Kenwood TK-7180 Service Manual Addendum page 21

Item Condition
5. Squelch 1) Adj item : [n SQLT]
(Tight) Adjust : [✳✳✳]
adjust SSG output
• Narrow : 12dB SINAD+5dB level
(MOD : 1kHz/± 1.5kHz)
2) Adj item : [nL SQLT] →
[nC SQLT] → [nH SQLT]
Adjust : [✳✳✳]
• Wide 3) Adj item : [w SQLT]
Adjust : [✳✳✳]
SSG output
: 12dB SINAD+5dB level
(MOD : 1kHz/± 3.0kHz)
4) Adj item : [wL SQLT] →
[wC SQLT] → [wH SQLT]
Adjust : [✳✳✳]
6. High RSSI 1) Adj item : [n HRSSI]
adjust Adjust : [✳✳✳]
• Narrow SSG output : –70dBm
(MOD : 1kHz/± 1.5kHz)
2) Adj item : [nL HRSSI] →
[nC HRSSI] → [nH HRSSI]
Adjust : [✳✳✳]
• Wide 3) Adj item : [w HRSSI]
Adjust : [✳✳✳]
SSG output : –70dBm
(MOD : 1kHz/± 3.0kHz)
4) Adj item : [wL HRSSI] →
[wC HRSSI] → [wH HRSSI]
Adjust : [✳✳✳]
TK-7180/7189 Adjustment Points
ADJUSTMENT
Measurement
Test-
Unit
equipment
SSG Rear
panel
AF VTVM
Oscilloscope
TX-RX UNIT (B/3)
Component side view
CV
TK-7180/7189/8180/8189
Adjustment
Terminal Unit Parts
ANT After input signal
from SSG, press [B] SQL open/close.
EXT. SP key. That numeric
will be stored in
memory.
After input signal
from SSG, press [B] performance may occur if any
key. That numeric
will be stored in
memory.
ANT
TC301
CV
Specifications/Remarks
Method
After adjusting SQL, check
SSG 12dB SINAD level +10dB
: Open
SSG 12dB SINAD level
: Close
[nC SQLT] MOD 1kHz/± 1.5kHz
[wC SQLT] MOD 1kHz/± 3.0kHz
The following erroneous
irregular RSSI adjustment,
such as pressing the [B] key
assigned for determination
when it is the ANT OPEN
state, is performed.
• The antenna bar ( ) cannot
appear correctly.
• Scan does not stop.
TX-RX UNIT (B/3)
Foil side view
TC302
21