TK-372G
43
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifications/
Test equipment
Terminal
Parts
Method
Remark
K3 type
1. Sensitivity
Adj item [SENS]
DVM
Encoder knob
f
L
: ([S
.
E N S]) : [53]
Adjustment Adjust [
∗∗∗
]
f
C
: (S
.
E
.
N
.
S) : [130]
f
L
f
c
f
H
[S
.
E N S]
➞
[S
.
E
.
N
.
S]
➞
[S
.
E
.
N
.
S
. .
]
f
H
: (S
.
E
.
N
.
S
. .
) : [208]
2. BPF
(PANEL TEST MODE)
Tracking generator
ANT
TC301, TC302,
Adjust wave form
CH-Sig 3-1
spectrum analyzer
TC303
to figure 1.(f
H
)
Tra-G setting -40dBm
BPF
3. Sensitivity
Adj item [SENS]
Tracking generator
ANT
Encoder knob
Adjust wave form
Adjustment Adjust [
∗∗∗
]
spectrum analyzer
BPF
to figure 2.(f
L
)
f
L
[S
.
E N S]
Tra-G setting -40dBm
Adj item [SENS]
Adjust [
∗∗∗
]
f
C
[S
.
E N S]
Tra-G setting -40dBm
4. Sensitivity
[Panel Test Mode]
SSG
ANT
Check
1) CH-Sig:1-1
AF VTVM
Check
12dB SINAD or
SSG OUT
Oscilloscope
more
Semi wide:-116dBm (0.35
µ
V)
(MOD:1kHz /
±
2.4kHz)
5. Squelch (Open) 1) Adj item [SQL3]
Encoder
Adjust to the
Adjust
Adjust [
∗∗∗
]
knob
squelch
[Wide]
SSG OUT
squelch.
threshold point
Narrow:-124dBm
[Narrow]
Adjust [
∗∗∗
]
SSG OUT
Semi wide:-123dBm
Fig. 1
Fig. 2