TS-440S
ADJUSTMENT
•
RX ADJUSTM ENT
Measurement
Adjustment
Item
Condition
Test
S pecification/Remarks
equipment
U n it
Term inal
U n it
Part
Method
1 . IF AMP
FREQ : 1 4. 1 750MHz
SSG
Rear
ANT
RF
T4, 5,3
MAX
S/N
1 0 dB or more at - 6dB
(common)
MODE : USB
AF V . M
Panel
EXT.SP
input. l V or more/80 at
RF GAIN Control : MAX
Oscilloscope
AF GAIN control MAX .
Use the minimum SSG input
AF dummy-
T7,8, 1 5 Repeat 2 - 3 times
possible during alignment.
load (80)
9, 1 2, in case of T4, 5,3, 1 2,
1 0, 1 1 1 0, 1 1
2. 2nd MIX
FREQ : 1 4. 1 750M Hz
SSG
RF
VR2
MAX AF Noise level.
balance
MODE : USS
AF V . M
Connect the S S G t o A N T terminal.
Oscilloscope
3.
1 st M IX
FREQ : . 1 00.0 ( 1 00kHz)
RF
VR 1
MIN AF noise level .
balance
MODE : USS
4. IF TRAP
FREQ
: 29MHz Band
RF
T1
Internal spurius beat Repeat 2 - 3 times 70dB or more
SSG : 45.05MHz
TC 1
MIN.
OUT
: 80 dBµ
5.
RX DET
1 ) FREQ :
1 4. 1 750 MHz
RF V.M
IF
Q9
IF
TC 1
MIN
Balance
MODE : USB
or
(emitter)
RF GAIN : MIN
Oscilloscope
(R77)
IF SH IFT : C ENTER
RF GAIN : MAX after
adjustment
6.
IF AMP
FREQ : 1 4. 1 750MHz
SSG
Rear
IF
L 1 , 2,3
MAX AF output
(SSB)
SSG : 1 4. 1 760 MHz
AF V . M
panel
4, 1 8, 5 Use the minimum
OUT : 0 dBµ
Oscilloscope
SSG input possible
MODE : USS
during alignment.
7.
IF AMP
FREQ : 1 4. 1 750MHz
IF
L6
MAX AF output
(FM)
SSG 1 4. 1 750 MHz
MOD : 1 kHz, DEV: 3kHz
OUTPUT : 30dBµ
MODE : FM
8.
S-METER
FREQ : 29.0000MHz
ANT
IF
VR3
Full scale
60
30dB ± 1 0dB
(FM)
MODE : FM
T'
SSG : MOD OFF
OUTPUT : 30dBµ
9.
S-METER
1 ) No signal
S-meter
IF
VR2
Set to starting point.
(SSS)
(SSG output: OFF)
(Meter zero)
2) FREQ :
1 4. 1 750 MHz
SSG
Rear
ANT
IF
L3
S 1
MODE : USB
S-meter
panel
Adjust counter clock-
SSG output :
SdBµ
wise from peak.
(turn slug out)
3) SSG output : 40dbµ
VR3
S9
40dB ± 6dB
1 0.
Squelch
1 ) MODE : CW
Speaker
EXT.
IF
VR4
Adjust VR slowly and 1 2 o'clock
threshold
S ELECTIVITY : WIDE
SP
stop at threshold .
SOL control : 1 2 o'clock
1 1 .
Noise
1 ) FREQ : 1 4. 1 750 MHz
SSG
Rear
ANT
RF
T26
MIN
Blanker
NB SW : ON
DC V . M
panel
EXT
R 1 46
27
SSG output : 1 4. 1 75MHz
Oscilloscope
SP
( 1 0k!J)
First adjust 20dB input, then
use the minimum input as
possible.
2)
Noise Gen. : Low level
Noise Gen.
T26
MIN noise level
SP
27
1 2. Beeper
1 ) AF GAIN Control : 1 2 o'clock
AF V.M
EXT.
IF
VRIO
1 20mV/80
± 1 0mV
Depressing
A
and
�
key at
Oscilloscope
SP
the same time
AF dummy
2) POWER SW : ON
load
3) Set to MEMORY CH 1 7 when
turning VFO.
9 3