Kenwood TK-7185 Service Manual Addendum

Also see for TK-7185: Instruction manual Instruction manual

Contents

TK-718521ADJUSTMENTItem ConditionMeasurement AdjustmentSpecifications / RemarksTest-equipment Unit Terminal Unit Parts Method10. DQTbalanceadjust• Narrow1) Adj item: [n BAL]Adjust: [✳✳✳]Deviation meter filterLPF: 3kHzHPF: OFF2) Adj item: [nL BAL] →[nC BAL] → [nH BAL]Adjust: [✳✳✳]PTT: ONPowermeterDeviationmeterOscilloscopeAGAF VTVMRearpanelFrontpanelANTModularMIC jackFrontpanel[ ],[ ] Make the demodu-lation waves intosquare waves.• Wide 3) Adj item: [w BAL]Adjust: [✳✳✳]PTT: ON11. Max DEVadjust• Narrow1) Adj item: [n DEV]Adjust: [✳✳✳]AG: 1kHz/50mV at MIC terminalDeviation meter filterLPF: 15kHzHPF: OFF2) Adj item: [nL DEV] →[nC DEV] → [nH DEV]Adjust: [✳✳✳]PTT: ON2.10kHz(According to thelarger +, –)±0.05kHz• Wide 3) Adj item: [w DEV]Adjust: [✳✳✳]PTT: ON4.20kHz(According to thelarger +, –)±0.10kHz12. MICsensitivitycheck(Wide only)[Panel test mode]1) CH-Sig: 1-1AG: 1kHz/5mV at MIC terminalPTT: ONCheck 2.5~3.5kHz13. QTdeviationadjust• Narrow1) Adj item: [n QT]Adjust: [✳✳✳]Deviation meter filterLPF: 3kHzHPF: OFF2) Adj item: [nL QT] →[nC QT] → [nH QT]Adjust: [✳✳✳]PTT: ONFrontpanel[ ],[ ] 0.35kHz ±0.05kHz• Wide 3) Adj item: [w QT]Adjust: [✳✳✳]PTT: ON0.75kHz ±0.10kHz14. DQTdeviationadjust• Narrow1) Adj item: [n DQT]Adjust: [✳✳✳]Deviation meter filterLPF: 3kHzHPF: OFF2) Adj item: [nL DQT] →[nC DQT] → [nH DQT]Adjust: [✳✳✳]PTT: ON0.35kHz ±0.05kHz• Wide 3) Adj item: [w DQT]Adjust: [✳✳✳]PTT: ON0.75kHz ±0.10kHz