TK-2140
29
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifications/
Test equipment
Unit
Terminal
Unit
Parts
Method
Remark
6. DQT Balance 1) Adj item [BAL]
Power meter
Panel
ANT
Panel
Encoder
Make the
Adjust
Adjust [
∗∗∗
]
Dev meter
universal
knob
demodulation
[Wide]
LPF:3kHz
Oscilloscope
connector
waves into
HPF:OFF
AG
square waves.
2) Adj item
AF VTVM
[L BAL]
➞
[C BAL]
➞
[H BAL]
Adjust [
∗∗∗
]
PTT:ON
[Narrow]
3) Adj item [n BAL]
Adjust [
∗∗∗
]
PTT:ON
7. Max DEV
1) Adj item [MAX]
3.8kHz
±
50Hz
Adjust
Adjust [
∗∗∗
]
(According to
[Wide]
AG:1kHz / 150mV
the ,-)
Dev meter filter
LPF:15kHz
HPF:OFF
2) Adj item
[L MAX]
➞
[C MAX]
➞
[H MAX]
Adjust [
∗∗∗
]
PTT:ON
[Narrow]
1) Adj item [n MAX]
1.75kHz
Adjust [
∗∗∗
]
(According to
PTT:ON
the ,-)
8. MIC
[Panel Test Mode]
Check
Wide:2.4~3.6kHz
Sensitivity
1) CH-Sig:1-1
Narrow:1.0~2.2kHz
Check
AG:1kHz / Wide:15mV
Narrow:16mV
LPF:15kHz
PTT:ON
9. QT Deviation 1) Adj item [FQT]
Power meter
Panel
ANT
Panel
Encoder
Wide:0.75kHz
±
50Hz
Adjust
Adjust [
∗∗∗
]
Dev meter
universal
knob
Narrow:0.35kHz
LPF:3kHz
Oscilloscope
connector
HPF:OFF
AG
[Wide]
2) Adj item
AF VTVM
[L FQT]
➞
[C FQT]
➞
[H FQT]
Adjust [
∗∗∗
]
PTT:ON
[Narrow]
3) Adj item [n FQT]
Adjust [
∗∗∗
]
PTT:ON
10.DQT
1) Adj item [FDQT]
Devition
Adjust [
∗∗∗
]
Adjust
LPF:3kHz
HPF:OFF
[Wide]
2) Adj item
[L FDQT]
➞
[C FDQT]
➞
[H FDQT]
Adjust [
∗∗∗
]
PTT:ON
[Narrow]
3) Adj item [n FDQT]
Adjust [
∗∗∗
]
PTT:ON
