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Tk-7150, Adjustment – Kenwood TK-7150 User Manual

Page 43

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TK-7150

43

Item

Condition

Measurement

Adjustment

Specifications/Remarks

Test-

equipment

Unit

Terminal

Parts

Unit

Method

ADJUSTMENT

18. Single tone 1) CH-SIG : 1-11

Power meter Rear

ANT

Front

Selector ± 3.0kHz

± 0.1kHz

deviation

Select Tone_Dev_

✽✽✽

Deviation

panel

panel

knob

• Wide

in tuning mode

meter

PTT : ON
Deviation meter filter

AF VTVM

Front

MIC

HPF : OFF

AG

panel

LPF : 15kHz

Oscilloscope

De-emphasis : OFF

• Narrow

2) [PF5] key : Set the narrow

± 1.5kHz

± 0.05kHz

n_ _
Tone_Dev_

✽✽✽

in tuning mode

PTT : ON

19. Sensitivity

1) CH-SIG : 2-1

SSG

Rear

ANT

Front

Selector Adjust for maximum SINAD 12dB or more

Select _ _L

panel

panel

knob

SINAD.

Sens_ _ _ _ _

✽✽✽

in tuning mode

AF VTVM

EXT.SP

SSG output : –117dBm/0.32µV Distortion
AF output : 2V/4Ω

meter
Oscilloscope

2) CH-SIG : 4-1

4Ω dummy

Select _CL

load

Sens_ _ _ _ _

✽✽✽

in tuning mode

3) CH-SIG : 1-1

Select _ _C

Sens_ _ _ _ _

✽✽✽

in tuning mode

4) CH-SIG : 5-1

Select _HC

Sens_ _ _ _ _

✽✽✽

in tuning mode

5) CH-SIG : 3-1

Select _ _H

Sens_ _ _ _ _

✽✽✽

in tuning mode

20. Squelch

1) CH-SIG : 1-1

Adjust to point of

Set the value to 255.

tight

Select Sql_T_ _ _ _

✽✽✽

opening squelch

Adjust the SSG output to

• Wide

in tuning mode

“Condition”.

SSG output : Value when 6dB

Then, decrease the value to

is added from the sensitivity

the point of opening the

value of 12dB SINAD.

squelch.

• Narrow

2) [PF5] key : Set the narrow

n_ _
Sql_T_ _ _ _

✽✽✽

in tuning mode