Kenwood TK-3302 Service Manual Supplement

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Contents

TK-330223ADJUSTMENTItem ConditionMeasurement AdjustmentSpecifications / RemarksTest-equipment Unit Terminal Unit Parts MethodK3 1) Center frequencySpectrum analyzer settingCenter-f: 415MHzSpan: 200MHzRBW: 30kHzVBW: 30kHzATT: 0dB2) High-edge frequencySpectrum analyzer settingCenter-f: 430MHz3) Low-edge frequencySpectrum analyzer settingCenter-f: 400MHzSSGSpectrumanalyzerTX-RXANTBPFFPU Adjust the waveformas shown to the Fig.4~6.2. Sensitivity[Wide]1) TEST CH: Low, Center, High(3 points)SSG otuput: –117dBm (0.3μV)SSG MOD: 3.0kHzSSGDVMOscilloscopeAF VTVMANTSP/MICconnectorCheck 12dB SINAD or more[Narrow] 2) TEST CH: CenterSSG otuput: –115dBm (0.4μV)SSG MOD: 1.5kHz3. SquelchOpen[Wide]1) TEST CH: Center, Low, High(3 points)SSG otuput: –123dBm (0.16μV)SSG MOD: 3.0kHzFPU Write[Narrow] 2) TEST CH: CenterSSG otuput: –122dBm (0.18μV)SSG MOD: 1.5kHz4. SquelchTight[Wide]1) TEST CH: Center, Low, High(3 points)SSG otuput: –117dBm (0.3μV)SSG MOD: 3.0kHz[Narrow] 2) TEST CH:CenterSSG otuput: –116dBm (0.35μV)SSG MOD: 1.5kHz5. BatteryWarningLevel1) BATT terminal voltage: 5.9V SSGDVM TX-RXANTBATTterminalWrite BATT terminal voltage: 5.9VAdjustment Points■ Component side viewBATT+LVANTBPFBPF: BPF Wave AdjustLV (CV): VCO lock voltageBATT+: Battery Warning Level■ Foil side viewTC2 TC1S1PTT S2SIDE1 S3SIDE2J301EXT. SP/EXT. MICVR1TC1 : VCO lock voltage (RX)TC2 : VCO lock voltage (TX)VR1 : Frequency adjustment