Kenwood TK-885 Service Manual

Also see for TK-885: Instruction manual Service manual

Contents

37ADJUSTMENTMeasurementTest-equipment Unit TerminalAdjustmentUnit Parts Method Specifications/RemarksConditionItemTK-8857. QT check 1) Set test mode SSG Rear ANT Check Squelch must be opened.CH : CH1 - Sig5 panelSSG freq’ : 455.050MHz AF VTVM ACCSSG MOD Distortion (EXT.SP)INT : 1kHz meterEXT : 151.4Hz OscilloscopeSSG system MOD DEV AG: ±1.85kHzSSG output : 12dB SINAD level2) CH : CH1 - Sig4 Squelch must be closed.CH1 - Sig6CH1 - Sig7MeasurementTest-equipment Unit TerminalAdjustmentUnit Parts Method Specifications/RemarksConditionItem1. Frequency 1) Set test mode Power meter Rear ANT Check 455.100MHz±100HzSelect “FREQ” in tuning mode. F. counter panelPTT : ON2. Power 1) Maximum power TX-RX VR1 26.0W ± 0.5Woutput Set test mode (A/2)Select “HPOW” in tuning mode.“H HPOW 256”PTT : ON3. High power 1) Set test mode 25.0W ± 1.0WSelect “HPOW” in tuning mode.“L HPOW”PTT : ON2) “L2 HPOW”PTT : ON3) “C HPOW”PTT : ON4) “H2 HPOW”PTT : ON5) “H HPOW”PTT : ON4. Low power 1) Set test mode Power meter 5.0W ± 0.5WSelect “LPOW” in tuning mode.“L LPOW”PTT : ON2) “L2 LPOW”PTT : ON3) “C LPOW”PTT : ON4) “H2 LPOW”PTT : ON5) “H LPOW”PTT : ONTransmitter Section