ on the Remote Control! while the selected mode in-
dication is being displayed to make your preferred adjust-
ment. The Remote Control’s FUNCTION (-/+) buttons @
control only picture and sound adjustments.
Notes:
@ When using the front panel buttons, before the FUNCTION
button is pressed for the first time with nothing displayed on
the screen, the TV is in the “CHANNEL SELECT” mode.
Therefore, in this mode, channel selection is possible by
pressing LEVEL/CHANNEL (-/+) buttons @ on the front
Panel.
© After compteting picture and sound adjustments from the
Remote Control, selecting either FUNCTION {-) or (+)
button @ will return directly to the last chosen adjustment
mode.
fi] CHANNEL SELECT mode
in this mode, press LEVEL/CHANNEL (+) button @ on
the front panel to scan up the channel, and press the (-}
button to scan down the channet.
(The screen illustrations below show the case when the TV
is in the “CHANNEL” mode. When in the “CABLE” mode,
the “CABLE” indication appears instead of “CHANNEL’’,}
(2) ANTENNA/CABLE SELECT (broadcast) mode
In this mode, press LEVEL/CHANNEL (-/+) buttons @
on the front panel to change the broadcast mode between
“CHANNEL” (for regular VHF/UHF channels) and
“CABLE” (for cable channels).
Notes:
® Mode selection can be performed with MAIN/SAP but-
ton @® . Each time it is pressed, the mode changes in
the order of “STEREO” — “SAP” — “MONO” —
“STEREO”.
© If the TV set is kept always set to the stereo mode,
when a stereo broadcast is received, stereo sound is out-
put automatically.
© |f the received stereo signal is weak, noise may be heard.
In such a case, press LEVEL/CHANNEL (-/+) buttons @
(or MAIN/SAP button ® )} to engage the MONO mode
for better sound reception.
@ if the received SAP signal is weak, the SAP will not be
heard. Select the MONO mode for better sound re-
ception. ,
@ Even if both stereo and SAP broadcasts are received,
both broadcasts cannot be heard at a time.
When using the TV set for cable reception
Transmission of Cable TV signals may differ from off-air
TV broadcasts, It is possible that the multichannel TV
sound (MTS) may not be received satisfactorily.
(5]- (f2] Picture/sound adjustment modes
[3] TV/VIDEO SELECT mode
In this mode, press LEVEL/CHANNEL ({-/+) buttons @ on
the front panel to switch the mode between “TV” (for off-
air or cable TV broadcasts) and “VIDEO” (for video source
which is connected to the TV set's VIDEO/AUDIO INPUT
connectors or $-VIDEO IN connector). See “CONNECT-
ING TO EXTERNAL EQUIPMENT” on page 22.
Note: Mode selection can be performed with TV/VIDEO
button @ on the Remote Control.
[4] MTS SELECT mode
Your TV set incorporates an MTS (Multichannel! Tetevision
Sound) decoder to receive stereo broadcasts and any ac-
companying SAP (Second Audio Program}, such as a
bilingual broadcast.
Available sound will be:
{1} Monaural (MAIN) audio program (regular broadcasts)
(2) STEREO (MAIN) audio program
{3) Second Audio Program (SAP)
In this mode, the “<- ON AIR” shows that the MTS mode is
now being broadcast. Press LEVEL/CHANNEL (-/+) but-
tons @ to change the reception mode among “STEREO”,
“SAP” and “MONO”.
Each time it is pressed, the color of the indication changes
from blue to magenta to show that the mode has just
been switched.
In these modes, an adjustment scale with a marker appears
on the screen. Press LEVEL/CHANNEL (-/+) buttons. @
on the front panel or FUNCTION (-/+) buttons @ on the
Remote Control to fine adjust each item to your pre-
ference according to the chart below. (The center position
is only a reference level, rather than a standard setting.)
son | eas | Strong
TREBLE Strong
BALANCE Right
Soft
Left
Note: When you wish to restore all adjustment modes to their
scales’ center positions, use AV STATUS/RESET button
@ «. For details, see “AV STATUS/RESET Button”
on page 13.
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This. function enables storing up to 5 frequently-viewed chan-
nels as “CHOICE channels”, allowing immediate, direct ac-
cess to the channel of your choice using RECALL CHOICE
button @ .
1) While in the channel select mode (either “CHANNEL” or
“CABLE” mode), determine the channel you wish to preset
as a CHOICE channel and display it on the screen.
Noe example, press “0” and “9” to display “CHANNEL
09"). oa
2) With “PAGE-1" MENU displayed on the screen, press “1” of ©
40-Digit Keypad @ .
