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Kenwood TM-V7A Service Manual

Kenwood TM-V7A
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TM-V7A/E
ADJUSTMENT
Common
section
Measurement
Adjustment
Specifications/
Item
Condition
Test-
R
.
i i
‘emarks
equipment
Unit
Terminal
Unit
Parts
Method
1.
Setting
1)
Power
voltage:13.8V
2)
VOL:SQL
knob:MIN
2.
Reset
@VFO
reset
of
full
band
@dHardware
reset
@Ail
reset
*
Return
the
setting
contents
of
the
full
band
of
VFO
to
the
original
status
at
If
abnormal
display
or
abnormal
activity
has
occurred
caused
by
static
Return
all
the
data
to
the
original
status
at
factory
shipment.
Do
not
interrupt
factory
shipment,
olectriclty,
electic
lighting
etc.,
reset
the
set
with
the
following
procedures.
your
operation
during
resetting.
.
However,
the
contents
of
call
channel,
memory
channel,
program,
scan
OPERATION
Sra
Semtea
montane
Reset
wien
Bf
:
|
SIGE
omc
1.
Tum
OFF
the
power
by
depressing
CWA
key,
while
L
depressing
key.
depressing
CUFO)
key,
turn
ON
the
power
by
depressing
8
1
second
Is
required
to
light
on
all
LCD.
key.
,
Do
not
release
CRIED)
key
untit
all
LOD
tights
on.
“VFO
Reset?
Prass
[PWR]'
is
displayed.
3,
Release
CUED
key.
VFO
Reset?
“All
Resot?Press
[MP]
Is
displayed,
Press
[VFO}
ol
[
All
Reset?
PERATION
;
1.
Prose
‘key
while
connecting
the
power
cable
to
tum
ON
Press
[MR]
|
2
De
key.
the
power.
Contrmaton
sound
be
heard
and
ful
band
data
of
VFO
is
2,
Remove
the
panel.
4.
Depress
CUED
key
again.
eset.
If
you
do
not
operate
anything
for
10
seconds,
or
press
Rater
to
the
page
11
for
removing
method,
Confirmation
sound
will
bo
heard
and
all
tho
data
Is
reset
and
eny
key
otfier
than
key,
the set
dooe
not
execute
VFO
3.
Prose
the
reset
switch
(within
0.6
second)
the
dleplay
returns
to
the
Initial
value.
-Teset
and
return
to
frequency
display.
It
pressing
the
reset
switch
for
lass
than
1
second,
the
memory
If
you
do
not
operate
anything
for
10
seconds,
or
depress
any
trove
avian
‘voneed
longer
than
1
second,
the
memory
kay
other
than
CHIED
ky,
tho
set
does
not
execute
VFO
reset
contents
are
reset.
,
and
return
to
frequency
cleplay.
3.
For
adjustment
|
1)
Turn
off
this
<List
of
memory
frequency>
Enter
the
memory
control
and
insert
the
K
M
E
frequency
(Use
short
tool
into
the
(M2,
M3)
(E,
E3)
this
at
the
time
of
data
(VHF-CH)
(TONE)
checking
and
op-
terminal
of
the
set.
oh
1
ae
ton)
pes
4088
\aaoee
: .
a
2
Low
144.05
144.05
144.051
eration
confirma-
|
2)
Tum
ON
while
CH
3.
(RX
High)
147.925
147.925
145.925
tion.)
depressing
CF)
key
CH
4 (TX
Center)
146,000
446.000 144,975
CH
5
(TXLow)
144,000 144,000
144,000
and
key
CH
6
(TXHigh)
147.975
447.975
145.975
simultaneously.
CH
7
(CTCSS)
145.100 145.100
145.100
CT
(88.5Hz)
:
CH
8
(CTCSS)
145.100
145.100
145.100
CT
(151.4Hz)
rin
3)
Mem
ory
entering
mode
CH
9
(DTSS)
145.200
145.200
145.200
DT
(123)
activates
and
the
CH
10
(DTSS)
145,200
145.200 145.200
DT
(456)
values
shown
in
the
CH
11
118.050
118.050
118.050
:
CH
12
129.950
129.950
129.950
table
right
are
entered
CH
13
136.050 136.050
136.050
automati-cally.
CH
14
173.950
173.950 173.950
4)
Tum
OFF
and
(UHF-CH)
pull
out
the
short
plug.
CH
1.
(RX
Center)
444.050
435.050
435.050
5)
Perform
all
reset
when
CH
2
(RXLow)
438.050 430.050
430.050
ing
th
ed
CH
3
(RXHigh)
449,925
439.925 439.925
erasing
the
enter
CH
4
(TX
Center)
444.000
435.000 435,000
memory
contents.
CH
5
(TXLow)
438.000
430.000 430.000
CH
6
—
(TXHigh)
449.975
439.975
439.975
CH
7
(CTCSS)
445.100
435.100 435.100
CT
(88.5Hz)
CH
8
~
(CTCSS)
445.100
435.100
435.100
CT
(151.4Hz)
CH
9
(DTSS)
445,200
435.200 435.200
DT
(123)
CH
10
(DTSS)
445.200
435.200
435.200
DT
(456)
CH
11
410.050
410.050
weresenee
CH
12
469.975
469.975
|
meeneneen
CH
13
370.100
370.100
370.100
CH
14
weceenane
870.100
_
870.100
4.
Lock
voltage
1)
VHF
band...CH1
DCV.M
|TX-RX
|
Cvv
Check
1.9~3.0V
FREQ.:146.050MHz:K,M
(TP6)
FREQ.:145.050MHz:E
2)
UHF
band...CH1
CVU
3.5~5.5V:K
FREQ.:444.050MHz:K
(TP7)
3.0~5.0V:M,E
FREQ.:435.050MHz:M,E
:
3)
UHF
band
Power
meter
|
Rear
ANT
2.0~4.0V:K
FREQ.:443.980MHz:K
DC
V.M
|
panel
CVU
1.5~4.0V:M,E
FREQ.:434.980MHz:M,E
(TP7)
transmission
4)
VHF
band
CVV
1.4~2.5V
FREQ.:145.980MHz:K,M
(TP6)
FREQ.:144.980MHz:E
transmission
45

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Kenwood TM-V7A Specifications

General Specifications IconGeneral Specifications
VHF frequency range144~148MHz
UHF frequency range438~450MHz (U.S.A/Canada)
Antenna impedance50Ω
Usable temperature range-20°C to +60°C (-4°F to +140°F)
Power supply13.8V DC ±15% (11.7~15.8V)
Grounding methodNegative-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 IconTransmitter Specifications
High power output50W (VHF) / 35W (UHF)
Mid power outputApprox. 10W
Low power outputApprox. 5W
Spurious emissions-60dB or less
Maximum frequency deviation±5kHz
Audio distortion3% or less (at 60% modulation)
Microphone impedance600Ω
Receiver Specifications IconReceiver Specifications
CircuitryDouble 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 sensitivity0.1μV or less
Audio output2W or higher (8 ohms, 5% distortion)
Audio output impedance8Ω
Weight and Dimensions IconWeight and Dimensions
Weight1.2 kg (2.6 lb)
Dimensions (W x H x D)5.51" x 2.15" x 8.09"
View in Manual

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