Kenwood TK-880 Service Manual page 11

TK-880/880H
Item Condition
10. DQT 1) Set test mode
deviation Select "F DQT" in tuning mode. Deviation
"L FDQT"
Deviation meter filter
LPF : 3kHz
HPF : OFF
PTT : ON
2) "C FDQT"
PTT : ON
3) "H FDQT"
PTT : ON
11. Fine LTR 1) Set test mode
Select "FLTR" in tuning mode.
"L FLTR"
deviation meter filter
LPF : 3kHz
HPF : OFF
PTT : ON
2) "C FLTR"
PTT : ON
3) "H FLTR"
PTT : ON
12. DTMF 1) Set test mode
deviation Select "DTMF" in tuning mode.
Deviation meter filter
LPF : 15kHz
HPF : OFF
PTT : ON
13. MSK 1) Set test mode
deviation Select "FMSK" in tuning mode.
Deviation meter filter
LPF : 15kHz
HPF : OFF
PTT : ON
14. TONE 1) Set test mode
deviation Select "TONE" in tuning mode.
Deviation meter filter
LPF : 15kHz
HPF : OFF
PTT : ON
10
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power meter Rear ANT
panel
meter
Oscilloscope
AF VTVM Front MIC
AG panel
Adjustment
Parts Method
± 50Hz (Wide/Narrow)
0.75kHz (Wide)
0.35kHz (Narrow)
± 50Hz (Wide/Narrow)
1.0kHz (Wide)
0.75kHz (Narrow)
± 0.2kHz (Wide)
3.0kHz (Wide)
± 0.1kHz (Narrow)
1.5kHz (Narrow)
± 0.1kHz (Wide/Narrow)
3.0kHz (Wide)
1.5kHz (Narrow)
± 0.1kHz (Wide/Narrow)
3.0kHz (Wide)
1.5kHz (Narrow)
Specifications/Remarks