Kenwood KT-7020 Service Manual

KT-7020
SPECIFICATIONS
For other Countries
FM tuner Section
Tuning frequency range
Usable sensitivity (MONO) .
50 dB quieting sensitivity
87.5 MHz- 108 MHz
. 0.95 2V/10.8 dB
MONO .. . 1.8 4V/16.2 dBF
STEREO wn 24¢V/38.8 dBF
Total harmonic distortion (at 1 kHz)
MONO... 0.007% (WIDE)
STEREO 0.009% (WIDE)
Signal to noise ratio (at 1 kHz, 85 dBf input)
MONO .. 92 dB
STEREO ... 86 dB
Stereo separation
1 kHz 65 dB (WIDE }
Captuer ratio . 1.0 dB (WIDE), 2.5 dB (NARROW}
Alternate channel selectivity
(+ 400 kHz) wis
Image rejection ratio (at 98 MHz) ..
IF rejection ratio (at 98 MHz).......
Spurious rejection ratio (at 98 MHz)
. 60 dB (WIDE)
.. 82 dB
. 110 dB
. 105 dB
AM suppression ratio 76 dB
Frequency response
{20 Hz- 15 KHz) oe +0.5 dB. ~0.5 dB
Output level/Impedance
(at T KHz, 100% dev.) ence 0.6V/3.3kN
AM Tuner Section
Tuning frequency range
531 kHz- 1,602 kHz .... we 9 kHz step
530 kHz - 1,610 kHz .. 10 kHz step
Usable sensitivity
Signal to noise ratio
(at 30% mod. ImV input)
Total harmonic distortion ..
image rejection ratio (Loop) ..
. 10 pV (350 uV/m)
55 dB
0.25%
40 dB
Selectivity .. 30 dB
Output level/Impedance
fat 30% MO.) oer 0.18 V/3.3 kX
General
Power consumption .. a 20 W
Dimension va Wr 440 mm
H: 98mm
D: 318 mm
WH coe ccc crete 4.3 kg
KENWOOD follows a policy of continuous acvancements in de-
velopment. For this reason specifications may be changed
without notice
KENWOOD poursuit une politique de progrés consiants en ce
qui concerne ie développement. Pour cette raison, les spécifi-
Cations sont sujettes 8 modifications sans n-éavis
KENWOOD strebt standige, Verbesserunaer '> der Entwicklung
an. Daher bleiben Anderungen der techniscren Daten jederzent
vorbehaiten
Note:
Component and circuitry are subject to modification to insure best oper-
ation under differing local conditions. This manual is based on, the
Europe (£) standard, and provides information on regional circuit modifi-
Cation through use of alternate schematic diagrams, and information
on regional component variations tnrcugh use of parts list
For Europe and U.K.
FM tuner Section
Tuning frequency range ............. 87.5 MHz- 108 MHz
Usable sensitivity (DIN)
MONO
STEREO
Limiting level (DIN at 75 9)
Total harmonic distortion (DIN at 1 kHz)
MONO ... .. 0.02% (WIDE)
STEREO. .. 0.05% (WIDE)
Signa! to noise ratio
(DIN weighted at 1 kHz, 65.2 dBf input)
MONO ... .. 82 dB
STEREO .. 72 dB
Stereo separation (DIN)
1 kHz .. 54 dB (WIDE )
6.3 kHz . .... 44 dB (WIDE)
Captuer ratio .. ... 1.0 dB (WIDE), 2.5 dB (NARROW)
Alternate channel selectivity
(DIN + 300 KH2) 00... ee teeeees 75 dB (NARROW)
Image rejection ratio (at 98 MHz) ...................... 82 dB
IF rejection ratio (at 98 MHz) 110 dB
Spurious rejection ratio (at 98 MHz) 105 dB
AM suppression ratio .. 76 dB
Frequency response
(20 H2- 15 KH2) eee +0.5 dB, —0.5 dB
Output level/Impedance
{at 1 kHz, 100% dev.) ...
. 0.6V/3.3k9
AM Tuner Section
Tuning frequency range .531 kHz- 1,602 kHz
Usable sensitivity 10 pV (350 nV/m)
Signal to noise ratio
{at 30% mod. 1mV input)
Total harmonic distortion ...
Image rejection ratio (Loop}
Selectivity
Output level/impedance
(at 30% MO) oo eee 0.18 V/3.3 kQ
General
Power consumption seers 20 W
Dimension ....... W: 440 mm
H: 98mm
D: 318mm
WONG 3c tien tarciec ntl ca tata A ea tiie 4.3 kg
KENWOOD CORPORATION
Shionogi Shibuya Building. 17-5, 2-cnome Shiouya. Shibuya-ku. Tokyo 150, Japan
KENWOOD U.S.A. CORPORATION
2201 East Dormmguez Street, Long Beach, CA 90810
580 Ciatk Drive, Mount Otive, NJ 07628, U.S.A
KENWOOD ELECTRONICS CANADA INC.
P.O. BOX 1075, 959 Gana Cour. Mississauga Ontario. Canada LAT 4C2
TRIO-KENWOOD U.K. LTD.
KENWOOD House. Dwight Road Wattorc, Hers. Wd! Beb United Kingdom
KENWOOD ELECTRONICS BENELUX N.V.
Mechelsesieenweg 418 8-1930 Zaventem, Beignum
KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Remorucker-St. 18. 6056 Heusensamm, West-Getmany
TRIO-KENWOOD FRANCE S.A.
13 Boulevarct Ney. 75018 Paris. France
KENWOOD LINEAR S.p.A.
20125, MILANO-VIA ARBE, 50 ITALY
KENWOOD ELECTRONICS AUSTRALIA PTY, LTD. «nconporaren wn Nsw:
4 Woodcock Place. Lane Cove. NSW. 2066 Austraira
KENWOOD & LEE ELECTRONICS. LTD.
Wang Kee Building. 4th Floor. 34-37 Connaugh! Road Centra’ Hong Kong

Kenwood KT-7020 Specifications

FM Tuner Section

tuning frequency range	87.5 MHz - 108 MHz
usable sensitivity (MONO)	0.95 µV/10.8 dB
total harmonic distortion (MONO)	0.007%
signal to noise ratio (MONO)	92 dB
stereo separation (1 kHz)	65 dB
capture ratio	1.0 dB (WIDE)
alternate channel selectivity (+400 kHz)	60 dB (WIDE)
image rejection ratio (at 98 MHz)	82 dB
IF rejection ratio (at 98 MHz)	110 dB
spurious rejection ratio (at 98 MHz)	105 dB
AM suppression ratio	76 dB
frequency response	20 Hz - 15 kHz, +0.5 dB, -0.5 dB
output level/impedance	0.6 V/3.3 kΩ

AM Tuner Section

tuning frequency range	531 kHz - 1, 602 kHz
usable sensitivity	10 µV (350 µV/m)
signal to noise ratio	55 dB
total harmonic distortion	0.25%
image rejection ratio (Loop)	40 dB
selectivity	30 dB
output level/impedance	0.18 V/3.3 kΩ

General

power consumption	20 W
dimensions (W x H x D)	440 mm x 98 mm x 318 mm
weight	4.3 kg