Kenwood FM Transceiver TK-481 Service Manual page 36

• Transceiver tuning
(To place transceiver in tuning mode)
System appears on LCD. Set system according to tuning
requirements.
LCD display (Test mode)
1 –
System No.
Press [S], now in tuning mode. Use [ B] button to write
tuning data through tuning modes, and channel selector
knob to adjust tuning requirements (1 to 256 appears on
LCD).
Use [C ] button to select the adjustment item through
tuning modes. Use [A] button to adjust 3 point tuning.
LCD display (Tuning mode)
F REQ
Adjustment item
3-point tuning frequency (MHz)
TK-480
Test CH
RX TX
Low 851.05000 806.05000
Center 860.50000 815.50000
High 869.90000 824.90000
Adjustment Points
TX-RX unit (X57-5630-XX) Component side view
VC
ADJUSTMENT
1
Group No.
1
Adjustment (1~256)
TK-481
RX TX
935.02500 896.02500
938.02500 899.02500
940.90000 901.90000
IC14
TK-480/481
Tuning mode
Panel test mode
System/Group No.
[S]
[S]
FREQ : Frequency adj.
[C]
[S]
HPOW : High power
[C]
[S]
THPW : High power (T/A)
[C]
[S]
LPW : Low power
[C]
[S]
TLPW : Low power (T/A)
[C]
[S]
BAL : DQT balance
[C]
[S]
MAX : Max deviation
[A]
[C]
[S]
TMAX : Max deviation (T/A)
[A]
[C]
[S]
NMAX : Max deviation (NPSPAC)
(TK-480)
[A]
[C]
[S]
FQT : Fine QT
[C]
[S]
FDQT : Fine DQT
[C]
[S]
FLTR : LTR
[C]
[S]
DTMF : DTMF deviation
[C]
[S]
FMSK : MSK deviation
[C]
[S]
TONE : Tone deviation
[C]
[S]
SQL : Squelch
[C]
[S]
BATT : Battery
[C]
[A]
[C] [C]
L MAX C MAX H MAX
[C]
[A]
[C] [C]
L TMAX C TMAX H TMAX
[C]
[A]
[C] [C]
L NMAX C NMAX H NMAX
[C]
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