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ADJUSTMENT
SPECIFICATIONS
i
PO
a
a
ee
AM
ADJUSTMENT
{
GENERAL
Usable Sensitivity (IHF)
250 uV/m
IC
.
Image Rejection
45 dB
Transistors
2SC693 X 3, 2SA726 X 4
iF Rejection
,
35dB
2SA649 X 1, 2SC536 XB
Signal to Noise Ratio
45 dB
2SC1313 X 10, 2SB511 X 1
Sei
25 dB
gaesek
2SC674 X 1, 2SAG59 X 1
city of VC. at | an
¢
280325 X 2, 2SC9Z9 X 1
AUDIO AMPLIFIER SECTION
Sesion: with na
2nd 9-21020
2SC875
X 2,
Total music power
150W
,
unrequired signal
3rd 9-21030
455 KH
2SC1175 X 3
Continuous power/chan.
50/SOW each channel drive
i
.
280523 X 1.
Total harmonic distortion
0.5 %
Connor: stantasre:|20P
(400Hz, 30%
AM OSC
—s9-20740
'
sey
HUTaA NX1
(SOW output power)
oer pieced
Connect V.T.V.M. to | modulation)
RF COIL
9-20291
ee
RD-13A X'1, RD24A-M X 1
Power band width
40 — 60,000 Hz
aetna
= Place | AM OUT
1400 KHz
DS-430 X 4
1 watt frequency response
20 — 50,000 Hz
f . ae
ae '
(400 Hz, 30%
Silicon rectifiers
S3RC40 X 1, S3RC40R X 1
Hum and noise
Less than 3mV
a
sale
modulation)
Power source
AC120, 200, 220, 240V 50/60Hz
imput sensitivity &
PHONO
1
2.5mV
SOK
ohm
AC220, 110V SOHz (in Europe)
impedance
PHONO2
2.5mV 50K ohm
Power consumption
210W
ohm
Dieanuraien (aerox}
455 (W) X 340 (D) X 148 (H} mm
nid
ect
em
|
PREPARE
|
|
17-15/16" X 13-3/8" X 5-7/R"
:
1. Variable capacitor completely closed.
4. Selector switch to "AM"
Weight (approx.)
11.5 kg 25.1 Ibs.
Matching speaker impedance
4 — 16 ohm (8 ohm nominal)
2. Set the dial pointer to very left line dial scale.
5. Use a screwdriver with plastic grip for all adjustments.
Damping pani
penta pepe iy Hz
3. Connect sweep generator.
SG, V.T.V.M. and oscillscope.
Loudness contr
z+
FM TUNER SECTION
10K Hz +6 dB
Frequency Range
oe
com
Low filter
Fe = 70 Hz (12 dB/oct}
FM
ADJUSTMENT
IF
10.7 MHz
aisente
s
—
:
75 ohms unbalance
SOV SOK ohm
OO}
ceout [tne
Om
tring da
ture Ratio
aa Rejection
85 dB (98 MHz)
DIN SomV
generator to test
city ol VC. at f
1F Rejection
95 dB (98 MHz)
Tape input sencistivity
RCA 180mV 100K ohm
point of the FRONT
Con
A
position with no
|
AM Suppression
50 dB (98 MHz)
& impedance
DIN 180mV 100K ohm
Ratio Det. | END through 0.01 yF.
ee ce ree
unrequired signal.) FM DET 9-21000
aS
Signal to Noise Ratio
70 dB (98 MHz)
Signal to noise ratio
PHONO 1 = = more than 70 dB
.
to FM Ol
10.7MHz
FM AERIAL COIL
Fm OSC COIL
1st RF COIL
PREPARE
1. Variable capacitor completely closed.
4. Selector switch to "FM"
2. Set the dial pointer to very left line of dial scale.
5. Use a screwdriver with plastic grip for ail adjustn.ents.
3. Connect sweep generator, FM SG, V.T.V.M. and oscilloscope.
FM aerial input impedance is 300 ohm.
FM
MPX
ADJUSTMENT
Position of
input
|
Output
tuning dial
Connect
FM stereo SG. to FM
Connect V.T.V.M. to test
aerial terminals. 19 KHz sinnal ON.
| point PIN No. 1 of IC
SCA signal OFF.
(LA3300)
Connect V.T.V.M. to test
point PIN No.
13 of IC
(LA3300).
Connect V.T.V.M.
to R
Output
19 KHz
9-202 10 (Biack)
19 KHz
pilot signal
Near max.
Cca-
pacity of VC.
at position
with no
unreqiured
signal.
38 KHz
9-20220
(White)
Separation control
VR-1
Connect FM stereo SG to FM aerial
terminals.
19 K4z signal ON Main
channel, sub channel signal ON.
Add 1000Hz signal from L Ch.
FM stereo
signal
separation
38 KHz
\pSet
the pre-set resistor (1K-B}
connected
to PIN
No
5 of
1C 4201 to the minimum
positon
'QAdwst
the
pre-set
resistor
so
Connect FM stereo SG to FM aerial
terminals.
19 KHz signal ON. Main
channel, sub channel! signa! ON.
Add
1000Hz
signal from R Ch.
5 | Repeat steps 3~4.
Set at position with max. channel separation.
Connect V.T.V.M.
to L
output
that
sine
weve
sppesred
at
Cutput
becomes
clear
and
mnimum
PREPARE
1. Variable capacitor completely closed.
3. Selector switch to "FM AUTO"
2. Connect FM stereo SG. and V.T.V.M.
4. Use a screwdriver with plastic grip for all adjustments.
Oa
eed
ee
ee
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