Receiver section, Tk-8180, Adjustment – Kenwood TK-8180 User Manual

Page 43

Advertising
background image

TK-8180

43

Item

Condition

Measurement

Adjustment

Specifications/Remarks

Test-

equipment

Unit

Terminal

Parts

Unit

Method

ADJUSTMENT

1. Sensitivity

1) Adj item : [SENS1]

SSG

Rear

ANT

Front

[ ],[ ] Enter the following

Note : After replacing the

adjust

Adjust : [

✳✳✳]

panel

panel

adjustment values

EEPROM (IC401) aline

2) Adj item : [L SENS1]

AF VTVM

EXT. SP

to the transceiver

sensitivity.

[L’ SENS1]

→ [C SENS1] → Oscilloscope

by pressing [ ] and

[H’ SENS1]

→ [H SENS1]

[ ] keys.

Adjust : [

✳✳✳]

[L SENS1] : 70
[L’ SENS1] : 90
[C SENS1] : 115
[H’ SENS1] : 138
[H SENS1] : 164
After setting the
adjustment value,
press [B] key.
The adjustment
value will be stored
in memory.

2. Sensitivity

[Panel test mode]

Check

12dB SINAD or more

check

1) CH-Sig : 1-1

SSG output
Wide 5k : –116dBm (0.35

µV)

(MOD : 1kHz/

±3kHz)

Narrow : –116dBm (0.35

µV)

(MOD : 1kHz/

±1.5kHz)

3. Squelch

1) Adj item : [n SQL]

After input signal

After adjusting SQL, check

(Preset)

Adjust : [

✳✳✳]

from SSG, press [B]

SQL open/close.

adjust

SSG output : 12dB SINAD level

key. That numeric

SSG 12dB SINAD level + 4dB

• Narrow

(MOD : 1kHz/

±1.5kHz)

will be stored in

: Open

memory.

SSG 12dB SINAD level – 6dB

2) Adj item : [nL SQL]

: Close

[nC SQL]

→ [nH SQL]

[nC SQL] MOD 1kHz/

±1.5kHz

Adjust : [

✳✳✳]

[sC SQL] MOD 1kHz/

±2.4kHz

[wC SQL] MOD 1kHz/

±3.0kHz

• Wide 4k

3) Adj item : [s SQL]

Adjust : [

✳✳✳]

SSG output : 12dB SINAD level

(MOD : 1kHz/

±2.4kHz)

4) Adj item : [sL SQL]

[sC SQL]

→ [sH SQL]

Adjust : [

✳✳✳]

• Wide 5k

5) Adj item : [w SQL]

Adjust : [

✳✳✳]

SSG output : 12dB SINAD level

(MOD : 1kHz/

±3.0kHz)

6) Adj item : [wL SQL]

[wC SQL]

→ [wH SQL]

Adjust : [

✳✳✳]

Receiver Section (K market model skips adjustment of Wide 4k)

Advertising