Kenwood TK-3140 Service Manual page 18

TK-3140
Item Condition
11.LTR 1) Adj item [FLTR]
Deviation Adjust [
Adjust LPF:3kHz
HPF:OFF
[Wide] 2) Adj item
[L FLTR]
Adjust [
PTT:ON
[Narrow] 3) Adj item [n FLTR]
Adjust [
PTT:ON
12.DTMF 1) Adj item [DTMF]
Deviation Adjust [
Adjust LPF:15kHz
[Wide] HPF:OFF
PTT:ON
[Narrow] 2) Adj item [n DTMF]
Adjust [
PTT:ON
13.MSK 1) Adj item [FMSK]
Deviation Adjust [
Adjust LPF:15kHz
[Wide] HPF:OFF
PTT:ON
[Narrow] 2) Adj item [n FMSK]
Adjust [
PTT:ON
14.TONE 1) Adj item [TONE]
Deviation Adjust [
Adjust LPF:15kHz
[Wide] HPF:OFF
PTT:ON
[Narrow] 2) Adj item [n TONE]
Adjust [
PTT:ON
15.BATT 1) Adj item [BATT]
Detection Adjust [
Writing PTT:ON
16.BATT [Panel Test Mode]
Detection 1) CH-Sig:1-1
Check BATT terminal voltage:
NiCd, NiMH:6.5V
Li-ion:6.8V
PTT:ON
2) BATT terminal voltage:
NiCd, NiMH:5.7V
Li-ion:6.0V
PTT:ON
18
ADJUSTMENT
Measurement
Test equipment
Power meter
] Dev meter
Oscilloscope
AG
AF VTVM
[C FLTR] [H FLTR]
]
]
]
]
]
]
]
]
Power meter
] DVM
Unit Terminal Unit
Panel ANT Panel
Universal
connector
Panel ANT Panel
BATT
terminal
Adjustment
Specifications/
Remark
Parts Method
Encoder 1.0kHz ±0.1kHz
knov
0.75kHz ±50Hz
Wide:2.5kHz ±0.1kHz
Narrow:1.25kHz
Wide:1.0kHz ±0.1kHz
Narrow:0.75kHz
Wide:3.0kHz ±0.1kHz
Narrow:1.5kHz
Encoder After pressing BATT terminal
knob the PTT switch, voltage:6.2V
confirm that
one predeter-
mined numeric
in the range 1
to 256 appears
and then press
[B] key. That
numeric will be
stored in memory.
Check No blinking of LED
Blinking of LED