Kenwood TK-7185 Service Manual Addendum page 21

Item Condition
10. DQT 1) Adj item: [n BAL]
balance Adjust: [✳✳✳]
adjust Deviation meter fi lter
LPF: 3kHz
HPF: OFF
• Narrow 2) Adj item: [nL BAL] →
[nC BAL] → [nH BAL]
Adjust: [✳✳✳]
PTT: ON
• Wide 3) Adj item: [w BAL]
Adjust: [✳✳✳]
PTT: ON
11. Max DEV 1) Adj item: [n DEV]
adjust Adjust: [✳✳✳]
AG: 1kHz/50mV at MIC terminal
Deviation meter fi lter
LPF: 15kHz
HPF: OFF
• Narrow 2) Adj item: [nL DEV] →
[nC DEV] → [nH DEV]
Adjust: [✳✳✳]
PTT: ON
• 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
(Wide only) PTT: ON
13. QT 1) Adj item: [n QT]
deviation Adjust: [✳✳✳]
adjust Deviation meter fi lter
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 fi lter
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
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power Rear ANT Front
meter panel panel
Deviation Front Modular
meter panel MIC jack
Oscilloscope
AG
AF VTVM
Front
panel
TK-7185
Adjustment
Parts Method
[ ],[ ] Make the demodu-
lation waves into
square waves.
2.10kHz ±0.05kHz
(According to the
larger +, –)
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
Specifi cations / Remarks
21