TK-272G
37
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifications/
Test equipment
Terminal
Parts
Method
Remark
6. Low Power [Panel Test Mode]
Freq. Counter
ANT
VR1
Check
1) CH-Sig:1-1
Power meter
Check
0.5~1.5W
Set low power (Push [
2
])
Am meter
1.2A or less
PTT:ON
2) CH-Sig:2-1
PTT:ON
3) CH-Sig:3-1
PTT:ON
7. Max DEV
1) Adj item [MAX]
Power meter
ANT
Encoder
4.2kHz
±
50Hz
Adjust
Adjust [
∗∗∗
]
Dev meter
SP/MIC connector
knob
(According to
[Wide]
AG:1kHz / 150mV
Oscilloscope
the ,-)
Dev meter filter
AG
LPF:15kHz
AF VTVM
HPF:OFF
2) Adj item
[
.
M
A X]
➞
[
.
M
.
A
.
X]
➞
[
.
M
.
A
.
X
. .
]
Adjust [
∗∗∗
]
PTT:ON
[Narrow]
1) Adj item [MAX
.
]
2.1kHz
Adjust [
∗∗∗
]
(According to
PTT:ON
the ,-)
8. MIC
[Panel Test Mode]
Check
2.2~3.0kHz
Sensitivity
1) CH-Sig:1-1
Check
AG:1kHz / 15mV
LPF:3kHz
PTT:ON
9. QT TCXO
Adj item [X Q T]
ANT
Encoder
Balance
Adjust [200]
SP/MIC connector
knob
Wide, Narrow
10.DQT TCXO Adj item [X D Q T]
Balance
Adjust [150]
Wide, Narrow
11.DQT VCO
1) Adj item [VDQT]
Make the
Balance
Adjust [
∗∗∗
]
demodulation
Adjust
LPF:3kHz
waves into
[Wide]
HPF:OFF
square waves.
2) Adj item
[V
.
D Q T]
➞
[V
.
D
.
Q
.
T]
➞
[V
.
D
.
Q
.
T
. .
]
Adjust [
∗∗∗
]
PTT:ON
[Narrow]
3) Adj item [VDQT
.
]
Adjust [
∗∗∗
]
PTT:ON
12.QT VCO
Adj item [V Q T]
Balance
Adjust [
∗∗∗
]
200
[VDQT] x =[VQT]
150