JVC TM-R14U Service Manual page 6

TM
- R 14 U
(
Q
) DEGAUSS BUTTON
Switch for degaussing picture tube
.
To deguss , push
this switch for
ten
seconds
,
when degaussing over again
,
push it
at
intervals '
of
ten
minutes
.
®
POWER BUTTON
/
POWER
IND
.
Switch for
power
of this
set
.
Power is switched ON ,
and then power indicator lamp is lighted
.
@
TALLY LAMP SWITCH
Lighting by internal power source
(
when shipping )
short between pin
( 2 ) and
pin
( 3 )
of TALLY
terminal .
Lighting by External
power source
.
(
1
) First ,
set
TALLY switch within the
set to
EXT
.
side
.
(
2
) Give DC 24 V between
pin
(
T
)
and pin
(
5
)
of
TALLY terminal
.
#
BLUE CHECK BUTTON
Switch
for ordinary
screen or blue monochrome screen
changeover is
used
to
adjust TINT and COLOR easily
.
(
How
to
adjust )
( 1 )
First ,
input
color bar
signal and make blue mono
-
chrome screen
.
(
2
) Adjust TINT and COLOR control knob alter
-
nately
so that each blue band is same in density
and brightness ; and then TINT and COLOR is
adjusted correctly
.
@
SCAN
(
WIDE
/
NARR
) BUTTON
Switch for overscan screen or underscan screen change
-
over
is used
to
check screen frame
or
screen square
.
6
( No
.
5741 )