Kenwood NXR-1800 Service Manual page 65

Item PC tuning mode
13.TD 1) Adj item:
Deviation [TD Deviation (Analog Narrow)]
(Analog) [TD Deviation (Analog Wide 5k)]
[TD Deviation (Analog Wide 4k)]
(E2 type only)
2) Adj item:
[L1], [L3], [L5], [C1], [C3], [C5],
[H2], [H4], [H6], [OL]
Deviation meter
LPF: 3kHz
HPF: OFF
AG:100Hz/177mVrms (0.5Vp-p)
From "TD" terminal of D-SUB25
Pin No.8
Measurement
Test- Termi
Unit Unit Parts
equipment nal
Deviation TX
meter ANT
Oscilloscope
TD (D-
SUB25
Pin
No.8)
Adjustment
Method
PC Write Reference value for
ADJ each adjustment point as
follows.
Reference Value:
[Analog Narrow]
[L1] = 228(E), 223(E2)
[L3] = 227(E), 224(E2)
[L5] = 227(E), 225(E2)
[C1] = 227(E), 225(E2)
[C3] = 229(E), 226(E2)
[C5] = 223(E), 220(E2)
[H2] = 224(E), 220(E2)
[H4] = 224(E), 220(E2)
[H6] = 225(E), 221(E2)
[OL] = 224(E), 220(E2)
[Analog Wide 5k]
[L1] = 116(E), 113(E2)
[L3] = 115(E), 114(E2)
[L5] = 115(E), 114(E2)
[C1] = 115(E), 115(E2)
[C3] = 116(E), 115(E2)
[C5] = 113(E), 112(E2)
[H2] = 113(E), 112(E2)
[H4] = 114(E), 112(E2)
[H6] = 115(E), 113(E2)
[OL] = 114(E), 112(E2)
[Analog Wide 4k]
[L1] = 146(E2)
[L3] = 147(E2)
[L5] = 147(E2)
[C1] = 147(E2)
[C3] = 148(E2)
[C5] = 143(E2)
[H2] = 144(E2)
[H4] = 144(E2)
[H6] = 145(E2)
[OL] = 143(E2)
Transmit at each
adjustment point and
check that the deviation
is within the specified
range.
(No.RA094<Rev.002>)1-65
Specifications/
Remarks
[Analog Narrow]
750Hz±50Hz
[Analog Wide 5k]
750Hz±50Hz
[Analog Wide 4k]
750Hz±50Hz
Press [Apply All]
button to store the
adjustment values
after all adjustment
points have been
adjusted.
Note:
This adjusts the level
of the TX Data input
at D-SUB 25-pin.