Kenwood TK-2170 Service Manual

TK-2170
GENERAL
Frequency range ....................................... 136~174MHz
Number of channels .................................. Zone : Max. 128 per radio Conv. Ch : Max. 128 per zone
Channel spacing ........................................ Wide : 25, 30kHz Narrow : 12.5, 15kHz
Battery voltage .......................................... 7.5V DC ± 20%
Battery life (5-5-90 duty cycle)/Approx. hours
KNB-24L (1400mAh) .............................. 9
KNB-25A (1200mAh) ............................. 8
KNB-26N (2000mAh) ............................. 12
KNB-35L (1950mAh) .............................. 11
Operating temperature range.................... –22°F~+140°F (–30°C~+60°C)
Frequency stability .................................... ±0.00025% (–22°F~+140°F)
Antenna impedance .................................. 50Ω
Channel frequency spread ........................ 38MHz
Dimensions (W x H x D) ............................ 2-7/32 x 4-9/32 x 1-1/4 in. (56 x 109 x 31.7 mm) with KNB-24L or 35L battery
(Projections not included) 2-7/32 x 4-9/32 x 1-1/2 in. (56 x 109 x 37.9 mm) with KNB-25A or 26N battery
Weight (net) .............................................. 12.0 oz. (340 g) with battery (KNB-35L), antenna (KRA-22) and beltclip (KBH-12)
RECEIVER (Measurements made per EIA/TIA-603)
Sensitivity (12dB SINAD) ........................... Wide : 0.25µVNarrow : 0.28µV
Selectivity .................................................. Wide : 70dB Narrow : 65dB
Intermodulation distortion ......................... Wide : 65dB Narrow : 60dB
Spurious response .................................... 65dB
Audio output (8Ω impedance) ................... 500mW with less than 5% distortion
TRANSMITTER (Measurements made per EIA/TIA-603)
RF power output ....................................... HI : 5W LO : 1W
Spurious response .................................... 70dB
Modulation ................................................ Wide : 16K0F3E Narrow : 11K0F3E
FM hum & noise ....................................... Wide : 45dB Narrow : 43dB
Audio distortion ......................................... W/N : Less than 5%
SPECIFICATIONS
2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan
P. O. BOX 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745, U.S.A.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
Rembrücker Str. 15, 63150 Heusenstamm, Germany
Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium
13, Boulevard Ney, 75018 Paris, France
KENWOOD House, Dwight Road, Watford, Herts., WD18 9EB United Kingdom
Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands
Via G. Sirtori, 7/9 20129 Milano, Italy
Bolivia, 239-08020 Barcelona, Spain
(A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113 Australia
Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Kwai Fong, N.T., Hong Kong
1 Ang Mo Kio Street 63, Singapore 569110

Kenwood TK-2170 Specifications

General Specifications

frequency range	136~174MHz
number of channels	Max. 128 per radio
channel spacing	Wide: 25, 30kHz; Narrow: 12.5, 15kHz
battery voltage	7.5V DC ± 20%
antenna impedance	50Ω
channel frequency spread	38MHz

Battery

battery life with KNB-24L (1400mAh)	9 hours
battery life with KNB-25A (1200mAh)	8 hours
battery life with KNB-26N (2000mAh)	12 hours
battery life with KNB-35L (1950mAh)	11 hours

Operating Environment

operating temperature range	–22°F~+140°F (–30°C~+60°C)
frequency stability	± 0.00025% (–22°F~+140°F)

Receiver

sensitivity (12dB SINAD) Wide	0.25µV
sensitivity (12dB SINAD) Narrow	0.28µV
selectivity Wide	70dB
selectivity Narrow	65dB
intermodulation distortion Wide	65dB
intermodulation distortion Narrow	60dB
spurious response	65dB
audio output (8Ω impedance)	500mW with less than 5% distortion

Transmitter

RF power output HI	5W
RF power output LO	1W
spurious response	70dB
modulation Wide	16K0F3E
modulation Narrow	11K0F3E
FM hum & noise Wide	45dB
FM hum & noise Narrow	43dB
audio distortion W/N	Less than 5%

Weight and Dimensions

weight with battery, antenna, and beltclip	12.0 oz. (340 g)
dimensions with KNB-24L or 35L battery	56 x 109 x 31.7 mm
dimensions with KNB-25A or 26N battery	56 x 109 x 37.9 mm