The display will show:
The “MENU” button selects a list of functions that can be pro-
grammed for operating the TV more conveniently. This func-
tion is possible only on the Remote Control.
@ Press MENU button @ on the Remote Control to display the
list of programmable convenience functions on the screen.
The “MENU” consists of 3 pages. Press the MENU button
repeatedly to display the pages in the sequence below.
© Press numbers “1” through “9” on 10-Digit Keypad @ to
select the corresponding function in the numbered “MENU”,
3) Press a number (1 — 5) on 10-Digit Keypad @ for the
CHOICE channel number you wish to preset. Then, the fol-
fowing display will appear.
{For example, press ‘1’ for storing “CHANNEL 09” as the
“CHOICE 1” channel.}
-10—
4)
With
this
display,
you
can
store
the
TV
station’s
call
letters
5)
Press
the
FUNCTION
FORWARD/BACK
buttons
for
select-
for
handy
reference
along
with
its
channel
number.
{Up
to
4
letters
can
be
stored.)
If
you
choose
to
store
the
call
letters,
press
‘1’.
The
following
display
will
appear.
ERANNEL QS 3. --
PRESS 170 FINISH
© \f you choose not to store call letters, press “2” of the 10-
Digit Keypad. The CHOICE LIST will appear to show that
the CHOICE PROGRAMING mode has been disengaged.
RECALL CHOICE Button
@ Simply press RECALL CHOICE button @ anytime you
want to call up the list of preset CHOICE channels for con-
venient direct CHOICE channel selection.
While the list is on the screen, press the corresponding num-
ber of 10-Digit Keypad @ (1 — 5) to select the preferred
channel.
2. CHANNEL SCAN
This feature allows automatic scanning, in ascending order,
of the channels which have been stored following the pro-
cedures of “9. INITIAL SET-UP” {described on page 19).
1) With “PAGE-1" MENU displayed on the screen, press “2” of
10-Digit Keypad @ .
@ All memorized channels {either “CHANNEL” or “CABLE”
mode) will now be scanned sequentially in ascending
order beginning with the channel that the TV is tuned to.
Scanning will stop automatically when the original chan-
nel is reached. “SCAN STOP” appears to show the
CHANNEL SCAN mode has finished.
CHANNEL-O2 ml » CHANNEL-69 Eb SCAN STOP
6]
ing each of the call letters to be stored. Avaiiable characters
include the alphanumeric characters (26 English-language
letters and 10 numerals}, plus various punctuation marks
(period, comma, etc.). Then, move the cursor to the next
letter position by pressing the FUNCTION (-/+) buttons on
the Remote Control. When finished selecting up to 4 call
letters, press “1”.
(For example, if you store the letters “JVC”, keep the
FUNCTION FORWARD or BACK button pressed until the
letter “J’’ appears. Then, press the FUNCTION (+) button to
move the cursor one letter position to the right. Press FUNC-
TION FORWARD or BACK to select the letter “V", then
move the cursor to the right again with FUNCTION (+). In
the same way, select 'C”, then press 1’ to end the opera-
tion.)
The CHOICE LIST is displayed for a few seconds.
Repeat steps 1} through 5) to preset up to 5 CHOICE chan-
nels.
CHOICE Ld
LEA
ABLE 8 30
2) Press any button on the Remote Control, if you wish to stop
scanning at a certain channel before the original channel is
reached.
To resume scanning, press MEMU button @ and then “2”
of 10-Digit Keypad @ . : :
Notes:
@ When the TV is in the “CABLE” mode, the “CABLE” indi-
cation appears on the screen instead of “CHANNEL”.
© For changing memorized channels, see “9. INITIAL SET-UP”.
© If you wish to start CHANNEL SCAN at a specific channel,
first select the broadcast mode (CHANNEL or CABLE} then
that channel number, and then follow instructions on the left.
® While actual CHANNEL SCAN is being performed, al! front
panel buttons become inoperable.
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3. SET-UP AV STATUS
Your TV set incorporates the AV STATUS memory that can
store 2 variations for preset picture/sound adjustments, allow-
ing you to change the picture/sound tone/speaker balance to
your preference, depending on each source.
1) With “PAGE-1” MENU displayed on the screen, press 3" of
10-Digit Keypad @ . The display will show:
2) Make picture adjustments to your preference. Use the
FUNCTION BACK/FORWARD buttons to select the item,
and use the FUNCTION (-/+) buttons to adjust each item. If
you also wish to make sound adjustments, press ‘1’ to
advance the adjustment mode display. The following display
will appear, (Press ‘'1’’ again to return to the picture adjust-
ment display.)
