Kenwood TK-701S Service Manual page 52

Synthesized fm two-way radio
Table of Contents

Advertisement

ee
eee ee ee ee eee eee ee ee ee ee ee ee
eee ee eee ee ee ee
ee
eee
ee ee ee eee ee ee eee
ee ee eee
oT
TK-701S
TX-RX UNIT Schematic diagram
|
3.3V RF
6.5V RF
|
Ci IOP
;
C7 68P
Q2
sev
Q3
g.8V RF
I6V RF
|
2
a
LI
c149 68P
C19
sy
35
C39
|
TXO
fl
tT
33P
7
390p
D4
GND
}j2<
630)
NR
-
|
.
<
20P
T <
aj
aj
©
|
©
_
tr 4
o,
wo A
a
a.
a|
&
a
1.
wu
ZT}
0
re
S
o|
FT
at
Mf
cy
36
| Dries]
1 8
TE
Aq q ss
;
a
r
IK
C148
.
_
i
aI
if >
—$
7
+> | | 8
0.00!
=
0.
S
LS
Liz
if +
+2
in
0.00!
al
a:
st
NCO=
aS
"hha
uns cab
h
32
2
$6
1g a
pe
ye
RXO|3 —
3
ol | Q6 cov BL
a eal
[°3
meu FOO
' je
L
8
eal Is [88
pee
ye
.
_
a9
WN
'
Gnol2<
al
| yy
6) °6
Ioag
ea,
N
N
i>
418
I1.OV
0.001
BZ1!|
<t
x
ILZ7V]
RIG
x
_
2.2K
o
ra)
>
{
DIO
Dit
Dl2
|
S
3 | '] of
RI7 2.2K
Ly
>i
+
ae
a
|
|
|
ne
wo
R38
cio 2.2u50v|
28S
oe
Sox |
rs
| | |e
gt
[83
3
ok
a u s o v ]
gos ghL
ek
o3 |+
|
|
7
8 | 5 .
c94
R39 47K | 08
=
i+—
|
om
0.0047 pSP
ww
: g=
0 G08
sm
R42 eo
.0033
aia)
|
5] 8. J
xl
Yare 1S&xT OS
fem
|
—_
aay
|
rns
680K
Ww
§
I
|
2
C67 O.5IP
_
C78,
,0.33P
C8, ,0.33P
;
©
|
S
nu
0
B.OV
L30
2.0v_
jov.
jov___|2.4v
|0.6v }2.4v_
}2.4v
|OV
§3.7v
+ of!
|
$
'
r
0,
{
nn
A
eC
C(O
Co
O
=6l
Kb
=
|
oO
rs
os me
cH
tr:
1e
]
+ 5
,
tT
|
sor
a)
TL
a
2
| NOISE
Detector
|}
|
8
|
re}
.
ou
3.
=a
ld
s
|
|
a
¥ [ST
za
Og,
<
e|
SP
)
U13
stor]
2
bh
Fetes
I= ¢
os
fey
su Pi
8
v
|
wn
Sa0*
leg 8
(e)
2
t-
a
oI
owe
E
as
]
y
In
3
1.8K
Limiter
30
S
ra
N
oO
ele
+1 oO
©
_
C92
AD
Save)
(a)
|
|
|
pp 6 PS
Oo
D
°8P
vv
BK ¢
O
5 |
SP
»
|
23S
ClOO 22p25V
|
+
6.av
|6.4v Jesv [6 9Vv
fiov
|1.ov
$
~ | C95
L
al
aie:
CIO! » 0.047,
tS
|
= Lj aI
a =
|
Se
!
|
10
Qo.
Vo
Ss
|
|
535 28s
tb
|
(
UI6
UI?
7
cr vaseb
Bo
Goa
|
{
2
3
4
5
6
8
|
|.
7
6
5
4
3
2
»
R54
oT
0.0047 SP
|
|
B.1V) 13.
ro
s.iv
[ov
{75v
|8.1V_
|TB.ov
I3.4V ay 6.7
oy
Ovi
L3v}
Levi
ov
Ww
|
>
ts)
Oo
>
>
9
>
Q
o t
dy
-
C125 | IOOpiov
e)
|
© = So
ae
t, > + ne
Sa
47yl0V
NS 4
Fey oe
&
jv25
oO
|
2
Qi
"8
A} 5
les
¢
R55
= 4
pecd,
¢
> i | LMP
So]
|GLS
ae
OL
4
a6
2
be S129
8
t> 2
|GND
123 |
|
Pr 0.027 p
S
>
i"
1
=
'
ESP
|
5
a
_yv26
C8
j2<
tT
SB |3 <
920
RES
