Kenwood TK-272G Service Manual page 37

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