Kenwood TK-270G - Manual (Page 37)

TK-260G/270G
37
ADJUSTMENT
Item Condition
Measurement Adjustment Specifications/
Test equipment Terminal Parts Method Remark
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 larger +,-)
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 larger+,-)
8. MIC [Panel Test Mode] Check 2.2~3.0kHz
Sensitivity 1) CH-Sig:1-1
Check AG:1kHz / 15mV
LPF:15kHz
PTT:ON
9. DQT VCO 1) Adj item [VDQT] Power meter ANT Encoder Make the
Balance Adjust [
∗∗∗
] Dev meter SP/MIC connector knob demodulation
Adjust LPF:3kHz Oscilloscope waves into
[Wide] HPF:OFF AG square waves.
2) Adj item AF VTVM
[V
.
D Q T] ➞ [V
.
D
.
Q
.
T] ➞ [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 =[VQT]
150
13. QT Deviation 1) Adj item [FQT] Wide:0.90kHz
±
40Hz
Adjust Adjust [
∗∗∗
] Narrow:0.42kHz
±
40Hz
LPF:3kHz
HPF:OFF
[Wide] 2) Adj item
[
.
F Q T] ➞ [
.
F
.
Q
.
T] ➞ [
.
F
.
Q
.
T
. .
]
Adjust [
∗∗∗
]
PTT:ON
[Narrow] 3) Adj item [FQT
.
]
Adjust [ ∗∗∗ ]
PTT:ON