ADJUSTMENT
Measurement
Test-
equipment
Unit
Terminal
Adjustment
Unit
Parts
Method
Specifications/Remarks
Condition
Item
54
TK-880
7. Maximum
1) Set test mode
Power meter Rear
ANT
4.1kHz (Wide 5k)
+0Hz, –50Hz
deviation
Connect AG to the MIC
Deviation
panel
3.3kHz (Wide 4k)
(Wide 5k/Wide 4k/Narrow)
terminal.
meter
2.05kHz (Narrow)
Select “MAX” in tuning mode. Oscilloscope
(According to the
“nL MAX”
, –)
AG : 1kHz/40mV
AF VTVM
Front
MIC
Deviation meter filter
AG
panel
LPF : 15kHz
HPF : OFF
De-emphasis : OFF
PTT : ON
2) “nC MAX”
PTT : ON
3) “nH MAX”
PTT : ON
4) “s MAX”
PTT : ON
5) “w MAX”
PTT : ON
8. MIC
1) Set test mode
Check
±
3kHz
±
0.2kHz (Wide 5k)
seisitivity
CH : CH1 - Sig1
±
2.4kHz
±
0.1kHz (Wide 4k)
check
AG : 1kHz/4mV
±
1.5kHz
±
0.05kHz (Narrow)
PTT : ON
9. QT deviation 1) Set test mode
0.75kHz (Wide 5k)
±
50Hz
Select “QT” in tuning mode.
0.60kHz (Wide 4k)
(Wide 5k/Wide 4k/Narrow)
“nL QT”
0.35kHz (Narrow)
Deviation meter filter
LPF : 3kHz
HPF : OFF
PTT : ON
2) “nC QT”
PTT : ON
3) “nH QT”
PTT : ON
4) “s QT”
PTT : ON
5) “w QT”
PTT : ON
10. DQT
1) Set test mode
0.75kHz (Wide 5k)
±
50Hz
deviation
Select “DQT” in tuning mode.
0.60kHz (Wide 4k)
(Wide 5k/Wide 4k/Narrow)
“nL DQT”
0.35kHz (Narrow)
Deviation meter filter
LPF : 3kHz
HPF : OFF
PTT : ON
2) “nC DQT”
PTT : ON
3) “nH DQT”
PTT : ON
4) “s DQT”
PTT : ON
5) “w DQT”
PTT : ON
Содержание TK-880 series
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