Kenwood TK-701S Service Manual page 45

Synthesized fm two-way radio
Table of Contents

Advertisement

7018
LL UNIT (X61-1190-22)
|
|
PLL UNIT (X61-1190-22)
erminal functions
|
Printed Circuit Board
'onnector}
Terminal | Terminal
;
;
Connector|
Terminal | Terminal
;
;
No.
No.
name
Terminal function
No.
No.
name
Terminal function
P14
1
ESP
External speaker input
11
OPT.1
Spare
2
C8
8V common power source line
12
OPT.2
'Spare
3
SB
Switched B to regulated power source
13
OPT.3
Spare
4
KEY
TX/RX data input (L for TX; H for RX)
14
OPT.4
Spare
5
R8
8V when receiving
15
T8
Approx. 8V when transmitting
h
ae
6
T8 | 8V when transmitting
J7
1
S1VIO | Channel switch 1
7
AVO
Audio output from AF volume
;
,
2
S2BLU
Channel switch 2
8
AVI
Audio input to AF volume
,
3
S3GRN | Channel switch 3
9
AFO
Audio signal output
a
10
NSO
Noise squelch output
4
S4YEL
Channel switch 4
4
NSI
ve a ch - ,
5 | S5ORG | Channel switch 5
olse squeren ines
6
S6RED | Channel switch 6
12
AFI
Audio signal input
7
C BRN
5V common
line
13
MUT
Mute signal input
14
QTD
Quiet Tone Disable input
J8
1
$1 VIO | Channel switch 1
15
AC
Audio Control output
2
S2 BLU | Channel switch 2
5
16
UNL
Unlock signal output
3
S3 GRN | Channel switch 3
x
4
S4 YEL | Ch
|
switch
"
o>
P2
1
B
Transmitting final Bt
anne! switch 4
m
2
og
5
S5 ORG | Channel switch 5
—-
Iq
2
B
Transmitting final Bt
m
Ix
ae
6
S6 RED | Channel switch 6
Q
|2
3
B
Transmitting final Bt
xo
wm
'In |o
.
7
C BRN
5V common line
oO
ja
o
[| |S {>
4
B
Transmitting final Bt
D
yy
J9
1
BO BLU | ROM address
input
a Sm
J3
1
A
Microphone PTT grounded
aceress npe
5
3 r
2
B1GRN
| ROM address input
2
PTT
Microphone PTT input
3
B2 YEL | ROM address input
.
mM
3
MIC-L
Microphone grounded
;
4
MIC-H1
Microohone input 1
4
B3 ORG | ROM address input
'low mpedancel
5 | B4RED | ROM address input
e
|o
6
5V BRN | 5V
li
5
MIC-H2
| Microphone input 2
common
ine
(high impedance)
J10
1
TXO
Transmit local signal output to TX/RX
@
6
SPARE 1 | Spare
unit
7
BASE MIC|
Base Mic 8V DC
2
GND
GND
T
MIC hang-u
8
0
nowe
Ju
1
BZBLU | Audio output
J4
1
At
Bt for reception only
2
GND
GND
(REC)
(when internal jumper is cut)
2
RXO
Receive local signal output
RX MUT
| RX MUTE signal output
shield
to TX/RX unit
3
ESP-H
External speaker output
4
FLTED
Audio output bypassed volume
VOL.
control
SQ-H
5
SPARE | Spare (GND)
Jumper wire function
(A-)
6
A~
GND
JU
Cut off during key control by signalling unit.
7
ESP-L
External speaker GND (-)
JU2
x
Short-circuits the CTCSS AF signal input and output
8
A~
GND
terminals.
)
QTD
Quiet Tone Disable contro!
JU3
Cut off during key control by timer-out timer.
10
SPARE | Spare (B line input: 13.6V)
JU4
Outputs AVI signal.
11
At
B* line input (13.6V)
JUS
x | Grounds the QTD.
J5
1
GND
GND
JU6
Cut off when using Rx power supply.
2
BZ
|
Beéper line input
JU7
Grounds the spare terminal.
|
3
C8
8V common power source line
JU8
Connects the power and spare terminals.
4
KEY
TX/RX data input (L when transmit-
JUS
A
Installed in TK-7018S.
Determines the
ting; H when receiving)
JU10
A
Installed in TK-801S.
Tx-PLL dividing
;
5
PTT
Microphone PTT input
JU11
A
Installed in TK-701S. ) ratio.
JUI2
Cut off to disable the duplex.
J6
1
GND
| GND
JU13
x | Install to disable the QTD reverse circuit.
2
DET
RX CTCSS input
JU14
x
Install to convert the 16CH unit to duplex.
'
3
AFI
Audio Frequency signal input
4
AC
Audio control output
5
-AFO
Audio output
x
indicates jumper wire not supplied.
6
SB
Switched B to regulated power source
soe
i
7
MOD
Tone signal output
8
KEY
TX data output (L when transmitting;
H when receiving)
9
PTT
Microphone PTT input
10
C8
8V common power source line
.

Advertisement

Table of Contents
loading

Table of Contents