Icom IC-E91 Service Manual
Also see for IC-E91: Instruction manualInstruction manual
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6-2 TRANSMITTER ADJUSTMENT• Set the specified value using [DIAL], and push [BAND] to store the set value. Then push [2] to move to the next adjustment item.NOTE: “REFERENCE FREQUENCY” should be adjusted before “FM DEVIATION” and “RXBPF.” Otherwise, these adjustmentswill not be adjusted properly.ADJUSTMENT ITEM ADJUSTMENT CONDITION VALUEREFERENCEFREQUENCY[Fr] 1 • Connect an RF power meter to the antenna connector.• Loosely couple a frequency counter to the antenna connector.• Transmitting440.000 MHzTX POWERIDLING 5.0 V(VHF)[id] 1 • Power supply voltage : 5.0 V• Adjustment value of : 00• Connect an RF power meter to the antenna connector.• Transmitting 10 mW(UHF) 2 • TransmittingFINAL 5.0V(VHF)[Po] 1 • Transmitting0.1 W(UHF) 2 • TransmittingTX POWERIDLING 7.4V[Id] (VHF)1 • Power supply voltage : 7.4 V• Adjustment value of : 00• Transmitting [HIGH]: 5.0 W[LOW]: 40–100 mW(UHF) 2 • TransmittingNOTE: Take notes of this adjustment value.(This value is used as reference for “TX POWER IDLING 13.5V” adjustment)FINAL 7.4V[Po] (VHF)1 • Transmitting[HIGH]: 5 W[LOW]: 0.5 W(UHF) 2 • TransmittingTX POWERIDLING 13.5V[Id] (VHF)1 • Power supply voltage : 13.5 V• Adjustment value of : 00• Transmitting[HIGH]:• Adjustment value: 58or• TX pwr.: 3.0–4.0 W(1)[LOW]: 40–100 mW(UHF) 2 • Transmitting [HIGH]• Adjustment value: 58or• TX power: 3.0–4.0 W[LOW]:Adjustment value: (2)FINAL 13.5V[Po] (VHF)1 • Transmitting[HIGH]: 4.6–5.2 W[LOW]: 0.4–0.6 W(UHF) 2 • Transmitting6 - 3(1); Adjustment value for the case If the output power exceeds 4.0 W.(2); Set to the value in which 3 is subtracted from the [Id] value set by “TX POWER IDLING 7.4 V (UHF)/[LOW].“ |
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