Kenwood TM-V7A Service Manual

_
Note) e Ref. No. : Parts of pattern 1.
G
AK
AM
AE
A
B38-0772-05
LCD
ASSY_
wn
tn
ee
ey
moa
Toe
eee
|
-_
Leb
|
wee
ee
Q506
|
(
[|
‘a
|
I
es
RD
BUFFER
AMP,
a
[
1
cr
1
.
C569.
100e
!
I
/
7
,
:
7
CROSS
|
t
1
i
89
100K
=
POINT
Sul
RS
I
4
4
|
~
551
t
1
TP4
x
a]
I
i
H
cons
UI}
|__
Hgees
ois
6
|
ALERS
Fe
|
io
os
'
SIDYG
4
5]
RYO
'
BS
he,
PaAr
Bes
BPO
ensaa
|
|
oi
bbe
e
Boe
3
So
asin
=
7
od
10k
e
2]
y
ry
maya
3.
95V
Sou
|
OF
;——w——
|
:
Lays}
ic5
LU
S1VS}
1c6
LY
|
“|
7,
96v
°
‘
1
R17
at
Res
SED1S32DBA
A
4
RES
SED1532D0A
:
Fr
©)
aso
roa
|
i}
ee
eles
lee
3
Q506
C82
_a.sav
J
2sc4730(GR)
3
100
:
47k
&82
GB6
L
.
go
-
eRSE3
{
—
au
“ecs7g
4
|
i]
Bo
ae
(wsR)
[
—
$3
e
KP
j
VV
r
.
oo
1k
Gee
cses
ole
r
|
j
4)
7bp
VDD
3
I
Tels
gle
|Be" tu
Od
oem
=
00
1
t
DO
Bo
ara
+
po
at
ovate
I
aees
ets
|=],
asos
Brainr
|
ig
BEG,
pa
ents
as
ba
8
a
EO.
wae
acaeae
|
7
Ola
$
mydpoOrno
as
3
.
°
1200bes
°
=
j
18
Banas
Sass
saesS
SESS
°
ARARRS
>
UOUUOrS
Seer
se
H
|
RD
BUFFER
i"
Rp
pminol
mph
1
™
AMP
.
Cel
a
-
DOE
UTSLER
KOI
al
ponenpoHeteheehay
:
:
aipiees
St
®R577
D504
©
R576
Bom
bee
|
1%
fail
a
sii
2
i
ee
WW
ov
lev
10
C22,,
fu
:
'
4,
7k
188355
tk
.
|
{
I:
malie
iLile
tena.
IY
a
3
|
WA
'
e
a
7
o
J
«|
b
-
“at
8
|
ae
w|
a
feRS86
|
!
oT
*
©
ay
cethie
t
al
|
5.
O6V
219
—
OeQ
|
220k
i
‘
°
‘Sethe
LL)
i
Ca
nl
wo
OTS
~
I
{
243
Te
=
8
3|*
Ds06
|»
pso7
|
\
:
—
r
.
e
Hi
6
1
.
6
=f
DA221
DA221
|
{
R28
|
°
“Ayvcc
NCE
B
'
:
a
t
nu
3
we
3
|
|
|
——
NLS
:
ats
|
|
|
-
aly
GND
al\-
'
'
wl!
|=]
fe
“|
ae
ics
5
Ors
:
ose
TC4S81F
/
—
an
hr
Ic5i3
|
.
4
1
ary
1
a
6
TCT4HC4050AF
I
2
_|.
19
}
=
I
wane
|
‘
20191817161514131211109
87654321
!
_
MULTIPLEXER
tJ
|
|
Ls
ahels
3
5
a1
80
|
;
5.
OAV
' ‘
ob
ore
'
\
|
|
OFS
1c2
“
|
||
M422
79
|
,
TC4S@1LF
ONL
-&
[7
M
\
23
78
|
x
¢
ward
‘
|
|
er
="
|
I | _ a aL Ol aL @ 25 76 |
Qbs Six
hee
gi
i
t
Ox Bx
LP
of
ay of
23
Les
75
ast
ost
Qe
oOiy
N5O
7
7
ued
a)
EEPROM
®
&
a
|
,
EN5O4
|
aia
|
%) Q)
wi
oTciasEK
27
™
!
