Kenwood TK-3170 User Manual

© 2005-6 PRINTED IN JAPAN
B51-8721-10
(
N
)
1390
UHF FM TRANSCEIVER
TK-3170/3173
SERVICE MANUAL
GENERAL ................................................... 2
SYSTEM SET-UP ....................................... 2
REALIGNMENT .......................................... 3
DISASSEMBLY FOR REPAIR .................. 21
CIRCUIT DESCRIPTION ........................... 23
SEMICONDUCTOR DATA ....................... 28
COMPONENTS DESCRIPTION ............... 29
PARTS LIST .............................................. 31
EXPLODED VIEW..................................... 41
PACKING .................................................. 42
CONTENTS
TK-3170 K4,K6,M,M3
Does not come with antenna.
Antenna is available as an option.
Badge
(B43-1178-04)
Knob (Selector)
(K29-9340-03)
Knob (Volume)
(K29-9278-13)
Knob (PTT)
(K29-9339-03)
Key top (Side)
(K29-9341-03)
Plastic cabinet assy
(A02-3891-13)
Packing
(G53-1652-11)
Packing
(G53-1651-01)
Plastic cabinet assy
(A02-3890-03)
This product uses Lead Free solder.
ADJUSTMENT ......................................... 43
TERMINAL FUNCTION ............................ 51
PC BOARD
TX-RX UNIT (X57-7010-XX) (A/4) .......... 52
TX-RX UNIT (X57-7010-XX) (B,C,D/4).... 54
SCHEMATIC DIAGRAM........................... 58
BLOCK DIAGRAM .................................... 66
LEVEL DIAGRAM ..................................... 68
KSC-30 (RAPID CHARGER) ..................... 69
SPECIFICATIONS .................. BACK COVER
TK-3170 K,K3/TK-3173 K
REVISED

Kenwood TK-3170 Specifications

General Specifications

frequency range	450~490MHz (K, K4) 440~480MHz (M) 400~430MHz (K3, K6, M3)
number of channels	Max. 128 per radio
zone channels	Max. 128 per zone
trunking GID	Max. 250 per zone
channel spacing (wide)	25kHz
channel spacing (narrow)	12.5kHz
battery voltage	7.5V DC ± 20%
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 (K,K4,M)	40MHz
channel frequency spread (K3,K6,M3)	30MHz

Battery Life

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

Receiver

sensitivity (wide)	0.25µV
sensitivity (narrow)	0.28µV
selectivity (wide)	70dB
selectivity (narrow)	65dB
intermodulation distortion (wide)	65dB
intermodulation distortion (narrow)	60dB
spurious response	65dB
audio output	500mW with less than 10% distortion

Transmitter

RF power output (HI)	4W
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	Less than 5%

Weight and Dimensions

dimensions with KNB-24L or 35L battery	2-7/32 x 4-9/32 x 1-1/4 in. (56 x 109 x 31.7 mm)
dimensions with KNB-25A or 26N battery	2-7/32 x 4-9/32 x 1-1/2 in. (56 x 109 x 37.9 mm)
weight (net)	12.0 oz. (340 g) with battery, antenna, and beltclip