JVC RC-W410 - Tuner Section Adjustment Setup

RC-W410 B/E/G/GI/V/V
(3) Tuner Section
1.)
Condition
2.)
Attentive
point
*
Supply
voltage:
AC
110-120/220-240
V(50/60
Hz)
e
Connection
of
IF
sweeper
:
DC
12V
Connect
a
30
pF
capacitor
and
a
33
kQ
resistor
e
Applied
voltage
of
the
Tuner
:
DC
6V
in
series
to
the
sweeper’s
output
while
0.082
F
e
Reference
output:
Speaker;
20
mW
(0.4
V)/82
capacitor
and
a
100
k22
resistor
in
parallel
to
Headphone;
0,3
mW
(0.1
V)/32
Q
the
input.
e
Input
signal:
(AM)
Modulation
frequency
;
400
Hz,
30%
e
IF
sweeper’s
output
level
:
(FM)
Modulation
frequency;
400
Hz,
225
kHz
dev.
Set
as
minimum
as
enough
for
adjustment.
®
Set
position
of
Volume
and
Switch
:
SEA
;
Center
e
FM
MPX
adjustment
:
3D
;OFF
For
this
adjustment,
connect
a
100
kQ
resistor
in series to a frequency counter’s input.
Loop Antenna
Loop Antenna
AM SSG
° = Bar ANT
4
| 60cm i
Fig. 7-1
= Location of Adjustment
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BO0030
Tuner Board
Fig. 7-2
(No. 1768) 11