Kenwood NX-3400, Service Manual

Page: 42 / 98

1-42 (No.RA070<Rev.001>)
4.8 Transmitter Section
Note: "Adj points" are described by abbreviation as "8" for 800M and "9" for 900M.
Item Condition Measurement Adjustment Specifications
/Remarks
<PC>: PC tuning mode
<Panel>: Panel tuning mode Unit Parts Method
1. High
Transmit
Power
(Battery
voltage :7.5V) <PC>
1) Adj item: [High Transmit Power]
2) Adj points: 10 points
[8TX L], [8TX C], [8TX H],
[8RX/TA L], [8RX/TA C],
[8RX/TA H], [9TX L], [9TX H],
[9RX/TA L], [9RX/TA H]
3) Press [Transmit] button.
Power
meter
Ammeter [+], [-] 3.0W
Press [Apply] button for <PC> , or
[ ] button for <Panel> to store
the adjustment value.
±0.1W
2.3A or less
<Panel>
1) Adj item: [H_PWR]
2) Adj points: *Same as above
3) PTT : ON
[

], [

]
2. Low
Transmit
Power
(Battery
voltage :7.5V) <PC>
1) Adj item: [Low Transmit Power ]
2) Adj points: 10 points
[8TX L], [8TX C], [8TX H],
[8RX/TA L], [8RX/TA C],
[8RX/TA H], [9TX L], [9TX H],
[9RX/TA L], [9RX/TA H]
3) Press [Transmit] button.
[+], [-] 1.0W
Press [Apply] button for <PC> , or
[ ] button for <Panel> to store
the adjustment value.
±0.1W
1.1A or less
<Panel>
1) Adj item: [L_PWR]
2) Adj points: *Same as above
3) PTT : ON
[

], [

]
3. Ramp
Offset <PC>
1) Adj item: [Ramp Offset ]
2) Press [Transmit] button.
Power meter
Ammeter [+], [-] <PC>
[Automatic Adjustment]
1) Press [Autotune(TX starts)]
button.
2) Press [Apply] button to store the
adjustment value after the
automatic adjustment has
finished.
<PC> <Panel>
[Manual Adjustment]
1) Set the adjustment value to "1".
2) Press [Transmit] button for
<PC> , or [PTT] button for
<Panel> and increase the
adjustment value slowly while
monitoring the offset monitor
value.
3) Set the adjustment value when
the offset monitor value exceed
"10".
<Panel>
1) Adj item: [RAMP]
2) PTT : ON
[

], [

]