Kenwood TK-260G Service Manual page 37

Item Condition
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:15kHz
PTT:ON
9. 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
10.QT TCXO Adj item [X Q T]
Balance Adjust [200]
Wide, Narrow
11.DQT TCXO Adj item [X D Q T] 5
Balance Adjust [150]
Wide, Narrow
12.QT VCO Adj item [V Q T]
Balance Adjust [ ]
200
[VDQT] x
150
13. QT Deviation 1) Adj item [FQT]
Adjust Adjust [ ]
LPF:3kHz
HPF:OFF
[Wide] 2) Adj item
.
[ F Q T] [
Adjust [ ]
PTT:ON
[Narrow] 3) Adj item [FQT
Adjust [ ]
PTT:ON
ADJUSTMENT
Measurement
Test equipment
Power meter
Dev meter
Oscilloscope
AG
AF VTVM
. . . . . . . .
M A X] [ M A X ]
.
]
Power meter
Dev meter
Oscilloscope
AG
AF VTVM
. . . . . . . .
[V D Q T] [V D Q T ]
.
]
=[VQT]
. . . . . . . .
F Q T] [ F Q T ]
.
]
TK-260G/270G
Terminal Parts
ANT Encoder
SP/MIC connector knob
ANT Encoder
SP/MIC connector knob
Adjustment
Specifications/
Remark
Method
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.
Wide:0.90kHz 40Hz
Narrow:0.42kHz 40Hz
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