Kenwood TKR-851 Service Manual

Also see for TKR-851: Function reference Programming reference Modification Information Brochure & specs Instruction manual

TKR-85142Item ConditionMeasurement AdjustmentSpecifications/RemarksTest-equipment Unit Terminal PartsUnit MethodADJUSTMENT(Wide 4kHz) 2) CH : 2 (Wide 4kHz) SSG Rear RX ANT PC adj. ± 20mVSSG output : –53dBm/501μV 400mVSSG MOD : 1kHz DVM CONTROLSSG DEV : 2.4kHz I/O jackRA (pin 11)(Narrow) 3) CH : 2 (Narrow) 4.7kΩ loadSSG output : –53dBm/501μVSSG MOD : 1kHzSSG DEV : 1.5kHz20. Maximum 1) Connect AG to the MIC terminal. MOD ANA Rear TX OUT PC adj. ± 0.1kHzdeviation Low CH (TX VCO low) or 4.1kHz(Wide) Center CH (VCO center) DeviationHigh CH (TX VCO high) meterDeviation meter filter OscilloscopeHPF : OFFLPF : 15kHz AG Front MICDe-emphasis : OFF AF VTVMAG : 1kHz/50mV (Terminal load)Transmission(Wide 4kHz) 2) Low CH (TX VCO low) PC adj. ± 0.1kHzCenter CH (VCO center) 3.4kHzHigh CH (TX VCO high)Transmission(Narrow) 3) Low CH (TX VCO low) PC adj. ± 0.1kHzCenter CH (VCO center) 2.05kHzHigh CH (TX VCO high)TransmissionNote : After adjustment of the “Max. Deviation”, be sure to check the “DQT balance”.21. DQT 1) CH : 2 MOD ANA Rear TX OUT PC adj. Oscilloscope DC rangebalance Deviation meter filter or Make the de- flat “A” part(Wide) HPF : OFF Deviation modulated wavesLPF : 3kHz meter into square waves.De-emphasis : OFF OscilloscopeTransmission(Wide 4kHz) 2) CH : 2Transmission(Narrow) 3) CH : 2Transmission22. QT 1) CH : 2 MOD ANA Rear TX ANT PC adj. ± 0.05kHzdeviation Deviation meter filter or 0.75kHz(Wide) HPF : OFF DeviationLPF : 3kHz meterDe-emphasis : OFF OscilloscopeDetector : p-p/2Transmission(Wide 4kHz) 2) CH : 2 PC adj. ± 0.05kHzTransmission 0.60kHz(Narrow) 3) CH : 2 PC adj. ± 0.05kHzTransmission 0.35kHzAA