JVC KD-2A User Manual

KD-2A/B/C/E/J/U
Item Procedure
7.
ANRS
.
Disconnect
the
soldering
position
|
ANRS
circuit
circuit
BIAS
CUT
of
main
circuit
board
so
that
osillator
does
not
operate.
. Set the deck to the record mode.
. Input 1kHz -10dBs signal from
LINE IN, Adjust the REC
volume so that LINE OUT be-
come —-0.5dBs. (not move the
REC volume position to
finished adjustment.)
. Turn R335, 435 (CONT GAIN)
and R340, 440 (DC BIAS) in
the direction opposite to the
arrow marking in the shield board.
. Adjust R324 and R424 so that R324, 424
level does not change when (REC GAIN)
ANRS switch is turned on and
off, and turn on ANRS.
. Input 1kHz -50dBs signal from R340, 440
LINE IN, Adjust R350 and (DC BIAS)
440 so that LINE OUT become
—35dBs.
. Input 5kHz -30dBs signal from R335, 435
LINE IN Adjust R335, 435 so (CONT GAIN)
that LINE OUT become 17dB.
. Repeat step (5) through (7).
. Turn ANRS switch in ‘‘Super’’
position when input 10kHz
-10dBs signal from LINE IN.
Check out put levels are
~6.5dBst2dB.
. Connect the position BIAS CUT
of disconected in step (1)
-
.
Playback
reference
tape
VTT-
R302,
402
664
and
Adjust
R302
and
R402
‘|
(PB
GAIN)
so
that
level
does
not
change
when
ANRS
is
turned
on
and
off.
Other adjustments
Procedure
Remarks
1.
Battery
1.
Apply
exactly
DC3.8V
to
ex-
Do
not
mistake
one
polarity
for
checker
ternal
DC
jack
or
battery
contacts
the
other.
and
switch
the
deck
to
playback
or
fast
forward
mode.
.
Push
battery
check
switch
in
“CHECK”
position
and
adjust
so
that
meter
pointer
deflects
to
the
end
of
green
area.
.
Check
of
Apply
exactly
DC
6.0V
to
external
Play
back
Standard
Pilot
lamp
at
OFF
no
signal
power
con-
DC
jack
or
battery
contacts
and
200mA
or
less
165mV
Do
not
insert
cassette
tape
sumption
switch
the
deck
to
playback
or
Record
300mA
{Standard
record mode. or less ( 240mA )
Measure the consumption current
as a such way by miliampere meter.
No. 4151 240° 2

JVC KD-2A Specifications

General

Brand	JVC
Model	KD-2A
Category	Cassette Player
Language	English