Kenwood TK-885 Service Manual

Also see for TK-885: Instruction manual Service manual

Contents

ADJUSTMENTMeasurementTest-equipment Unit TerminalAdjustmentUnit Parts Method Specifications/RemarksConditionItem38TK-8855. Power check 1) Set test mode Power meter ANT Check 25W±1W, 8A or lessCH : CH1 - Sig1CH2 - Sig1 Ammeter DC INCH3 - Sig1PTT : ON6. Modulation 1) Set test mode Power meter Rear ANT Make the de-balance MIC input : OFF Deviation panel modulationSelect “BAL” in tuning mode. meter waveform near.“L BAL” OscilloscopeDeviation meter filterLPF : 15kHz AF VTVM Front MICHPF : OFF AG panelDe-emphasis : OFF2) “C BAL”PTT : ON3) “H BAL”PTT : ON7. Maximum 1) Set test mode 2.05kHz +0Hz, –50Hzdeviation Connect AG to the MIC (According to theterminal. larger +, –)Select “MAX” in tuning mode.“L MAX”AG : 1kHz/40mVDeviation meter filterLPF : 15kHzHPF : OFFDe-emphasis : OFFPTT : ON2) “C MAX”PTT : ON3) “H MAX”PTT : ON8. MIC 1) Set test mode Check ± 1.5kHz±0.05kHzseisitivity CH : CH1 - Sig1check AG : 1kHz/4mVPTT : ON9. QT deviation 1) Set test mode 0.35kHz ± 50HzSelect “QT” in tuning mode.“L QT”Deviation meter filterLPF : 3kHzHPF : OFFPTT : ON2) “C QT”PTT : ON3) “H QT”PTT : ON