Kenwood TKR-750 Service Manual page 42

TKR-750
Item Condition
(Narrow) 2) A-low CH (TX VCO A low)
A-center CH (VCO A center)
A-high CH (TX VCO A high)
B-low CH (TX VCO B low)
B-center CH (VCO B center)
B-high CH (TX VCO B high)
Transmission
23. DQT 1) Low CH (VCO-A center)
balance High CH (VCO-B center)
(Wide) Deviation meter filter
HPF : OFF
LPF : 3kHz
De-emphasis : OFF
Transmission
(Narrow) 2) Low CH (VCO-A center)
High CH (VCO-B center)
Transmission
24. QT 1) VCO-A CH (TX VCO A center) MOD ANA Rear
deviation VCO-B CH (TX VCO B center) or
(Wide) Deviation meter filter
HPF : OFF
LPF : 3kHz
De-emphasis : OFF
Detector : p-p/2
Transmission
(Narrow) 2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission
25. DQT 1) VCO-A CH (TX VCO A center)
deviation VCO-B CH (TX VCO B center)
(Wide) Deviation meter filter
HPF : OFF
LPF : 3kHz
De-emphasis : OFF
Detector : Peak hold
Transmission
(Narrow) 2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission
26. CW ID 1) VCO-A CH (TX VCO A center)
deviation VCO-B CH (TX VCO B center)
(Wide) Deviation meter filter
HPF : OFF
LPF : 15kHz
De-emphasis : OFF
Transmission
(Narrow) 2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission
44
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
MOD ANA Rear TX OUT
or
Deviation
meter
Oscilloscope
AG Front MIC
AF VTVM
MOD ANA Rear TX OUT
or
Deviation
meter
Oscilloscope
TX ANT
Deviation
meter
Oscilloscope
AG Front MIC
AF VTVM
Adjustment
Parts Method
± 0.1kHz
PC adj.
2.05kHz
PC adj. Oscilloscope DC range
Make the de- flat "A" part
modulated waves
into square waves.
± 0.05kHz
PC adj.
0.75kHz
± 0.05kHz
PC adj.
0.35kHz
± 0.05kHz
PC adj.
0.75kHz
± 0.05kHz
PC adj.
0.35kHz
± 0.1kHz
PC adj.
2kHz
± 0.05kHz
PC adj.
1kHz
Specifications/Remarks
A
A