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TS-440S
ADJUSTMEN
T
Measurement
Adjustment
Item
Condition
Test
Specification/Remark
s
equipment
Unit
Terminal
Unit
Part
Metho
d
7
. PLL
11 MODE
AM
Tracking
PLL
IC8-1
,
TRACKIN
G
62MHz BPF
Readjust T9 (VCO2 OSC coil) to
Gen
.
11
pin)
56On
OUT
GENERATO
R
unlock
. (Core is fully bottom po-
3dB or les
s
sition)
GND
k
2) Connect 5609 resister in Tracking
Spectrum
TP4
T6,7,8
GND
Do
O
O
Gen
. output line
. Use oscillo-
analyzer
(R64)
vR
I
scopes probe to connect to spec-
Probe
TP
4
(R64
)
trum analyzer
.
Shiel
d
Case
66MH
z
00
59
.5MH
z
/
00
0
OU
T
8
. VCO2
1) Reset operation must also be
DC V
.M
PLL
TP5
PLL
T9
6
.4V
T9 has two peaking point
.
performed
.
(L21)
Adjust as shown below
.
*See a microprocessor
t 0
.1V
GOO
D
operation check
.
T8
i
N
G
1) FREQ
: 14
.0000MH
z
MODE A
M
2) FREQ
13
.999,9
MHz
2
.2-3
.O
V
MODE A
M
31 FREQ
14
.000,00 MHz
Spectrum
PLL
TP4
PLL
VR1
L23 and L21 shorte
d
MODE AM
analyzer
(R64)
to ground
. (PLL
20d
B
unlocked
)
Adjust spurious radia
-
tion level
. (58
.25MHz)
or mor
e
58
.25
66
.5MH
z
9
. PLL 30MHz
FREQ
14
.250
.00MHz
Oscilloscope
PLL
TP7
PLL
T10,11
MAX
Ref
. 0
.3V/p-
p
BPF
MODE AM
IC12-5pin
,1
2
10
. PLL
38
.5-
FREQ
14
.250
.00MHz
Oscilloscope
PLL
TP8
PLL
T13,14
MAX
Ref
. 0
.2V/p-
p
39MHz BPF
MODE AM
(R112)
,1
5
11
. PLL VC
O
(6
.5-
1) Disconnect RF unit coax
. cabl
e
(VCO)
Trackin
g
Generator
PLL
IC14-1pi
n
36MHz)
2) Connect 5609 resistor in Track-
Probe
TP9
PLL
T16,17
37
.5dB
Less than 2d
B
BPF
Spectrum
(L33)
,18,19
between peak an
d
ing Generator
line
.
output
Ripple
2d
B
Use oscilloscope's probe to
analyzer
3dB or less
point of 37
.5MHz
.
connect to spectrum analyzer
.
45dB or more
42MH
z
12
. 39MHz
FREQ
24.9500MHz
Spectrum
PLL
TP9
PLL
VR
2
Spurius
MODE AM
analyzer
(L33)
Minimu
m
radiation
42dB or mor
e
31MHz
39MH
z
13
. VCO1
1) FREQ
29
.9999MHz
T21
±0
.1
V
MODE
:
A
M
FREQ
22
.0000MHz
5
.3-6
.3V
2) FREQ
21
.9999MHz
±0
.1
V
DC V
.M
PLL
TP10
RF
T22
2
.5V
FREQ
14
.5000MHz
(R138)
5
.3-6
.3V
3) FREQ
14
.9999MHz
±0
.1
V
T2
3
FREQ
7
.5000MHz
5
.3-6
.3
V
41 FREQ
7
.4999MHz
±0
.1
V
T2
4
FREQ
30
.0 (30kHz)
5
.5-6
.5V
92