Test Pin Of Control I/O (D-Sub 25-Pin) Connector; Common Section - Kenwood NXR-1700 Service Manual

Vhf repeater
Hide thumbs Also See for NXR-1700:
Table of Contents

Advertisement

4.4

Test Pin of CONTROL I/O (D-SUB 25-pin) Connector

RA
RD
TA
4.5

Common Section

Item
PC tuning mode
1.
1) DC voltage: 13.2V
Setting
2) SSG standard modulation
Narrow
MOD: 1kHz, DEV: 1.5kHz
Wide 5k
MOD: 1kHz, DEV: 3kHz
Wide 4k
MOD: 1kHz, DEV: 2.4kHz
2.
1) Adj item:
Receive
[Receive Assist]
Assist
2) Adj item:
[Low1],[Low2],[Low3],[Center1
], [Center2],[Center3],[High1],
[High2],[High3],[Overlap]
*(Hereinafter referred to as
[L1],[L2],[L3],[C1],[C2],[C3],
[H1],[H2],[H3],[OL].)
3.
1) Adj item:
Transmit
[Transmit Assist]
Assist
2) Adj item:
[L1],[L2],[L3],[C1],[C2],[C3],
[H1],[H2],[H3],[OL]
TD
Measurement
Test-
equipment
SSG
Audio
Analyzer
Oscilloscope
Adjustment
Termi
Unit
Unit Parts
nal
PC
ADJ
PC
ADJ
PC
ADJ
Specifications/
Method
[Automatic
2.5V±0.1V
Adjustment]
1) Press [Tune Assist
[Automatic
Voltage] button.
Adjustment]
2) Press [Apply All]
After the automatic
button to store the
adjustment is
adjustment value
performed, verify that
after the automatic
the VCO lock voltage
adjustment has
is within the voltage
finished.
range which is
specified by the
[Manual Adjustment]
manual adjustment.
[V] Indicator on the PC
window shows VCO
[Manual Adjustment]
lock voltage. Change
Press [Apply All]
the adjustment value to
button to store the
get VCO lock voltage
adjustment value after
within the limit of the
all adjustment points
specified voltage.
have been adjusted.
Note: Confirm the
VCO lock voltage
approximately 3
seconds after the
adjustment value is
changed.
(No.RA095<Rev.001>)1-57
Remarks

Advertisement

Table of Contents
loading

Table of Contents