Kenwood TK-3148 Service Manual page 44

TK-3148
Item Condition
11. DTMF 1) Adj item [DTMF]
Deviation Adjust [ *** ]
Adjust Deviation meter fi lter
[Narrow] LPF: 15kHz
HPF: OFF
PTT: ON
[Wide] 2) Adj item [w DTMF]
Adjust [ *** ]
PTT: ON
12. FFSK 1) Adj item [FFSK]
Deviation Adjust [ *** ]
Adjust Deviation meter fi lter
[Narrow] LPF: 15kHz
HPF: OFF
PTT: ON
[Wide] 2) Adj item [w FFSK]
Adjust [ *** ]
PTT: ON
13. TONE 1) Adj item [TONE]
Deviation Adjust [ *** ]
Adjust Deviation meter fi lter
[Narrow] LPF: 15kHz
HPF: OFF
PTT: ON
[Wide] 2) Adj item [w TONE]
Adjust [ *** ]
PTT: ON
14. BATT 1) Adj item [BATT]
Detection Adjust [ *** ]
Writing PTT: ON
15. BATT [Panel Test Mode]
Detection 1) CH-Sig: 1-1
Check BATT terminal voltage: 6.8V
Use the battery jig (W05-
0909-00)
PTT: ON
2) BATT terminal voltage: 6.0V
Use the battery jig (W05-
0909-00)
PTT: ON
44
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power Panel ANT Panel
meter
Deviation Universal
meter connector
Oscilloscope
AG
AF VTVM
Power ANT
meter
DVM BATT
terminal
Adjustment
Parts Method
Encoder 1.25kHz ±0.1kHz
knob
2.5kHz ±0.1kHz
1.5kHz ±0.1kHz
3.0kHz ±0.1kHz
1.5kHz ±0.1kHz
3.0kHz ±0.1kHz
After pressing the BATT terminal voltage: 6.2V
PTT switch, confi rm
that one predeter-
mined numeric in
the range of 1 to 256
appears and then
press the [B] key.
That number will be
stored in memory
Check No blinking of LED
Blinking of LED
Specifi cations / Remarks