Icom IC-F2721 Service Manual
Also see for IC-F2710: Operating guideInstruction manualInstruction manualService manual
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5 - 55-3 SOFT WARE ADJUSTMENTSelect an operation using [↑] / [↓] keys, then set specifi ed value using [←] / [→] keys on the connected computer keyboard.ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VALUEUNIT LOCATIONPLL LOCKVOLTAGE[LV (RX LVA1)][LV (RX LVA2)][LV (TX LVA)]1 • Operating CH. : CH 1• Preset LV(RX1) : 34 [0.67 V]• ReceivingPCscreenCheck the "LVIN" item on theCS-F70/F1700 ADJ's screen.0.67 V2 • Operating CH. : CH 8• Preset LV(RX2) : 34 [0.67 V]• Receiving0.67 V3 • Operating CH. : CH 1• Preset LV(TX) : 51 [1.00 V] [L]34 [0.67 V] [H]• Transmitting1.00 V [L]0.67 V [H]CONVENIENT:The PLL lock voltage can be adjustment automatically.Set the cursor to "RX LVA"/"TX LVA" and then push [ENTER] key.REFERENCEFREQUENCY[REF]1 • Operating CH. : CH 12• Connect an RF power meter or 50 Ωdummy load to the antenna connector.• TransmittingRearpanelLoosely couple a frequencycounter to the antenna connec-tor.470.0000 MHz [L]520.0000 MHz [H]DSPFREQUENCY[Dig REF](IC-F2721D/F2821D only)1 • Operating CH. : CH 14• Connect an RF power meter or 50 Ωdummy load to the antenna connector.• TransmittingMAINunitConnect a frequency counter toCP19.12.288000 MHzBASE BANDFREQUENCY[Dig DA](IC-F2721D/F2821D only)1 • Operating CH. : CH 14• Preset Dig Mode : 13• Connect an RF power meter or 50 Ωdummy load to the antenna connector.• TransmittingRearpanelLoosely couple a frequencycounter to the antenna connec-tor.470.0000 MHz [L]520.0000 MHz [H]CP19: DSP frequencycheck point• MAIN UNIT |
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