Kenwood TK-7189 Service Manual page 26

TK-7180/7189/7180H/8180/8189/8180H
Item Condition
• Wide 3) Adj item : [w DEV]
Adjust : [✳✳✳]
PTT : ON
12. MIC [Panel test mode]
sensitivity 1) CH-Sig : 1-1
check AG : 1kHz/5mV at MIC terminal AF VTVM
(Wide only) PTT : ON
13. QT deviation 1) Adj item : [n QT]
adjust Adjust : [✳✳✳]
Deviation meter filter
LPF : 3kHz
HPF : OFF
• Narrow 2) Adj item : [nL QT] →
[nC QT] → [nH QT]
Adjust : [✳✳✳]
PTT : ON
• Wide 3) Adj item : [w QT]
Adjust : [✳✳✳]
PTT : ON
14. DQT 1) Adj item : [n DQT]
deviation Adjust : [✳✳✳]
adjust Deviation meter filter
LPF : 3kHz
HPF : OFF
• Narrow 2) Adj item : [nL DQT] →
[nC DQT] → [nH DQT]
Adjust : [✳✳✳]
PTT : ON
• Wide 3) Adj item : [w DQT]
Adjust : [✳✳✳]
PTT : ON
15. DTMF 1) Adj item : [n DTMF]
deviation Adjust : [✳✳✳]
adjust Deviation meter filter
• Narrow LPF : 15kHz
HPF : OFF
PTT : ON
• Wide 2) Adj item : [w DTMF]
Adjust : [✳✳✳]
PTT : ON
16. MSK 1) Adj item : [n MSK]
deviation Adjust : [✳✳]
adjust Deviation meter filter
• Narrow LPF : 15kHz
HPF : OFF
PTT : ON
• Wide 2) Adj item : [w MSK]
Adjust : [✳✳]
PTT : ON
26
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power meter Rear ANT Front
panel panel
Deviation Front Modular
meter panel MIC jack
Oscilloscope
AG
Front
panel
Adjustment
Parts Method
[ ],[ ] 4.20kHz ± 0.10kHz
(According to the
larger +, –)
Check 2.5~3.5kHz
[ ],[ ] 0.35kHz ± 0.05kHz
0.75kHz ± 0.10kHz
0.35kHz ± 0.05kHz
0.75kHz ± 0.10kHz
1.5kHz ± 0.1kHz
3.0kHz ± 0.1kHz
1.5kHz ± 0.1kHz
3.0kHz ± 0.1kHz
Specifications/Remarks