1
TK-190
© 2001-2 PRINTED IN JAPAN
B51-8510-10 (S) 858
VHF FM TRANSCEIVER
TK-190
SERVICE MANUAL
Antenna
(KRA-21:Option)
Cabinet assy
(A02-2139-63)
Knob assy (SEL)
(K29-5282-04)
Knob assy (VOL)
(K29-5283-04)
Panel assy
(A62-0779-03)
Knob assy
(Side key)
(K29-5423-04)
CONTENTS
GENERAL ................................................................. 2
SYSTEM SET-UP ..................................................... 2
OPERATING FEATURES ......................................... 3
REALIGNMENT ...................................................... 10
CIRCUIT DESCRIPTION ......................................... 12
SEMICONDUCTOR DATA ..................................... 20
DESCRIPTION OF COMPONENTS ....................... 22
PARTS LIST ............................................................ 24
EXPLODED VIEW .................................................. 31
PACKING ................................................................ 32
DISASSEMBLY FOR REPAIR ................................ 33
ADJUSTMENT ....................................................... 34
PC BOARD VIEWS
FINAL UNIT (X45-3610-10) ............................... 43
CONTROL UNIT (X53-3930-10) ........................ 43
TX-RX UNIT (X57-608X-XX) ............................ 47
SCHEMATIC DIAGRAM ........................................ 53
BLOCK DIAGRAM .................................................. 59
LEVEL DIAGRAM ................................................... 61
TERMINAL FUNCTION ......................................... 62
KNB-17A (Ni-Cd BATTERY) .................................. 63
KMC-25A (SPEAKER MICROPHONE) .................. 64
KSC-19 (CHARGER) ............................................... 65
KSC-20 (RAPID CHARGER) ................................... 65
KPG-36 (PROGRAMMING INTERFACE CABLE) ..... 65
KBP-4 ....................................................................... 65
SPECIFICATIONS ............................... BACK COVER
CAUTION
When using an external power connector,
please use with maximum final module protec-
tion of 10V
SPECIFICATIONS
GENERAL
Frequency Range ................................................. 29.7 to 37.0MHz (K), 35.0 to 50.0MHz (K2)
Number of Channels ............................................ Max. 16 channels
Channel Spacing .................................................. 20kHz / 25kHz
PLL Step .............................................................. 5kHz
Operating Voltage ................................................ 7.5V DC
Battery Life .......................................................... 9 hours at 6 watts (5-5-90 duty cycle with KNB-17A battery
Operating Temperature range ............................. –30
°
C to +60
°
C (–22
°
F to +140
°
F)
Dimensions and Weight
With KNB-17A (7.2V 1500mAh battery) ......... 58 (2-5/16) W x 155 (6-3/32) H x 38 (1-1/2) D mm (in)
600g
RECEIVER
(Measurements made per EIA/TIA-603)
Sensitivity
EIA 12dB SINAD ............................................. 0.25
µ
V
Selectivity ............................................................ 70dB
Intermodulation .................................................... 65dB
Spurious response ............................................... 70dB
Audio Power Output ............................................ 500mW
Frequency Stability ..............................................
±
5ppm
Channel Frequency Spread ................................. 7.3MHz (K), 15MHz (K2)
TRANSMITTER
( Measurements made per EIA/TIA-603)
RF Power Output ................................................. 6W / 1W
Spurious Harmonics ............................................ 55dB/60dB
Modulation ........................................................... 16KøF3E (Wide)
FM Noise ............................................................. 45dB
Audio Distortion ................................................... Less than 3%
Frequency Stability ..............................................
±
5ppm
Channel Frequency Spread ................................. 7.3MHz (K), 15MHz (K2)
Photo is TK-190 K type.
Does not come with antenna.
Antenna is available as an option.
REVISED
KENWOOD CORPORATION
14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo 150-8501, Japan
KENWOOD SERVICE CORPORATION
P.O. BOX 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745,
U.S.A.
KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Rembrücker Str. 15, 63150 Heusenstamm, Germany
KENWOOD ELECTRONICS BELGIUM N.V.
Mechelsesteenweg 418 B-1930 Zaventem, Belgium
KENWOOD ELECTRONICS FRANCE S.A.
13, Boulevard Ney, 75018 Paris, France
KENWOOD ELECTRONICS U.K. LIMITED
KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB United Kingdom
KENWOOD ELECTRONICS EUROPE B.V.
Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands
KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori, 7/9 20129 Milano, Italy
KENWOOD IBERICA S.A.
Bolivia, 239-08020 Barcelona, Spain
KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
(A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113, Australia
KENWOOD ELECTRONICS (HONG KONG) LTD.
Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Kwai Fong, N.T.,
Hong Kong
KENWOOD ELECTRONICS TECHNOLOGIES(S) PTE LTD.
Sales Marketing Division
1 Ang Mo Kio Street 63, Singapore 569110
