Kenwood NX-800H Service Manual page 51

Item
Panel test mode
5. Sensitivity 1) CH-Sig : 1-1
check SSG output
Wide:
–117dBm (0.32µV)
(MOD: 1kHz/±3kHz)
Narrow:
–117dBm (0.32µV)
(MOD: 1kHz,
Dev: ±1.5kHz)
Common Section
Item
Panel test mode
1. Setting 1) DC voltage: 13.6V
2) SSG standard modulation
[Wide] MOD: 1kHz, DEV: 3kHz
[Narrow] MOD: 1kHz, DEV: 1.5kHz
2. LCD 1) Adj item: [CNTR]
contrast Adjust: [✳✳✳]
Press [ ] key to store
the adjustment value.
3. Receive 1) Adj item: [RAST]
Assist Adjust: [✳✳✳]
2) Adj item: [L RAST]→
[L' RAST]→[C RAST]→
[H' RAST]→[H RAST]
Adjust: [✳✳✳]
Press [ ] key to store
the adjustment value.
Transmit 1) Adj item: [TAST]
Assist Adjust: [✳✳✳]
2) Adj item: [L TAST]→
[L' TAST]→[C TAST]→
[H' TAST]→[H TAST]
Adjust: [✳✳✳]
PTT : ON
Press [ ] key to store
the adjustment value.
4. RTC 1) Adj item: [RTC]
oscillation Adjust: [✳✳✳]
frequency
adjust
ADJUSTMENT
Condition
PC test mode
equipment
1) Test Channel SSG
Channel: 1 AF VTVM
Test Signaling Oscilloscope
Mode: Analog Distortion
Signaling: 1 meter
SSG output
Wide:
–117dBm (0.32µV)
(MOD: 1kHz/±3kHz)
Narrow:
–117dBm (0.32µV)
(MOD: 1kHz,
Dev : ±1.5kHz)
Condition
PC test mode
equipment
1) Adj item:
[LCD Contrast]
Press [Apply]
button to store the
adjustment value.
1) Adj item:
[Receive Assist]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
Press [Apply All]
button to store the
adjustment value.
1) Adj item:
[Transmit Assist]
2) Adj item: [Low],
[Low'], [Center],
[High'], [High]
PTT: Press
[Transmit] button.
Press [Apply All]
button to store the
adjustment value.
1) Adj item: [RTC
(Real-time clock)]
Measurement
Test-
Unit Terminal Unit
ANT
EXT SP
connec-
tor
Measurement
Test-
Unit Terminal Unit
NX-800/800H
Adjustment
Parts Method
Check
Adjustment
Parts Method
[Panel Adjust the LCD
tuning contrast by looking.
mode]
[ ],[ ]
[PC test
The sub LCD display
mode]
and [V] indicator
[ ],[ ]
on the PC window
shows VCO lock
voltage. Change the
adjustment value
to get VCO lock
voltage within the
limit of the speci-
fi ed voltage.
Note:
Confi rm the VCO
lock voltage approxi-
mately 3 seconds
after the adjustment
value is changed.
[ ] [Panel tuning mode]
Press [ ] key. After
automatic adjust-
ment adjusted value
is displayed on LCD.
Press [ ] key to
store the adjust-
ment value.
[PC test mode]
Press [Start] button
of "Auto Tuning".
Press [Apply] button
to store the adjust-
ment value after the
automatic adjust-
ment was fi nished.
Specifi cations /
Remarks
12dB SINAD or
more
Specifi cations /
Remarks
After replacing the
LCD align contrast.
3.0V±0.1V
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all adjustment
point was adjusted.
Adjustment of the
transceiver's inter-
nal clock.
51