Kenwood TM-V7A Service Manual

TM-V7A/E
ADJUSTMENT
Parts layout
Front panel
CALL
eo Oe
fo ™
Data terminal —T lO
| / i ¢
F
Encode MHz
Rear panel
~
SAO
P
= =
TSS Ty
a;
Adjustment parts layout
@TX-RX UNIT
(Unit under)
@ Adjustment parts No. LPL 7
TC1 : Transmission frequency(UHF)
L6 : BPF(VHF)
L12 : BPF(VHF)
L17 : BPF(VHF) @Test point Le
VR1 : DEV(VHF) CVV : VCO lock voltage (VHF)
VR2 : DEV(UHF) CVU : VCO lock voltage (UHF) Sus
SMV : BPF
VR2 VRi SMV
cvv
TC1
CvuU
OO
°
° a ° CN1
it i ee
CN2
44

Kenwood TM-V7A Specifications

General Specifications

VHF frequency range	144~148MHz
UHF frequency range	438~450MHz (U.S.A/Canada)
Antenna impedance	50Ω
Usable temperature range	-20°C to +60°C (-4°F to +140°F)
Power supply	13.8V DC ±15% (11.7~15.8V)
Grounding method	Negative-ground
Frequency stability	±3ppm (-10°C to +50°C)
Dimensions (W x H x D)	140 x 54.5 x 205.5 mm

Transmitter Specifications

High power output	50W (VHF) / 35W (UHF)
Mid power output	Approx. 10W
Low power output	Approx. 5W
Spurious emissions	-60dB or less
Maximum frequency deviation	±5kHz
Audio distortion	3% or less (at 60% modulation)
Microphone impedance	600Ω

Receiver Specifications

Circuitry	Double conversion
Intermediate frequency (1st / 2nd)	38.85MHz / 450kHz and 45.05MHz / 455kHz
Sensitivity (VHF or UHF band)	0.16μV or less (12dB SINAD)
Sensitivity (Sub VHF or UHF band)	0.25μV or less
Selectivity (-6dB)	12kHz or more
Selectivity (-60dB)	28kHz or less
Squelch sensitivity	0.1μV or less
Audio output	2W or higher (8 ohms, 5% distortion)
Audio output impedance	8Ω

Weight and Dimensions

Weight	1.2 kg (2.6 lb)
Dimensions (W x H x D)	5.51" x 2.15" x 8.09"