Toshiba FT-8901 Service Manual

Also see for FT-8901: Owner's manual

— 4 —Base Main PCBRT301RT3CT1J1 TEL LINE JackJ2 DC IN 9V JackRF Test PointBase RF PCBAlignment Point Location on Base Main PCB and Base RF PCBALIGNMENT PROCEDUREBase UnitTransmitter SectionConnectionsPresetPress and hold the “ANSWER” key about 5.0 seconds while turning the 7. SEG LED shows “8” .PowerMeterRFTest Point BASE UnitJ2DC IN9V Jack1kHz -15dBmAF GEN.AC 120V60HzFrequencyCounterDeviationMeterRFTest PointJ1TEL LineJackACAdapterAlignment Procedurestep123AdjustmentRT301(TX Power)CT1(TX Frequency)RT3(TX Modulation)RemarksConnect the Power Meter to the RF test point on the Base MAIN PCB.Adjust RT301 for a -6.0dBm reading on the Power Meter.Connect the Frequency Counter to the RF test point on the Base MAINPCB. Adjust CT1 to make sure that the frequency is 926.897468 MHz.Press the “SKIP / FF” key to enter the TEST MODE “9”. Connect the AFGenerator to the TEL Line Jack on the Base Main PCB. Make sure thatthe output is 1 kHz -15dBm from the AF Generator.Connect the Deviation Meter to the RF test point on the Base MAIN PCB.Adjust RT3 to indicate ±8 kHz Dev.