Kenwood TK-260G Service Manual page 37

Item
7. Max DEV 1) Adj item [MAX]
Adjust
[Wide]
2) Adj item
[Narrow] 1) Adj item [MAX
8. MIC [Panel Test Mode]
Sensitivity 1) CH-Sig:1-1
Check
9. DQT VCO 1) Adj item [VDQT]
Balance
Adjust
[Wide]
2) Adj item
[Narrow] 3) Adj item [VDQT
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 [∗∗∗]
[VDQT] x
13. QT Deviation 1) Adj item [FQT]
Adjust
[Wide] 2) Adj item
[Narrow] 3) Adj item [FQT
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Condition
Test equipment
Power meter
Adjust [∗∗∗] Dev meter
AG:1kHz / 150mV Oscilloscope
Dev meter filter AG
LPF:15kHz AF VTVM
HPF:OFF
. . . . . . .
[ M A X] [ M A X] [ M A X
Adjust [∗∗∗]
PTT:ON
.
]
Adjust [∗∗∗]
PTT:ON
AG:1kHz / 15mV
LPF:15kHz
PTT:ON
Power meter
Adjust [∗∗∗] Dev meter
LPF:3kHz Oscilloscope
HPF:OFF AG
AF VTVM
. . . . . .
[V D Q T] [V D Q T] [V D Q
Adjust [∗∗∗]
PTT:ON
.
]
Adjust [∗∗∗]
PTT:ON
200
=[VQT]
150
Adjust [∗∗∗]
LPF:3kHz
HPF:OFF
. . . . . . .
[ F Q T] [ F Q T] [ F Q T
Adjust [∗∗∗]
PTT:ON
.
]
Adjust [∗∗∗]
PTT:ON
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ADJUSTMENT
Measurement
Terminal
ANT
SP/MIC connector
. .
]
ANT
SP/MIC connector
. . .
T ]
. .
]
TK-260G/270G
Adjustment
Parts Method
Encoder 4.2kHz
knob (According to
the larger +,-)
2.1kHz
(According to
the larger+,-)
Check
Encoder Make the
knob demodulation
waves into
square waves.
Wide:0.90kHz
Narrow:0.42kHz
Specifications/
Remark
±50Hz
2.2~3.0kHz
±40Hz
±40Hz
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