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KR-A4010
16
ADJUSTMENT
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INPUT
OUTPUT
TUNER
ALIGNMENT
ITEM
SETTINGS
SETTINGS
SETTINGS
POINTS
ALIGN FOR
FIG.
FM
SECTION
(Unless otherwise specified,
the individual
switches
should be set as following:
SELECTOR:
FM
MODE: FM MODE/AUTO
Connect
a DC
(1)
TP6 (YT) and TPS (GND).
(Front end
Connect
a DC
BAND EDGE
voltmeter
between
TC1
8.0¥
(2)
TP6 (VT) and TP 5 (GHD).
(Front end
Repeat alignments
| and 2 several
times.
Maximum amplitude and
3
RF ALIGNMENT
(B)
L2-4
symmetry of the oscilloscope
98. OMH2
(Front end
display.
DISCRIMINATOR
WONG
98. OMHz
L14
OV
(b)
(A)
98. OMHz
1kHz,+75kHz dev
(A)
98. OMHz
1kHz,+75kHz dev
60dBuCANT input)
Connect
a DC
voltmeter
between
TP3
and TP4.
Connect a 330kQ
resis
(A)
tor to TP1. Connect a
98. OMHz
frequency counter to
98. OMHz
VR3
76 . 0OkH2
(ce)
0 dev
the resistor via
60dBuCANT input)
an AC voltaeter.
(Cc)
98. OMHz
DISTORTION
1kHz,+68.25kHz dev
(B)
Miniaue distortion.
(STEREO)
Selector:L or R
(L or R)
BOdBuCANT input)
(C)
98. OMHz
Minimum crosstalk.
LkHz,
+68. 25kHz dev
A compromise adjustment
Selector:L or R
(B)
98. OMHz
v4
may be required if left-to-
right and right-to-left
separations are unequal,
Adjust VR1 so that FLI (TUNED)
goes off. Then, adjust VR1
VR
and stop at the point
where FLICTUNED) goes on.
Pilot:
+6.75kHz de
60dBu CANT input)
(A)
98. OMHz
SEPARATION
0 dev
Al TUNING LEVEL
18dBuCANT input)
AM
SECTION
Keep the AM loop antenna installed.
SELECTOR:
AM
530kHz
Connect a DC
(1)
TP 6 (YT) and TP 5 (GND).
(531kHz)
Connect
a DC
BAND EDGE
voltmeter between
1610kHz
TC 3
8.0V
(a)
(2)
TP 6 (VT) and TP5 (GND).|
(1602kHz)
Repeat alignments (1) and (2) several tines.
Maximum amplitude and
symmetry of the oscilloscope
display.
Maximua aaplitude and
TC2
symmetry of the oscilloscope
Repeat alignments (3) and (4) several
times.
display.
(B)
L13
(X14)
98. OMHz
(D)
(3) ) RF ALIGNMENT
630kHz
(B)
(1)
400Hz,30% mod
'
ca
(4) 1] RP ALIGNMENT
1440kHz
(8)
(2)
400Hz, 30% mod
Adjust ¥R2so that FLICTUNED,
goes off. Then,
adjust VR4
and stop at the point
where FLICTUNED) goes on.
Maximum
amplitude
and
symmetry
of the
oscilloscope
display.
()
1000(999) kHz
0 dev
26 dBuCANT input)
€5)]
TUNING LEVEL
1000KHz
20dBy(ANT input)
IF TRANSFORMER
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