Icom IC-F4261DT Service Manual

Contents

Icom IC-F4261DT Service Manual Manual pdf 54 page image

5 - 1SECTION 5. ADJUSTMENT PROCEDURE5-1 PREPARATION▄ REQUIRED TEST EQUIPMENTSEQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGEAdjustment software CS-F3160/5060 ADJCS-F3160/5060 ADJ (dPMR) (for [DPM-01]) JIG cable Modifi ed OPC-1862 CLONING CABLE(See the illustration on page 5-2)FM deviation meter Frequency rangeMeasuring range: DC–600 MHz: 0 to ±10 kHz Attenuator Power attenuationCapacity: 30 or 40 dB: 10 WFrequency counterFrequency rangeFrequency accuracySensitivity: 0.1–600 MHz: ±1 ppm or better: 100 mV or betterStandard signalgenerator (SSG)Frequency rangeOutput level: 0.1–600 MHz: 0.1 μV to 32 mV(–127 to –17 dBm)RF power meterMeasuring rangeFrequency rangeImpedanceSWR: 1–10 W: 100–300 MHz: 50 Ω: Better than 1.2 : 1Oscilloscope Frequency rangMeasuring range: DC–20 MHz: 0.01–20 VExternal speaker Input impedanceCapacity: 8 Ω: 1 W or more¤ CONNECTIONJIG CABLEPCCAUTION: Attach the [SPMIC] jack snugly, but donot overtighten.An overtightened jack willdamage the connectorpins in the transceiver.FMdeviation meter Oscilloscopeto the antenna connectorAttenuator30 dB or 40 dBRF power meter0.1–10 W/50 ΩFrequencycounterStandard signal generator0.1 μV to 32 mV(–127 dBm to –17 dBm)CAUTION!DO NOT transmit whilethe SSG is connected tothe antenna connector.