Kenwood TM-V7A Service Manual

TM-V7A/E
ADJUSTMENT
Adjustment Service Jig
@Service jigs usage
ae -
(108586
6.9)
i
B
1
@(PR9)
@(DE) @(PKD)
Pin assignment seen from direction B
(@) Short piug
"| Terminals @ and © are short circuited.
TN [Reference] @ PKS (SEND switch for DATA terminal)
G = Connect PTT output. if PKS is set to "L",
data are sent and the microphone will be mute.
© SQC (Squelch contro! output)
This outputs squelch control output.
a,
@Service jigs specification
Plug cable with 6P mini-DIN : Model PG-5A (cable parts No. : E30-3202-05) processed like under fig.
Shield wire
E
1 Brown
2 Red
A ble ¥f 3 Orange
4 Yellow
; Green
Approx. 1m Blue
(Cut the cable at suitable length.)
DIN pin No. Color . ;
1 Brown Orange wire
2 Red a
3 Orange
Bracket
4 Yellow oin these DIN pins. Short circuit
5 Green Cut unnecessary wires (Soldering)
Pin assignment seen from (6) Blue at the bottom and wind
direction A Bracket Shield. insulation tape around pie wire
‘ top edge.
43

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"