> | 1 COM
KEY 14 <
ov
=i
> 2]
BSY
R8}/5<
R74 33K
oy
> 3]
CAL
WW
>4|TXx
Ta
|6<
_
R70 2.7K
Wy
i _|
> 5 | GND
avo
|7 <
—_
ANN
JU!
RE |
y
C138 O.1u35V
q
ab
-
230
DIg
avi
|e
) here
>
me
9 ?
oo
[I
g
T
AFOI9
<
+130
MWNv——-@
DIS
te
O
ral
>
|
NSO
jiI0O<
Ow
Q2!
NE
ev
| eN5
t
O83
oF
|
_8 |,
|
>
4
Lat |
S10)
Oo
axg
he
a
x
QUO
°
OF
reoq
220!
330
|
AFI
ji2<
ous
28
CRS
KYS
ts)
47K.
l
mutT [13 <
=
+
| Lg
=sy
ev
O
veo'
88
Py
QTD
}i4<
mcL
ciz6
RES
RO
ay
O_°
a2
|
MN
0.0047,
47K
Ost
Ono
sz
See
xe
Of
I
AC
|I5<
OQ
'
y
I
BRL
QRS
+
Tv
$s
oy
UNL
16 <
°
OWO
OUO
ave
ave
2
3.
(4
5
|6
7
wu
°
saX
|
<
MON
AUX
0202
—_|p200
So
|
| |
4
D201
|
|
>}
7
I
L
'
|
ae
eS
Se
cone sone es
ey SD
ee
ems me
ee
eee
ee
ee
>
a
CED
Ge
GED
GEE
GED
GEE
GE
Ga
GE
Gua?
cae
Ge = eae
Gus
Gewese
Geen
cup
Gee
2822
2am
aaa
cee
Ge
eee
ee
wees
eee
ee
ee
eee
oe
nD
GEE
CU
CED
GED
==
ED
GP
GE
Ge
au
RD
eee
ae
Gee
eee
cee
GEEe
Ge
ae
eee
ewe
awe
aww
am
oP
ee
em
ae
eee
aD
_J
P27
SP
GND
J28
CR NO
UNIT NO.
' |
C6
| Cl2
|C20|
C23 | C241C28
| C29}
C30|
C38
|C40/C4I
| C421
C43}
CEI | C63 | C65}
C66|
C68}
C69)
C76 | C77 | C79)
CBO | C82 | C83 | CI8
QI
> 2SC2570A
Q1I0, l2
> 2
-
~
150 — 157 MHz
Q2
. 2802538
Ol
ek eope
an
Bee NOS:
181555
Peis o ig | 27P| 68P|33P | isoP | i80P| 100P| iooP| 27P| 18P |z0P |43P|/39P|20P]I2P |I2P | 5P |O.5P| — | 4P|5P | — | —
|4P | — | 5P |33P
1
Q3
: 28C2539
UI3
: MC3359P
03.
: 1SSIOI
I56 — 163MHz | O7p
Q4
: 9802630
bls
: MBB?56
bas
; ISSIO1
elnis Oot, | 27P|
68P|33P | isoP| sop] 82P| 82P|27P| I2P | 20P|}43P|39P|20P|1IP
|11P |4P | — | — | 3P/4P | — | — | 3P jose] 4P |33P
Q5
: 2SAIOI5(Y)
UI7
: pPC1242H
Dil, 12
162 — 169 MHz
26
ig 75894610)
Q18~20 —. ogc igi5(BL)
pis.
We 00
62 — ISOMnZ | 27°) SeP | 22P |1g0P| igor] 82P |82P | 24P| IOP | 16P|33P | 33P|16P|11P |1I1P |4P | —
[osP| 2p ,3P jose) — | 3P | — | 4P /33P
wd;
: 2SCIBI5(Y)
22~25,
20l
DI6
>: WZ-08!
168 —
|74 MHz
15,21
Q26
: 28C26031E}
519
Mtz3.0JB
ee
eoonts | '8P| 56P|22P |I50P|I50P| 6sP |e2P |22P) BP
|16P | 33P |33P/16P|10P
|10P | 3P | —
| — | 2P/3P | — | — | 2P
|osP| 3P
|27P
U200
- TC400/1 BP
Signal line
Common DCline
Adjusting points
6-8

Advertisement

Table of Contents
loading

Table of Contents