Kenwood TK-230 Service Manual page 60

ADJUSTMENT
Measurement Adjustment
Item Condition oqhestont Unit | Terminal | Unit | Parts Method Specifications/Remarks
6. Power (APC)| 1) Connect the power meter Power meter EXT. ANT ; APC | VR1 Power MAX, 5.5W or more.
adjustment to EXT. ANT. Freq'
T.SW : Set to @ position. counter
CH : Channel with highest DC ammeter
TX FREQ' (fTH).
PTT : ON
2) CH : Channe! with lowest
TX FREQ! (ft).
PTT : ON Power meter
3) CH : Channel with TX center aaa VR2 Power MIN. +0.3W
PTT: ON
over
. 6
1.0W ADJ.
£0.2W
4) CH : Channel with TX center og VR1 5.0W ADJ. +0.2W
FREQ! (Fr). Deviation meter 2 7A or less.
PTT: ON see
5) CH : Check other channel eS © ee Check 4W or more.
PTT: ON Freq' counter 2.7A or less.
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7. DOT 1) CH : Set the channel selector | Power meter TX-RX | VR4 Make the de-
waveform to the channel with which Deviation modulation
correction DOT is used. meter waveform neat.
Deviation meter filter Oscilloscope |
HPF : OFF
LPF : 3kHz
PTT : ON
8. QT
1} CH : Set the channel selector
TX-RX | VR5
+0.75kHz +100Hz
to the channel with which
QT/CTCSS is used.
Deviation meter filter
HPF : OFF
LPF : 3kHz
De-emphasis : 750us
PTT : ON
9. Maximum
| 1) AG : 1kHz/150mV at MIC in
MIC
TX-RX | VRB | +4.4kHz
+100Hz
deviation Deviation meter filter (£4.9kHz ADJ.
adjustment HPF : OFF when using a
LPF : 15kHz
QT/DQT)
De-emphasis : OFF Adjust orfe more
PTT : ON than the other by
switching between
—P and +P.
10. MIC
1) AG : 1kHz/15mV at MIC in
TX-RX | VR1 +3kHz ADJ.
£100Hz
sensitivity PTT: ON (£3.75kHz ADJ.
adjustment
when using a
signaling)
11. DIME
1) CH : Channel with TX center
TX-RX |VR2 | +2.8kHz ADJ.
+100Hz
(KDM-4/4A FREQ' (fT).
installed) Connect the DTMF board.
Keyboard :[1] push
PTT: ON
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