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TS-440
5
ADJUSTMEN
T
• RX
ADJUSTMENT
Measurement
Adjustment
Item
Condition
Tes
t
equipment
Unit
Terminal
Unit
Part
Method
Specification/Remark
s
1
IF AM
P
(common)
FREQ
14
.1750MH
z
MODE
US
B
RF GAIN Control
MA
X
Use the minimum SSG inpu
t
possible during alignment
.
SS
G
AF V
.
M
Oscilloscop
e
AF dummy
-
load (8S2)
Rea
r
Panel
AN
T
EXT
.SP
RF
T4,5,
3
---------
-
T7,8,1
5
9,
12
,
10,11
MA
X
Repeat 2–3 time
s
in case of T4,5,3,12
,
10,11
S/N 10 dB or more at – 6d
B
input
. 1V or more/8S2 a
t
AF GAIN control MAX
.
2
. 2nd MI
X
balance
FREQ
. 14
.1750MH
z
MODE
US
B
Connect the SSG to ANT terminal
.
SS
G
AF V
.
M
Oscilloscope
RF
VR2
MAX AF Noise level
.
RF
VR1
MIN AF noise level
.
3
. 1st MI
X
balance
FREQ
100
.0 (100kHz
)
MODE
USB
RF
T
i
TC1
Internal spurius bea
t
MIN
.
Repeat
2–3
times 70dB or mor
e4
. IF TRAP
FREQ
29MHz Ban
d
SSG
45
.05MH
z
OUT
80 dB!
,
5 RX DE
T
Balance
1) FREQ
14
.1750 MH
z
MODE
US
B
RF GAIN
. MI
N
IF SHIFT
: CENTE
R
RF GAIN
. MAX afte
r
adjustment
RF V
M
o
r
Oscilloscope
IF
0
9
(emitter
)
(R77)
IF
TC1
MI
N
6
. IF AM
P
(SSB)
FREQ
14
.1750MH
z
SSG
14
.1760 MH
z
OUT
0 dB
µ
MODE
USB
SS
G
AF V
.
M
Oscilloscope
Rea
r
panel
IF
L1,2,
3
4,18,5
MAX AF outpu
t
Use the minimu
m
SSG input possibl
e
during alignment
.
IF
L6
MAX AF outpu
t
7 IF AM
P
(FM)
FREQ
14
.1750MH
z
SSG
14
.1750 MH
z
MOD
'I kHz, DEV
: 3kH
z
OUTPUT
:30dB
µ
MODE
: FM
ANT
IF
VR3
Full scale
60
30dB±10d
B
/d
B
8
. S-METE
R
(FM)
FREQ
. 29
.0000MH
z
MODE
F
M
SSG
MOD OF
F
OUTPUT
:30dBµ
/
9
. S-METE
R
(SSBI
1) No signa
l
(SSG output
: OFF)
S-meter
IF
VR2
Set to starting point
.
(
.
Meter zero
)
2) FREQ
14
.1750 MH
z
MODE
US
B
SSG output
8dBµ
SS
G
S-meter
Rea
r
panel
ANT
IF
L3
S
1
Adjust counter clock
-
wise from peak
.
(turn slug out
)
3) SSG output
40dbµ VR3
S9
40dB±6d
B
10
. Squelc
h
threshold
1) MODE
C
W
SELECTIVITY
WID
E
SQL control
12 o'clock
Speaker
EXT
.
SP
IF
VR4
Adjust VR slowly an
d
stop at threshold
.
12 o'cloc
k
11
. Nois
e
Blanker
1) FREQ
14
.1750 MH
z
NB SW
O
N
SSG output
14
.175MH
z
First adjust 20dB input, the
n
use the minimum input a
s
possible
.
SS
G
DC V
.
M
Oscilloscope
Rea
r
panel
AN
T
EX
T
SP
R
F
R14
6
(10kS2)
T2
6
27
MI
N
21 Noise Gen
.
Low level
Noise Geri
.
SP
T2
6
27
MIN noise leve
l
12
. Beeper
1) AF GAIN Control
:
12 o'clock
AF V
.M
EXT
.
IF
VRIO
120mV/88
±10m
V
Depressing
I
A =Bland
AM key at
Oscilloscope
S
P
the same tim
e
2) POWER SW
O
N
3) Set to MEMORY CH17 whe
n
turning VFO
.
AF dumm
y
load
9 3