Bass, W
TREBLE W
eeL ANCE i
3) Make sound adjustments to your preference. Use the FUNC-
TION BACK/FORWARD buttons to select the item, and
use the FUNCTION (-/+) buttons to adjust each item. When
finished, press ’’2''. The following display will appear.
4) Press “1” to store the setting as the “AV STATUS A”.
(Press “2” to store it as the “AV STATUS B”.) Then the
picture and sound adjustment settings {items and their
reference scales) appear for a few seconds each.
TINT
COLOR
PICTURE Bass I
BRIGHT TREBLE. w
DETAIL Il BALANCE ll
5) Repeat steps 1} through-4) for making another AV STATUS
setting.
Note: When you wish to choose the preset AV STATUS, just
press the AV STATUS/RESET button @ to choose
either set of AV STATUS adjustments. For details, see
"AV STATUS/RESET Button” on the next page.
~12—-
AV STATUS/RESET button
Use this button for choosing the preset AV STATUS or for
resetting the picture/sound adjustment items.
Press AV STATUS/RESET button @ onthe Remote Control.
The following display appears.
® Another pressing of the AV STATUS/RESET button resets
all previously adjusted items to their center positions,
1. AV STATUS A
Press “1” of 10-Digit Keypad @ for selecting AV STATUS A.
The picture and sound change as preset for “AV STATUS A”.
Then the picture and sound adjustment settings (items and
their reference scales) appear for a few seconds each.
2. AV STATUS B
Press 2" for selecting AV STATUS B. The picture and sound
change as preset for “AV STATUS B"'. Then the picture and
sound adjustment settings {items and their reference scales)
appear for a few seconds each,
3. RESET
Press 3" when you wish to reset all adjusted items (TINT,
COLOR, PICTURE, BRIGHT, DETAIL, BASS, TREBLE
and BALANCE) back to their center positions at the same
time. The on-screen displays appear and change as follows.
TINT
OUR BASS u
iC TURE TREBLE a
eignt BALANCE tl
DETAIL
Note: While in this mode, the setting of the AV STATUS can-
not be cancelled.
PAGE-2
The “SLEEP TIMER” feature allows you to turn off your TV
automatically at a preset time.
1) With “PAGE-2” (or “PAGE-1” or “PAGE-3”) MENU dis-
played on the screen, press “4” of 10-Digit Keypad @ .
The display will show:
@ If the built-in clock has not been set to operate properly, the
SLEEP TIMER will not function. In this case, the following
display will appear on the screen to show that the clock re-
quires adjustment.
POUER INTERRUPTEO,
UOULD “TOU. SET CLOCK}
Press ‘'1'° (YES) of the 10-Digit Keypad to adjust the clock,
(1f “2” (NO) is pressed, the warning message “YOU CANNOT
OPERATE SLEEP TIMER! !" is displayed.)
Set the built-in clock. (See ‘6. SET CLOCK"’ on page 15 for
details.) When the clock is adjusted, the message “THANK
YOU" appears. Then, the following display appears to show
that the SLEEP TIMER is now ready to be set.
2) Press the numbers on the 10-Digit Keypad to set the desired
switch-off time. The SLEEP TIMER can be set for up to 17
hours 59 minutes from the current time.
For example, if it is now 7:00 PM, and you want the TV to
switch off automatically at 9:00 PM, press “9”, “0” and
"0". (The ““AM/PM’ setting is done automatically.) The
selected time of “9:00 PM” appears.
@ When you select “1” for hour setting (for example, “1:05
AM"), remember to press “0” first, then press “1”, “O” and
nBir
3) To cancel the SLEEP TIMER setting, key in the current time
(the current time setting of the TV’s built-in clock).
Notes:
© Jf an invalid time is selected (for example: '5:87”}, it will
be rejected and the SLEEP TIMER must be reset properly.
® While the SLEEP TIMER is activated, if the POWER button
is pressed to turn the power off and on again, the SLEEP
TIMER will be cancelled. ”
@ While the SLEEP TIMER is activated, if the power is discon-
nected (such as in the case of power failure,etc.) and reap-
plied later, the TV is turned off. When disconnected only for
a couple of minutes, the SLEEP TIMER is reactivated; how-
ever, it turns the TV off later than the set time by the
amount of time of interruption.
@ The SLEEP TIMER may turn off the TV a little earlier than
the preset time.
© When the remaining time reaches 1 minute, the message,
“GOOD NIGHT", will be displayed and continue to blink
until the power turns off automatically.
-1i3—