°
bd
28
of
2
e278
Lee.
|
29
1c4
er
|
p
2
‘
3
oh<i
©
x
P)
1
le
}
vDT
|
ay ay
30
UTD78058GC-468
7
sf
|
>|
GS
E
Voc
2
‘
ra
el
70
™
XT)
2
fe}
i)
ves]
Zz
|
a
a
31
J
so
“HOLD
mel
3
on
'
69
alles
.
em
RstT]
Sy
‘
al2
32
ci4
MWB
|
SCK
we
P44
|
68
ix
al
I
4
fe
5
to
5
NAR
&
2
abd
of
DTC143EK
33
10000
oe:
'
in
Ss
pe
st
¥
5.04¥
Elo
|
"Te
as
g
Db
;
34
a
a
|
ae
So
‘
>
1
35
,
7
°
©
R563
vo
|
be
DTC143EK
36
65
|
Y
)
:
4
47k
8
CNL
ao
TF)
37
64
j
C
10512
T
psi
ent
aio
63
,
!
AT25320N10S127
|
'
bea
g
MALLL
DTC143EK
38
a
n
gol
Sn
;
or
DL
R10
39
SEO
mR
S
-
”
I
E
~
ae
-oTS
ae
1
‘
4
X2532081-2.7
!
3
Dt
-
t
5
wv
40
;
avTs
aes
ATZ5640N105127
4
x
LFBOL
a|
=
2
4142434445
4647
484950515253
5485
5657
585960
hoe
-
:
‘
oO
a?
|
.
|
83
of
[Saat
COI
°o
is
i
L
L78LRO5B
S|
6
"
KEYS
|
a
)
1
:
eee
SSo
o——#
KEY?
|
j
X57~
(C/3)
VOL
UNIT
zs
|
|
|
KEYS
|
a507
me
ee
al
a}
oO
mx
«
'
c7ot
H
;C]
Yl
oo
aad
1-4
9"
KEYS
t
+s)
R11
4
MIC
RD
MUTE
28
mel
sp
ab
|
+
opt
50k
|
I
oO”
=~
a
'
aoa
Ss
S €
opso8
’
{
0.
Otul
vVR7OL
'
‘
330
ES
5
as
rh
{
BR
BT
OT wl
CN701
CN2
"
is
O°
8
2;
2
|
J502
c703
Linhy,
io
:
Li
esalis20p
“2
a
ne
Moe
|
e©C559
1000p
©)
o/
2
MIC
t
7
od
ch
a)
ca)
od
Ls
U
oe
ebe
Ww
ET
Sau
1
R31.
0k
up
as
©
DS0S
:
|eRss4
olac
i
*%
cros
LJ
|
voLu
R4
ap
be
Ok
5
1
V
|
swu
Ri
4.
Ok
wee
le
33
0.
Olu
AM
Sh
6S
188355
E
Voc
meh
aes
cava
BACKFLOW
PREVENTION
|
bo
[pT
T
\
ca
Sav
RS,
10k
7
'
ME
i
wo.
Diu
|vRT02
VOLY
RG,
1.
Ok
rola
|
;
—
MIC
'
C70
WW.
[
SWV
R20
1.
Ok
he
—~.
om]
ao
a
OlAF
|
t
ANN
4
j
—
ese
tla
Deo
|
V
#0.
019
PW
E
a.
a
a.
'
DS
.
Omer
nee
DOWN
ed
HO
OLLO
r2
loko)
+
OTe
{
Loot
Uno
os
soe
|
|
a
ol
wal
~
”
1
‘
~~}
or
9
Je
OF
C8
'
m
_
ay
©
C550
RS65
4
RETS
GOe
SL50L0
38
j
C706
T
=
=]
|
|
oe
eek
oy
nT
oye
Oo
yma
1
ool
Pe
ee
ee
ee
ee
ee
ee
ee
ee
ee
ee
ee
ee
ml
16.
508.509
:2SC4738(GR)
DS01,504,
505
1188355
D506.
507
:DAZ2l
:2SA1519
D502
:DTZ7.
S(B)
DS506.509
:MA2S111
:2sK1824
D503
:MALL2

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"