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TS-440
5
ADJUSTMEN
T
•
VOLTAGE CHECK, ADJUSTMEN
T
Measurement
Adjustment
Item
Condition
Tes
t
equipment
Unit
'
Terminal
Unit
Part
Method
Specification/Remark
s
1
. Voltage
1) POWER
: ON
DC V
.M
IF
19
-5
Check
13
.3-
14.3
V
RF GAIN
: MAX
19
-9
4
.5-5
.5 V
MODE
USB 19
-10
7
.2-8
.2 V
STBY
REC
9
-1
SW
"
A
"
VR-4
2
.6V
+0
.05V, -O
V
27-
4
IF
VR-5
8
.8
V
•
COMMON ADJUSTMEN
T
Measurement
Adjustment
Item
Condition
Tes
t
equipment
Unit
Terminal
Unit
Part
Method
Specification/Remark
s
1
. CAR
MODE
: USB
Oscilloscope
IF
14-
2
IF
L15
0
.4V/p-p
f0
.05V/p-
p
TC2
8
.3750MHz
±50H
z
Freq
.counter
•
PLL ADJUSTMENT
Measurement
Adjustment
Item
Condition
Tes
t
equipment
Unit
Terminal
Unit
Part
Method
Specification/Remark
s
1
. Referenc
e
oscillato
r
frequency
36MHz
Freq
. counter
PLL
TP6
PLL
TC1
36
.000,000MHz
± 10H
z
(R96
)
2
. RIT
1) FREQ
14
.000OMHz
DISPLAY
SW
"
A"
VR3
14
.000,00 RIT
.0
.
0
MODE A
M
RIT Pot
: CENTE
R
RIT SW : ON
I
2) RIT Pot
.
: FULL CW (+)
14
.00120 RIT1
.2 or mor
e
RIT Pot
.
: FULL CCW
-I
13
.998
.80 RIT- 1
.2 or mor
e
3 VCO5
DC V
.M
PLL
TR11
PLL
T20
5
.OV
±0
.2 V
(R146
)
4
. VC04
1) FREQ
. 14
.0000MHz
DC V
.M
PLL
TP
1
MODE A
M
Disconnect PLL- 6 connecto
r
when PLL unlocked
.
(L2)
PLL
Ti
3
.8V
±0
.1
V
2) MODE
USB
4
.2-4
.6 V
3) MODE
LSB
3
.2-3
.6 V
4) MODE
US
B
IF SHIFT Pot
.
: CENTER
Freq, counter
PLL
3
-2
SW"A"
VR7
456
.875kHz
t
1
5) IF SHIFT Pot
.
FULL CW
457.875kHz or mor
e
61 IF SHIFT Pot
.
: FULL CCW
455
.875kHz or les
s
7) IF SHIFT Pot
.
: CENTER
456
.875kHz
456
.874--456
.876kH
z
5
. VCO3
1) FREQ
13
.9999MH
Z
MODE
: AM
DC V
.M
PLL
TP2
PLL
T2
6
.2V
±0
.
W
(L13
)
21 FREQ
14
.0000MH
z
MODE A
M
6
. PLL 6 .6MHz
1) FREQ
: 14
.0050MHz
Oscilloscope
PLL
TP3
PLL
T3-5
MAX
Ref
. 0
.2V/p-
p
BPF
MODE AM
(R60
)
9
1