Kenwood TK-270G service manual TK-260G/270G, Adjustment, 14.DQT

Models: TK-270G

1 50
Download 50 pages 29.94 Kb
Page 38
Image 38
14.DQT

TK-260G/270G

ADJUSTMENT

 

Item

 

Condition

Measurement

Adjustment

Specifications/

 

 

Test equipment

Terminal

Parts

Method

Remark

 

 

 

 

14.DQT

1)

Adj item [FDQT]

Power meter

ANT

Encoder

Wide:0.75kHz MAX

 

 

Devition

 

Adjust [∗∗∗]

Dev meter

SP/MIC connector

knob

Narrow:0.4kHz MAX

 

 

Adjust

 

LPF:3kHz

Oscilloscope

 

 

 

 

 

 

 

 

HPF:OFF

 

 

 

 

 

 

 

[Wide]

2)

Adj item

 

 

 

 

 

 

 

 

 

[F.D Q T] [F.D.Q.T]

[F.D.Q.T. .]

 

 

 

 

 

 

 

 

Adjust [∗∗∗]

 

 

 

 

 

 

 

 

 

PTT:ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[Narrow]

3)

Adj item [FDQT.]

 

 

 

 

 

 

 

 

 

Adjust [∗∗∗]

 

 

 

 

 

 

 

 

 

PTT:ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15.DTMF

1)

Adj item [DTMF]

 

 

 

Wide:2.5kHz

±0.1kHz

 

Deviation

 

Adjust [∗∗∗]

 

 

 

Narrow:1.25kHz

 

 

Adjust

 

LPF:15kHz

 

 

 

 

 

 

 

[Wide]

 

HPF:OFF

 

 

 

 

 

 

 

 

 

PTT:ON

 

 

 

 

 

 

 

[Narrow]

2)

Adj item [DTMF .]

 

 

 

 

 

 

 

 

 

Adjust [∗∗∗]

 

 

 

 

 

 

 

 

 

PTT:ON

 

 

 

 

 

 

16.TONE

1)

Adj item [TONE]

 

 

 

Wide:3.0kHz

±0.1kHz

 

Deviation

 

Adjust [∗∗∗]

 

 

 

Narrow:1.5kHz

 

 

Adjust

 

LPF:15kHz

 

 

 

 

 

 

 

[Wide]

 

HPF:OFF

 

 

 

 

 

 

 

 

 

PTT:ON

 

 

 

 

 

 

 

[Narrow]

2)

Adj item [TONE .]

 

 

 

 

 

 

 

 

 

Adjust [∗∗∗]

 

 

 

 

 

 

 

 

 

PTT:ON

 

 

 

 

 

 

17.BATT

1)

Adj item [BATT]

Power meter

ANT

Encoder

After pressing the

BATT terminal

 

Detection

 

Adjust [∗∗∗]

DVM

BATT

knob

PTT switch, confirm

voltage:5.9V

 

Writing

 

PTT:ON

 

terminal

 

that one predeter-

 

 

 

 

 

 

 

 

mined numeric in the

 

 

 

 

 

 

 

 

range of 1 to 256

 

 

 

 

 

 

 

 

appears, then press

 

 

 

 

 

 

 

 

the [2] key. That

 

 

 

 

 

 

 

 

number will be

 

 

 

 

 

 

 

 

stored in memory.

 

18.BATT

[Panel Test Mode]

 

 

 

Check

No blinking of LED

 

Detection

1)

CH-Sig:1-1

 

 

 

 

 

 

 

Check

 

BATT terminal voltage:6.5V

 

 

 

 

 

 

 

 

 

PTT:ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2)

BATT terminal voltage:5.7V

 

 

 

 

 

Blinking of LED

 

 

 

PTT:ON

 

 

 

 

 

 

38

Page 38
Image 38
Kenwood TK-270G service manual TK-260G/270G, Adjustment, 14.DQT