Kenwood TK-8180 User Manual

Page of 85
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)